Full name of the project：Zhangbei Renewable Energy Flexible DC Power Grid Test Demonstration Project
1. Basic information of the project
a) Voltage level: ± 500kV
b) Production date: June 2020
c) Serving the Green Winter Olympics project and providing 100% green electricity for the Beijing Winter Olympics; The world's first four terminal flexible DC power grid that delivers large-scale wind power, photovoltaic, pumped storage and other energy sources, creating 12 world firsts
2. Bid winning situation
1) Number of winning bids
36 specifications and models, 12059 composite insulators, including
Pillar FZSW - ± 500/30（ φ 219) 698 pieces
2) Installation position
a) Zhangbei Station Converter Valve Insulator and DC Circuit Breaker Insulator
b) Beijing Station Converter Valve Insulator and DC Circuit Breaker Insulator
1. Basic information of the projecta) Voltage level: ± 420kVb) Production date: July 2019c) At that time, the flexible DC transmission project with the highest voltage level and largest transmission capacity in the world solved the instability problem of the 500 kV cross regional long chain power g
1. Basic information of the projecta) Voltage level: ± 500kVb) Production date: June 2020c) Serving the Green Winter Olympics project and providing 100% green electricity for the Beijing Winter Olympics; The world's first four terminal flexible DC power grid that delivers large-scale wind power
1. Basic information of the projecta) Voltage level: ± 800kVb) Production date: December 2020c) The first national demonstration project for ultra-high voltage multi terminal DC, the world's first ultra-high voltage flexible DC project, and currently, the world's voltageThe highest level an
