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Swannie


Swannie
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Hi there, just a question please. During charging the batteries from utility (not always), my input voltage and output voltage drops to 182v AC sometimes to 174v ( from 230v). This affects both my inverters due to input voltage to low. I thought fault is from City Power because I had problems before. But the laid a new cable, and the problem is still there. I do have 5KVA Mecer Inverter with 16 100AH batteries. Any ideas why?

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The Mecer, like many Axpert models, can only power the loads from utility when utility charging. The inverter is busy charging the battery, so it can't power the loads.

South Africa's grid seems to be woeful at times lately, so that's likely the problem. They fixed part of it, but overloads must happen earlier in the generation chain.

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18 hours ago, Swannie said:

Hi there, just a question please. During charging the batteries from utility (not always), my input voltage and output voltage drops to 182v AC sometimes to 174v ( from 230v). This affects both my inverters due to input voltage to low. I thought fault is from City Power because I had problems before. But the laid a new cable, and the problem is still there. I do have 5KVA Mecer Inverter with 16 100AH batteries. Any ideas why?

What kind of cable do you have running to your inverter? (mm²)

It is entirely possible for the voltage drop to be due to city power.  What kind of voltage do you read at your incoming city power cable?  What usually happens is, the amount of people in an area increases and they don't upgrade the transformer and then you have a huge voltage drop at the transformer.

Edited by Gnome
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  • 8 months later...

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