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Hello, what are the difference between TPS, TPX and TPZ class CTs? are these classes can be used for protection purposes and not metering? thank you

thanks for the replies. there is no requirement for kva testing. the single unit generator is used as an emergency power source and as soft load transfer during scheduled maintenance. i wanted to confirm that the operation of speed and voltage regulation controllers with resistive load bank...

thanks for your input. my question is when you use a resitive load bank, how is the Vf voltage and If current (field voltage and current) vary from no load state to full load state. I would imagine the field voltage and field current from AVR would be the same from the no load to full load...

Hi all, we want to load test a generator to confirm the operation of the generator voltage governor and the excitation circuit. is a resistive load bank is enough or an inductive load bank is required for this purpose? thanks