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Solar Panels: Understanding Series & Parallel Connections (Quick Video)
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- Опубліковано 6 кві 2020
- In Series voltage adds up and Amps stay the same
In Parallel voltage stays the same and Amps add up
It is important to stay withing the wattage, voltage and amperage specifications of your charge controller / solar pump controller. If you don't do this you will damage your solar equipment. This is a very quick video to explain the concept.
After a long time of living in this world, i only understood about series and parallel circuit after i watched this video.
That is good news!
Love the simplicity of this video, an excellent one to come back to once my panels arrive!
Very Clear, Concise video, Thank you. The personal (Benefit) is that my array will be a Maximum of TWO 48V 500W panels. Most of the videos on Series/Parallel connections are for larger arrays. The downside in My case, is that I’m Still uncertain which method is Best, limited at Two panels …. ?
Thanks for the content !
Exactly what I was searching for! Thanks!
Thanks. Saved me 20$. I was thinking it's the other way around and started looking in to 1 to 3 splitter. No need
Thank you for the easy and clear explained information.
Simple and so helpful. Thanks for yur time doing this video.
Great work i really appreciate you work in easy ways
Thank you for a simple explanation!
You're welcome!
Thank you sir for the tutorial.
I love this
Thank you very much Sir
Good explanation 👍👍👍👍
great video thanks
Does a sunon fan dc 12v 0,36w work with a solar panel 12v 1,5w ?
nobady talks about what happens if u connect 2 identical panels in series,than connect this in paralel whit a thrid one,how would that work?
Hi, in layman's language...i have two solar flood lights with two panels but unfortunately one panel died. Can i connect the two lights to the one panel remaining? Thanks, Jay
Which one is better
I'm a beginner how do I connect 2 panels together with 220A battery and which charge controller do I use, I need more light on it please!
I bought a 120watt 18v solar panel I wanted to buy another one but the manufacturer doesn’t recommend connecting in series which is what I want to do why is manufacturing telling me this what can go wrong if I attempt it anyway?
Thank you
Wonderfully
Thanks janab
Thanks mate
Great video!
Hoping someone can help me with this.. I'm thinking of connecting a 140w panel in parallel with 160w one. Since the wattage isn't the same for each panel, will it weaken or damage them?
Larger panel will weaken to smaller panel rating is the quick answer. These two are close together 20w so losses will be minimal.
I have 2 panel but my inverter support 90v. 1 panel give me 42v can i conect 2 panel with my inverter or not
Is there effect in a hybrid solar system if the voltage from electric provider is only 180 volts?
You will need to look in the manufacturer manual to see what is allowed, most inverters will have a range they can work with, outside of the range the inverter won't accept the grid power.
If you add a 3rd panel in series will the volts increase to 60v & over.?
Yes
Solar panel system
I have 325 watt solar panels they are 34 volt panels with a open current voltage of 42 volts and with max current at 9.32 amps. I have a Rover PG 60 amp MPPT solar charge controller with a max open current voltage of 150 volts and I plan to use the 48 volt system which is rated at 3200 watts for a 48 volt system. I have a 48 volt lithium ion battery 50ah with 3.5 kw. So based off the max wattage input I can only install 9 -- 325 watt solar panels which equals to 2925 watts and a open current voltage of 379 volts which is way over the max open current voltage of 150 volts rated for the charge controller, so my question is which pv module wiring configuration do I use to wire my 9 solar panels to my charge controller and also I checked the manual of the controller and there is no pv module configurations, please I need help which wiring configuration do I use to install my solar panels ???????
I am not practically inclined in solar energy installation but with fee materials i have read, i think parallel connection of of panels will suit better. Because with this connection, your VOC remains 42volts but current increases. However, you need to be sure that your charge controller can withstand the current output of your panel.
Please, kindly put me through guys if i am wrong
The charger has a max of 150v so then you need to make 3 strings of 3 panels in parallel. You will use a 3 to 1 combiner - then you stay under the 150v limit (3 x 42) and your amps will times by 3 (28) - which is still under the 60 amps of the charger. But consult a local professional if you are not sure, you don't want to damage your equipment. Component voltages are almost always hard limits that you don't want to go over. If you do the unit will get damaged.
But, which is better??????? I have 5, 100 Watt Solar Panels I want to use to charge my Ecoflow Delta Pro, W/ an extra battery..
OK, connecting in series I get it...but how do I connect the remaining two wires TO the charge controller. Most charge controllers I'm familiar with do not have a receptacle to directly plug in the MC4 connector. Do I cut off the connectors, strip the wire and then attach them to the controller?
Yes, cut them and they will go into the + and - inputs on the solar controller
hi there, I have bought 4 solar panels 340w ,Max Current (Imp) 9.82A
Max Voltage (Vmp) 34.6V
Short Circuit Current (Isc) 10.51A
Open Circuit Voltage (Voc) 42.5V
Weight 18.7KG
Dimension 1664x992x35mm
Cell Technology Monocrystalline but I didn't parallel yet I need help before somethings goes wrong LOL, my system run by 48v what I must to do? do I need to do all panels + and - to parallel ?
consult your inverter / solar charger specs. Everyone is different, and stay within the limits.
Can i connect in parallel without mc4 connectors? My order is on the way but i wanna know if it will work wothout the mc4
in series you use mc4, if you want to put 4 panels in parallel use a 4-1 combiner box
I have 1 glass type 100 watt panel from Renege, and a 200 Wall AllPower flexible panel that I want to link up for our Ecoflow Battery generator.
what way charges the battery fastest and what way is best? thanks
A better way to think about it is to stay within the limits (Volts, Amps & Watts) your solar charger stipulates in the manual.
Hi nice quick tutorial.
1. What size MPPT charge controller must I purchase (assuming *8 x 400W* [ *Voc=49.1V / Isc=10.1A* ] PV panels AND *48V / 120Ah* battery)?
2. How do I connect the panels?
You can use Victron's MPPT calculator and it will show you what will work, temperatures in your will also have an effect. Select 'custom module' and enter your panel's specs in there. www.victronenergy.com/mppt-calculator
@@CedarSolar Thank you - it was not what I needed, but thanks anyway.
@@joatmofa0405 It depends on how you setup the configuration of the panels. Start with system voltage. 48V. Then get a charger that can do 48V and look at the Voc and Amp limits. EG If you making 2 strings of 4 panels you need a controller that can handle 214V Volts (4 x 49.1V) + 7% temperature safety factor 18V (Assuming it doesn't go below -8 degrees Celsius in your area) and 25 / 30Amps (10.1 x 2 rounded up).
Best is to download the specs of 48V MPPTs you are interested in buying and make sure you are within the Voc and Amp limits. That MPPT calculator is super useful and takes temperature into consideration and gives very accurate sizing.
I don't think many MMPTs are available that will handle all of those panels in series. so your options are 2 strings of 4 or 4 strings of 2 panels. And do the calculations for both options.
@@CedarSolar Thanks for that.
I have decided on a 150V / 100A MPPT controller (bit of an overkill, but it can handle future upgrades).
I'm also going for 24 x 400W panels : 3 x series strings of 8 x 400W parallel panels [ 3 x [8 x 10.1A=80.8A] 49.1V = 147.3V]]
TOTAL CONNECTION 147.3V / 80.8A this will work 100% on a 150V / 100A MPPT charge controller!
@@CedarSolar Great, Thank you!
So you've explained how panel wiring can vary in volts and amps. With all components and conditions considered within optimal range, can you explain which wiring, series vs. parallel, is most beneficial. In other words, why do I want more amps as in parallel compared to volts as in series?
Hi Robert, the quick answer is that almost all solar equipment (inverter, charger, batteries etc..} has a voltage, amp and wattage range that it operates in. The panel configuration (series/parallelcombo of the two) will be chosen to work within these limits. You can find these in the manual of the charge controller/MPPT charger.
Which is best, parallel or series for best performance and panel life?
It depends, you want to operate within the specifications of your charger and controller. We will recommend the configuration that is best for each pump.
No difference on panel life. For performance: PWM chargers will most likely lead to parallel connections and MPPTs will allow for more panels in series. So read the solar charger specs and look at the recommendations and limitations of the charger then decide on your panel configuration accordingly.
Which set up charges the batteries faster ?
The panels will be connected depending on your solar charger's specs.
PWM chargers will most likely lead to parallel connections and MPPTs will allow for more panels in series. So read the solar charger specs and look at the recommendations and limitations of the charger then decide on your panel configuration accordingly.
It's the same WP regardless of which set up you would like to do. Only 3 things affect the output of the system which are resistance, temperature, current. Always take into account you will likely lose power no matter how good your set up is.
Good info for sure. I have a (1) 240W, 29.48 Amp , 8.14Imp Solar Panel.... I want the most out of it, to charge a 12volt Battery Bank. It's use to run the LED lights in my Green house. Most of the PWM's are AUTO 12/24, therefore, I assume it will read the panel as being a 24v panel, but I need 12v. I'm kinda confused. Any help is appreciated. THANKS
The output will be determined by the load connected. The controller will the amount of load available
Just suggestions....
Whatever you do....place an "INLINE" 100 amp Fuse in line of the Positive cable before the line is inserted into the Positive of the PWM!
You are right..... but....I'd look up the Brand Name, and Model of the PWM before I'd guess if it is does handle the 12/24v Parallel hook up! IF it is only a 12 volt PMW... it might go smokey, becaus of the added Amps, if it is 12 volt only!
Which way charges a battery the quickest
It doesn't not matter in a significant way. Speed will be approximately the same.
How about you just take the wires and wrap them together does that work?
It will work, but MC4 connectors are industry standard and the safest way to make these connections.
Can you take the same 2 panel's and connect them in series and parallel.?
Yes it depends on your controller specs (voltage, amps & current) how you would connect them. Stay under the max volts/amps/watts of the solar hardware you are plugging into
Can I run 2 100watt solar panels in series to a 12v controller 30a
Yeal. Im wondering the same..i have a 30 amp controller and 3 100 watt panels..
Yes
Cheers fukyu
I dont know much solar panels but if I have two 100 watts solar panels and I get someone to connect them for me in parallel for usage on my solar generator, after connecting them in parallel will I get a total of 200 watts coming from the sun to charge my solar generator? My solar generator has maximum amp of 8.5. If the amps double after connecting in parallel will this damage my solar generator??
Yes you would end up with 200 Watts. That being said if your solar generator has a maximum charging input of 8.5 Amps I would not use a 200 Watts of solar, that would put you over 10 amps. I would not use more than 150 Watts of solar.
What happens when connecting in parallel and one panel produces less voltage than the other?
The one with less voltage will act as load to the other one
And the panel with low voltage will continue to draw current from the system which can limit the output efficiency and also cause damage to the panel.
I guess what you could simply do is to connect another panel to the one with lower voltage in series to give equivalent voltage of the panel with high voltage, and then connect the series connection in parallel with the panel with high voltage. With This, you will have your perfect system efficiency, current increases and voltage remains umchanged
@@hederyat6161 that would be the best way;
Use a blocking diode
What happen if wattage rating solar panel is Same in parallel connection??
? Watts always add up. Its just the Voltage and Amps that changes as per video.
Which is best to charge the solar batteries, series or parallel. I have 4 *450 w connected in parallel, but am getting only 10 amps from panel. Is there a way to test the amperage from panel without connection to the inverter
Please check your charge contrler minimum Voc and your pannel voc . Pannel Voc must grater than contoler minimum Voc, if your charger controler voc is minimum then connect 2 pannel in seeris another 2 in series then connect them in parallel
@@digitaltamiltech8664 not getting you, The inverter can handle Max 90 VOC.
@@diyshankarmax 90V and how many amps? It'll only draw as much as it can use
@@alexgunner1882 .. I have 2 C10 150 ah solar batteries, I think it's 15 amps each ?
@@diyshankar what inverter or solar charger do you have?
How can I connect 3 panels series and parallel
In series is easy just connext MC4 connectors into each other, for parallel get a 3-to-1 parallel kit instead of the 2-to-1 used in the video. For larger strings in parallel use a combiner box with correct DC shutoff and fusing.
Very interesting 0:41
This parallel connection is risky if the output of the panels are not the same. Should include a blocking diode.
Its not same rating i mean
What if the solar panel wasn't equal to each other?
You can do the same calculations, but it's not always advisable to mix different solar panel sizes.
But not working in parella
Amps can be too high
80 w solar panels hai 40w solar panels
You need to make some changes. Check Avasva Solutions if you want to make it right.