The exhaust of the transformer

Inside the single phase step down transformer, there are two main parts: one is the insulation inside the transformer body and the gas inside the coil, and the other is the gas inside the transformer accessories, including the radiator, oil purifier, pressure relief valve, oil storage Cabinet, etc .; transformer body vacuum, their space and isolation of the oil immersed distribution transformer body internal space to be exhausted. Therefore, the implementation of the vacuum oil filling transformer and replenishment must be exhaust, exhaust is a very important step of the work, the specific approach is: "first on the next, the isolation tank, respectively, net."