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ABB provides technical support for the world’s highest UHV DC transmission project

The Xinsong Converter Station in Dali has an altitude of 2,350 meters and is the highest UHV converter station in the world. The Xinsong Converter Station is located in the earthquake-prone area, which puts higher requirements on the mechanical performance of electrical equipment. For this reason, ABB has designed the products to meet the demanding seismic requirements.

Relying on abundant hydropower resources, Southwest China is passing a series of large-scale power transmission projects to continuously supply clean electricity to the southern power load center. The 800 kV Northwest-Guangdong UHV DC transmission project built by China Southern Power Grid Corporation was fully operational in May this year. The project starts from Dali Prefecture in Yunnan Province in the west and Shenzhen City in Guangdong Province in the east. It is the first in West Power Transmission. UHV DC project settled in Shenzhen.

ABB provided key power equipment such as tank circuit breakers, column circuit breakers, DC capacitors and transformer bushings for the project, which were installed in Yunnan Xinsong Converter Station and Guangdong Dongfang Converter Station. The Xinsong Converter Station in Dali has an altitude of 2,350 meters and is the highest altitude UHV converter station in the world. The Xinsong Converter Station is located in the earthquake-prone area, which puts higher requirements on the mechanical performance of electrical equipment. For this reason, ABB has designed the products to meet the demanding seismic requirements.

The northwest-Guangdong project has a transmission capacity of 5,000 megawatts and a total length of more than 1,950 kilometers. After the project is put into operation, it will help the Pearl River Delta region to reduce coal consumption by 6 million tons and carbon dioxide emissions by 16 million tons per year, equivalent to 16 million hectares of afforestation.

Zhang Jinquan, head of ABB’s China Power Grid Division, said: “We are pleased to provide China Southern Power Grid Corporation with advanced power technology to help South China use more clean energy and reduce its impact on the environment. ABB’s innovative UHV DC technology will support China’s vast country is transmitting clean power in a larger capacity, more distance, and more efficient and reliable.”

ABB pioneered the application of high-voltage DC technology more than 60 years ago. UHV DC transmission technology has further enhanced HVDC transmission, representing the largest power and efficiency levels for more than two decades. In China, ABB has participated in the construction of several UHV DC transmission projects, and successfully developed and tested the world’s highest voltage rated 1100 kV UHVDC converter transformer, maintaining its leading position in UHV DC transmission.

Source: https://gongkong.ofweek.com/2018-12/ART-310003-8120-30288189.html

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