| Power plant condenser is one of the important equipment, it's safe and economic operation of the safe operation of power plants an important role. In this paper, Variable Condition Condenser computational model is established, and the different parameters on the impact of model of condenser vacuum. Through the establishment of a condenser design performance calculation model and the best vacuum unit calculation model, we obtain different cooling water circulating pump inlet temperature and different combinations of the best run under vacuum, and thus achieve the purpose of saving energy. As 200MW units to Wuhai for an example, different water inlet temperature and different combinations of circulating water pump running under the unit power consumption calculated by the unit at full load range of the best operating mode. For guidance on-site operation has important practical significance. At the same time the Wu hai plant has been a realistic guided.
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