What is a low voltage circuit breaker?Low-voltage circuit breaker (formerly known as automatic switch) is a switching appliance that can not only connect and break normal load current and overload current, but also can connect and break short-circuit current. In addition to playing a control role in
What traction transformer? The traction transformer is a power transformer with a special voltage level that transmits the electric energy of the three-phase power system to two single-phase traction lines with respective loads. Two single-phase traction lines supply power to the upstream and downst
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
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