Frequency Inverter 3 phase VFD VSD

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Product Description:

Specifications

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

General

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

Application

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

Specification

Item
Specification
Input
Input voltage
220/380V±15%
Input frequency
47~63Hz
Output
Output voltage
0~input voltage
Output frequency
0~600Hz
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
output
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
Keypad
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
1.0~10.0kHz
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
QUICK/JOG key
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)
Vibration
Less than 0.5g
Storage temperature
-25°C~+65°C
Installation type
Wall-mounted type, floor cabinet type
Cooling mode
Air-forced cooling

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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.
Q:How can the interference caused by frequency converter be solved?
Isolation of interference: the so-called interference isolation is the separation of the source of interference from the susceptible part from the circuit so that they do not generate electrical contact. Usually in the power supply and controller and transmitter amplifier circuit, in the power line using isolation transformer, so as to avoid conduction interference, power isolation transformer can use noise isolation transformer.
Q:What are the basis of the frequency converter to choose?
1, brand, mainly for cost control2, performance, overload, function, reliability,3, load characteristics, constant torque, square torque or special load (determine the length of the cable of the load motor)4, environmental aspects: temperature, humidity. Altitude.These are the needs of attention when type selection.The last point is the most important, when choosing type, remember that the motor power can not be selected, must be selected in accordance with the motor current.
Q:What is the difference between inverter energy consumption braking and motor energy consumption braking?
Energy consumption braking is to rely solely on the motor to consume kinetic energy to achieve the purpose of parking. Therefore, the braking effect and accuracy are not ideal. In some occasions requiring short braking time and good braking effect, this brake is not normally used. Such as lifting machinery, its operation is characterized by low motor speed, frequent start, stop and reverse, and drag the weight of the operation. In order to achieve accurate and flexible control, the motor is often in a state of braking, and requires large braking torque. The energy consumption brake can not meet the above requirements. Therefore, lifting machinery generally adopts reverse braking, and requires mechanical braking, in case the weight is slipped during running or losing power.
Q:How does the PLC process the inverter output signal?
Frequency converter frequency signal will actually be converted to 4-20mA signal output, access to the PLC AI channel, SIEMENS 200 PLC, some CPU module comes with AI input, but also has a dedicated AI expansion module. What's left is software programming
Q:I would like to ask vector control of the frequency converter, how the motor does not turn. What parameters are set up
Because the dynamic mathematical model of induction motor is a high order, nonlinear and strong coupling multivariable system. In the 70s of last century, SIEMENS Engineer F.Blaschke first proposed asynchronous motor vector control theory to solve the AC motor torque control problem. The basic principle of vector control is achieved through the measurement and control of induction motor stator current vector, according to the principle of field orientation respectively, excitation current and torque current of induction motor control, so as to achieve the purpose of controlling the torque of asynchronous motor. In particular the stator current vector is decomposed into a component of current magnetic field (excitation current) and the torque producing current component (torque) to control respectively, and at the same time to control the amplitude and phase of the two components, namely the control of stator current vector, so that this control method is called vector control mode. In brief, the vector control is to decouple the magnetic flux and the torque, which is beneficial to design the regulator of both of them, so as to realize the high speed control of the AC motor. There are vector control methods based on slip frequency control, speed sensorless vector control method and vector control method with speed sensor. Thus, a three-phase induction motor can be equivalent to a DC motor to control, so as to obtain the same static and dynamic performance as the DC speed regulating system. Vector control algorithm has been widely used in Siemens, AB, GE, Fuji and other international large company frequency converter.
Q:At the base block Yaskawa inverter is what reason?
For example: when you put the inverter to stop, there will be a signal to the inverter, then the converter will base the blockade, cut off the output, the motor will no longer work; when you need a converter work, there will be a signal to the inverter, inverter will cancel the locks on the base, and the normal work,This function is only equivalent to one protection.
Q:What does "frequency" in household appliances mean?
The technology of frequency conversion technology called frequency conversion technology and home appliances in 1970s AC control by changing the frequency of the AC current, household appliances gradually began to appear frequency, electromagnetic cooking device, inverter lighting apparatus, inverter air conditioner, microwave frequency, variable frequency refrigerator, IH (induction heating cooker), inverter washing machine etc.. In the latter half of 1990s, household appliances relied on frequency conversion technology, mainly aiming at high function and power saving. For example, with high speed, high output, good control performance, small light weight, large capacity, high comfort, long life, safe and reliable, mute, power saving and so on.
Q:What's the frequency converter for? What does it look like?
Frequency converter (Variable-frequency, Drive, VFD) is the application of frequency conversion technology and microelectronics 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.
Q:Can the frequency converter speed up?
When the high speed motor is driven by a transducer, the higher the higher harmonic is, the higher the output current value is due to the small reactance of the high speed motor. Therefore, the type selection of frequency converter used in high speed motor is slightly larger than the selection of ordinary motor.And if you want a long cable converter operation, this time to take measures to curb the influence of long cable on the coupling capacitor, to avoid the shortage of inverter output, so in this case, the frequency converter to enlarge the capacity of a file or install the output reactor in the inverter output.And for some special applications, such as high temperature, high altitude, at this time will cause the inverter derating, frequency converter to enlarge the capacity of a block.

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