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发明公开
CN109950822A 110KV一电一充直流系统不停电更换方法 有权

110KV一电一充直流系统不停电更换方法
摘要：
110KV一电一充直流系统不停电更换方法，将1#临时蓄电池组与2P直流馈电柜连接，1#临时蓄电池组作为1P直流充电柜和2P直流馈电柜的备用电源；拆除3P直流蓄电池柜I和4P直流蓄电池柜II；在原4P直流蓄电池柜II的位置上安装新的直流充电柜，在原3P直流蓄电池柜I的位置上安装新的1#直流馈电柜；将2#临时蓄电池组与新的直流充电柜连接，2#临时蓄电池组作为新的直流充电柜和新的1#直流馈电柜的备用电源；将2P直流馈电柜的负荷转移至新的1#直流馈电柜。在原2P直流馈电柜位置安装2#直流馈电柜。本发明一种110KV一电一充直流系统不停电更换方法，即在不停电情况下，可以在原位安装新的直流系统，省略了过桥系统，即临时直流系统，从而直接更换新系统。节省了大量的人力、物力；降低电网风险，减少停电时间。
摘要（英）：

The invention provides a 110KV one-battery one-charger DC system replacement method without power cut. The method comprises a step of connecting a 1# temporary storage battery pack with a 2P DC feed cabinet, wherein the 1# temporary storage battery pack is taken as a backup power supply for a 1P DC charging cabinet and the 2P DC feed cabinet, a step of remove a 3P DC storage battery cabinet I anda 4P DC storage battery cabinet II, a step of install a new DC charging cabinet at the position of the original 4P DC storage battery cabinet II and installing a new 1# DC feed cabinet at the positionof the original 3P DC storage battery cabinet I, a step of connecting a 2# temporary storage battery pack to the new DC charging cabinet, wherein the 2# temporary storage battery pack is used as a backup power supply for the new DC charging cabinet and the new 1# DC feed cabinet, a step of transferring the load of the 2P DC feed cabinet to the new 1# DC feed cabinet, and a step of installing a 2#DC feed cabinet at the position of the original 2P DC feed cabinet. According to the 110KV one-battery one-charger DC system replacement method without power cut, the new DC system can be installed at the original position without power cut, a bridge system which is a temporary DC system is omitted, therefore, the new system is directly installed as a substitution, a lot of manpower and materialresources are saved, the grid risk is reduced, and the time of power cut is reduced.

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