High Voltage Series Capacitor
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Technical Principle
This high voltage series capacitor is primarily used to enhance the transmission capacity of HV transmission lines (220kV, 500kV, and 750kV etc.) to improve the power angle stability. An FSC is a series capacitance inserted into the transmission line.
- Single-line diagram of series capacitor
- Typical series capacitor project
The series capacitor assists in increasing the transmission capacity. Assuming the compensation degree is 40～50%, the transmission capacity can be enhanced by at least 30%.
Evident increase of power transmission capacity after the SC is inserted in the power transmission corridor