substitutive motor centrifugal switch circuit

Published:2011/7/16 19:55:00 Author:chopper | Keyword: centrifugal switch | From:SeekIC

The principle of circuit The substitutive motor centrifugal switch circuit is formed by the power supply circuit and delay control circuit,which is shown in Figure 4-125. 　 The power supply circuit is formed by the capacitor C1,discharge resistor R1,rectifier diodes VD1,VD2,filter capacitor C2 and voltage-regulator diode VS. Delay control circuit is formed by the resistor,capacitor C3,diodes VD3,VD4,transistors V1,V2,and the relay K. 　 20V AC voltage is dropped by C1,rectifiered by VD1 and VD2,filtered by C2 and regulated by VS,and then offer the delay circuit +12V operating power supply.



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