从华东电网的发展看跨大区联网的必然性

华东电网建网三十年来，省间隙网发展很快，已成为全国最大的联合电网之一。预测二十一世纪仍有较大发展，但远景发展中面临两大问题：第一，一次能源供应严重不足；第二，电源类型要适应负荷特性的变化。华针对以上问题，本文提出，必要要积极开拓区外来电，发展与资源丰富的地区跨大区联网，输入水电和火电。这对于解决华东电网远景的能源不足，将起到十分重要的作用。

THE NECESSITY OF INTERREGIONAL INTERCONNECTED POWER SYSTEM IN VIEWING OF DEVELOPING EAST CHINA POWER SYSTEM

The provincial interconnected powernetwork developed rapidly during the past thirty yearssince East China powr network has been established. Now East China power network is one of the biggestunion power system and will be continued developingat next century,but it faces two problems at long-range perspective development.The first one is thesupply of primary energy is highly short,the next oneis the types of electricity resource should meet thechanges of load characteristics. In order to solve theproblem of energy source supply shortage at Easl Chi-na power system in future,the authors point out thatinterregional electricity transmission,interconnectionwith the region where exist plenty of energy resource,inputting hydropower and thermopower will play veryimportant roles.