Metal grounding principle-based single phase arc light overvoltage limiting device
A technology of limiting device and metal grounding, applied in the field of electric power, which can solve the problems of arrester explosion, transmission overvoltage, fusing and so on.
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[0045] The present invention will be further described in conjunction with the following examples:
[0046] The present invention is a single-phase arc overvoltage limiting device based on the principle of metal grounding, which includes a monitoring module and a limiting device, the monitoring module includes a performance evaluation unit, a network selection unit and a network optimization unit, and the limiting device includes a high-voltage isolation switch BD -1. Primary harmonic elimination device GDQ-2, intelligent controller GDM-3, voltage transformer PT-4 with auxiliary secondary winding, high-voltage current-limiting fuse assembly FU-5, high-voltage vacuum contact with phase separation control Device JZ-6 and three-phase combined overvoltage protector GDB-7.
[0047] Preferably, the monitoring module uses a wireless sensor network to monitor the operation of the power grid in real time, and the wireless sensor network uses the zigbee protocol for data communication; ...
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