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With the continuous expansion of urban scale and the transformation of urban power grids in China, overhead transmission lines are gradually being replaced by underground cable transmission, resulting in a sharp increase in the ground capacitive charging current of the transmission network. In order to reduce the rise of system frequency voltage and system insulation level, ensure the safe and reliable operation of the system and the quality of urban power grid supply, parallel reactors widely used in high-voltage, ultra high voltage, and long-distance transmission systems have been widely applied in urban distribution grids.
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In order to improve the power factor of the power system, parallel capacitor banks are usually used to compensate for the reactive power of the power system. In order to limit the current passing through the capacitor bank caused by high-order harmonic currents in the power system and protect the safe operation of the capacitor bank,
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The 6kV, 10kV, and 35kV power grids in the power system generally adopt a neutral point ungrounded operation mode.
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Magnetically adjustable reactor
During the use of frequency converters and speed controllers, they are often subjected to the impact of surge currents and surge voltages, which can seriously damage the performance and service life of the frequency converters and speed controllers.
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KEXIN ELECTRIC
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Tel：+86-023-43333329
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