National Changhua University of Education Institutional Repository : Item 987654321/13818
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题名: New Network Sensitivity-Based Approach for Real-Time Complex Power Flow Calculation
作者: Huang, Wei-Tzer;Yao, Kai-Chao
贡献者: 工業教育與技術學系
日期: 2012-02
上传时间: 2012-08-27T10:58:42Z
出版者: The Institution of Engineering and Technology
摘要: This study proposes a novel network sensitivity-based approach to solving complex power flow calculation problems in real time. A new sensitivity factor, named Jacobian-based distribution factor (JBDF), is used for the calculation of active and reactive power flow in transmission systems. It is derived from the Jacobian matrix of the base case Newton–Raphson power flow solution, and kept constant during real-time line flow calculation. Unlike well-known distribution factors, such as generation shift distribution factor (GSDF), generalised generation shift distribution factor (GGDF) and Z-bus distribution factor (ZBD), this approach reflects changes in complex injection power. Changes in load conditions from base case loads, with either conforming or non-conforming changes in complex power in each bus, can be used to rapidly compute active and reactive power flow without iterations. The proposed approach was tested on IEEE 14-Bus and 30-Bus systems. Numerical results demonstrate that the proposed approach is not only superior to previous distribution factors, but also compares favourably with the Newton–Raphson power flow method. It is well suited to real-time applications in steady-state security control and optimal dispatch.
關聯: IET Generation Transmission & Distribution, 6(2): 109-120
显示于类别:[工業教育與技術學系] 期刊論文

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