Frequency Inverter VFD

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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:What is the upper and lower limit of the environmental temperature to ensure the normal operation of the inverter?
General environment temperature: inverter is an electronic device, containing electronic components, electrolytic capacitors, etc., so the temperature has a greater impact on its life. The environment of general inverter operating temperature of ~+50 DEG C - General requirements, if it can reduce the operation temperature of inverter, prolongs the service life of the transducer, stable performance. So heat dissipation is very important.
Q:How to check the frequency converter is there a problem?
Excessive temperatureIn addition there are high temperature transducer fault, such as the occurrence of a high temperature alarm, after checking the temperature sensor is normal, may be caused by the disturbance, faults can be shielded, also should check the ventilation fan and inverter. For other types of failures, it is better to contact manufacturers for quick and feasible solutions.
Q:How to deal with the fault Yaskawa inverter GF
This problem most likely. While G7 or F7 are generally Holzer Holzer sensor, sensor due to temperature. The influence of environmental factors such as humidity, work is easy to drift, to report "GF", another reason may be: E2-01 improper setting may also reported GF fault.
Q:How about the quality of ABB converter?
You can't do anything like this! Dust will fall on the circuit board and cause short circuit of the component. The same humidity.Suggest to strengthen the protection level of cabinet. But heat must be taken into account. Or make an independent electrical room. Install air-conditioning. As God offered!
Q:What is the difference between inverter energy consumption braking and motor energy consumption braking?
When the motor is disconnected from the power supply, in order to make the motor stop quickly, using the power control method in motor power supply coupled with the normal operation of power supply phase at this time, the direction of rotation of the rotation direction of the motor rotor and the motor rotating magnetic field in electromagnetic force at the moment is generated by the motor brake torque, motor speed reducer. Using the Q switch voltage at both ends of the armature is disconnected from the power grid, and it will immediately receive a braking resistor RL, at this time, the main magnetic field in the motor armature remains unchanged, the cause inertia continues to rotate the torque braking torque, the motor speed down, until the stop.
Q:Which country invented the inverter?
There are two kinds of PFC, one is passive PFC (also called passive PFC), and the other is active PFC (also called active PFC). Passive PFC generally uses the inductance compensation method for the phase between the fundamental voltage and current of the AC input is decreased to improve the power factor, but the passive power factor PFC is not very high, can reach 0.7~0.8; PFC by active inductor and capacitor and electronic components, small size, power factor could be very high, but the cost is higher a passive PFC.
Q:Does the number of inverter settings differ from the number of motor poles, and does it affect the use?
The influence of the inverter on the motor control model, in addition to the speed difference, basically does not affect much
Q:What role does input and output reactor play?
The working principle of frequency converter:Normally, a device that changes the alternating current of voltage and frequency to a voltage or frequency variable alternating current is called a frequency converter". The device must first convert three-phase or single-phase AC to direct current (DC). Then the direct current (DC) is converted to three-phase or single-phase alternating current (AC). The frequency converter changes the output frequency and voltage at the same time, that is to change the N0 on the motor running curve, so that the motor running curve is parallel and downward. Therefore, the frequency converter can make the motor start with a smaller starting current to obtain a larger starting torque, that is, the frequency converter can start heavy load, and the inverter has the basic functions of voltage regulation, frequency modulation, voltage regulation, speed regulation and other basic functions
Q:How do two inverters synchronize?
One potentiometer is used to control one of the inverters, and then the analog output of the inverter is used to control another inverter, and a potentiometer is added to the middle of the converter to adjust the proportion.
Q:Synchronous operation of two inverters,
What kind of communication mode does the frequency converter support? Generally speaking, it is more accurate to communicate by means of synchronization. Expensive。The main transformer potentiometer, from the analog frequency converter, may be 1, the lag will be greater than 2, analog may have a larger error, 3, analog may be subject to interference. The cheapest。You can also use synchronous controller, analog input, the two roads as the same analog, cheaper, more reliable synchronization, may be disturbed.

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