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| A Novel Static Synchronous Series Compensator Control Strategy for Improving the Dynamic Performance of Power Systems |
| Wu Jiekang1, Jiang Cheng2, Zhang Jianhua2, Shang Jingfu2, Zhu Xingyang2 |
| 1. Guangdong University of Technology Guangzhou 510006 China 2. North China Electric Power University Beijing 102206 China |
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Abstract Static synchronous series compensator(SSSC) is capable of fast power flow control, and choosing advanced control strategy is crucial for achieving the function. In this paper the mathematical model is presented for SSSC in a synchronously rotating d-q frame by using Park’s transformation, in which the inverter loss and the dynamic regulating process of the DC link capacitor voltage are considered. And the decoupling strategy for d-q axes based on partial states feedback is proposed, meanwhile the control strategy for transimssion line active power and DC link capacitor voltage are proposed. The mathematical model of the SSSC and the simulation model of control system are built in the Matlab/Simulink dynamic simulation platform. A studying example for simulating the regulating process of transmission line active power and DC link capacitor voltage and the transient stabilization is carried out to illustrate the flexibility, adaptability and feasibility of the proposed method and models.
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Received: 04 August 2009
Published: 10 March 2014
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2011, Vol. 26 
