Research on Application of Series Capacitor Compensation in 35kV Distribution Network

This paper introduces the principle of series compensation technology in distribution network, and analyzes the topology structure and application advantages of fixed series capacitance compensation device. Taking the design of the series compensation device for 35kV in Linlang station as an example, the capacity selection of the series compensation device are introduced. The voltage, line loss and voltage fluctuation rate with and without series compensation device are compared. Besides, the economic benefits of the series compensation device are described. The engineering example further validates that the series compensation technology is an effective method to improve the transmission power of the line, enhance the stability of the system, and improve the voltage quality of the line. Therefore, the series compensation technology has great advantages in the 35kV distribution network.