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Hengqin Guangdong-Macao in-depth cooperation zone power grid achieves "self-healing" full coverage

 Last Update: 2021-09-30
 Source: Internet
 Author: User

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According to statistics from China Southern Power Grid Guangdong Company, in the first half of 2021, the average power outage time for users in the Hengqin Guangdong-Macao Deep Cooperation Zone was only 3.
67 seconds per household
.

Through the construction of the new power grid project and the adoption of new technologies such as "dual-chain loop grid" wiring, the Hengqin Guangdong-Macao Deep Cooperation Zone has achieved full coverage of the "self-healing" power grid, and its rapid power recovery capability reaches the "millisecond level", which is a great contribution to the local economy and society.

The so-called "self-healing" refers to the "auto-healing" after the power supply line fails
.

That is, the power grid system can automatically determine the fault and isolate the faulty section of the line, and at the same time realize the automatic transfer of the non-faulty section of the line to the normal power source and restore the power supply

At present, China Southern Power Grid has planned and constructed a 220kV direct-down 20kV power grid structure in the Hengqin Guangdong-Macao Deep Cooperation Zone, and innovatively adopted the "double-chain loop network" at the level of the 20kV power distribution network.

"Grid" wiring realizes full coverage of the "self-healing" function of the distribution network

According to statistics from China Southern Power Grid, in the first half of 2021, the average power outage time for users in the Hengqin Guangdong-Macao Deep Cooperation Zone was only 3.

67 seconds per household, reaching the world's top level; the rapid power recovery capability reached "millisecond level", realizing customer insensitivity Resume

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