Effects of Non-Synchronized Parallel Inverters on Circulating Currents, Harmonics, Busbar Life

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#1 21680505 12 Aug 2018 14:38

farah azouz farah azouz

Anonymous

Post #1
21680505 12 Aug 2018 14:38

what are the effects of non synchronized inverters connected parallel ?regarding the circulating current and harmonic current? and what would be its effect on bus bar 3Poles system life time and loading ?
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#2 21680506 13 Aug 2018 16:16

Rick Curl Rick Curl

Anonymous

Post #2
21680506 13 Aug 2018 16:16

Hi Farah-As David Ashton pointed out in your other post, bad things happen if the inverters are not synchronized.Since they are not synchronized, the phase relationship between them will be constantly changing. Look at the worst-case scenario: two inverters with the outputs 180 degrees out of phase. Both inverters would draw maximum current until one or both shut down or failed.The net output would be zero.-Rick
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Effects of Non-Synchronized Parallel Inverters on Circulating Currents, Harmonics, Busbar Life

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