基于广域量测信息的负荷裕度灵敏度计算新方法

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Abstract A novel method for the loading margin sensitivity analysis is proposed based on wide-area measurement information.With the measurement data from phase measurement units (PMUs),the loading margin of each load bus is on-line calculated.Based on the loading margin,the loading margin sensitivities (LMS),with respect to the active and reactive power of load buses and the voltage of generator buses,are derived to investigate the impact of the changes of loads and generators on the voltage stability.Furthermore,a voltage control strategy based on the proposed loading margin sensitivity is developed to improve the voltage stability of the power system.Finally,simulation results from the New England 39-bus and IEEE 118-bus test systems demonstrate the effectiveness and accuracy of the proposed approach.

Key words： Voltage stability wide-area measurement information loading margin sensitivity

Received: 01 July 2015 Published: 21 November 2016

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TM71

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	Jiang Tao
	Li Xiaojing
	Li Guoqing
	Chen Houhe

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Jiang Tao,Li Xiaojing,Li Guoqing等. A Novel Wide-Area Measurement-Based Approach to Loading Margin Sensitivity Analysis in Power Systems[J]. Transactions of China Electrotechnical Society, 2016, 31(21): 102-113.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I21/102

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