Method for detecting structural change of supply network
A technology for structural changes and power supply networks, applied in electrical components, circuit devices, emergency protection circuit devices, etc., can solve problems such as high cost, poor contact, and stay, to reduce economic losses, low cost characteristics, and improve safety. Effect
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[0022] (1) The overall structure of the system
[0023] The protection of the entire power grid at the same voltage level can be realized by the interrelationship of multiple above-mentioned partial protection systems, from the end of the user's electric energy meter port to the top of the transformer outlet port to fully cover, this pyramid structure It is beneficial to narrow the scope of fault finding and protection action influence.
[0024] The quantity and layout of the local protection system should be reasonably planned according to the wiring situation, the distribution of mutation points in the line, the power distribution situation, and the structural characteristics of 1 in and n out of the system.
[0025] (2) Boundary correlation
[0026] All ports of a local network must use the above port devices without exception to form a completely closed detection and protection range, any omission will make the system unable to operate normally. If there is a single-phas...
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