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葛洲坝二江电站发电机与主变压器采用单元接线方式,其中#3~#6机组带厂用电系统经过20多年运行,存在机组运行方式受厂用电系统制约和厂用电系统倒闸操作劳动强度大等一系列运行安全问题。通过对#3~#6机组发电机出口加装发电机出口断路器改造,提高了机组运行方式的灵活性和厂用电系统的可靠性,减少运行人员的操作工作量。新设备操作灵活可靠,安装维护方便,设备运行稳定,改造取得了良好的安全、经济效益。
Gezhouba Erjiang power station generator and main transformer unit wiring, of which # 3 ~ # 6 units with the plant after 20 years of operation of power systems, there is the operation mode of the unit under the constraints of the power plant system and plant power system switching operation of the work Strength and a series of operational safety issues. Retrofitting generator outlet circuit breakers on the outlet of # 3 ~ # 6 generators increases the flexibility of the unit operation mode and the reliability of the power supply system of the factory and reduces the workload of the operators. The new equipment is flexible and reliable operation, easy installation and maintenance, equipment operation is stable, the transformation has made good safety and economic benefits.