Water purifier transformerIt is a static device that can operate continuously. Its operation is more reliable and there is less chance of failure. However, since most transformers are installed outdoors and will be affected by the load and short-circuit faults of the power system during operation, various faults and abnormal conditions will inevitably occur during operation. When a fault occurs inside the transformer, due to the influence of the current and the short-circuit arc caused by the short circuit, a large amount of gas will be generated inside the transformer, thereby accelerating the oil flow of the transformer. The protection obtained by the flow of oil and gas is called gas protection.
Microelectronics RecommendedWhat is the gas protection of the transformer
Light gas protection of transformer:When a slight fault or abnormality occurs inside the transformer, the fault point is locally overheated, causing part of the oil to expand, and the gas in the oil forms bubbles into the gas relay, light gas Protection action and light gas signal.
Heavy gas protection:When a serious fault occurs in the transformer oil tank, the fault current is large, and the arc will decompose the transformer oil in a large amount, resulting in a large amount of gas and oil flow. The anti-collision baffle plays the role of heavy gas relay protection, sending out heavy gas signal and triggering the outlet. Cut off the transformer.
Transformer heavy gas protection is the main protection measure for internal faults in the fuel tank, which can reflect various faults inside the transformer. When a small number of turn-to-turn short circuits occur in the transformer, although the fault current is large, the differential current generated in the differential protection may not be large, and the differential protection may refuse to operate. Therefore, for the internal fault of the transformer, heavy gas protection is required to eliminate the fault.
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