公开(公告)号：US20100208392A1

公开(公告)日：2010-08-19

申请号：US12706983

申请日：2010-02-17

申请人： Noriaki MUNAKATA ,  Masato SUZUKI ,  Yoshihiko MATSUDA ,  Naoki KAWAMURA ,  Manabu TAKAMOTO

发明人： Noriaki MUNAKATA ,  Masato SUZUKI ,  Yoshihiko MATSUDA ,  Naoki KAWAMURA ,  Manabu TAKAMOTO

IPC分类号： H02H7/00

CPC分类号： H01H33/596 ,  H01H33/161

摘要： A commutation type DC breaker comprising a main switch inserted in series into a main circuit for connecting a DC source and a load, a commutation capacitor, a reactor, and a commutation switch for supplying charges stored in the commutation capacitor to the main switch in an opposite direction to a main circuit current, producing a current zero point, thereby breaking the main switch, characterized in that the commutation capacitor, the reactor, and the commutation switch which are composed a commutation circuit and a control circuit for controlling the turning on or off of the main switch and the commutation switch are loaded on a frame with the main switch loaded.

摘要翻译： 一种换向型直流断路器，包括串联插入用于连接直流电源和负载的主电路的主开关，换向电容器，电抗器和换向开关，用于将存储在换流电容器中的电荷提供给主开关 产生电流零点，从而断开主开关，其特征在于，构成换向电路的换向电容器，电抗器和换向开关以及用于控制导通的控制电路 主开关和换向开关的负载装载在主开关的框架上。

公开(公告)号：US20080259531A1

公开(公告)日：2008-10-23

申请号：US12019337

申请日：2008-01-24

申请人： Masato SUZUKI ,  Yoshihiko MATSUDA ,  Naoki KAWAMURA ,  Masaru HAGA

发明人： Masato SUZUKI ,  Yoshihiko MATSUDA ,  Naoki KAWAMURA ,  Masaru HAGA

IPC分类号： H02B7/00

CPC分类号： H02B13/02 ,  H01H33/596

摘要： A DC switchgear 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 for enabling and disabling a main circuit current flow, and a commutating circuit provided with a commutating capacitor and a commutating switch, which is connected electrically parallel to the main switch, comprising: a DC circuit breaker accommodating box includes, as a standard arrangement, the main circuit provided with the main switch, and the commutation-type DC circuit breaker having the commutating circuit provided with the commutating capacitor and the commutating switch, which are connected electrically parallel to the main switch; 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 of the switchgear including a failure status thereof; and a rear accommodating box disposed on the back of the DC circuit breaker accommodating box, which accommodates a device for monitoring a status of the main circuit and protecting the main circuit; wherein the front accommodating box and the rear accommodating box are connected to the DC circuit breaker accommodating box to form an integrated DC switchgear.

摘要翻译： 一种具有换向型直流断路器的直流开关装置，其具有主电路，该主电路设置有用于互连直流电源和负载的主开关，以及用于启用和禁用主电路电流;以及整流电路，其具有整流电容器 以及与主开关电并联连接的换向开关，包括：直流断路器容纳盒，作为标准配置，包括设置有主开关的主电路和具有整流的换向型直流断路器 电路设置有与主开关电并联的整流电容器和换向开关; 设置在DC断路器容纳箱的前部的前容纳盒，其容纳具有用于控制开关装置的功能的装置，并指示包括其故障状态的开关装置的状态; 以及设置在直流断路器容纳盒的背面的后部容纳盒，其容纳用于监视主电路的状态并保护主电路的装置; 其中，所述前容纳箱和所述后容纳箱连接到所述直流断路器容纳箱以形成集成的直流开关装置。