Series capacitors for safe power supply to the Beijing area FACTS Two series capacitors each rated at 372 Mvar supplied by ABB are in operation in the North China Power Group´s 500 kV power transmission network west of Beijing. The purpose of the installation is to enhance the power transmission capability and availability of this 500 kV grid, essential for safe energy supply to the country´s capital. The series capa citors came on line

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