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motor to slow and no power

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Thiery Vardon
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Last seen: 1 year 9 months ago
Joined: 2020-06-21 12:36
Posts: 3
motor to slow and no power

Hello

I've got a 8kw motor 4 poles and no sensors connected to a vesc 200 amps 30V 8S lipo 

With no charge all seems good and speed is good

but with charge the speed decrease and what I don't anderstand is that amperes are not up to correct the speed as asked ? It stay at maximum 13 Amperes !!

Impossible to find a way to overs 13 amps ?! Even a 100 amps for increase the spedd where cool

TheFallen
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Last seen: 3 months 3 weeks ago
VESC FreeVESC Original
Joined: 2017-09-11 11:46
Posts: 222

4 poles seems quite low.

Could we have:
A picture of your setup (including connections and parts)
Your motor settings

A BLDC motor will not draw much current unless it's loaded. Is that what you mean by 'charge' ?
You may have set the max battery amps at 13A and thus the motor struggles as you load it.

Also be wary, a 200A rates speed controller will rarely do 200A for very long.

Thiery Vardon
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Last seen: 1 year 9 months ago
Joined: 2020-06-21 12:36
Posts: 3

Hello and thanks for anwser

The motor is a leopard 530 kv

https://fr.aliexpress.com/item/32868316238.html?spm=a2g0s.9042311.0.0.27...

And the vesc is a FSESC 200A 60V base on VESC6

https://flipsky.net/collections/electronic-products/products/high-curren...

I have set 100 Amps in vesc tool --> currant --> general --> motor currant max

and also 100 amps in --> general --> currant --> battery currant max

The motor start well but when I go max the speed is very lower than when I try it without charge !! And there is no try by the vesc to update the current to respond on speed demand the mesured currant is about 14 amps only (very low no ?)

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