一、介绍 在工业化国家中,由于电力系统的高度发展,很少有村落远离于电网之外。但在其他国家,几乎有一半的人口在等待电力,尤其是农村地区。为实施农村电气化,必须在电网扩张和采用独立系统实现分散性农村电气化之间作出选择。由于庞大的资金需求,电网覆盖只能在长远的时间段 I. INTRODUCTION In industrialized countries, due to the high level of power system development, few villages are far away from the power grid. However, in other countries, almost half of the population is waiting for electricity, especially in rural areas. In order to implement electrification in rural areas, choices must be made between the expansion of power grids and the use of independent systems to achieve decentralized rural electrification. Due to the huge capital requirements, grid coverage can only be in the long term