Baldor Motor Basics: Power Systems and Voltage

plus 10% (506 volts) and down to 460 minus 10% (414 volts). If everything is right with the voltage of the system being in multiples of 120 plus or minus 5%, and the equipment volt-age being multiples of 115, plus or minus 10%, then every-thing fits together like a neat jigsaw puzzle. There is one oddity in the mix. That is 3-phase motors for ................
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