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  • How does transformer be matched with circuit breaker?

    How does transformer be matched with circuit breaker? For example, the power transformer be 2000kVA, and the impedance voltage Uk=6%. The rated voltage of the low-voltage side winding is 400V/230V (line voltage/phase voltage). Step 1: Calculate the rated current of the power transformer Step 2:...
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  • BFM high-voltage power capacitor

    1. What is an BFM high-voltage power capacitor?   BFM high-voltage power capacitor and bfm high-voltage power capacitor are suitable for parallel connection in power frequency AC 50Hz power system to improve power factor, improve voltage quality and reduce equipment and line loss   2.Environmenta...
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  • With a ATS, a better life is uninterrupted

    Boom, the power is out! What should I do if the elevator is halfway there? The time has come to test psychological qualities. Boom, the power is out! What if the power goes out and the operation is halfway through? God please grant me a ray of light. Oh,my god! In the intelligent time, give us a ...
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  • Contact BOX – Physical Elements!!!

    Contact BOX – Physical Elements!!!

    1.What is an Contact BOX?   The contact box is used for various handcart switch cabinets under the condition that the altitude does not exceed 1000M. The contact box is an epoxy resin APG process pressure gel forming structure, which is used for various handcart type switch cabinets for insulatio...
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  • Insulators – Physical Elements?

    Insulators – Physical Elements?

    1. What is an insulator?   A device capable of withstanding voltage and mechanical stress installed between conductors of different potentials or between conductors and grounded components. There are many types of insulators and different shapes. Although the structure and shape of different type...
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  • What is a lightning arrester?

    What is a lightning arrester?

    1.Definition of arrester?   Lightning arrester: An electrical appliance used to protect electrical equipment from high transient overvoltage during lightning strikes, and to limit the freewheeling time and often the amplitude of freewheeling. Lightning arresters are sometimes also called overvolt...
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  • The difference between dual power automatic transfer switch and isolation switch

    The difference between dual power automatic transfer switch and isolation switch

    1. The amount of current disconnected by the two is different   Since the isolating switch does not have a magnetic blowing device, it is only suitable to disconnect the unloaded current, but cannot disconnect the load current and short-circuit capacity. Therefore, the isolating switch household ...
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  • What is the difference between a miniature circuit breaker and a molded case circuit breaker

    The primary function of miniature circuit breaker (MCB) circuit breaker enclosures and a wide range of circuit breaker products is to provide maintenance for building electrical terminal distribution equipment. Since both are circuit breakers and plastic case circuit breakers are mainly used to k...
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  • Best Selling Product– ASQ Automatic disconnect switch

    Best Selling Product– ASQ Automatic disconnect switch

    1.Details of ATS ?   Double power transfer switch appliance (transfer switch ATS is also called ATSE, which is the English abbreviation of Automatic transfer Switching equipment.) An appliance that converts one or more load circuits from one power source to another power source. An electrical app...
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  • What is the function of vacuum circuit breaker

    What is the function of vacuum circuit breaker

    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 the vacuum circuit breaker, and the ground fault point is not cleared after the circuit breaker trips, the vacuum...
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  • Best Selling Product– Low Voltage Capacitors

    Best Selling Product– Low Voltage Capacitors

    1.Details of capacitors ?   Self healing low voltage shunt power capacitor was used in 50Hz and 60Hz power system it mainly improve power factor, reduce reactive power loss, improver power factor, reduce reactive power loss, improve voltage quality. Excavate transformer quantity and so on. It is ...
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  • Most Popular Product – CNAISO Manual Changeover Switch

    Most Popular Product – CNAISO Manual Changeover Switch

    1,Normal working conditions of Manual Changeover Switch ?   1.1.The air temperature is -5℃~+40℃, the average value within 24 hours should not be over 35℃. 1.2.The relative humidity should not exceed 50% at max temperature +40℃, the higher relative humidity is permissible at lower temperature, fo...
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