Can effectively guarantee the auto-voltage starting circuit main contact of extinction


Posted on Mar 28, 2007

Circuit shown in Figure 3-56. It has both manual and automatic start-up mode. Has KA2, KA3 two relays in the control loop. So cut KM! Before and after turning KMz, after provid


Can effectively guarantee the auto-voltage starting circuit main contact of extinction
Click here to download the full size of the above Circuit.

ing a main contact is opened after KMi guarantee extinction interval, will KMi main contact arcing, KMz the main contacts to be closed.




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