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Series capacitive compensation causes sub-synchronous resonance (SSR) problems which results from the interaction between an electrical mode of the series compensated network and the mechanical shaft mode of a turbine generator group. This leads to the turbine generator shaft failure and electrical instability at oscillation frequencies lower than the normal system frequency. In this paper a fuzzy...
The increase in power demand has compelled the power system utilities to use series capacitive compensation in long transmission lines. A problem called sub synchronous resonance (SSR) occurs in long lines because of series compensation. In this paper a flexible a.c. transmission system (FACTS) device is used along with a proposed controller to damp out the sub synchronous oscillations from the system...
This paper deals with the use of fuzzy logic controller (FLC) and proportional integrator and derivative (PID) controller to control static synchronous compensator (STATCOM) which is used for damping oscillations caused by sub synchronous resonance (SSR). The results obtained by both the controllers are compared and it is found that FLC is better controller as compared to PID for controlling STATCOM...
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