船舶电力系统的中央冷却控制方法

Central cooling control method for power systems

中央冷却系统是船舶电力系统重要的组成部分,因为结构原因目前的中央冷却控制方法均具有非线性大延迟的特点,导致中央冷却控制的快速性和超调量存在一定矛盾。对此重新设计了船舶电力系统的中央冷却控制方法,通过搭建冷却参数模型,确定电力系统主机缸套内部循环管路包括冷却性的相关参数,以此为依据进行仿真控制模拟,以模块化的形式实现中央冷却控制模拟初始化,进行仿真控制,制备PID模糊控制器,预定控制周期,调度控制模拟中三组中央冷却控制阀,调配冷却控制周期的开启和闭合,从而实现对电力系统的中央冷却控制。实验数据表明应用该控制方法在船舶全负荷工况下,冷却控制延迟可以缩减22%,航行工况下冷却控制缩减达到35%,可以有效降低冷却控制延迟。

The central cooling system is an important part of the Marine power system,because of the structure of the current central cooling control methods are nonlinear large delay characteristics,resulting in the central cooling control of the rapidity and overshoot there is a certain contradiction.Have redesigned the cooling in the middle of the ship power system control method,through building cooling parameter model,determine the power system host cylinder liner internal circulation line including cooling parameters,based on the simulation control simulation,to realize central control of cooling in the form of a modular simulation initialization,the simulation control,preparation of PID fuzzy controller,the control cycle,scheduling control simulation of three groups of central cooling control valve,deployment of cooling control opening and closing cycle,so as to realize the central cooling control of power system.The experimental data show that the cooling control delay can be reduced by 22%in the full load condition and 35%in the voyage condition by using this control method,which can effectively reduce the cooling control delay.