For the Pearl River Delta region, China Southern Power Grid has constructed a long-distance ultrahigh-voltage hybrid alternating-current/direct-current power grid comprising eight 500-kVAC overhead lines, four high-voltage DC links (±500 kV, 3,000 MW) and one 1,418-km (881-mile) UHVDC link (±800 kV, 5,000 MW), which have, in total, a west-to-east load-transfer capacity of more than 25,000 MW. Therefore, dynamic reactive power demand and voltage stability are paramount to ensuring the supply of electrical energy to this region.
As the electric utility industry is developing rapidly to keep pace with China’s growing economy, there is an increasing demand for high-quality services. CSG’s response is to establish a strategy to provide a source of energy that is intelligent, efficient, reliable and generated by renewable energy sources, that is, green power. See the original feature: China Installs STATCOM