Motor speed control 0.75kw to 630kw high frequency ac 3 phase inverters

Items

Specifications

Input

Rated Voltage

Single phase 220V, three phase 200V, three phase 380V; 50Hz/60Hz

Range

Voltage: ±20% voltage unbalance rate:<3%; frequency: ±5%

Output

Rated voltage

0~ 200V/220V/380V

Frequency range

0Hz~ 500Hz

Control mode

V/F, Sensor less vector and Closed loop vector control

Overload ability

150% rated current for1minute, 180% rated current for 3 seconds

Control function

Modulation modes

Optimized space voltage vector SVPWM modulation

Frequency accuracy

Digital setting:  The highest frequency×± 0.01% Analog setting: The highest frequency ×±0.2%

Frequency resolution

Digital setting: 0.01Hz; Analog setting: The highest frequency× 0.1%

Start frequency

0.40Hz~ 20.00Hz

Torque boost

Auto torque boost, manual torque boost 0.1%~30.0%

PI built-in

Easily constitute a close loop control system

Multi-stage speed  running

Multi-stage speed running available through built-in PLC or control terminals

Textile swing frequency

Swing frequency available with preset and central frequency adjustable

Auto voltage regulation

Keep a stable voltage automatically when the grid voltage transients

Multi pumps control

With water supply card, the function can implement multi pumps constant pressure water supply

Communication

4 field bus: Modbus , Profibus , CANlink , CANopen

Running

function

Running command channel

Control panel :  control terminal :serial port :3 channels switchable

Switch input channel

FWD/REV command: 8channels programmable switch inputs, 35kinds of function can be set separately

Analog input channel

4~20mA: 0-10V: 2 optional analog inputs

Analog output channel

4~20mA or 0~10V optional, setting frequency and output

frequency ,etc feature output

Switch/pulse output channel

2 channels Programmable open collectors output, 2 channels relays output, 1 channel 0~20KHz pulse output

Protection function

Overcurrent protection:overvoltage protection:undervoltage protection:overheating  protection: overload protection, etc.