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What's the best THD for UPS?

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Hi,

I need to use a ups for a pump.
But what's the best THD for it?(5% is a good for it?)

Thanks
Regards
 

Re: Best THD for UPS

yes if you can achieved that 5percent is ok.
 
Re: Best THD for UPS

Hi,
Thanks ,

What's different between online and offline ups? which one is better?

Regards
 

Re: Best THD for UPS

In my understanding, online UPS is referring to a design, where the load is permanently powered through the inverter. So the load will be supplied without any voltage drop in case of a power loss. It's mainly required for electronic equipment, that doesn't tolerate even short voltage drops, e.g a computer.
 

IEC recommends less THD less than 8%.
 

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