[RE-wrenches] DC Fuses on TL Inverters

Mark Byington markb at cobaltpower.com
Fri Jan 29 12:36:03 PST 2016


 

"Transformerless inverters need fuses on both DC positive and DC negative
legs to protect the inverter in case of ground fault."

 

I could be wrong, but my understanding is that TL inverters are no different
than transformer type inverters in terms of DC fusing requirements - no fuse
required for one or two strings in parallel; fuses required on + and - leads
for 3 or more strings in parallel.

 

Mark Byington

Cobalt Power Systems, Inc.

 

 

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