论文部分内容阅读
近几年,甘肃省的缺电局面越来越严重,分析其原因,除了用户产品结构的严重扭曲和失调外,从电力工业自身讲,主要是基建投资少,影响了电力建设.自1980年至今,全省仅增加装机容量20万kw,只增长了7.1%,而同期全省的用电量却增长了31.4%,致使电力供需矛盾日趋尖锐.此外在省内黄河上的三座水电站除刘家峡有41.5亿m~3的不完全年调节库容外,其他两座水电站均为日调节库容,枯水期出力低.该三座水电站总装机169.2万kw,枯水期保证出力只有63.6万kW,枯水期系统内水、火电合计保证出力仅能达到128.8万kW,在这种情况下,只得考虑由外省购入电力.如果水资源的调配得当,枯水期可能做到少限电,如果水的调配稍有失当,就会形成严重限电局面,给自身效益和社会效益均造成严重损失.
In recent years, Gansu Province, the power shortage situation is more and more serious, analyze the reasons, in addition to the user product structure serious distortions and disorders, the power industry itself, mainly due to less capital investment, affecting the power construction. So far, the province only increased installed capacity of 200,000 kw, an increase of only 7.1%, while the province’s electricity consumption increased by 31.4% over the same period, resulting in increasingly acute contradiction between supply and demand.In addition, the Yellow River in the province of the three hydropower stations in addition to Liujiaxia has 4.15 billion m3 of incomplete annual regulation of storage capacity, the other two hydropower stations are daily regulation of storage capacity, low dry output. The total installed capacity of the three hydropower station 1,692,000 kw, dry period guaranteed output of only 636,000 kW, dry season system In this case, only consider buying power from other provinces. If the deployment of water resources properly, dry season may be less electricity, if the deployment of water a little improper, It will form a serious power shortage situation, to their own benefits and social benefits have caused serious losses.