Three-Phase Unbalanced Linear Power Flow Calculation Based on Voltage Magnitude Logarithmic Transformation
The linear power flow calculation method can provide better robustness and higher efficiency for active distribution network analysis and operation regulation. In this paper, a new three-phase unbalanced linear power flow calculation method is proposed. The voltage magnitude of the three-phase power...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
State Grid Energy Research Institute
2022-05-01
|
| Series: | Zhongguo dianli |
| Subjects: | |
| Online Access: | https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202101019 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850053060998463488 |
|---|---|
| author | Hongwei LI Li PAN Lu HAN Mingrui GE |
| author_facet | Hongwei LI Li PAN Lu HAN Mingrui GE |
| author_sort | Hongwei LI |
| collection | DOAJ |
| description | The linear power flow calculation method can provide better robustness and higher efficiency for active distribution network analysis and operation regulation. In this paper, a new three-phase unbalanced linear power flow calculation method is proposed. The voltage magnitude of the three-phase power flow equation is transformed into logarithmic form under polar coordinates. And then a reasonable linear approximation is formed according to the actual characteristics of the three-phase distribution network. The proposed method avoids iterating and can directly calculate the three-phase unbalanced power flow of the radial and weak-loop distribution networks as well as the distribution networks containing PV nodes.The proposed method is tested and compared through an IEEE33 three-phase unbalanced example, and its effectiveness has been verified. |
| format | Article |
| id | doaj-art-1836e05b0ec94e13be1445baae1920ff |
| institution | DOAJ |
| issn | 1004-9649 |
| language | zho |
| publishDate | 2022-05-01 |
| publisher | State Grid Energy Research Institute |
| record_format | Article |
| series | Zhongguo dianli |
| spelling | doaj-art-1836e05b0ec94e13be1445baae1920ff2025-08-20T02:52:38ZzhoState Grid Energy Research InstituteZhongguo dianli1004-96492022-05-0155514314810.11930/j.issn.1004-9649.202101019zgdl-55-05-lihongweiThree-Phase Unbalanced Linear Power Flow Calculation Based on Voltage Magnitude Logarithmic TransformationHongwei LI0Li PAN1Lu HAN2Mingrui GE3School of Electrical Engineering and Information, Southwest Petroleum University, Chengdu 610500, ChinaSchool of Electrical Engineering and Information, Southwest Petroleum University, Chengdu 610500, ChinaSchool of Electrical Engineering and Information, Southwest Petroleum University, Chengdu 610500, ChinaSchool of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, ChinaThe linear power flow calculation method can provide better robustness and higher efficiency for active distribution network analysis and operation regulation. In this paper, a new three-phase unbalanced linear power flow calculation method is proposed. The voltage magnitude of the three-phase power flow equation is transformed into logarithmic form under polar coordinates. And then a reasonable linear approximation is formed according to the actual characteristics of the three-phase distribution network. The proposed method avoids iterating and can directly calculate the three-phase unbalanced power flow of the radial and weak-loop distribution networks as well as the distribution networks containing PV nodes.The proposed method is tested and compared through an IEEE33 three-phase unbalanced example, and its effectiveness has been verified.https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202101019linear power flowthree-phase unbalanceddistribution networkvoltage magnitude logarithmic transformation |
| spellingShingle | Hongwei LI Li PAN Lu HAN Mingrui GE Three-Phase Unbalanced Linear Power Flow Calculation Based on Voltage Magnitude Logarithmic Transformation Zhongguo dianli linear power flow three-phase unbalanced distribution network voltage magnitude logarithmic transformation |
| title | Three-Phase Unbalanced Linear Power Flow Calculation Based on Voltage Magnitude Logarithmic Transformation |
| title_full | Three-Phase Unbalanced Linear Power Flow Calculation Based on Voltage Magnitude Logarithmic Transformation |
| title_fullStr | Three-Phase Unbalanced Linear Power Flow Calculation Based on Voltage Magnitude Logarithmic Transformation |
| title_full_unstemmed | Three-Phase Unbalanced Linear Power Flow Calculation Based on Voltage Magnitude Logarithmic Transformation |
| title_short | Three-Phase Unbalanced Linear Power Flow Calculation Based on Voltage Magnitude Logarithmic Transformation |
| title_sort | three phase unbalanced linear power flow calculation based on voltage magnitude logarithmic transformation |
| topic | linear power flow three-phase unbalanced distribution network voltage magnitude logarithmic transformation |
| url | https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202101019 |
| work_keys_str_mv | AT hongweili threephaseunbalancedlinearpowerflowcalculationbasedonvoltagemagnitudelogarithmictransformation AT lipan threephaseunbalancedlinearpowerflowcalculationbasedonvoltagemagnitudelogarithmictransformation AT luhan threephaseunbalancedlinearpowerflowcalculationbasedonvoltagemagnitudelogarithmictransformation AT mingruige threephaseunbalancedlinearpowerflowcalculationbasedonvoltagemagnitudelogarithmictransformation |