What is pre-charge and how it works

What is pre-charge and how it works 1.0

When power is first applied to a capacitive load (like inverters and chargers), a large inrush current is induced. This current creates an arc between the relay contacts… that are severely damaged. For that reason capacitive loads need to be pre-charged with a controlled current. TAO BMS can do that for you as a standard feature…
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Philtao
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It a good article covering technical topic of pre-charge circuit, why need arises, fundamental education, valuable resource. Thank you.
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Philtao
Thanks for your encouragement.
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