Switchgear refers to the installation of relevant high and low voltage electrical appliances and their bus ducts, current carrying conductors, composite insulators, etc. on the clos…
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The maintenance of low-voltage distribution cabinet is mainly to ensure the normal and safe operation of low-voltage distribution cabinet. The low-voltage distribution cabinet shall…
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As a central mechanism, the low-voltage distribution cabinet can operate the line power switch, which has the same function of power engineering operation as the meter box equipment…
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1. Check whether the three-phase web service, the three-phase current exceed the index value, and the three-phase voltage are the same.2. Check whether the composite insulator is da…
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1. The AC withstand voltage test shall be carried out by an experimental enterprise approved by the local power supply system unit. The test specifications meet the requirements of …
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