Thanks for sharing your accumulator inspection video! I would like to know how do you wired high voltage fuse (belfuse 0ADA) Does the fuse held in holder or did you just soldered piggytail fuse right on the wirings? Pre-thanks for your reply!
Hello, My name is Pedro Henrique, and I am a member of the Faraday E-Racing Team in Brazil. We are planning to start using the Orion BMS 2 next season and we are studying how the best teams in the world use it. Therefore, I would like to ask a question regarding the positioning of your Orion BMS 2 as shown in the video. In the video, it appears that the BMS is placed inside the accumulator without any visible ventilation, and the thermistor module is positioned on top of it. My question is: does the BMS overheat in this configuration? I ask because after reading the manual and reviewing some comments, it seems that the BMS generates significant heat. This is why we are considering designing our accumulator with the heatsink on the outside. Thank you! Best regards, Pedro Henrique
Hi, sorry the response is so delayed! I hope you reached out to the team and they already got back to you, but if not: Yeah we did. The enepaq temperature sensors are capacitively coupled to the TS, and the Orion thermistor expansion module requires the temperature sensors be GLV referenced. This combination is not compatible. We made fairly extensive modifications to the Orion TEM to make it work: We essentially applied such a large analog filter to the temperature signals that this noise wouldn’t matter (tau measured in minutes not seconds). This technically meets the rules but it probably shouldn't. We ran the endurance very tentatively for this reason. Orion and Enepaq were not helpful at all in addressing our concerns and as far as I can tell they claimed compatibility before doing any testing whatsoever (and many FSAE teams tired this same combination and failed because of this). My suggestion is If you want to use the Orion TEM, use different temperature sensors. (more involved, but a straightforward packaging problem) If you want to use the enepaq temperature sensors, design your own TEM which is TS referenced, as described in the enepaq datasheet. (more elegant, but less foolproof).
@@timstevens135 Hey thanks for replying! We ended up not ordering the enepaq modules because the cost was very high. We are designing a custom battery solution now.
Thanks for sharing your accumulator inspection video!
I would like to know how do you wired high voltage fuse (belfuse 0ADA)
Does the fuse held in holder or did you just soldered piggytail fuse right on the wirings?
Pre-thanks for your reply!
how are are segments held down?
Hello,
My name is Pedro Henrique, and I am a member of the Faraday E-Racing Team in Brazil. We are planning to start using the Orion BMS 2 next season and we are studying how the best teams in the world use it. Therefore, I would like to ask a question regarding the positioning of your Orion BMS 2 as shown in the video.
In the video, it appears that the BMS is placed inside the accumulator without any visible ventilation, and the thermistor module is positioned on top of it. My question is: does the BMS overheat in this configuration? I ask because after reading the manual and reviewing some comments, it seems that the BMS generates significant heat. This is why we are considering designing our accumulator with the heatsink on the outside.
Thank you!
Best regards, Pedro Henrique
where did you guys connected the auxiliary contact of AIR
How to make the acuumulator waterproof or pass the water test?
There is a rule EV5.5.7 which states internal walls of TSAC should be at least 75% of the external walls
How does this accumulator pass that rule???
I love seeing more builds with Enepaq modules :)
Did you have experience with other cells and does it compare overall? Was air cooling working well?
Did you guys have trouble with using the temperature sensors on the enepaq modules with the orion bms?
Hi, sorry the response is so delayed! I hope you reached out to the team and they already got back to you, but if not:
Yeah we did. The enepaq temperature sensors are capacitively coupled to the TS, and the Orion thermistor expansion module requires the temperature sensors be GLV referenced. This combination is not compatible. We made fairly extensive modifications to the Orion TEM to make it work: We essentially applied such a large analog filter to the temperature signals that this noise wouldn’t matter (tau measured in minutes not seconds). This technically meets the rules but it probably shouldn't. We ran the endurance very tentatively for this reason.
Orion and Enepaq were not helpful at all in addressing our concerns and as far as I can tell they claimed compatibility before doing any testing whatsoever (and many FSAE teams tired this same combination and failed because of this).
My suggestion is
If you want to use the Orion TEM, use different temperature sensors. (more involved, but a straightforward packaging problem)
If you want to use the enepaq temperature sensors, design your own TEM which is TS referenced, as described in the enepaq datasheet. (more elegant, but less foolproof).
@@timstevens135 Hey thanks for replying! We ended up not ordering the enepaq modules because the cost was very high. We are designing a custom battery solution now.
This passed tech?
It did.