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Discharge coil


The discharge coil is used to connect with high-voltage parallel capacitors in the power system, allowing the remaining charge of the capacitor bank to be quickly discharged after being cut off from the power system. Therefore, installing discharge coils is a necessary technical safety measure for parallel capacitors in substations, which can effectively prevent overvoltage and overcurrent that endanger equipment safety when the capacitor bank is closed again due to the fact that the capacitor still carries charge, and ensure the safety of maintenance personnel. It can be equipped with secondary windings for line monitoring, monitoring, and secondary protection.

Voltage transformer


Voltage transformer, abbreviated as PT, is an instrument that converts high voltage on the primary side into low voltage on the secondary side based on the principle of electromagnetic induction for measurement. This series of voltage transformers is a single-phase epoxy resin cast insulation fully enclosed product, suitable for power systems with rated frequencies of 50Hz or 60Hz and rated voltages of 3kV, 6kV, and 10kV where the neutral point is not effectively grounded. They are used for energy metering, voltage monitoring, and relay protection. This product complies with relevant national standards.

Current transformer


The principle of current transformer is an instrument that converts a large primary current into a small secondary current based on the principle of electromagnetic induction for measurement. This series of current transformers is a single epoxy resin cast insulated fully enclosed pillar type product, suitable for power systems with rated frequencies of 50Hz or 60Hz, rated voltages of 10kV and below, used for energy metering, current monitoring, and relay protection. This product complies with relevant national standards.
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