10-08-2006, 05:29 AM
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Deity
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Join Date: Jul 2004
Location: Saint Regis Falls, NY, USA.
Posts: 5,307
Thanks: 0
Thanked 148 Times in 143 Posts
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Bob, imagine the motor to be two coils. Each coil rated at 120 volts. now parallel the two coils. in a parallel circuit the voltage is constant and the current is additive, both coils receive 120 volts and the current adds up. Now open the coils and connect the wires so that the windings are in series. In other words voltage goes into one coil then out and into the next coil and then out. The total voltage from one coil into the next adds up - 120+120=240. In a series circuit the voltages adds up and the current is one half.
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