[Electric Boats] PWM output measuring

 

Gentlemen

 

I have recently completed a small electric powered catamaran and wish to take measurements of the power consumed by the motor as well as monitoring the battery consumption with a NASA marine BM1. The motor speed is controlled by a PWM unit and I am concerned that the square pulse form of the output will give incorrect meter readings, can anybody in the group help me with correction factors?

 

My thanks in anticipation.

 

Geoff V

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