本文首先将供电可靠度分成若干个等级，通过构造电力充足概率来衡量不同的可靠度等级，并以此分摊容量成本。

This paper divides reliability into several priorities, describes gain of loss probability (GOLP) to value different reliability and allocates capability cost.

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为此，必须针对我省设备运行特点，用等风险度法编制合理有效的检修计划，以提高我省的供电可靠性。

Therefor according to characteristics of operation units in Heilongiiang power system, a reasonable and effective repair programme is made by levelling risk method to improve power supply reliability.

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