A control circuit reversing braking and reverse grading speed control function


Posted on Mar 28, 2007

Circuit shown in Figure 3-168, which uses the controller SA grading speed and reversing control; reverse brake connected to the rotor circuit overcurrent relay KI to control; c


A control circuit reversing braking and reverse grading speed control function
Click here to download the full size of the above Circuit.

urrent relay KIi ~ KI3 as a motor three phase overcurrent protection; zero voltage relay KA is used as undervoltage protection.




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