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随着城乡经济发展,人民生活水平的提高,电网建设与改造已成为国家和地方十分重视的一个大问题。国家和各地方决心在世纪末的三年内均要投入巨资用以建设和改造目前使用的电网。而对电表的需求也随之加大。 以北京地区为例:老的四合院和旧楼均是一院或一层共用一个电表,大多是3～5A的电表,电线负荷低,电表容量小,已严重影响居民生活的改善和提高,人民群众对电网改造呼声十分高涨。最近北京供电部门已
With the economic development in urban and rural areas and the improvement of the people’s living standards, the construction and transformation of power grids has become a major issue that the state and local governments attach great importance to. The country and local governments are determined to invest huge sums of money in the three years to the end of the century to build and transform the current grid. The demand for electricity meters has also increased. Take the Beijing area as an example: The old courtyard houses and the old buildings are all in the same yard or one electricity meter. Most of them are electric meters of 3 to 5A. The load of the electric wires is low, and the electric meter capacity is small. This has seriously affected the improvement and improvement of the residents’ lives. The voice of the people on the power grid is very high. Recently the Beijing Power Supply Department has