Three-phase line flows calculation for distribution automation by Z BUS distribution factor

Wei-Tzer Huang, Shiuan Tai Chen, Kai-chao Yao, Chun Ching Wu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

A new sensitivity factor which is called ZBUS distribution factor (ZBDF) to calculate active and reactive three-phase line flows for distribution automation is proposed in this paper. This method is associated with both the changes of individual phase-active and-reactive power injection at each bus into the three-phase real and reactive power line flows. Hence, the proposed ZBDF reflects load changes to the line flows, while the loading conditions change from the base case loads. Accordingly, the existing implicit ZBUS Gauss method is applied to solve for the base case three-phase power flow (TPPF). Based on the power flow solutions, the ZBUS matrix, the primitive line impedance, and the changes of the individual phase-active and-reactive power at each bus, the three-phase line flows for distribution automation are determined accurately and rapidly from the presented method without any iteration. Finally, a sample system is used to verify the developed approach. The numerical simulation results demonstrate that the proposed method not only provides high-speed computation, but also can be applied to distribution automation.

Original languageEnglish
Title of host publication3rd International Conference on Innovative Computing Information and Control, ICICIC'08
DOIs
Publication statusPublished - 2008 Sep 30
Event3rd International Conference on Innovative Computing Information and Control, ICICIC'08 - Dalian, Liaoning, China
Duration: 2008 Jun 182008 Jun 20

Other

Other3rd International Conference on Innovative Computing Information and Control, ICICIC'08
CountryChina
CityDalian, Liaoning
Period08-06-1808-06-20

Fingerprint

Reactive power
Automation
Computer simulation

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Software
  • Control and Systems Engineering

Cite this

Huang, W-T., Chen, S. T., Yao, K., & Wu, C. C. (2008). Three-phase line flows calculation for distribution automation by Z BUS distribution factor. In 3rd International Conference on Innovative Computing Information and Control, ICICIC'08 [4603354] https://doi.org/10.1109/ICICIC.2008.578
Huang, Wei-Tzer ; Chen, Shiuan Tai ; Yao, Kai-chao ; Wu, Chun Ching. / Three-phase line flows calculation for distribution automation by Z BUS distribution factor. 3rd International Conference on Innovative Computing Information and Control, ICICIC'08. 2008.
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Huang, W-T, Chen, ST, Yao, K & Wu, CC 2008, Three-phase line flows calculation for distribution automation by Z BUS distribution factor. in 3rd International Conference on Innovative Computing Information and Control, ICICIC'08., 4603354, 3rd International Conference on Innovative Computing Information and Control, ICICIC'08, Dalian, Liaoning, China, 08-06-18. https://doi.org/10.1109/ICICIC.2008.578

Three-phase line flows calculation for distribution automation by Z BUS distribution factor. / Huang, Wei-Tzer; Chen, Shiuan Tai; Yao, Kai-chao; Wu, Chun Ching.

3rd International Conference on Innovative Computing Information and Control, ICICIC'08. 2008. 4603354.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - A new sensitivity factor which is called ZBUS distribution factor (ZBDF) to calculate active and reactive three-phase line flows for distribution automation is proposed in this paper. This method is associated with both the changes of individual phase-active and-reactive power injection at each bus into the three-phase real and reactive power line flows. Hence, the proposed ZBDF reflects load changes to the line flows, while the loading conditions change from the base case loads. Accordingly, the existing implicit ZBUS Gauss method is applied to solve for the base case three-phase power flow (TPPF). Based on the power flow solutions, the ZBUS matrix, the primitive line impedance, and the changes of the individual phase-active and-reactive power at each bus, the three-phase line flows for distribution automation are determined accurately and rapidly from the presented method without any iteration. Finally, a sample system is used to verify the developed approach. The numerical simulation results demonstrate that the proposed method not only provides high-speed computation, but also can be applied to distribution automation.

AB - A new sensitivity factor which is called ZBUS distribution factor (ZBDF) to calculate active and reactive three-phase line flows for distribution automation is proposed in this paper. This method is associated with both the changes of individual phase-active and-reactive power injection at each bus into the three-phase real and reactive power line flows. Hence, the proposed ZBDF reflects load changes to the line flows, while the loading conditions change from the base case loads. Accordingly, the existing implicit ZBUS Gauss method is applied to solve for the base case three-phase power flow (TPPF). Based on the power flow solutions, the ZBUS matrix, the primitive line impedance, and the changes of the individual phase-active and-reactive power at each bus, the three-phase line flows for distribution automation are determined accurately and rapidly from the presented method without any iteration. Finally, a sample system is used to verify the developed approach. The numerical simulation results demonstrate that the proposed method not only provides high-speed computation, but also can be applied to distribution automation.

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Huang W-T, Chen ST, Yao K, Wu CC. Three-phase line flows calculation for distribution automation by Z BUS distribution factor. In 3rd International Conference on Innovative Computing Information and Control, ICICIC'08. 2008. 4603354 https://doi.org/10.1109/ICICIC.2008.578