PSTX142-600-70软驱动器议价
PSTX142-600-70软驱动器议价
PSTX142-600-70软驱动器议价
PSTX142-600-70软驱动器说明书
PSTX142-600-70软驱动器线路图
PSTX142-600-70软驱动器引脚功能
PSTX142-600-70电动机属感性负载,电流滞后电压,大多数用电器都属此类。为了提高功率因数须用容性负载来补偿,并电容或用同步电动机补偿。
PSTX142-600-70降低电动机的激磁电流也可提高功率因数(HPS2节能功能,在轻载时降低电压,使激磁电流降低,使COS∮提高)。节能运行模式:轻载时降低电压减少了激磁电流,电机电流分为有功分量和无功分量。
PSTX142-600-70节能运行模式:当电动机负载轻时,软起动器在选择节能功能的状态下,PF开关热拨至Y位,在电流反馈的作用下,正艺软起动器自动降低电动机电压。减少了电动机电 流的励磁分量。
PSTX142-600-70从而提高了电动机的功率因数(COS∮)。(国产软起动器多无此功能)在接触器旁路状态下无法实现此功能。TPF开关提供了节能功能的两种反应时间;正常、慢速。节能运行模式:自动节能运行。正常、慢速两种反应速度)空载节能40%,负载节能5%。
PSTX142-600-70The motor is an inductive load, and the current lags the voltage. Most electrical appliances fall into this category. In order to improve the power factor, capacitive loads must be used to compensate, and capacitors or synchronous motors must be used to compensate.
PSTX142-600-70Reducing the excitation current of the motor can also improve the power factor (HPS2 energy-saving function reduces the voltage at light load, reducing the excitation current and increasing COS∮). Energy-saving operation mode: reducing the voltage at light load reduces the excitation current, and the motor current is divided into active components and reactive components.
PSTX142-600-70Energy-saving operation mode: When the motor load is light and the soft starter selects the energy-saving function, the PF switch is hot-dialed to the Y position. Under the action of current feedback, the Zhengyi soft starter automatically reduces the motor voltage. The excitation component of the motor current is reduced.
PSTX142-600-70Thereby improving the power factor (COS∮) of the motor. (Most domestic soft starters do not have this function) This function cannot be realized when the contactor is in bypass state. The TPF switch provides two response times for the energy-saving function; normal and slow. Energy-saving operation mode: automatic energy-saving operation. Normal and slow response speeds) No-load energy saving 40%, load energy saving 5%.
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