Strong Smart Grid Crosses Sichuan Earthquake Area

The "5 12" reconstruction effect after the disaster has provided an inexhaustible motive force for the local economic and social development.

After three years of post-disaster reconstruction, the power grid construction in Wenchuan “512” quake-hit area has made gratifying progress. A strong and smart new power grid has provided a steady stream of momentum for post-disaster reconstruction. A few days ago, the reporter went to the earthquake area for an interview.

On May 7th, in the pedestrian street of the new county seat of Beichuan, because "512" is approaching, visitors are much more than usual. Different from other counties, there is no dense "air spider web" and all the wires are in the ground. Because there was no obstruction from the wires, the children happily laid kites on the square with a bright smile on their faces.

In Beichuan Smart Substation, Yang Zitao, the stationmaster, proudly told reporters: “Beichuan Smart Substation has the main power supply in the new county of Beichuan. It is the 'heart' of Beichuan's intelligence,” Yang Zitao pointed to a device on hand and explained. This is a GIS combined device, which is sulfur hexafluoride gas, a total of 12 gas chambers, each chamber has a fiber optic transmission, the collected figures are passed directly to the control room."

This is a microcosm of the construction of Beichuan's new county power grid. In Beichuan, in the disaster-stricken area, Sichuan Power Grid, which was restored after the disaster, is not only stronger but also more intelligent.

Based on the needs of recovery, reconstruction and long-term development of the disaster-hit area, the Sichuan Provincial Electric Power Company compiled and completed the Sichuan Province Electric Power Company's post-earthquake recovery and reconstruction plan in the year of the earthquake. During the three years of restoration and reconstruction, Sichuan Electric Power Company completed a total investment of 14 billion yuan in post-disaster reconstruction, completed and put into operation 27 substations of 35 kilovolts and above, and completed and put into operation of 35 kilovolts and above lines of about 1,200 kilometers, providing power for the power grid in the affected areas. The level of power grid structure and technical equipment partially exceeded the level before the earthquake.

This series of ordinary figures was written by Sichuan Electric Power with hard sweat. “The post-disaster reconstruction is not just a matter of duplication and reconstruction.” For this promise, Sichuan Power Grid has achieved great progress and great development in the three years since the earthquake.

Deyang Mianzhu, which was once the benchmark of Sichuan Province's new rural electrification counties, was hit by a devastating earthquake in Wenchuan. During the earthquake, Mianzhu suffered heavy losses and ranked third in terms of disaster level. In the 21 affected towns and towns in the city, more than 500,000 disaster-affected people were interrupted. Substations, transmission lines, city networks, and rural power grids were all damaged. The grid immediately collapsed... The former “demonstration counties” disappeared.

In August 2009, Sichuan Electric Power Company and Deyang Municipal Government signed a strategic agreement, plans to invest 3.08 billion yuan to support the construction of Deyang Power Grid within three years, fully implement the "Kangqiao Project", and arrange 5.3 billion yuan to support the construction of Mianzhu Power Grid. And transformation, reconstruction Mianzhu electrification county. After reconstruction in the past two years, on May 11, 2010, the reconstruction of the National Electrification County in Mianzhu City was completed on schedule.

Not only in Deyang, but also in Mianyang, in Guangyuan, and in Wenchuan, Sichuan Power Grid continues to increase investment. In the past three years, Sichuan Power Grid has invested nearly 50 billion yuan in total, added 8,072 kilometers of 110 kilovolt and more lines, and added more than 110 kilovolts and more to 362.3 million kVA. In the past three years, Sichuan Power Grid has provided a total of 68.311 billion kilowatt-hours of electricity to the disaster-hit areas, meeting the electricity demand of 50 post-disaster reconstruction industrial parks and 803 towns. Sichuan Power Company reconstructed and built 13 new hydropower transmission passage projects, which protected about 2.55 million kilowatts of Zipingpu and Yingxiu Bay and blocked the transmission of nearly 1 million kilowatts of new hydropower such as hydropower and Shiziping and Liuping. It has accumulatively delivered 33.9 billion kilowatt-hours of electricity to ensure maximum protection of hydropower delivery in Aba Prefecture and other areas, which has strongly promoted economic and social development in the disaster-stricken areas.

Three years is not an end but a new starting point. The 12th Five-Year Plan of Sichuan Power Grid has a total investment of more than 100 billion yuan, 432 110-kV and higher transformer substations, 24,107-kilometer and 110,000-kV and above transmission lines, and a capacity of 107.95 million kVA on an existing basis. "Rebuilding a Sichuan power grid." By the end of 2015, the number of 500 kV substations reached 54 and the line exceeded 16,000 km, making it one of the country's largest provincial grids.

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