Automatic identification method for electromechanical transient instability mode
The present invention provides an automatic identification method for an electromechanical transient instability mode. The electromechanical transient instability mode comprises a power angle instability mode and a voltage instability mode. The method comprises the steps of: analyzing and accounting...
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Format | Patent |
Language | English |
Published |
06.01.2016
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Abstract | The present invention provides an automatic identification method for an electromechanical transient instability mode. The electromechanical transient instability mode comprises a power angle instability mode and a voltage instability mode. The method comprises the steps of: analyzing and accounting network structures; determining whether a system is in a power angle stable state and a voltage stable state; identifying an oscillation center section and a low voltage load region; and determining an area corresponding to the power angle instability mode and the voltage instability mode. According to the method of the present invention, a property difference among actual different power grids are taken into full consideration and are well integrated, and a simple and practical method is provided from a relatively complex theoretical research result; and characteristics of actual high-voltage grids are taken into full consideration, so that the method has relatively wide adaptability to the high-voltage grids with different structures. |
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AbstractList | The present invention provides an automatic identification method for an electromechanical transient instability mode. The electromechanical transient instability mode comprises a power angle instability mode and a voltage instability mode. The method comprises the steps of: analyzing and accounting network structures; determining whether a system is in a power angle stable state and a voltage stable state; identifying an oscillation center section and a low voltage load region; and determining an area corresponding to the power angle instability mode and the voltage instability mode. According to the method of the present invention, a property difference among actual different power grids are taken into full consideration and are well integrated, and a simple and practical method is provided from a relatively complex theoretical research result; and characteristics of actual high-voltage grids are taken into full consideration, so that the method has relatively wide adaptability to the high-voltage grids with different structures. |
Author | WANG HONGFU XU PENGFEI DONG YIFENG ZHONG WUZHI DU SANEN ZHANG ZHIQIANG HOU JUNXIAN WANG YI ZHANG HAISHUN FENG JING YANG XUETAO |
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RelatedCompanies | STATE GRID ZHEJIANG ELECTRIC POWER COMPANY STATE GRID CORPORATION OF CHINA CHINA ELECTRIC POWER RESEARCH INSTITUTE |
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Snippet | The present invention provides an automatic identification method for an electromechanical transient instability mode. The electromechanical transient... |
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Title | Automatic identification method for electromechanical transient instability mode |
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