| Automatic generation control (AGC) can stable the network voltage and make good effect on region difference control. It can also improve the whole electricity quality. The hydro-power unit become the best choice of AGC running for it's rapid startup and agility regulation. But it also bring some important questions which affect the safety and economy running of the units, such as frequency regulation, long running with low loads, electric equipment and assistant equipment friction, oil wasting etc. The text apply differential increcent rate of equilateral discharge to analyze deeply the economy of hydro-power plant according to the practice data of the plant, putting forward the resolvation, providing indeed the theoretic feasibility investigation of engineering . |
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