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The function of a reactor
Sep 11,2020
The reactors used in power grids are essentially hollow coils made of non-magnetic materials. Depending on the requirements, they can be arranged in three different configurations: vertical, horizontal, and "pin" shape. When a short circuit occurs in a power system, it generates a short-circuit current with a very high magnitude. Without proper limitation, it would be extremely difficult to maintain both the dynamic and thermal stability of electrical equipment. Therefore, to meet the interrupting capacity requirements of certain circuit breakers, reactors are often connected in series at the outgoing circuit breakers to increase the short-circuit impedance and thereby limit the short-circuit current.
Thanks to the use of reactors, when a short circuit occurs, the voltage drop across the reactor is relatively large, which helps maintain the busbar voltage level and minimizes voltage fluctuations on the busbar, thereby ensuring stable operation of electrical equipment for users connected to non-faulty circuits.
In recent years, in power systems, the method of installing series reactors in capacitor circuits to alter system parameters has achieved remarkable results in eliminating capacitor failures caused by high-order harmonic voltages and currents.
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Kangda Electric Furnace specializes in the manufacture of the following equipment: KGCL series medium-frequency power supplies, KGPS series medium-frequency power supplies, GTR series medium-frequency induction heating furnaces...
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Address: Yuhe Industrial Park, Weicheng District, Weifang City, Shandong Province
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