China Best Selling VFD Variable Frequency Drive Three Phase 380V

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Product Description:


1.220V Single Phase Variable Frequency Drive 2.2KW
2.Advanced control technology
3.Easy to operate

    220V Single  Phase Variable Frequency Drive 2.2KW




CNBM  frequency  inverter is a high-quality, multi-function,

low-noise variable frequency drive which is designed, developed and manufactured according to international standards.

It can meet different needs of industrial conditions.

The inverter applies advanced control technology of space voltage vector PWM, with functions of constant voltage control, power-off restart, dead zone compensation, automatic torque compensation, online modification parameter, high-speed impulse input, simple PLC and traverse.



Product Name:CMAX-VCG15/P18.5T3 ~ CMAX-VCG18.5/P22T3





Textile: coarse spinner, spinning frame, wrap-knitting machine, loom, knitting machine, silk-spinning machine, etc.


Plastic: extruder, hauling machine, decorating machine, etc.


Pharmacy: mixer, roaster, etc.


Woodworking: engraving machine, sander, veneer peeling lathe, etc.


Papermaking: single type papermaking machine, etc.


Machine tool: non-core grinding machine, optical lens grinding machine, cutting mill, etc.


Printing: cloth-washing machine, dye vat, etc.


Cement: feeder, air blower, rotary furnace, mixer, crusher, etc


Fan and pump: kinds of fans, blowers and pumps







Input voltage


Input frequency



Output voltage

0~input voltage

Output frequency


Peripheral interface characteristics

Programmable digital input

4 switch input, 1 high-speed impulse input

Programmable analog input

AI1: 0~10V input

AI2: 0~10V input or 0~20mA input,

Programmable open collector


2 Output

(3.7kW and above: 1 Open collector output)

Relay Output

1 Output (3.7kW and above: 2 Relay output)

Analog output

2 Output, one is 0~10V,

another is 0~20mA or 0~10V


Display:5-digit 8-section LED (Red), 2 indicators; parameter setting: 8 keys (including multi-function hot key ), 1 potentiometer

Technical performance characteristics

Control mode

All digital space voltage vector SVPWM algorism

Overload capacity

G purpose: 150% rated current 60s

P purpose: 120% rated current 60s

Speed ratio

1: 100

Carrier frequency


Torque compensation

Linear, multi-point, 1.3th power, 1.7th  power, 2.0th power reduced torque; Compensation voltage range: automatic compensation and manual compensation 0.1~10%

Automatic voltage adjustment

It can automatically maintain output voltage constant when grid voltage fluctuates.

Automatic current adjustment

When the current is over current limit, under clocking automatically limits output current.

Function characteristics

Frequency setting mode

Keypad digital analog input, keypad potentiometer, impulse frequency, communication, multi-step speed and simple PLC, PID setting and so on, switch-over of setting modes.

Simple PLC,

multi-step speed control

16-step speed control

Special function

Traverse control, length control, time control


User-defined multi-function hot key

Protection function

Over-current, Over voltage, under-voltage, over-heat, phase failure, over-load and motor over-load

Working condition

Installation site

Indoor, altitude of less than 1km, dust free, non-corrosive gases, no direct sunlight

Application environment

-10°C~+40°C, 20~90%RH (no dew)


Less than 0.5g

Storage temperature


Installation type

Wall-mounted type, floor cabinet type

Cooling mode

Air-forced cooling



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Q:When the inverter is running at full 50HZ, the output voltage decreases and the output current becomes smaller. What is the reason?
However, when the frequency is raised, the current will decrease if the load is not large, especially when the motor is idle. The magnitude of the current is determined by the load. If you can add some load, you will see the current rise. Speaking of principles, can be understood as the motor is a big inductance, when the power frequency increases, the motor impedance Z will become larger, the impedance is large, the voltage is constant, the flow of the current will naturally be small,
Q:What are the precautions for frequency converter wiring installation?
First understand the instructions, do not take the control line wrong, power line into the wire outlet is connected, you can debug it
Q:How to solve the interference problem of frequency converter?
In your description of the problem, the patrol instrument shows that there has been a disturbance, then it shows that the patrol meter itself has been greatly disturbed and the work is out of order! If you can't add these two options, you can only change the test scenario.
Q:How can I learn the converter well?
Frequency converter this thing, in fact, still very practical, so can go to customers to install and debug, is a shortcut to quickly learn the frequency converter. In the installation of debugging, you can take time to read several times the frequency converter manual, and if you can discuss with technical support, I believe you will soon enter the role.
Q:Application of ABB frequency converter
What are the differences between PWM and PAM?PWM is English Pulse Width Modulation (pulse width modulation), according to the law must change the pulse of the pulse width in a tone adjustment output and waveform.PAM is the abbreviation of Pulse Amplitude Modulation (pulse amplitude modulation) in English. It is a modulation way to change the pulse amplitude of pulse column according to a certain rule to regulate the output value and waveform.
Q:What does a frequency converter do?
What is the difference between a voltage type and an electric current type?The main circuit of the inverter can be divided into two categories: voltage is DC voltage source converter for AC inverter, the DC circuit is the filter capacitor current is DC converter; current source for AC inverter, the DC circuit filter inductance stone.
Q:What is the main harmonic produced by a transducer? How about the degree?
The main hazards are:(1) the possibility of resonance in the power grid is increased, thereby causing high overvoltages or overvoltages to cause the risk of accidents.(2) increasing additional losses, efficiency of transmission and electrical equipment, and utilization of equipment.(3) make the electrical equipment (rotating motor, capacitor, transformer, etc.) run abnormally, accelerate the insulation aging, and shorten their service life.
Q:How does the frequency converter fit the brake unit and the brake resistor?!
The kinetic energy of the motor shaft are much different. The load on the motor shaft, the kinetic energy is different, for example, motor used in cranes, in addition to the kinetic energy, potential energy and objects, should add up to the shaft of the motor, the energy will be consumed in the resistance.
Q:What does the RUN key on the inverter mean? How do you use it?
According to the actual needs of the motor to provide the required power supply voltage, and then to achieve energy saving, speed control purposes, in addition, there are many inverter protection functions, such as over-current, overvoltage, overload protection, etc.. With the continuous improvement of the degree of industrial automation, inverter has also been widely used.
Q:Frequency converter, fault, contact action
Frequency converter is the application of frequency conversion technology and micro electronics technology, by changing the power supply frequency of the motor to control AC motor power control equipment. The frequency converter is mainly composed of rectifier (AC DC converter), filter, inverter (DC AC converter), brake unit, drive unit, detection unit, micro processing unit and so on. Inverter by internal IGBT drive voltage and frequency off to adjust the output power, the power supply voltage required to provide according to the actual needs of the motor, so as to achieve the purpose of speed, energy saving, in addition, there are a lot of protection drive, such as over-current, over-voltage, overload protection and so on. With the continuous improvement of the degree of industrial automation, inverter has also been widely used.

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