TH1634B - The operating device of the automatic circuit breaker - Google Patents

Abstract

The operating device of the automatic circuit breaker was revealed. which increases the reliability of supply circuit protection. Main power The operating device consists of a tipping mechanism (44) for attaching or separating pairs of contacts in a circuit, a transmission device in position for extending the tipping mechanism (44) for contact faces, an accelerating spring (37) for retracting a tipping mechanism ( 44) To isolate contacts, circuit breaker hook (59) for down mechanism (44) One circuit breaker control electromagnet (10) operated by a circuit-independent regulated power supply. On the load side of the main power supply circuit for liberation Spring Accelerated Circuit Breaker (37) Electromagnet Assist Control cut off the other circuit (7) which was triggered as a response. Connect too much current flowing through the main circuit. To release the accelerator spring, the circuit breaker (37) , the spring and the overcurrent protection relay (11A, 11B or 11C) are triggered as a response to the overcurrent. to provide a signal to interrupt the two types of electromagnetic circuits (7, 8 or 9) even if the electromagnetic (10) is malfunctioning.

Claims (3)

1.Operating device of automatic circuit breaker It consists of a tilting mechanism for releasing a pair of contacts by contraction. Body and for fitting with a pair of extended contacts, a transfer device for transmitting the tilting mechanism Spring accelerated cutting Electrical circuit for transmitting downward mechanism Hook to cut the electric circuit for Holds the tipped trigger in its retracted and clamped position. Electromagnet One circuit breaker controls for releasing the accelerating circuit breaker, operating by electric power, operating by power. Power is supplied from a controlled power supply that does not occur. Based on the anti-load circuit of the main power supply circuit, the electromagnet controls another circuit breaker for disengaging the tripping accelerator spring, which is operated by the flow of electric current which has Excessive values through the main power supply circuit And protection relays Too much current which is connected through the current transformer Still power supply The main electricity and electromagnetic arrangement controls the circuit breaker. Both with a circuit breaker command signal 2. Performance equipment of automatic circuit breaker at Mentioned in the claim No. 1 is applied to the machine Automatic circuit breaker For power distribution circuits A three-loop principle in which a three-phase alternating current (phase) flows, in which an electromagnet controls another circuit breaker. Electromagnet controls three independent circuit breakers. Each of which operates with the power supplied by the flow Of electricity That flows through the corresponding one of the main power supply circuits. 3.Operating device of the automatic circuit breaker that Mentioned in Clause 2 above, which also includes With operating shaft helping to cut one rotary circuit as Circuit breaker hook actuation device In which the shaft has three devices Installed, which is driven by the corresponding propulsion by the shaft The interruption of the electromagnet is controlled by another circuit breaker, and by the actuator shaft controls the release of the tripping accelerator spring (3 claims, 1 page, 11 photos).