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APPLICATION OF UPS UNINTERRUPTIBLE POWER SUPPLY IN POWER DIS

Ups news | 2021-03-17 14:38:22

Introduction: The Power Dispatch Center requires that the AC Uninterruptible Power Supply (UPS) system be responsible for supplying power to the system equipment and some of the backup lighting equipment in the transfer center and information center. Taking into account the characteristics of the power supply load, the power load capacity and the reliability, etc., the UPS parallel redundancy method should be selected to ensure the power supply to the various process equipment of the building.


The two mains I and the mains II supplied by the distribution transformer of the building are switched by the incoming line power cut screen, and the two AC power sources are output. The AC power is input to the UPS through the barrier transformer and the UPS power input screen. On the one hand, the input blocking transformer can improve the power quality of the input UPS power supply and reduce the harmonics. On the other hand, when the surge, induced overvoltage, etc. occur, the UPS power supply and future power equipment can play a certain degree. Protection effect.


After communicating with customers, we provide plans that are compatible with customer requirements. The two UPSs are operated in parallel with a 300KVA 12-pulse blocking transformer, and are powered by two mains. If the mains power is lost, the linkage switch in the power inlet screen is self-closing, and the two UPSs are powered by the mains.


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