摘要
根据主机负荷及海水进口温度确定系统所需总海水流量,采用变流变压控制策略计算得到所需扬程及泵组轴功率最小时的转速比,转速比变化范围由变频器效率和水泵效率决定.分析证明,本控制策略降低系统能耗效果显著.
According to the load of main engine and the temperature of seawater inlet,this paper determines the total seawater flow required by the system,and calculates the required lift and the speed ratio of the pump set when the shaft power is the smallest by using the control strategy of variable flow pressure. The range of the speed ratio is determined by the efficiency of the frequency converter and the efficiency of the pump. The analysis shows that the control strategy can reduce the energy consumption of the system remarkably.
引文
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