High voltage circuit breakerCircuit breakers play two roles in the power system: one is the control function, that is, putting part of the power equipment or lines into or out of operation according to the operation needs of the power system; the other is the protection function, that is, when the p
An electrical appliance that uses a metal conductor as a melt connected in series in a circuit. When an overload or short-circuit current passes through the melt, it heats up and melts, thus breaking the circuit. Fuses have a simple structure and are easy to use. They are widely used as protection d
Abnormal soundWhen the transformer is operating normally, it will emit a continuous and uniform "buzzing" sound. If the sound generated is uneven or has other special sounds, it should be considered that the transformer is not operating normally, and the fault can be found based on the dif
With the development of the electronic and electrical industry, winding machines are used more and more widely. The problem that arises is how to ensure the effective utilization of the machine. When the winding machine fails, it must be restored to normal use as soon as possible. In order to solve
As an important guarantee for economic development and normal life and learning per capita, the power system is very important to the realization of the overall economic construction goals. The role of transformers in power supply equipment cannot be ignored. Therefore, ensuring the safety of transf
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