Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

1 Current Grid StatusWith the continuous deepening of rural power grid transformation, the health level of rural grid equipment is constantly improving, and power supply reliability basically meets user needs. However, regarding the current grid status, due to funding constraints, ring networks have not been implemented, dual power supplies are unavailable, and lines adopt a single radial tree-like power supply method. This resembles a tree trunk with many branches—meaning the lines have numerou

1. IntroductionIn recent years, with the steady and rapid development of the national economy, electricity demand has grown significantly. In rural power grids, the continuous increase in load, combined with irrational distribution of local power sources and limited voltage regulation capabilities in the main grid, has resulted in a considerable number of 10 kV long feeders—particularly in remote mountainous areas or regions with weak grid structures—whose supply radius exceeds national standard