Through comparison among direct starting, conventional reduced voltage starting and electronics starter, this thesis described starting mode, run mode and application location of soft starter. 对电动机的直接起动、传统降压起动方式、起动方式进行对比,介绍了软起动器的起动模式、运行模式及适用场合。
Improvement of Y-△ Reduced-voltage Starting Main Circuit Y-△降压起动主电路的改进
This article compares reduced voltage starting of cage asynchronous motor, analyzes the common problems of Y-A reduced voltage starting circuit and puts forwards the solving strategy. 本文对笼式异步电动机降压起动的比较,分析了常见Y-△降压起动电路起动时存在的问题,并提出了解决的对策。
Fundamental principles, indices of performances and circuit structures of reduced voltage starting through thyristors are described in the paper. 介绍晶闸管降压起动的基本原理、性能指标及其电路结构。
Then the model is applied to simulate the direct start-up process, the reduced voltage starting process and the starting process with series resistance in the armature circuit. 据此仿真模型,进行了并励直流电动机的直接起动、降压起动、电枢回路串电阻起动的实例仿真实验,给出了有关仿真结果。