Time relay three-start circuit


Posted on Mar 28, 2007

Circuit shown in Figure 3-159. The circuit uses complement each other three times and three relay contacts, followed by the automatic removal of the rotor circuit resistance le


Time relay three-start circuit
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vels, and finally the rotor winding variable resistor is reduced to zero (all short), so that the electric motor speed gradually increased, and finally reach the rated speed.




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