Transient time-domain analysis method and system for multi-core multilayer cables
By combining the MTL and TL algorithms with the FDTD algorithm, a hierarchical analysis of multi-core, multi-layer cables is performed, which solves the problem of low simulation efficiency in existing technologies and achieves efficient transient time-domain analysis.
CN116629058BActive Publication Date: 2026-06-30ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD
- Filing Date
- 2023-05-23
- Publication Date
- 2026-06-30
Smart Images
Figure CN116629058B_ABST
Abstract
This application provides a transient time-domain analysis method and system for multi-core, multi-layer cables. The method includes: acquiring simulation parameters of the multi-core, multi-layer cable; calculating the simulation parameters using the MTL algorithm to obtain a first calculation result; and calculating the first calculation result and simulation parameters using the TL algorithm to obtain a second calculation result. This application designs a novel transient time-domain analysis scheme, specifically for multi-core, multi-layer cables. First, the FDTD algorithm is used to calculate the simulation parameters in the multi-core, multi-layer cable. Then, the MTL algorithm is used to analyze the conductors in the multi-core, multi-layer cable. Finally, the TL algorithm is used to analyze the sub-conductors within the conductors, achieving strong coupling between the FDTD, MTL, and TL algorithms. This significantly improves the overall transient simulation efficiency of multi-core, multi-layer cables while ensuring simulation accuracy.
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