4000Hz 3 Phase Variable Frequency Drive VF Control 3 Level Inverter

Items

Specification

Control

mode

Control mode

V/F control

Sensorless Vector control 1

Sensorless Vector control 2

Close loop vector control

Starting torque

1Hz 150%

0.5Hz 150%

0.25Hz 150%

180% under 0Hz

Speed adjust range

**

1:50

1:200

1:500

speed stabilizing
precision

±0.1%

±0.3%

±0.05%

±0.02%

Torque precision

NO

NO

Yes

Yes

Motor type

General induction motor,permanent magnet synchronous motor (PMSM)

Function

design

Output volage

3 electric level with low harmonic

Highest frequency

General vector control :400Hz V/f control:4000Hz

frequency resolution

Digital setting: 0.01Hz analog setting: maximum×0.025%

carrier frequency

0.5K～16KHz, the carrier frequency can be adjust by temperature automatically

Frequency reference setting method

Digital of Control panel, analog AI1, AI2, potentionmeter of control panel, UP/DN control, communication, PLC pulse frequency

Accel./decel. characteristic

Linear curve and S curve accel. /decel. mode, range of time: 0.0 to 65000S.

V/F curve

3 mode: linear, multiple points, N Power

V/F separation

2 times separation: totally separation, half separation

DC braking

DC braking frequency: 0.0 to 300Hz, DC braking current: 0.0% to 100%

Braking unit

Built in braking unit up to 15kw, optional is 18.5kw to 75kw, external built in for above 93kw.

Jog function

Job frequency range: 0.0 to 50.0Hz, the accel. and decel. time of Jog

Configuration PID

Easy to perform pressure, flow, temperature close loop control

PLC multiple speed

To achieve 16 segment speed running through built in PLC or terminal control

Common Dc bus *

Multiple inverters use one DC bus for energy balance.

Auto voltage regulation (AVR)

Enable to keep output voltage constant when grid fluctuation

Over load tolerance capability

G type model: 150% rated current for 60s, 180% rated current for 2s,
P type Model: 120% rated current for 60s, 150% rated current for 3s.

stall control when over current, over voltage

Carry out limiting automation for running current, voltage to prevent over current, over voltage frequently

Fast current limit function

minimize the IGBT module broken to protect the inverter, maximum reduce the over current fault.

Torque limit and torque control

"Excavator" characteristics , torque limit automatically during motor running. Torque control is available in close loop vector control mode.

Items

Specification

features

friendly interface

Display Hello when power on.

Multiple function key MK.F button

It can set for Forward Jog, reverse Jog, forward/reverse switch

Timing control function

A total running time and total running time calculating

Motor over heat protection

Accepting motor temperature sensor signal input via AI1 terminals.

Command source

Control panel, control terminals, series communication, switch freely.

Frequency source

Digital setting, analog current/voltage, pulse setting, serial communication, main and auxiliary combination.

Protection function

Short circuit detect after power on, input/output phase missing, over voltage, over current, under voltage, over heat, over load protection.

Environment

Application site

Indoor, free of exposure to sunlight, no dusty, no corrosive, no inflammable gas, no oil and water vapor, and water dipping

Altitude

Lower 1000m

environment temperature

-10℃～+40℃, power derated for 40～50℃, rated current derated 1% for 1℃increasing.

Humidity

Less than 95%, no water condense.

Storage

-40～+70℃