Loop-analysis method based linear method for calculating three-phase power distribution network tide
A loop analysis method and power grid technology, applied to AC networks, circuit devices, and AC network circuits with the same frequency from different sources, can solve problems such as large errors, large resource occupation, and slow convergence
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0139] In order to better illustrate the solution of the present invention, the present invention selects three three-phase balanced system calculation examples, a 33-node power distribution system, a 69-node power distribution system and a 210-node medium and low voltage power distribution system. For details, please refer to Wang Shouxiang, Wang Cheng Shan, Analysis of Modern Power Distribution System [M], Beijing: Higher Education Press, 2007:196-202 and 'Li Hongwei, Jin Yong, Zhang Anan, Shen Xia, Jin Xu. An improved hybrid loadflow calculation algorithm for weakly-meshed power distribution system.Int J Electr Power Energy Syst2016; 74:437–45', the corresponding content will not be repeated here, and the calculation results of the aforementioned nonlinear iterative power flow algorithm based on the loop analysis method are selected as a benchmark to define the voltage amplitude error is ΔU k =|U k_loop -U k_linear |(per unit value, p.u.) and angle error Δθ k =|θ k_loop...
Embodiment 2
[0149] In order to verify the effectiveness and feasibility of the proposed algorithm, the present invention also selects three three-phase unbalanced system examples for testing and analysis, namely IEEE 13, IEEE37 and IEEE 123 system examples, for details, please refer to the 'DistributionSystem Analysis Subcommittee .Radialdistribution test feeders[EB / OL]', http: / / ewh.ieee.org / soc / pes / dsacom / testfeeders / index.html', no more details here, among them, IEEE 13 and IEEE 123 systems include Single-phase lines (loads), two-phase lines (loads) and three-phase lines (loads) are mixed distribution network systems. The calculation results of the loop analysis method algorithm are also selected as the benchmark, and the corresponding calculation results are shown in Table 4 (the error comparison table of the power flow calculation results of the unbalanced distribution system example).
[0150]
[0151] Table 4
[0152] It can be seen from Table 4 that for the three calculation ex...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com