The technical indicators of DC power supply can be divided into two categories. One is the characteristic indicators, which usually include the voltage allowed to be transmitted, the voltage and current output and the voltage adjustment range. Today I will show you the DC power supply quality detect
1. Analysis of abnormal operation of transformer(1) The transformer sound is abnormalAs soon as the transformer is powered on, there will be a buzzing sound, which is mainly due to the high-voltage magnetic flux. During normal operation, the sound of the transformer is uniform. When there are other
The function and working principle of safety relayThe so-called "safety relay" is not a "fault-free relay". It has a forced guide contact structure to ensure safety in the event of contact welding. This is completely different from ordinary relays. .Safety relays are used in the
Common busbar wiring methods1. Single busbar wiring: Single busbar wiring has the advantages of simple and clear, less equipment, small investment, convenient operation and conducive to expansion, but its reliability and flexibility are poor. When the busbar or busbar isolating switch fails or is re
A switching station is literally understood as an electrical place containing only pure switching equipment. It only acts as a shunt for electric energy and does not change the voltage level of the incoming and outgoing lines. It is a power distribution device equipped with power distribution incomi
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