Two straight ultra-high pressure approved construction began to honor

Two straight ultra-high pressure approved construction began to honor

Recently, the State Grid Corporation of China has started to pay for the construction of two UHV projects this year. The total investment is nearly 100 billion yuan. According to a few informed sources, the Huainan-Nanjing-Shanghai exchange UHV (Northern Ring Road) was approved by state agencies on April 16 to start the “big road”.

Industry experts believe that the DC UHV is expected to be even stronger, and the Ningdong DC line is likely to be approved next.

An expert who has participated in several circuit assessments told reporters that the Huai'nan Nanjing Shanghai Exchange UHV North Loop is currently the more controversial project, and also the first line approved for construction during the year. The approval of this line will be enhanced. Line construction is expected.

At present, the State Grid Corporation of China guarantees that the first two high-voltage UHV lines to be started during the year are: Huainan-Nanjing-Shanghai, Ya'an-Wuhan Exchange Project; Ningdong-Zhejiang, Jiuquan-Hunan DC Project. Today, one of the most controversial exchange projects has been approved and honored.

Analysts in the industry stated that the approval of the exchange of UHV lines will usher in an ice-breaking journey for domestic UHV construction. The next line that is expected to be approved will be the Ningdong DC UHV project. The immersion of DC UHV construction has been a long time. In 2013, no DC line was approved to start construction.

According to the above analysts, the Ningdong DC UHV line is currently affected slightly by the impact of the power supply at the sending point, but it will not hinder the construction plan for UHV DC and in-network AC lines this year.

State Grid Corporation of China DC project construction work will be proposed this year to ensure that the Ningdong-Zhejiang UHV DC project starts in the second quarter, and the Jiuquan-Hunan UHV DC project starts in the fourth quarter.

In the domestic UHV construction, Pinggao Electric, China West Electric, and TBEA were the main beneficiaries. Pinggao Electric's GIS has a market share of about 45%; China West's GIS separation and main transformer market share are about 30%; TBEA's main transformer market share is about 40%.

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