铺管船锚机大功率变频电机的控制原理及仿真

Control Principle and Simulation of High Power Variable Frequency Motor of the Windlass on Pipelaying Vessel

国内外浅水铺管船大多采用恒张力锚机来实现对船身的平稳控制,其核心控制技术之一是对非常规高中压大功率变频电机的控制。以拉力为1 100kN恒张力锚机的动力系统为模型,分析该动力系统的工作状态,利用AMESim软件对恒压/频比控制和矢量控制2种控制方式进行建模。以西门子1LA4500-6CV型电机为例,将相关电机参数带入仿真模型,通过对该电机的恒压/频比的仿真调速控制,从而实现了对锚机钢丝绳的恒张力仿真控制。为以后做类似大型工程机械分析提供了一种新的思路。

At present,most of the shallow water pipelaying ship power system take the constant tension anchor machine to achieve smooth control of the hull.One of the key control technology is unusual high-voltage and high-power variable frequency motor control.In this paper,according to pulling force as 1 100 kN of constant tension windlass Power system,by analyzing the working state of shallow water pipelaying vessel of the anchor machine power system,we established a modeled method by using AMESim software for constant voltage/frequency ratio control and vec-tor control on both motors.We use the Siemens 1LA4500-6CV motor as an example,first to take the relevant motor parameters into the simulation model,then to control the motor constant volt-age/frequency ratio of the speed simulation,in the last,we realized the simulation of constant ten-sion control of windlass wire rope.A new method for doing similar mechanical analysis of large-scale projects is given.