RE: [SOUTHBENDLATHE] RE: How do you Test a 3-Phase Converter?

 

Inverters convert DC to AC.

 

Generators are inherently AC. You have to work to get DC out of them. Either you need a commutater or you rectify the AC to Get DC. (Car Alternators are AC generators, actually 3 PH generators, and a bridge rectifier.

 

\I have never hear of “Modern” generators generating DC and then converting to AC with an inverter. . It would cost more and have no benefit.

 

Also modern inverters are not square wave. They are similar to VFD and are PWM which is a stepped approach to a sine wave.

 

Further the harmonic output is NOT a multiple of the line frequency it is a multiple of the chopping frequency, in the 10’s of KHz.

 

Jim B.

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That brings up another point.
Line power is a sine wave and most modern generators use an inverter which
produces a square wave.

I have no idea if that would present a problem to your converter but if
possible testing with line power could help trouble shoot.

Ken from Canada.

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