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  • What is a box-type substation? What is the difference between European style and American style?

    What is a box-type substation? What is the difference between European style and American style?

    I believe that everyone is familiar with box-type substations, but there are also many old electricians who have a lot of doubts. In addition to the above differences in appearance and functional use, what is the difference between European and American style in the end,...
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  • What is a vacuum circuit breaker and the role of a vacuum circuit breaker

    What is a vacuum circuit breaker and the role of a vacuum circuit breaker

    The role of vacuum circuit breakers – what are vacuum circuit breakers? The role of vacuum circuit breakers When the vacuum circuit breaker is in the closed position, its insulation to earth is undertaken by suitable insulators. Once a permanent ground fault occurs in the route connected to...
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  • solid insulated switchgear GVG-12

    GVG-12 series solid insulated ring network switchgear is a fully insulated, fully sealed, maintenance-free solid insulated vacuum switchgear. All high-voltage live parts are molded with epoxy resin material with excellent insulation performance, and the vacuum interrupter, main conductive circuit...
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  • The role of voltage transformers

    The working principle is the same as that of the transformer, and the basic structure is also the iron core and the primary and secondary windings. The characteristic is that the capacity is small and relatively constant, and it is close to the no-load state during normal operation. The impedance...
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  • Vacuum circuit breakers must understand common sense

    Vacuum circuit breakers must understand common sense

    The vacuum circuit breaker mainly includes three components: vacuum pump arc extinguishing chamber, electromagnetic induction or torsion spring actual operation organization, and support frame. The life of the vacuum circuit breaker includes the life of the vacuum pump, ...
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  • Working principle of vacuum circuit breaker

    Working principle of vacuum circuit breaker

    Compared with other isolating switches, the principle of vacuum circuit breakers is different from that of magnetic blowing substances. There is no dielectric in a vacuum, which makes the arc extinguish quickly. Thus, the dynamic and static data contact points of the disconnect switch are not ver...
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  • Box-type substation – the principle of box-type substation

    Box-type substation – the principle of box-type substation

    The built-in high and low voltage switchgear of the low-voltage built-in distribution station system and the theme activity box of the internal structure of the transformer are integrated into a complete set of electrical equipment distribution system. It can be composed of a variety of power sup...
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  • GRM6-12 SF6 gas insulated switchgear

    GRM6(XGN□)-12 fully insulated fully enclosed compact switchgear, which can realize functions of control, protection, measurement, monitoring, communication, etc. is especially suitable for places with small distribution facility site and high reliability requirements, and places with a relatively...
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  • Qingming Festival Holiday Notification

    Dear friends, Please well note, due to Qingming Festival, we will have three days holiday, from April 3rd~5th, 2022. We will return to work on April 6th (Wednesday). During the holiday, please pay attention to personal epidemic protection, and try to avoid going to places where people gather. Bes...
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