I'd expect nothing less. they know those machines because that's there life if they aren't cautious consistently. I'm going into the program soon and I can't wait
A lot has changed since me working on the 250 KW models in the early 90's. Very happy to see, the Midas display and keypad has remained the same. Thanks for showing us around. Thank you.
I’m fascinated by these things! Past a truck carrying one of the blades and fully realized how huge these things are. I enjoyed the information presented in this video!
Extensive refurbishments of the DkIT wind turbine have taken place and included the replacement of the turbine's gearbox. The recent upgrade is expected to secure an additional 10 years of operation for the turbine. The 859 kW turbine has been in operation since October 2005 and powers approximately one third of the campus' total electricity consumption.
and how much did that cost and will the wind turbine ever return the cost in electricity? not even a quarter of it, wind power is just stupid. climate change is bullshit.
I'm always interested in anything mechanical. I knew the principles of wind generation, but seeing how everything is laid out, and the brief description of how it operates.... good stuff. Thanks 👍🇳🇿
I live in northern Oklahoma, USA, and these things are everywhere. Some are very close to the highways and the size can be appreciated, and encountering a blade being transported really brings it home. Thanks for the tour.
First time seeing the internal mechanism of a Wind Turbine. Hard to believe that there is at least 6-tonnes of equipment up there. At 23% service factor, the gearbox and drive should survive. A great explanation of how it operates.
I always wanted to see the inside of one of these wind turbines from the bottom base to the top generator so I can better understand how it works. Thank you for the video upload.
Great tour! I worked for five years mainly servicing Vestas V-39's bought used from Ireland. I was on the commissioning crew and we replaced VERY OLD Win-Dane 500 kw units using adapter plates! Shocked at the hydro station location! Tough as hell replacing the pump inside the tank on any day but that hub-end location would really suck considering it's a two-man repair. Loved seeing how similar our V-39's were to your model. We also had 2 new V-90's! Those were nice! Location is Palm Springs, California where the industry goes back to the eighties.
@stromsky58 Do you really think that nuclear or gas plants never received public money??? And for nuclear plants, our grand grand grand children will still pay for keeping them secure after they stopped producing.
@@michelbaguette3106, wind turbines cannot be considered as a substitute for nuclear power unless cold thermonuclear synthesis comes true. So there is no point to compare them at all as wind power is not capable to continuously produce enough electricity to maintain steady economical growth of a modern country. There is no replacement for nuclear power available so far. All these talks against nuclear power heard here and there are just dirty games of any kind of left-ish political crooks who manipulate the ignorant minds of their electorate . The fact is that the contemporary nuclear power technology is the most cleanest yet natural environment friendly in comparison with the others. The cause of Chernobyl disaster was just a result of isolated anti-human Soviet regime where people's lives were valued about zero.
@@MSM5500 I don't know any country that still uses graphite moderated reactors. Current 3rd gen and beyond tend to be much safer. I wish 4th gen would come online in the USA sooner rather than later.
@@williamgoodwin3325 14 out of the 15 reactors in operation here in the UK are AGR which are graphite-moderated Russia is still using about 10 RBMK-1000 reactors, the same type to Chernobyl. They were modified after the accident.
I'd like to know more about the power electronics. I'm guessing Active front end rectifier to DC bus. Then an inverter on the output that matches the frequency of the grid. I'd like to know how that matching is done.
Loved the dry run of the process of connecting to the safety line, climbing the ladder, and then disconnecting from the safety line. Better to get people familiar with the process while on the ground where you can show them in a safe place! 👍🏼
What a glider! How over engineered can you make it? Was it a "euro design?" I had several grabs for wire and regular rope, one for a single tower! My fav was one that you cocked it horizontal, then placed on cable, then twisted 90 degrees, then clipped a carabineer through the hole! Slick and fast and was used often in dark towers by feel alone.
I question the 3 metres per second (10.8 Kilometres per hour) low operation wind speed?All wind turbines have a "stall" speed and a graph to determine minimum outputs, variations in wind speed and drop offs drastically reduce their output performance, and what about low speed cogging or magnetic lock via the 3 phase axial flux alternator? There are serious issues regarding the impact on the environment regarding suitable wind turbine location. Not so renewable?
I’m in training right now for fiber blade technician for appia wind services this training is worth it and my brother and a friend of ours is doing this knowing all this Information first hand is good to know
@Richard Vaughn It was always my understanding that wind turbines are all asynchronous, generating DC power and using a synchronous inverter to tie to the grid.
@Richard Vaughn There is no such thing as too much power for solid state electronics. Here in the USA we have numerous HVDC transmission lines which are fed at both ends by power converter stations using solid state electronics to convert AC to DC or DC to AC at a typical 500kV. I have always assumed that all wind turbines operate in asynchronous mode, that is, the generator is not synchronized with the AC power grid, but rather uses a synchronous inverter which allows the turbine to generate power at a greater range of wind speeds, an important feature for a generator with an uncontrollable, unreliable power source. If a wind turbine used a synchronous generator connected directly to the AC power grid, at low wind speeds the turbine would become a fan and would use power to create wind. To prevent that the turbine would have to shut down in lower wind speed conditions, and would take some time to get up to speed and synchronized with the grid before it could begin generating again, so its output would be greatly limited compared with an asynchronous generator. Another thing, you say that asynchronous motors (I assume you mean generators) are connected directly to the grid and then operated at just above synchronous speed, but this is not possible. All generators which are directly connected must operate at line frequency with a very nearly perfect phase relationship to the grid. Consider the fact that a generator which connected to the grid while 180° out of phase would present a direct short circuit to the grid. So you can see that any speed variation whatsoever will result in an out of phase condition, which will increase current flow up to the point where circuit protection devices will be activated. This is why grid tied generators are always of the synchronous type. Finally, you speak of generators requiring power to excite the “squirrel cage” but this is also incorrect. A typical alternator uses a stator winding, usually 3-phase, to generate the power and a field winding on the rotor to generate the magnetic field to excite the stator winding. The alternator output is regulated by varying the power to the field winding. Synchronous generators are similar in design, with a field winding on the rotor. An alternator with a permanent magnet rotor cannot be regulated, and thus has a fixed output. Squirrel cages are found in AC motors.
@Richard Vaughn It makes sense that you could reverse the process and make an induction motor generate power, but I have never encountered such a thing in my experience or study. That is why I have no knowledge of it. I will have to check it out. As for the terms synchronous and asynchronous generator, I am using them as I’ve heard them used regarding grid connected generators in general. Synchronous generators have swing momentum which stores a certain amount of energy which can be drawn upon to support the grid in the event of a sudden disturbance. Asynchronous generators have no momentum and merely track the frequency of the power grid, so they cannot help stabilize the grid. A wind turbine might use any kind of generator, but if its output is not mechanically locked to the grid frequency the way most traditional generators are, such that its physical momentum contributes to grid frequency maintenance, then it is an asynchronous generator. Having too large a percentage of asynchronous generators tends to destabilize a grid. I once had a very interesting conversation with an engineer in a hydroelectric power station, where he explained what happens when the section of the grid his station was connected to got isolated from the rest of the regional grid. There are two hydroelectric power stations on that grid, but only one of them has enough momentum to maintain grid frequency, and that is the smaller of the two. Yet it uses a few large generators which act as flywheels, while the larger station uses many small generators which can be more easily slowed. The result is that the bigger station needs the smaller station in order to operate the local grid if it gets isolated, a situation that has happened far too often due to inadequate transmission facilities.
@Richard Vaughn That sounds very inefficient. Cheap to build, but wasteful of resources. With these wind turbines costing upwards of a million US dollars to build, I would expect to see something better than that. Using a 3-phase alternator that can generate useful power at almost any speed, then rectifying it and powering a grid tie inverter would be the best way, I would think.
Is the rotor of the generator just permanent magnets made of rare earths? If it were made with windings and an exciter, how much less efficient would the conversion be? How is the yawing mechanism locked out when people are in the nacelle?
Very good video. What is the coupling type between turbine rotor and gear box (low speed) and coupling type between gear box (high speed) and generator? Thanks.
Thanks so much for sharing this. I really love to see what makes things like this work. As a diesel / gas generator service engineer I understand how this machine works but seeing how it's built is really cool! Thanks again!
Vestas world # 1 wind turbine, i proud that i am also working on Vestas V90 at zorlu pakistan, our great achievement is we repair the pitch cylinder at height in hub change orings
I would have guessed that the gear box and generator of all things would be among the LONGEST lasting components. Those are both VERY mature technologies!
@@DoubleM55 I wanted to see if they would admit they convert to fossil fuels when there was a shortage of wind. There has yet to be a method invented to store the energy generated by either wind or solar other than a sort of strange hydro system that pumps water up a hill which is slowly released to power generators.
@@davebeckley2584 It was explained in the video. The switching equipment in the college can feed some the generator output to the grid when there is more power generated than the college requires. When not enough is being generated then power is drawn from the grid to maintain the college power requrement.
@@johnr6168 What I was trying to point out was the fact that until Elon develops a battery with the capacity to store enough energy to power a city of any size we will remain dependent on fossil fuels to one degree or another. An administration that implements a future plan devoid of fossil fuels before the technology has developed makes this country dependent on other nations that could cut imports on a whim.
I am from Brazil and I was very happy for the beautiful work of Vestas. I am very cofiante of one day if God allows to come to work in this company that marks life. But, it is a pity that there is no targeted training in Brazil. I am a person who loves wind turbines and I am working hard to study in this area. It's been a while since I've been following Vestas's work and I know it's a great technology company and I also know that one day I will have the great opportunity to be part of a brilliant team. I apologize for some mistake in writing, therefore, I do not speak or write well in English ... I am using the translator ... kkkk ... but soon I will learn. A big hug!
Having worked in the electric utility industry and personal curiosity I found this video quite informative. I see wind turbines in the part of the country where I live and was interested in what goes on inside them. Is the generator an induction generator?
So, the tower part is not safe to enter when the the wings are in motion? Is it the vibrations of the operating wind turbine that make it unwise to go inside the structure? The whole thing looks so large from the outside, but very compact & small inside the operations room up top. Very interesting field trip. Thanks.
LOVED THE INFO !! I LOVE THESE THINGS !! I WAS FASCINATED TO HEAR THAT THE BLADES ONLY TURN AT ABOUT 16-29 RPM, (A FACT I HAVE ALWAYS WANTED TO KNOW) AND THE HST IS ONLY SPINNING AT 1600RPM !! WOW. DID I HEAR YOU SAY THAT THIS WAS ONLY A 50kW TURBINE? HMMM. THE BIG ONES ARE 30MW+ AND HAVE BLADES THAT ARE 90 METERS LONG EACH !! AMAZING STUFF.
Well, I had absolutely NO idea that what appears to the untrained as simply a wind turbine would be so mechanically complex with that many different systems! Thanks for sharing.
But still futile overall, and very damaging to landscapes in great numbers. This video just shows one isolated machine of several hundred thousand on the planet already. Wind turbines are a fail because so many are required vs. much denser power sources.
@@falseprogress Do you not understand the point of clean energy? No shit there is going to be more required. It is a electricity producing machine vs a giant coal burning plant etc. They may disrupt the natural look of a landscape but they preserve the health of the landscape by not using natural resources for fuel. It's amazing how uneducated people are about simple things like how our grid gets its energy.
@@falseprogress Please dont be stupid, its so simple not to be. every mechanical system of producing electrical energy uses the same principles. Ie Turbine-Gearbox-Generator. nuclear, same coal, same Gas, same Solar heated water, same Waste furnace, same
Excellent! Very interesting. I wonder what causes the gearbox, and the generator to be the most problematic parts of the system? For example: vibration, metal fatigue, overheating?
Gearbox converts all that power and a small percentage of that power is friction. That small percentage is still a lot of energy. The wear on bearings is much lower. The generator itself has virtually no wear, assuming it is a brushless type, and assuming temperature does not exceed design of insulation.
Where do the auxiliary supplies come from? That is, is the generator self sufficient when running or does it need an off grid supply to keep it functioning?
Great insight into the build just subscribed and it’s a nice compact turbine I also have built a homemade 650 watts wind turbine, a treadmill motor turbine and a little but powerful ametek 30v turbine and built 2 diy solar panels, be careful in high winds one of my first turbines blew up 😕and now have only 2 wonderful turbines working daily 😊it’s very satisfying watching those things working, keep up the good work buddy 👍
Well done! Thank you. Why not have theavy generator on the ground with rotating shaft from turbine to ground? Is there need of an escape line from turbine house to ground? (Saw two men supposedly on a burning turbine cabin withowhere to escape.)
Not an expert, but I think that there isn't much of a reason to have it on the ground apart from stability, which would probably be offset by the friction of the extra shaft.
In 5-6 years the turbine has paid for itself. Yes but then the gearbox breaks and how much does that cost? And then the genny blows. How much is that? Plus the 2 services in the year and a major one every 5. Do these things ever actually pay for themselves and save the college money or cost them with all the breakdowns and servicing costs?
excuse me How much does it cost to build a Wind Turbine Tour? How much electricity can a Wind Turbine Tour produce per day? Are there any conditions when we want to create it somewhere? Thank you
i was doing chain and rigging certifications for 9 1/2 years and got to go up the Vestas 1.5MW and the V90 3MW turbines in Manuatu, New Zealand. got a good pic of me sitting on the roof of the V90 nacelle with the head of the crane they put the blades on with behind me then the crane beside the turbine as well. we had to certify the electric chain hoist up them. amazing view on a good day from the top of them 85 odd meters up. wasn't until after i had been up them i noticed the ladders on those are not bolted to the wall but stuck on with magnets that allow the ladder to move on the wall slightly to stop compression and expansion of the ladder with the movement of the tower
@@MIGASHOORAY when you open the hatch in the floor of the nacelle you have to double lanyard in and open it while standing over the hole looking down about 80 meters. the guy that took my pic on the roof wasn't even wearing a harness
I noticed his statement that the windmill had paid itself off included a government subsidy, but not the cost of a replacement gearbox of the cost of maintenance. His statement of 15-20 yr. windmill blade life is also very inaccurate.
Wright Thinker what conspiracy are blabbing about here? Do you dislike wind power and see it as a black hole for money...? because that’s what nuclear power is and oil and gas, an enormously subsidised system of poisoning and killing the planet. If a gearbox replacement is required I’m assuming the wind turbine will eventually pay that back too...
Sorry if I missed it but, no fire suppression of any kind inside? I see videos of these things in flames all the time. It's actually what brought me to this video.
They usually start to burn, if the pitch can't be controlled. They have a mechanical brake, but if they can't control the pitch the brake can overheat in stormy conditions and set the whole thing on fire(like if you drive with your car with the hand brake half activated). Typically it's a disc brake, similar to disc brakes in vehicles, only much bigger.
@@aland4440 I don't know if it's existing, and he haven't mentioned it, or not. But this turbine is now 15 years old, maybe it don't have a fire suppression. But water alone wouldn't be good, short circuits in the electric system because of the water maybe also cause a fire. A CO2 suppression system would be better.
Great tour Guys. And you can see me house in Cooley from the top 😊 Just a quick note, I didn’t see any provision for fire suppression, what’s the Reg here ?? And only a minor and major maintenance visit per annum, as it’s getting older will it not require more service visits ? Also, if it’s not generating power under 3M/Sec can’t you switch it off until wind speed is up to increase the life of the machine?
I guess if the blades are turning, it looks like it is actually doing something. Which begs the question, when you see a wind farm, how many of those turning turbines are actually generating useful power??
Good man doing the tour. Always appreciate a person who knows his machine well.
Thanks
Really knows what he’s saying! Rarely this days.
Thinking the same thing.
I'd expect nothing less. they know those machines because that's there life if they aren't cautious consistently. I'm going into the program soon and I can't wait
I'm thinking of a way I can collect diffuse energy and make money out of it. gadzooks!
A lot has changed since me working on the 250 KW models in the early 90's. Very happy to see, the Midas display and keypad has remained the same. Thanks for showing us around. Thank you.
Thanks for sharing 👍
I’m fascinated by these things!
Past a truck carrying one of the blades and fully realized how huge these things are. I enjoyed the information presented in this video!
Windmills in the North Atlantic are about 50 percent larger.
My grandpa drove oversized loads including windmill blades
The big ones have blades the size of a soccer field.
Extensive refurbishments of the DkIT wind turbine have taken place and included the replacement of the turbine's gearbox. The recent upgrade is expected to secure an additional 10 years of operation for the turbine. The 859 kW turbine has been in operation since October 2005 and powers approximately one third of the campus' total electricity consumption.
and how much did that cost and will the wind turbine ever return the cost in electricity?
not even a quarter of it, wind power is just stupid.
climate change is bullshit.
@@axeman2638 I guess you missed the part where they said it was 5-8 years to pay for itself.
@@jcc4tube nope none here or elsewhere have that short a pay off. That's just bull pats. Especially if the govt subsidies dry up.
@@axeman2638 are you stupid or what
@@dwh5512 even quicker now the cost of power has more than doubled. Wind turbines are an absolute no brainer
I'm always interested in anything mechanical. I knew the principles of wind generation, but seeing how everything is laid out, and the brief description of how it operates.... good stuff. Thanks 👍🇳🇿
This is a really good video, it is, informative and doesn't waste the time of the viewer. I wish more on youtube was this good!
Love the cleanliness of the design. All very minimalistic.
function first always makes the most sense.
Thank you, no annoying music or fancy effects, just interesting facts.
I live in northern Oklahoma, USA, and these things are everywhere. Some are very close to the highways and the size can be appreciated, and encountering a blade being transported really brings it home. Thanks for the tour.
Thanks for sharing
Same thing over here in Cali, i see em everywhere
I worked on this machine a few weeks back, for being the age it is it's still very clean and well maintained
What model is this ? V80?
@@Parambimathan Vestas V-52. It’s an old NM design.
Wow so much engineering you have all the areas covered nicely done
This is the kind of guy I would want taking care of this machine. Sounds like he's extremely competent.
Always been impressed by these, and seeing one up close is amazing.
Where I am at they're everywhere
This has been my go to video for terrible insomnia
First time seeing the internal mechanism of a Wind Turbine. Hard to believe that there is at least 6-tonnes of equipment up there. At 23% service factor, the gearbox and drive should survive. A great explanation of how it operates.
a great tour by a person who truly understands that equipment ... smart match
Good to hear you found it useful.
Absolutely awesome. Everywhere should have one of these
I always wanted to see the inside of one of these wind turbines from the bottom base to the top generator so I can better understand how it works. Thank you for the video upload.
Thanks for posting, very interesting stuff.
Jason S u u
Glad to hear you found it informative
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Well done tour, guy knows his stuff
Thanks a lot for uploading, currently applying for jobs as a turbine technician so finding out about them as much as possible
Great tour! I worked for five years mainly servicing Vestas V-39's bought used from Ireland. I was on the commissioning crew and we replaced VERY OLD Win-Dane 500 kw units using adapter plates! Shocked at the hydro station location! Tough as hell replacing the pump inside the tank on any day but that hub-end location would really suck considering it's a two-man repair. Loved seeing how similar our V-39's were to your model. We also had 2 new V-90's! Those were nice! Location is Palm Springs, California where the industry goes back to the eighties.
If you don't mind me asking, are you still in the wind industry? And if so, did you move to a supervisor position something to that degree?
What a fantastic tour! Great tour guide!
He seemed proud when he said that the turbine has already paid for itself. He must love his job.
@stromsky58 Do you really think that nuclear or gas plants never received public money???
And for nuclear plants, our grand grand grand children will still pay for keeping them secure after they stopped producing.
@@michelbaguette3106, wind turbines cannot be considered as a substitute for nuclear power unless cold thermonuclear synthesis comes true. So there is no point to compare them at all as wind power is not capable to continuously produce enough electricity to maintain steady economical growth of a modern country. There is no replacement for nuclear power available so far. All these talks against nuclear power heard here and there are just dirty games of any kind of left-ish political crooks who manipulate the ignorant minds of their electorate . The fact is that the contemporary nuclear power technology is the most cleanest yet natural environment friendly in comparison with the others. The cause of Chernobyl disaster was just a result of isolated anti-human Soviet regime where people's lives were valued about zero.
Rat Maiden Clearly he is not the accountant. Wind generators cost more in maintenance than what they produce. Ask the Norwegians.
@@MSM5500 I don't know any country that still uses graphite moderated reactors. Current 3rd gen and beyond tend to be much safer. I wish 4th gen would come online in the USA sooner rather than later.
@@williamgoodwin3325
14 out of the 15 reactors in operation here in the UK are AGR which are graphite-moderated
Russia is still using about 10 RBMK-1000 reactors, the same type to Chernobyl. They were modified after the accident.
Many thanks for the detailed tour... this stuff is always appreciated !!
Cool. Thanks. Watched the whole thing. What are the annual operating / maintenance costs?
The bearings and gearbox will need some oil, all components need inspection, but there are no costs for spark plugs, fuel, exhaust etc
Would like to see an update to see what has changed and improved in 8 years. Still capacity factor of 23%?
after reaching BEP ... electricity should be freeeeeeeee....
Capacity factor depends on the variability of wind speed
I'd like to know more about the power electronics.
I'm guessing Active front end rectifier to DC bus. Then an inverter on the output that matches the frequency of the grid.
I'd like to know how that matching is done.
Really enjoyed the tour, I have always wondered what was inside and how it worked. Thanks
Loved the dry run of the process of connecting to the safety line, climbing the ladder, and then disconnecting from the safety line. Better to get people familiar with the process while on the ground where you can show them in a safe place! 👍🏼
Nah, it's better to do it while they're falling: they'll pay more attention.
What a glider! How over engineered can you make it? Was it a "euro design?" I had several grabs for wire and regular rope, one for a single tower! My fav was one that you cocked it horizontal, then placed on cable, then twisted 90 degrees, then clipped a carabineer through the hole! Slick and fast and was used often in dark towers by feel alone.
Very interesting. But watching this makes my whole body tense!
It was a long ladder climb to the top.
Thanks for the tour, very interesting.
Professional in his field. Very technical guy. 👍👍👍
edit: and the view @11:17 is awesome, I wish I had my dinner at there.
I question the 3 metres per second (10.8 Kilometres per hour) low operation wind speed?All wind turbines have a "stall" speed and a graph to determine minimum outputs, variations in wind speed and drop offs drastically reduce their output performance, and what about low speed cogging or magnetic lock via the 3 phase axial flux alternator? There are serious issues regarding the impact on the environment regarding suitable wind turbine location. Not so renewable?
excellent, many thanks for your video, however where is the braking system? it never mentioned!
Excellent tour! Love the detailed explanation. Cheers mate
EXCELLENT! Thanks for posting this.
Glad you enjoyed it!
I’m in training right now for fiber blade technician for appia wind services this training is worth it and my brother and a friend of ours is doing this knowing all this Information first hand is good to know
How is the generator output voltage synchronized to the grid voltage?
@Richard Vaughn It was always my understanding that wind turbines are all asynchronous, generating DC power and using a synchronous inverter to tie to the grid.
@Richard Vaughn There is no such thing as too much power for solid state electronics. Here in the USA we have numerous HVDC transmission lines which are fed at both ends by power converter stations using solid state electronics to convert AC to DC or DC to AC at a typical 500kV. I have always assumed that all wind turbines operate in asynchronous mode, that is, the generator is not synchronized with the AC power grid, but rather uses a synchronous inverter which allows the turbine to generate power at a greater range of wind speeds, an important feature for a generator with an uncontrollable, unreliable power source. If a wind turbine used a synchronous generator connected directly to the AC power grid, at low wind speeds the turbine would become a fan and would use power to create wind. To prevent that the turbine would have to shut down in lower wind speed conditions, and would take some time to get up to speed and synchronized with the grid before it could begin generating again, so its output would be greatly limited compared with an asynchronous generator.
Another thing, you say that asynchronous motors (I assume you mean generators) are connected directly to the grid and then operated at just above synchronous speed, but this is not possible. All generators which are directly connected must operate at line frequency with a very nearly perfect phase relationship to the grid. Consider the fact that a generator which connected to the grid while 180° out of phase would present a direct short circuit to the grid. So you can see that any speed variation whatsoever will result in an out of phase condition, which will increase current flow up to the point where circuit protection devices will be activated. This is why grid tied generators are always of the synchronous type.
Finally, you speak of generators requiring power to excite the “squirrel cage” but this is also incorrect. A typical alternator uses a stator winding, usually 3-phase, to generate the power and a field winding on the rotor to generate the magnetic field to excite the stator winding. The alternator output is regulated by varying the power to the field winding. Synchronous generators are similar in design, with a field winding on the rotor. An alternator with a permanent magnet rotor cannot be regulated, and thus has a fixed output. Squirrel cages are found in AC motors.
@Richard Vaughn It makes sense that you could reverse the process and make an induction motor generate power, but I have never encountered such a thing in my experience or study. That is why I have no knowledge of it. I will have to check it out.
As for the terms synchronous and asynchronous generator, I am using them as I’ve heard them used regarding grid connected generators in general. Synchronous generators have swing momentum which stores a certain amount of energy which can be drawn upon to support the grid in the event of a sudden disturbance. Asynchronous generators have no momentum and merely track the frequency of the power grid, so they cannot help stabilize the grid. A wind turbine might use any kind of generator, but if its output is not mechanically locked to the grid frequency the way most traditional generators are, such that its physical momentum contributes to grid frequency maintenance, then it is an asynchronous generator. Having too large a percentage of asynchronous generators tends to destabilize a grid. I once had a very interesting conversation with an engineer in a hydroelectric power station, where he explained what happens when the section of the grid his station was connected to got isolated from the rest of the regional grid. There are two hydroelectric power stations on that grid, but only one of them has enough momentum to maintain grid frequency, and that is the smaller of the two. Yet it uses a few large generators which act as flywheels, while the larger station uses many small generators which can be more easily slowed. The result is that the bigger station needs the smaller station in order to operate the local grid if it gets isolated, a situation that has happened far too often due to inadequate transmission facilities.
@Richard Vaughn That sounds very inefficient. Cheap to build, but wasteful of resources. With these wind turbines costing upwards of a million US dollars to build, I would expect to see something better than that. Using a 3-phase alternator that can generate useful power at almost any speed, then rectifying it and powering a grid tie inverter would be the best way, I would think.
Is the rotor of the generator just permanent magnets made of rare earths? If it were made with windings and an exciter, how much less efficient would the conversion be?
How is the yawing mechanism locked out when people are in the nacelle?
Excelente video ! A pesar de que no hablo inglés pude comprender muchas cosas del funcionamiento y el equipo, felicitaciones!
Very good video. What is the coupling type between turbine rotor and gear box (low speed) and coupling type between gear box (high speed) and generator?
Thanks.
Thanks so much for sharing this. I really love to see what makes things like this work. As a diesel / gas generator service engineer I understand how this machine works but seeing how it's built is really cool! Thanks again!
Bravo - a very comprehensive tour.
Glad you enjoyed it!
Wow masahallah will don very nice good job My brother 💝 love from Pakistan 🇵🇰🇵🇰💕🌹💐🏏🏏
Thank you sir for make and offer video safety protection.I am support your video.
Vestas world # 1 wind turbine, i proud that i am also working on Vestas V90 at zorlu pakistan, our great achievement is we repair the pitch cylinder at height in hub change orings
Hey Muhammad, I am in shells at Vestas windsor Making the V120. I think they are both blades for the 2 MW platform or is the V90 1.6?
I love this job technicien repair of ÉOLIENNE
Great job.
Can you demonstrate a video on the lightning protection system of wind turbine.
I would have guessed that the gear box and generator of all things would be among the LONGEST lasting components. Those are both VERY mature technologies!
Not at all, the gear box takes a massive beating.
I'm curious, what is the source of electricity for the lights and other equipment when the turbine isn't spinning due to insufficient wind speed?
Probably city power grid, or backup batteries.
@@DoubleM55 I wanted to see if they would admit they convert to fossil fuels when there was a shortage of wind. There has yet to be a method invented to store the energy generated by either wind or solar other than a sort of strange hydro system that pumps water up a hill which is slowly released to power generators.
@@davebeckley2584 It was explained in the video. The switching equipment in the college can feed some the generator output to the grid when there is more power generated than the college requires. When not enough is being generated then power is drawn from the grid to maintain the college power requrement.
@@johnr6168 What I was trying to point out was the fact that until Elon develops a battery with the capacity to store enough energy to power a city of any size we will remain dependent on fossil fuels to one degree or another. An administration that implements a future plan devoid of fossil fuels before the technology has developed makes this country dependent on other nations that could cut imports on a whim.
My 3 year old boy loves this video so much!
I am from Brazil and I was very happy for the beautiful work of Vestas. I am very cofiante of one day if God allows to come to work in this company that marks life. But, it is a pity that there is no targeted training in Brazil. I am a person who loves wind turbines and I am working hard to study in this area. It's been a while since I've been following Vestas's work and I know it's a great technology company and I also know that one day I will have the great opportunity to be part of a brilliant team.
I apologize for some mistake in writing, therefore, I do not speak or write well in English ... I am using the translator ... kkkk ... but soon I will learn.
A big hug!
Your English is great. I wish you luck.
Having worked in the electric utility industry and personal curiosity I found this video quite informative. I see wind turbines in the part of the country where I live and was interested in what goes on inside them. Is the generator an induction generator?
Excellent! Very well done! Thanks for such an educational video and thanks big time for NOT having background music!!!
Fantastic ! Thanks for sharing. Always wondered about the controls and engineering.
So, the tower part is not safe to enter when the the wings are in motion? Is it the vibrations of the operating wind turbine that make it unwise to go inside the structure?
The whole thing looks so large from the outside, but very compact & small inside the operations room up top.
Very interesting field trip. Thanks.
There are moving structures in there that a person is not shielded from when it's running. Also some very high voltage cables.
LOVED THE INFO !! I LOVE THESE THINGS !! I WAS FASCINATED TO HEAR THAT THE BLADES ONLY TURN AT ABOUT 16-29 RPM, (A FACT I HAVE ALWAYS WANTED TO KNOW) AND THE HST IS ONLY SPINNING AT 1600RPM !! WOW. DID I HEAR YOU SAY THAT THIS WAS ONLY A 50kW TURBINE? HMMM. THE BIG ONES ARE 30MW+ AND HAVE BLADES THAT ARE 90 METERS LONG EACH !! AMAZING STUFF.
From my time at Vestas. Great memories
What a brilliant bit of gear you guys have built. great video 📹 thank you for Sharing Australia 🌏
Well, I had absolutely NO idea that what appears to the untrained as simply a wind turbine would be so mechanically complex with that many different systems! Thanks for sharing.
But still futile overall, and very damaging to landscapes in great numbers. This video just shows one isolated machine of several hundred thousand on the planet already. Wind turbines are a fail because so many are required vs. much denser power sources.
@@falseprogress Do you not understand the point of clean energy? No shit there is going to be more required. It is a electricity producing machine vs a giant coal burning plant etc. They may disrupt the natural look of a landscape but they preserve the health of the landscape by not using natural resources for fuel. It's amazing how uneducated people are about simple things like how our grid gets its energy.
@@falseprogress Please dont be stupid, its so simple not to be.
every mechanical system of producing electrical energy uses the same principles. Ie Turbine-Gearbox-Generator.
nuclear, same
coal, same
Gas, same
Solar heated water, same
Waste furnace, same
Excellent video. Thanks for posting.
I am about to embark on a wind turbine project, where can I get the blades and generators and power cables to install the system in South Africa?
always a huge fan of wind turbines.
Lol. Good pun!
Excellent! Very interesting. I wonder what causes the gearbox, and the generator to be the most problematic parts of the system? For example: vibration, metal fatigue, overheating?
Gearbox converts all that power and a small percentage of that power is friction. That small percentage is still a lot of energy. The wear on bearings is much lower. The generator itself has virtually no wear, assuming it is a brushless type, and assuming temperature does not exceed design of insulation.
Where do the auxiliary supplies come from? That is, is the generator self sufficient when running or does it need an off grid supply to keep it functioning?
I would like to start a career in wind industry (maintenance). What courses you recommend to complete first?
Kind regards.
This man is an asset to his company .
Great info always wondered what it’s all about?
Very informative and excellent video. Keep up the good work 👌💪👍
Would this be before it destroys its blades or gearbox and burn down
Great insight into the build just subscribed and it’s a nice compact turbine I also have built a homemade 650 watts wind turbine, a treadmill motor turbine and a little but powerful ametek 30v turbine and built 2 diy solar panels, be careful in high winds one of my first turbines blew up 😕and now have only 2 wonderful turbines working daily 😊it’s very satisfying watching those things working, keep up the good work buddy 👍
sooo where's the washroom?
Great video. Always wanted to tour one, but they don't do that around my area.
This is just as good!
these machines are the V52 850kw I'm doing maintenance on these machines at Parc Eolien Sant Louis Rhone in France at
This dude is a freaking boss breaking g everything down
Well done! Thank you.
Why not have theavy generator on the ground with rotating shaft from turbine to ground?
Is there need of an escape line from turbine house to ground? (Saw two men supposedly on a burning turbine cabin withowhere to escape.)
Not an expert, but I think that there isn't much of a reason to have it on the ground apart from stability, which would probably be offset by the friction of the extra shaft.
On a project working for Azari. Under Vestas. Love what we do. (I build the lifts)
Come to Sweetwater Texad we have wind turbines everywhere.
Thank You! Very interesting.
Very detailed and informative video, thanks.
What would happen if you backfed the generator? Would it act like a motor and the turbine would turn into a giant fan?
I have an immense phobia of heights. Just looking at this is making me nervous. Anyone who goes up there has my immense respect.
It is quite a long climb using the ladder.
@@WilliamLyons Makes sense. Also the twisting movements.... no. I can’t handle that.
Great video, very informative. Thank you.
Awesome tour. 😉👌🏼
Thanks for sharing. 💯🏆
Great to hear that you found it informative.
I build the v110-v120 blades its cool to see the other parts i never got to build
Very interesting! Thanks for the extensive review
Glad you liked it!
Thanks a lot for the amazing video.
What is the kind of electrical generator being used?
In 5-6 years the turbine has paid for itself. Yes but then the gearbox breaks and how much does that cost? And then the genny blows. How much is that? Plus the 2 services in the year and a major one every 5. Do these things ever actually pay for themselves and save the college money or cost them with all the breakdowns and servicing costs?
excuse me
How much does it cost to build a Wind Turbine Tour?
How much electricity can a Wind Turbine Tour produce per day?
Are there any conditions when we want to create it somewhere?
Thank you
Is it Location of transformer near of generator
Or in bottom
Just how many houses would one turbine power? Good show. Interesting! Informative!
What about larger buildings such as schools? Those are a major power draw, second to industry.
i was doing chain and rigging certifications for 9 1/2 years and got to go up the Vestas 1.5MW and the V90 3MW turbines in Manuatu, New Zealand. got a good pic of me sitting on the roof of the V90 nacelle with the head of the crane they put the blades on with behind me then the crane beside the turbine as well. we had to certify the electric chain hoist up them. amazing view on a good day from the top of them 85 odd meters up. wasn't until after i had been up them i noticed the ladders on those are not bolted to the wall but stuck on with magnets that allow the ladder to move on the wall slightly to stop compression and expansion of the ladder with the movement of the tower
Weetbix1969 if you suffer from vertigo you are fckd
@@MIGASHOORAY when you open the hatch in the floor of the nacelle you have to double lanyard in and open it while standing over the hole looking down about 80 meters. the guy that took my pic on the roof wasn't even wearing a harness
Thank you so much for the insight.
Glad it was helpful!
The first windmill I built was vestes v-15 in Tehachapi victory garden. Zond
No mention of the inverter?
I noticed his statement that the windmill had paid itself off included a government subsidy, but not the cost of a replacement gearbox of the cost of maintenance. His statement of 15-20 yr. windmill blade life is also very inaccurate.
Wright Thinker what conspiracy are blabbing about here? Do you dislike wind power and see it as a black hole for money...? because that’s what nuclear power is and oil and gas, an enormously subsidised system of poisoning and killing the planet. If a gearbox replacement is required I’m assuming the wind turbine will eventually pay that back too...
shouldn't that isolator switch have a lock out switch on it to make it safer to prevent accidents?
Sorry if I missed it but, no fire suppression of any kind inside? I see videos of these things in flames all the time. It's actually what brought me to this video.
They usually start to burn, if the pitch can't be controlled. They have a mechanical brake, but if they can't control the pitch the brake can overheat in stormy conditions and set the whole thing on fire(like if you drive with your car with the hand brake half activated).
Typically it's a disc brake, similar to disc brakes in vehicles, only much bigger.
@@simonm1447 right. I get it. But what if there was a sprinkler or foam system inside the rotor housing. Like in a regular engine room.
@@aland4440 I don't know if it's existing, and he haven't mentioned it, or not. But this turbine is now 15 years old, maybe it don't have a fire suppression. But water alone wouldn't be good, short circuits in the electric system because of the water maybe also cause a fire. A CO2 suppression system would be better.
@@simonm1447 Yea. I was thinking foam or class C fire extinguishers.
Alan D There’s a C02 fire suppression, not sure about v80,v90 but v112 has that.
Great tour Guys. And you can see me house in Cooley from the top 😊
Just a quick note, I didn’t see any provision for fire suppression, what’s the Reg here ??
And only a minor and major maintenance visit per annum, as it’s getting older will it not require more service visits ?
Also, if it’s not generating power under 3M/Sec can’t you switch it off until wind speed is up to increase the life of the machine?
I guess if the blades are turning, it looks like it is actually doing something. Which begs the question, when you see a wind farm, how many of those turning turbines are actually generating useful power??