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    • 4. 发明授权
    • DC switchgear provided with a commutation-type DC circuit breaker
    • 直流开关设有换向型直流断路器
    • US07813090B2
    • 2010-10-12
    • US12019337
    • 2008-01-24
    • Masato SuzukiYoshihiko MatsudaNaoki KawamuraMasaru Haga
    • Masato SuzukiYoshihiko MatsudaNaoki KawamuraMasaru Haga
    • H02H7/04H02H7/85
    • H02B13/02H01H33/596
    • A DC switchgear is provided with a commutation-type DC circuit breaker having a main circuit provided with a main switch for interconnecting a DC power supply and a load, and a commutating circuit provided with a commutating capacitor and a commutating switch, which is connected electrically parallel to the main switch. The switchgear further has a DC circuit breaker accommodating box that includes the main circuit provided with the main switch, and the commutation-type DC circuit breaker; a front accommodating box disposed on the front of the DC circuit breaker accommodating box, which accommodates devices having functions for controlling the switchgear and indicating a status, such as a failure status thereof; and a rear accommodating box disposed on the back of the DC circuit breaker accommodating box. The front and rear accommodating boxes are connected to the DC circuit breaker accommodating box to form an integrated DC switchgear.
    • 直流开关装置具有换向型直流断路器,该换向型直流断路器具有主电路,该主电路设置有用于互连直流电源和负载的主开关,以及具有换向电容器和换向开关的换向电路,该换向电路电连接 平行于主开关。 开关装置还具有包括设置有主开关的主电路和整流型直流断路器的直流断路器容纳箱; 配置在直流断路器容纳箱的前部的前容纳箱,其容纳具有用于控制开关装置的功能的装置,并指示其故障状态等状态。 以及设置在DC断路器容纳箱的背面的后部容纳盒。 前后收纳箱与直流断路器容纳盒连接形成集成的直流开关装置。