1.软启动器工作原理--简介 Working principle of 1. soft starter -- Brief Introduction 软启动器是一种集电机软起动、软停车、轻载节能和多种保护功能于一体的新颖电机控制装置，国外称为Soft Starter。它的主要构成是串接于电源与被控电机之间的三相反并联晶闸管及其电子控制电路。运用不同的方法，控制三相反并联晶闸管的导通角，使被控电机的输入电压按不同的要求而变化，就可实现不同的功能。 Soft starter is a new motor control device, which integrates soft start of motor, soft stop, light load, energy saving and various protection functions. It is called Soft Starter abroad. Its main structure is a three-phase anti parallel thyristor connected to the power supply and the controlled motor and its electronic control circuit. Different methods are adopted to control the conduction angle of the three-phase anti parallel thyristor, so that the input voltage of the controlled motor varies according to different requirements, and different functions can be realized. 2.软启动器工作原理--启动方式 Working principle of 2. soft starter -- starting mode 软起动器是一种集电机软起动、软停车、轻载节能和多种保护功能于一体的新颖电机控制装置，国内软起动器以和平hps2系列软起动器最为有名，它的主要构成是串接于电源与被控电机之间的三相反并联闸管及其电子控制电路。软启动器一般有下面几种启动方式： The soft starter is a kind of novel control equipment of motor soft start, soft stop, light load energy-saving and various protection functions in one of the domestic soft starter in peace hps2 series soft starter is most famous, and the main structure is connected in series between the power supply and the controlled motor three opposite parallel thyristor and its electronic control circuit. Soft starter generally have the following boot mode: (1)斜坡恒流软启动; (1) constant current soft start of slope; (2)斜坡升压软启动; (2) ramp soft start up; (3)阶跃启动; (3) step start; (4)脉冲冲击启动。 (4) pulse shock starting.

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