PI7800 ac drives
mechanics, electronics, metallurgy, mining, petrochemical, transportation, building materials, municipal, metal processing, textile, printing and dyeing, paper making, Injection machine, central air conditioning, numerical control machine tool, air-compressor, fan and pump, blower, air conditioner for large buildings; wastewater treatment system; water supply system for large buildings; public water supply system and other industries and fields.
Brief Introduction
New PI7800 Family inverter supplies the more comprehensive motor control solution to you. It employs the advanced technology of PWM control and vector control, high performance power module and DSP control. It is with internal current loop to realize high precision of close loop control and reach the stability and precision of current and frequency. Completely new manufacture technique and test equipment ensures the better stability and reliability of the product.Stable /Compact/ Goodly
IV.Characteristic:
1.Nvel structure design
2.Complete upgrade of the software
3.Optimized production technique
4.Mature test equipment
Medium Voltage Frequency inverter(PI7800G6)
1.using DSP(digital signal processor) as the core control unit ,achieve optimal SPWM control technology
2.intergrate V/F control, V/F+PG control, vector control +PG control, three methods for space voltage vector waveform generating
3.slip compensation function make stable operation of the motor.
4.built-in automatic torque compensation function ,torque control function make constant torque operation of the motor
5.ten ways to set the frequency ,analog terminals can receive customized signals within the range of 0 ~ 10V, 0 ~ 20mA
6.achieve up to seven sections of the speed and eight acceleration control, built-in PID function enable high-performance closed-loop control
7.support 0~10v, 1~5v, 0~20mA, 4~20mA feedback signal
8.revolving speed tracking start and recover running after instant power-off function
9.fowerful communication capabilities to support standard RS485 and can bus, meanwhile offer remote keyboard control function
10.humanized menu, highlighted LED display simultaneous display of three groups of state parameters
11. Unique design minimize the pollution of drives to power supply
V.Power range : 11-630kw frequency range :0-800HZ
VI.Voltage : three phase 220V-690v