question

jake-ote avatar image
jake-ote asked

Multiplus no load watts

I’ve been running tests and keeping an eye on my power usage and wondering why the system seemed to use so much at rest with no loads. With everything turned off, all loads breakers off except the Multiplus, the BMV is saying 29 watts being used. The spec sheet says the Multiplus should use 20 watts with no load. Is this normal? Does anyone else see this high of an “at rest” usage? Multiplus 3000 va

Multiplus-IImultiplus ve.bus
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3 Answers
Alexandra avatar image
Alexandra answered ·

@jake_ote

The bmv also uses power and the gx device you are using for monitoring. So you are not just metering the multi right now. The mppt as well if you have one of those.

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porcini avatar image
porcini answered ·

That's quite normal. Some units are better, but the value differs, so don't trust the data sheet. Quattro 10kVA is even worse.

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tom w avatar image
tom w answered ·

Do you hear a humming when the Multiplus is idle and consuming 29W?

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