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发明公开
CN102195357A 一种220kV变电站三绕组主变压器远方操作控制装置 无效 - 驳回

一种220kV变电站三绕组主变压器远方操作控制装置
摘要：
一种220kV变电站三绕组主变压器远方操作控制装置，其中：包括光纤通信单元、信号变换判断单元、高压侧中性点隔离开关操作控制单元、中压侧中性点隔离开关操作控制单元、高压侧断路器操作控制单元、中压侧断路器操作控制单元、低压侧断路器操作控制单元，其中，光纤通信单元包括光纤电缆、光端机，光端机包括光接收电路、光发射电路：光接收电路的光信号输入端连接光纤电缆的下发信号输出端，光接收电路的信号输出端连接信号变换判断单元的信号输入端；信号变换判断单元的各操作控制信号输出端连接相应操作控制单元的控制信号输入端，各操作控制单元的状态信号输出端分别连接光发射电路相应状态信号输入端。
摘要（英）：

The invention discloses a remote operating control device of a three-winding main transformer of a 220 kV transformer substation, which comprises a fibre-optical communication unit, a signal transformation judgment unit, a high-voltage side neutral point disconnecting switch operation control unit, a middle-voltage side neutral point disconnecting switch operation control unit, a high-voltage side breaker operation control unit, a middle-voltage side breaker operation control unit and a low-voltage breaker operation control unit; wherein the fibre-optical communication unit comprises a fiber-optic cable and an optical transceiver, the optical transceiver comprises a light receiving circuit and a light transmitting circuit; the light signal input end of the light receiving circuit is connected with the sending signal output end of the fiber-optic cable, the signal output end of the light receiving circuit is connected with the signal input end of the signal transformation judgment unit; all operation control signal output ends of the signal transformation judgment unit are connected with corresponding control signal input ends of the operation control unit, and all status signal output ends of the operation control unit are respectively connected with corresponding status signal input ends of the light transmitting circuit.

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