0.4kw~500kw Variable frequency drive inverter, AC Drive and Variable Frequency Drive vfd

Items

Specifications

Input

Rated Voltage

Single phase220V, three phase 200V, three phase 380V, three phase 480V; 50Hz/60Hz

Range

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

Output

Rated voltage

0~200V/220V/380V/480V

Frequency range

0Hz~500Hz

Frequency resolution

0.01Hz

Overload ability

150% rated current for1minute, 180% rated current for3 seconds

Control function

Control

function

Modulation modes

Optimized space voltage vector SVPWM modulation

Control mode

Sensorless vector control (with optimal low frequency compensation)

Frequency precision

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%

V/F curve

Five ways: constant torque V/F curve, 1 kind of user defined

V/F curve ,3 kinds of down torque curve(2.0/1.7/1.2times the power)

Acc./Dec. curve

Two ways: linear Acc./Dec., S-curve Acc./Dec.;7 kinds of Acc./Dec. time,

Time unit (minute/second) optional, max. Time: 6000 mins.

DC braking

DC braking start frequency:0~15.00Hz

braking time:0~60.0s      braking current:0~80%

Energy consuming  braking

Below 22KW drive built-in energy consuming braking unit, external braking resistor is optional.

Jog running

Jog frequency range:0.1Hz~50.00Hz, JOG Acc./Dec. time: 0.1~60.0s

PID 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 center frequency adjustable

Auto voltage regulation

Keep a stable voltage automatically when the grid voltage transients

Auto energy saving running

Saving energy by auto optimizing V/F curve according to the load

Auto current limiting

Auto current limiting to prevent frequent over current fault trip

Fixed-length control

Inverter stops when reaches the preset length

Communication

RS485 standard communication port available, support MODBUS communication protocol of ASCII and RTU, master-slave multi-machine interaction function available

Control panel

LED digital display

Display setting frequency, output voltage, output current, etc.

External meter display

Display output frequency, output current, output voltage, etc.

Key lock

All the keys can be locked

Parameter copy

Function code parameters are able to be copied between          inverters when use remote control panel.

Protection function

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

Environment

Environment

Indoors, free from direct sunlight, dust, corrosive gas, oil mist, steam, water dropper salt, etc.

Altitude

Lower than 1000m (derating is necessary above 1000m)

Ambient temperature

-10℃~+40℃

Humidity

<90%RH, no condensation

Vibration

Lower than 5.9m/s  (0.6g)

Storage temperature

-20℃~+60℃

Structure

Protection level

IP20(In the selection of state display unit or the keyboard state)

Cooling

Forced air cooling

Installation

Wall mounted; Floor mounted