HVIL system explanation

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HVIL system explanation
« on: June 22, 2020, 10:55:57 PM »
Hi Makermax Team,

Is it possible to know what is a HVIL system and the purpose of it in a electric vehicle?
How many HVIL circuit are there in EV?
Thank you!



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Re: HVIL system explanation
« Reply #1 on: July 06, 2020, 07:06:10 PM »

HVIL is the high voltage interlock loop. It is used to safely disengage the HV battery pack from the rest of the HV components in an EV when it is in service. There is usually 1 HVIL circuit which forms a loop through all the HV components in the EV.

Hope this helps!
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