Powerwise charger question

BuddyGo · 09-25-2022, 11:23 AM

Can you use a 3mf 400 or so volt cap in place of the 3mf 600volt cap on a 36volt Powerwise 2 charger.
If not why, the incoming volts is nowhere near 600v???

radioman · 09-25-2022, 04:40 PM

Not a good idea. I can't explain why but the manufacturer knows something we don't. A better choice would be a 3 Mfd @ 1000 volts.

BuddyGo · 09-26-2022, 07:10 AM

Thanks Radioman. I agree with you. But it is an interesting question.

BuddyGo · 09-26-2022, 12:53 PM

Maybe one of our resident Gurus can answer it.

Volt_Ampere · 09-26-2022, 03:35 PM

IT is possible that there are higher voltages present even though the input voltage isn't that high. Manufacturers usually don't use caps that are way overspeced for voltage but sometimes they use what's available. But If I had to guess, I would think a 400V cap would be ok.

BuddyGo · 09-26-2022, 07:14 PM

Thanks Volt_Ampere for the opinion. I just hate not understanding something like that. With my limited knowledge in electronics it doesn't seem to add up.
I don't see that kind of voltage happening from 120 or 36 volts.
Anyway, it is what it is.

09-25-2022, 11:23 AM	#1
BuddyGo Getting Wild Join Date: Feb 2009 Location: Madison,Georgia Posts: 78	Powerwise charger question Can you use a 3mf 400 or so volt cap in place of the 3mf 600volt cap on a 36volt Powerwise 2 charger. If not why, the incoming volts is nowhere near 600v???

09-25-2022, 04:40 PM	#2
radioman Gone Wild Join Date: Jan 2014 Location: South Georgia Posts: 1,120	Re: Powerwise charger question Not a good idea. I can't explain why but the manufacturer knows something we don't. A better choice would be a 3 Mfd @ 1000 volts.

09-26-2022, 07:10 AM	#3
BuddyGo Getting Wild Join Date: Feb 2009 Location: Madison,Georgia Posts: 78	Re: Powerwise charger question Thanks Radioman. I agree with you. But it is an interesting question.

09-26-2022, 12:53 PM	#4
BuddyGo Getting Wild Join Date: Feb 2009 Location: Madison,Georgia Posts: 78	Re: Powerwise charger question Maybe one of our resident Gurus can answer it.

09-26-2022, 03:35 PM	#5
Volt_Ampere Gone Wild Join Date: May 2012 Location: Rio Verde, Az Posts: 7,170	Re: Powerwise charger question IT is possible that there are higher voltages present even though the input voltage isn't that high. Manufacturers usually don't use caps that are way overspeced for voltage but sometimes they use what's available. But If I had to guess, I would think a 400V cap would be ok.

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09-26-2022, 07:14 PM	#6
BuddyGo Getting Wild Join Date: Feb 2009 Location: Madison,Georgia Posts: 78	Re: Powerwise charger question Thanks Volt_Ampere for the opinion. I just hate not understanding something like that. With my limited knowledge in electronics it doesn't seem to add up. I don't see that kind of voltage happening from 120 or 36 volts. Anyway, it is what it is.

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