Abstract
Best Input—Location Pair Selection for SSR Damping Controller in DFIG Based Wind Farms
Highlights
T HE growth of wind power technology is tremendous, and the integration of large scale wind energy into the grid has become more critical
The performance of the Supplementary Damping Controller (SDC) for damping Synchronous Resonance (SSR) oscillations in Doubly-Fed Induction Generator (DFIG) based wind farms highly depends on its Input Control Signal (ICS)-location pair selected
This paper proposes a strategy for selecting the best location and best input control signal for the supplementary damping controller based on Right Half Plane Zero (RHPZ) plots, Relative Gain Array (RGA) method and Henkel Singular Value (HSV) analysis
Summary
T HE growth of wind power technology is tremendous, and the integration of large scale wind energy into the grid has become more critical. This requires the upgradation of transmission line infrastructure to keep pace with wind power generation. DFIG based techniques are most commonly used in wind generation due to the capability of power system damping control for improving rotor angle stability, providing flexible voltage and active power control. The studies presented in [3] and the references therein have shown that series compensation is the cost-effective solution to improve the power transfer capability and reliability of an existing transmission system rather than constructing new transmission lines. One of the major factors deterring the extensive usage of capacitive compensation with capacitor banks is the potential risk of Sub-Synchronous Oscillation (SSO) due to electromechanical interactions of DFIG shaft system with other power system components [4]
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