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Impact of Overspeed Protection Control on Stability for Islanded Power System
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Lin Gao
Veröffentlicht/Copyright:
19. September 2009
Islanded power system can be formed by unexpected electric equipment failure or initiative breaking off of a main system avoiding a whole collapse. Unbalanced power between generation and load may cause an overspeed of the units and trigger the action of Overspeed Protection Controller (OPC) which is mainly designed for a load rejection condition. The mathematic model was built to simulate the islanded system stability with the effect of OPC. The simulation reproduced the power and frequency oscillation as the accidents. The results show a great impact of OPC on the stability of an islanded system. Modified OPC logic was proposed to avoid the oscillation and increase the stability.
Keywords: overspeed control; overspeed protection controller; isolated power system; frequency stability
Published Online: 2009-9-19
©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston
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Schlagwörter für diesen Artikel
overspeed control;
overspeed protection controller;
isolated power system;
frequency stability
Artikel in diesem Heft
- Article
- Reactive Power Optimization Based on Adaptive Immune Algorithm
- Calculation of the Critical Energy of the Power System with Protection Operation
- Advanced Analysis of Clustered Photovoltaic System's Performance Based on the Battery-Integrated Voltage Control Algorithm
- Comparative Study of LEO and GEO SSPS for Some Identified Sites in India
- Output Power Leveling of a Wind Generation System Using Inertia of a Wind Turbine
- Impact of Overspeed Protection Control on Stability for Islanded Power System
- Measurements and Simulations on ELF-EMF Magnetic Field Exposures from Multiple Electric Transmission Lines
- A Neural Approach to Evaluate the Effect of Lightning in Power Transformers
