Method for replacing main transformer of power system
A replacement method and power system technology, applied in electrical components, switchgear and other directions, can solve the problems of long power outage, only step-by-step operation, and inability to work at the same time, reducing workload, improving power supply continuity, and improving operation. Efficient effect
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[0006] The method for replacing the main transformer of the power system is to operate according to the following process steps: 1. First, carry out main transformer assembly, oil injection, and high-voltage test on the new main transformer when the original old main transformer is not powered off; The sub-transformer is supported by sleepers to lay the guide rails, and the sleepers are placed under the guide rails. When placing the guide rails, carefully check that the sleepers are neatly placed without suspension, and set the hydraulic jack as the power device; 3. Disconnect the power supply circuit of the old main transformer, and put The old main transformer and the grounding grid are cut off by two grounding flat irons, and then each part is inspected. After all inspections are correct, the old main transformer is removed as a whole according to the exit route; after the old main transformer exits, check the basic level of the main transformer with a spirit level. The work...
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