china vfd vsd manufacturers single-phase ac frequency inverter 4kw

ITEM

SPECIFICATIONS

Main

Input

Rated voltage and frequency

Single-phase 200V class:  200V-240V,50Hz/60Hz

3-phase 400V class:  380V-480V , 50Hz/60Hz

Allowable value of change

Voltage: 380V-15% ~ 480V+10%;  Frequency: ±15%

Main Output

Output voltage

Maximum output voltage equals to input voltage

Output frequency

0.5 Hz to 400 Hz

Overload capacity

150% of rated output current for 60s, 200% of rated output current for 2s

Control Performance

Modulation mode

3-phase PWM, 2-phase PWM

Control mode

V/f control for constant torque, V/f control for quadratic load, vector control without PG (open loop control),Energy-saving

Setting method of run command

Outer terminal, keyboard panel or serial communication

Setting method of speed command

Analog setting, keyboard, serial communication, UP/DOWN speed setting from external terminal

Speed setting resolution

Keyboard: 0.1 Hz

Analog setting: 0.05/50Hz (10bit)

Speed control precision

V/f control:±2%

vector control without PG (open loop control): ±0.2%

Speed control range

V/f control 1:40

vector control without PG (open loop control)  1:200

Acceleration and Deceleration

Time

0-3200.0s

switching frequency

1.5 kHz ~ 12 kHz, according to junction temperature automatically reduce the switching frequency

Analog Input

Number

2 ways: AI1,AI2

Type

DC voltage or DC current

Maximum input range

AI1: 0 to 5VDC, 0 to 10VDC, 0/4 to 20mA DC receivable

AI2: 0 to 10VDC or PTC probe input receivable

Analog Output

Number

1 way: AO1

Type

DC voltage or DC current

Maximum input range

Voltage output: 0 to 10V, Current output: 0/4 to 20mA

Logic Input

Number

0.75kw-11kW:LI1,LI2,LI3,LI4,AI1,AI2

15kW-500kW:LI,LI2,LI3,LI4,LI5,LI6,LI7,LI8,AI1,AI2

note:2 virtual logic input, capable of configuring AI1 and AI2 into logic input port (positive logic or negative logic)

Type

Source or Sink

Maximum input range

0-24VDC

ITEM

SPECIFICATIONS

Logic Output

Number

0.75kW-11kW: pulse signal output (LO-CLO),relay output 1(T1A,T1B,T1C)

15kW-500kW:pulse signal output(LO-CLO),relay output 1,2(T1A-T1B-T1C,T2A-T2B-T2C)

Pulse Signal Output

OC,output frequency,currentoutput,ect other function

Relay Output

RA-RB-RC, including a NO contact and a NC contact

Maximum switch capacity:

T1A,T1B: 3A at 250VAC, or 4A at 30VDC

T2A,T2B: 2A at 250VAC or 30VDC

Serial Communication Interface

RS485 interface supports Modbus protocol.

Display

4-digit LED Digital Display

For display of frequency setting, output frequency, fault code and parameter setting etc.

Environment

Standard

Development of QD200 series frequency inverters follows strict international standards and relevant recommended IEC and EN standards for control devices, especially IEC/EN61800-5-1 and IEC/EN61800-3.

Altitude

Derating unnecessary when altitude is 1000m or below (Derating necessary at altitude higher than 1000m)

Ambient Environment

0.75kW-11kW: Reliable operation at -10 ~ 50°C without derating. When top protective cover is taken off, the environment temperature can be as high as +50 °C. Above +50 °C, the current drops by 2.2% for each rise of 1 °C in temperature. 15kW-500kW: Reliable operation at -10 ~ 40°C without derating.

Storage: -25 ~ 70°C

Humidity

No condensed water or drip at 5 ~ 95%, In accordance with IEC60068-2-3

Impact Strength

15gn for continuous 11ms, In accordance with IEC/EN60068-2-27

Maximum Antipollution Capacity

Class 2, in accordance with IEC/EN61800-5-1

Structure

Protection Level

Top: IP41 (without removing the protective top cover). Other parts: IP20

Cooling Method

Forced Air cooling

Installation Method

Wall mounted