China VFD Variable Frequency Drive 3 phase 380V

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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:What is the main function of the frequency converter on the machine tools?
Where is the difference between soft starter and converter?
Q:What is the difference between frequency converter and servo driver?
The difference between servomotor and frequency conversion motor:Servo system is a closed-loop control system, the inverter usually works in open-loop control, so in terms of speed and accuracy, and can not be compared to the servo drive.The frequency conversion is only one part of the servo, and the servo controls the closed loop precisely on the basis of frequency conversion so as to achieve better results.
Q:What does the brake unit on the inverter mean?
In order to digest this part of the energy, the transducer consumes the energy of the feedback current through the resistor.If the inverter is more advanced, this part of the current can also be sent to the call back network through the controlled rectifier bridge. There's no braking resistance.
Q:What is the difference between SIEMENS inverter and built-in filter?
The filter is used for electromagnetic interference protection. Not only for the protection of electrical equipment, but also for the use of environmental protection. Inverter application environment is very extensive. Industry, light industry, commerce, civil, etc.. So the level of electromagnetic protection is also different.By the way。 If you disconnect the converter. See a coil on a board. That's the built-in filter. If you don't have it, you don't have that coil.
Q:Why does harmonic generator produce harmonic? What's his working principle?
Harmonic generation mechanism of converter outputIn the inverter output loop, the output current signal is a pulse waveform modulated by the PWM carrier signal. For GTR high-power inverter component, the carrier frequency of PWM is 2-3kHz, while the maximum carrier frequency of IGBT high-power inverter component is 15kHz, PWM. Similarly, the output loop current signal can also be decomposed into only the fundamental wave and other harmonics.
Q:How can I control the frequency converter with a computer?
Variable frequency speed control has been applied in the industrial field as the main means of AC motor speed control is very extensive, it has a wide speed range, steady speed and high precision fast dynamic response for a wide range of technical performance and reliable operation, has gradually replaced the DC motor speed control system. There are three main control modes of inverter: 1. through inverter panel operation, that is through the operation panel to change the output frequency and other operating parameters; 2. in the frequency converter analog input 0 ~ 10V or 4 ~ 20mA signal, by changing the size of input analog control of inverter output frequency converter; 3. through communication port (for RS485 control). The first method is generally used for manual adjustment and parameter setting on the spot, and the latter two are mostly used for automatic adjustment and remote control.
Q:Can a power converter be used in a motor with small power?
Yes, the motor will not burn, if it is a small power converter, with large power motor, frequency converter will burn point
Q:How does frequency converter realize variable frequency speed regulation?
The technique of alternating current control by changing the frequency of alternating current is called frequency conversion technology. The frequency converter usually uses the on-off function of the power semiconductor device to change the power frequency power to another frequency energy control device.
Q:Where does the sound of the frequency converter come out?
There is no doubt that the sound we hear is the sound produced by mechanical vibrations. When the inverter is idle, just as upstairs, it says only a slight noise from the fan, but there is a squeal when loaded
Q:What is the frequency converter through function?
Some inverter has this function, such as the ACS800 series has lost power across functions, can be in a temporary loss of power grid when using mechanical transducer can keep running, as long as the rotation of the motor and the inverter to provide energy, although the speed will decrease, but the converter will run normally (power mode), and if the grid connected inverter in the state power grid voltage recovery after the inverter can be immediately put into normal electric state.The undervoltage controller needs to be activated (parameter 20.06).

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