around here, on a poly phase service of 400A. or larger, there is a demand
Originally Posted by brian john
meter with a captive needle that the meter reader resets every time he
reads the thing... the unit price on the KW is based on the demand meter.
high motor starting loads will peg that meter, and that means a higher rate
paid for all electricity used that month.
in the late 70's and early 80's, all grocery stores had interlocked compressors,
so they couldn't start more than one refer compressor at a time.... if the
tumblers lined up, and a bunch of them hit at once, and pegged the demand
meter, the cost of electricity for that 50,000 sq ft supermarket would be $5,000
higher for that month, and that was in the late 70's.
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