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发明授权
CN101546890B 具有多压力释放通道的双层开关设备 失效 - 权利终止 转让

具有多压力释放通道的双层开关设备
摘要：
一种具有多压力释放通道的双层开关设备，它包括设置于柜体内的手车室、仪表室、电缆室和主母线室，柜体内的前上端设有仪表室，柜体的前中部为上层手车室，在仪表室后方设有上层手车室的压力释放通道，上层手车室的后方设有主母线室和电缆室，本发明的优点是在不改变开关设备柜体外形尺寸的情况下具有两个独立的供电回路，各个隔室在内部燃弧故障发生时相邻开关设备能安全运行，使开关设备运行更安全可靠。
摘要（英）：

A double layer switch installation with multi-pressure release passages comprises a cart chamber in a cabinet body, a meter cabinet, a cable chamber and a main bus-bar chamber. A meter cabinet is arranged on the front and upper end of the cabinet. An upper cart chamber is arranged at the front and middle portion of the cabinet body. A pressure release passage of the upper layer cart chamber is arranged at the back of the meter cabinet. A main bus-bar chamber and a cable chamber are arranged at the back of the upper layer cart chamber. The invention has the advantages that the double layer switch installation has two independent power supply loops without changing the contour dimension of the switch installation cabinet body and the neighbouring switch installation can operate safely when the inner arcing fails in each compartment so that the switch installation operates more reliably.

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