The invention provides a high-voltage circuit with double main breakers and a high-voltage equipment box, and relates to the technical field of locomotive high-voltage circuit control. The circuit comprises a first high-voltage cable, a second high-voltage cable, a third high-voltage cable, a first circuit breaker and a second circuit breaker, one end of the first high-voltage cable is connected with the pantograph, and the other end of the first high-voltage cable is connected with a first contact of the first circuit breaker; one end of the second high-voltage cable is connected with a second contact of the first circuit breaker and a first contact of the second circuit breaker, and the other end of the second high-voltage cable is connected with the main transformer; and one end of the third high-voltage cable is connected with a second contact of the second circuit breaker, and the other section is connected into a circuit of the other compartment. According to the circuit, overload short-circuit protection of the circuit can be realized, normal work of other compartment circuits cannot be influenced when the circuit fails, the voltage equipment box can quickly release voltage when equipment breaks down and bursts, and air convection inside and outside the box body can also be realized.
本发明提供一种双主断配置的高压电路及高压设备箱,涉及机车高压电路控制技术领域。该电路包括第一高压电缆、第二高压电缆、第三高压电缆、第一断路器以及第二断路器;第一高压电缆的一端与受电弓连接,另一端与第一断路器的第一触点连接;第二高压电缆的一端分别与第一断路器的第二触点以及第二断路器的第一触点连接,另一端与主变压器连接;第三高压电缆的一端与第二断路器的第二触点连接,另一节连接另一节车厢的电路中。该电路可以实现对电路的过载短路保护,也可以保证在电路故障时不影响其他车厢电路的正常工作,该电压设备箱在设备出现故障炸裂时快速泄压,也能实现箱体内外的空气对流。
High-voltage circuit with double main breakers and high-voltage equipment box
一种双主断配置的高压电路及高压设备箱
2025-03-28
Patent
Electronic Resource
Chinese
IPC: | H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02B BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER , Schalttafeln, Unterstationen oder Schaltanordnungen für die Abgabe oder Verteilung elektrischer Energie |
Worldwide Reliability Survey of High-Voltage Circuit Breakers
Online Contents | 1996
|New Digital Control and Monitoring of High Voltage Circuit Breakers
British Library Conference Proceedings | 2002
|Harmonizing with the IEC - ANSI/IEEE standards for high-voltage circuit breakers
Online Contents | 2013
|Optimum Design of High-Voltage Circuit Breakers Based on Mechanism Dynamic Features Simulation
British Library Online Contents | 2002
|