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SeattleEVA Forums > EV Components and Hardware Category > Battery Chargers and Battery Management Systems (BMS) > onboard kilowatt-hour meters question
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Author Topic: onboard kilowatt-hour meters question  (Read 5455 times)
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ev-supply
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« Reply #314: July 10, 2008, 12:38:48 pm »
Quote from: leitmotif on July 10, 2008, 12:00:58 am
The other thing to remember is even though the shunt output is only 50mV -- each "side" of 50 mV ie plus and neg is still at DC line voltage (plus or minus) depending on which side you place shunt.  I would definitely fuse the 50mV signal leads going to the meter with say 1/2 amp quick blow instrument fuses.

It is for this reason that shunts are traditionally placed on the 0V side of the battery pack, even though functionally, they can go at any point in the load.
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