Co-ordinated nonlinear control of TCSC and SVC in power systems
- Resource Type
- Conference
- Authors
- Zhang, C.; Zhou, X.X.; Jiang, L.; Wu, Q.H.
- Source
- POWERCON '98. 1998 International Conference on Power System Technology. Proceedings (Cat. No.98EX151) Power system technology Power System Technology, 1998. Proceedings. POWERCON '98. 1998 International Conference on. 1:338-343 vol.1 1998
- Subject
- Power, Energy and Industry Applications
Components, Circuits, Devices and Systems
Nonlinear control systems
Control systems
Power capacitors
Thyristors
Static VAr compensators
Power system control
Power systems
Power system stability
Voltage control
Power system simulation
- Language
This paper presents a co-ordinated control strategy, based on the disturbances auto-rejection control (DARC) theory, for the control of thyristor controlled series compensators (TCSCs) and static VAr compensators (SVCs) to improve the power angle and voltage stability of power systems. This novel co-ordinated nonlinear controller possesses a simple structure and performs as an adaptive, robust control scheme without requiring precise information of the power system. The controller can be easily designed and practically implemented and it automatically rejects system disturbances under a wide range of operation conditions. A simulation study based on nine-machine and forty-one-bus power system shows that the co-ordinated control can provide satisfactory control performance and improve power system stability greatly.