China VFD Frequency Inverter

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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	Input frequency	47~63Hz
Output	Output voltage	0~input voltage
Output	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, 1.7^th power, 2.0^th 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

Q: What is the main function of the frequency converter on the machine tools?: The following example to three inverter in the application of the note for example!CNC machine tool is a kind of flexible and efficient automatic machine tool. It can solve the complicated, precise and small batch processing problem. It is very important to improve the machining accuracy and efficiency of CNC machine tools by rationally controlling the spindle of NC machine tools.

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: There is a feed and send system. Now due to the severity of the material is not the same as the two converters often change speed, the workers do not understand their own, often by, often bad now how to use the best way you can use a potentiometer or other method, control of the two frequency converter, synchronous operation. Is to adjust one, and the other also with the kind of frequency, so that you can let the workers themselves to open, and the two inverters, the same manufacturer, the same model, the same load,: Two start with frequency conversion. The frequency converter is controlled by a potentiometer, and the analog output signal (AO.GND) is sent into the converter and connected to the AI.GND port of the converter. If the pulse port can also be connected to the pulse port.

Q: What is called vector converter?: The vector converter technology is based on the DQ axis theory. Its basic idea is to decompose the current of the motor into D axis current and Q axis current, among which DVector converter

Q: What are the differences between the two quadrant and the four quadrant of the inverter?: For a motor alone, the so-called four quadrant refers to its operating mechanical characteristics curve, on the mathematical axis of the four quadrants can run. The first quadrant is in the positive electric state, the second quadrant feedback braking state, the third quadrant reversing electric state, and the fourth quadrant reverse braking state. A frequency converter that makes the motor work in the four quadrant is called the four quadrant converter.

Q: The difference between soft starter and converter: The soft starter is during the start-up of the equipment to take blood pressure or other ways to reduce the starting current of the inverter machine, the device is in operation according to the equipment load by changing the size of the power frequency and regulating equipment output.

Q: What are the benefits of installing economizer in industrial enterprises?: Frequency converter is a device that regulates the speed of an electric motor by adjusting the output frequency:1. The frequency converter can only reduce the motor speed by reducing the power supply frequency. The application environment is limited and the automatic control function is not available. It can not be used in many load changing occasions;Have a lot of 2 odd harmonics, frequency converter operation, it will seriously affect other equipment life and efficiency, at the same time use but also affect other precision control of the equipment in the factory, such as computer, automatic control system, monitoring system and so on;3 、 frequency converter serial access to the customer's low-voltage power system, the power supply of the customer security risks.

Q: The frequency converter works with sharp noises. What's the process of converting electrical energy into mechanical energy?. The mechanism of sound making. Thank you: 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.

Q: Frequency converter OC alarm, what's the matter?: I guess the original intention of the inverter circuit designer is this: when the power test module has broken down, or the operation of the module endangering the safety of the module, even the module has been damaged, it will promptly report the OC fault. The cause is generally a load side, a short circuit or a heavy loadThe load causes excessive overcurrent, or over current or even short circuit due to bad drive or damage of the module itself.

Q: How to choose frequency converter?: 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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