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Featured researches published by Liu Keyan.


international conference on electrical machines and systems | 2005

Research on parallel algorithm of DC optimal power flow in large interconnection power grids

Liu Keyan; Sheng Wanxing; Li Yunhua

This paper investigated an optimal method of optimal power flow in large interconnected power grids. A decomposition collaborative model based on partial duality is analyzed, and a parallel algorithm based on DC optimal power flow model is presented in multi-region decomposition of interconnected power grids. The OPF computation of large power grid is decomposed into subproblems of multi regions, which is a quadratic programming problem used to solve a DC optimal power flow. The optimal convergence condition of multi-region is discussed. The interchange information among regions is export price and boundary nodal bus phase angle. The IEEE RTS-96 with two and three interconnected regions is studied to illustrate the effect of the proposed approach and to prove a great future in interconnected power system


Archive | 2013

Optimal power flow optimization method of distributed power supplies

Liu Keyan; Cheng Sheng; Sheng Wanxing; Liu Yongmei


Archive | 2013

Reactive power optimization method of power distribution network

Sheng Wanxing; Liu Keyan; Jia Dongli; Meng Xiaoli; Hu Lijuan; He Kaiyuan; Ye Xueshun; Diao Yinglong; Tang Jiangang; Li Yajie; Dong Weijie


Archive | 2015

Quick traversing power distribution network reconstruction method for improving distributed power supply permeability

Liu Keyan; He Kaiyuan; Jia Dongli; Hu Lijuan; Ye Xueshun; Diao Yinglong; Tang Jiangang; Zhu Junpeng; Song Shan; Gu Wei; Nie Yinghui


Archive | 2015

Multi-network-combined home microgrid electric-energy consumption interactive management system and method thereof

Sheng Wanxing; Liu Keyan; Jia Dongli; Meng Xiaoli; Wang Shouxiang; Fan Xiguang; Sheng Ye; Ye Zhijun


Archive | 2015

Distribution type parallel load flow calculation method based on hierarchical clustering automatic partition

Liu Keyan; Sheng Wanxing; Liu Yongmei


Archive | 2014

Distribution network static voltage stability probability assessment method based on two-point estimating method

Hu Lijuan; Liu Keyan; Sheng Wanxing; Meng Xiaoli; Jia Dongli; He Kaiyuan; Cheng Sheng


Archive | 2015

Method for predicting operational reliability of power distribution network based on ARIMA model

Diao Yinglong; Liu Keyan; Meng Xiaoli; Sheng Wanxing; He Kaiyuan; Jia Dongli; Hu Lijuan; Ye Xueshun; Tang Jiangang; Sun Yong; Zhang Shidong; Shao Zhimin; Li Jianxiu; Zhang Linli; Liu Hejin; Li Lisheng


Archive | 2014

Three-phase imbalance three-phase imbalance method for power distribution network with distributed power supplies

Liu Keyan; He Kaiyuan; Sheng Wanxing


Archive | 2013

Distributed parallel solving method for reactive power optimization of power system

Liu Keyan; Sheng Wanxing

Collaboration


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Sheng Wanxing

Electric Power Research Institute

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Jia Dongli

Electric Power Research Institute

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He Kaiyuan

Electric Power Research Institute

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Meng Xiaoli

Electric Power Research Institute

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Diao Yinglong

Electric Power Research Institute

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Ye Xueshun

Electric Power Research Institute

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Dong Weijie

Electric Power Research Institute

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Li Yajie

Electric Power Research Institute

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Li Jianxiu

Electric Power Research Institute

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Song Xiaohui

Electric Power Research Institute

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