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Old 10-22-2018, 05:27 PM   #7
ThreeCW
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Join Date: Nov 2016
Location: near Calgary, AB, Canada
Posts: 1,516
Default Re: Voltage and current meter

Yes a shunt was used ... the first picture in my post above is the 500 amp shunt before it was installed. The shunt is installed between the battery pack negative post and the controller B-. The voltage drop measured across the shunt is proportional to the amperage flowing through the cable. I believe that a 1 mV drop across the shunt equals 1 amp of current (i.e. 150 mv shunt drop = 150 amps into the controller).
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