China VFD Frequency Inverter 3 phase input 3 phase output 220V /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:How does the frequency converter change the voltage and change the speed of the motor?
In reducing the power frequency, the frequency converter must be reduced at the same time the power supply voltage, this is because, for the asynchronous motor, the phase voltage is proportional to the product of frequency and magnetic flux, when the frequency is reduced, if the voltage is constant, the flux will increase, it is easy to cause the magnetic saturation, excitation current surge, causing the motor to burn.The general frequency converter will automatically adjust the output voltage at the same time as the frequency is changed. What do you need to do without additional operation?.
Q:How do you understand the ramp up (descent) time of the inverter? Thank you!
That is, the frequency converter starts from the time it takes to set the upper limit. It can be said to be the acceleration time, which can be set in the parameters of the converter. Then, the deceleration time is just the opposite.
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:What is the traction frequency converter for electric cars?
Safe and reliable power on time sequence control.Motor controller, power, according to certain timing control, otherwise it will cause damage to the controller. When the driver presses the motor controller switch button, motor controller is connected to the vehicle controller switching command closed after the precharge contactor, the battery group through the precharge resistor to capacitor charging slow motor controller, when the motor controller detects the DC bus voltage reaches the rated input voltage of 90%, closed motor controller contactor, and cut off the precharge contactor at this time, the main electric motor controller completely to battery group, completed the main electrical power on the process.
Q:What is the difference between a frequency converter and a servo controller?
The speed of an asynchronous motor is =60f/p.f, the frequency of alternating current, P is the pole, and the logarithm.60 is the number of seconds in a minute. As can be seen from the form, the number of poles has been fixed. The speed of the asynchronous motor is proportional to the frequency of the power supply. The frequency of the asynchronous motor is changed by changing the frequency of the power supply. This is the principle of variable frequency speed regulation
Q:What are the key points of frequency converter maintenance?
(brief introduction of main circuit of frequency converter)The main circuit of the inverter is composed of four parts: input, rectification, filtering and inverting. The three-phase alternating current is converted into DC through rectification and filtering, and then is converted into three-phase alternating current with arbitrary frequency and voltage. Middle DC link capacitor, due to the large capacitance, DC voltage of the main circuit is relatively stable, the resistance is very small, with the characteristic of the voltage source, a voltage type inverter in the speed control system of asynchronous motor, because the motor is inductive, capacitive reactive power at the same time as a buffer storage component.
Q:At the base block Yaskawa inverter is what reason?
Garbage in Yaskawa signal board on the small line contact oxidation, look good, this is a kind of weak signal, and for safety relay is not the safety loop at high levels in a small line short circuit, 1000 Yaskawa A factory is shorted for a long time have blocked the oxidation base
Q:How to deal with the fault Yaskawa inverter GF
See the Yaskawa inverter protection circuit structure, and the other is the same frequency. Over current OL1, OL2 and OL3 fault signals should be current transformers and subsequent current detection and processing circuits and CPUThe fault signals of GF (ground) and OC (load side short circuit) shall be fed directly to the protection circuit of the drive circuit board to feed the CPU. The difference is that at the initial stage of the start-up, the detection module is abnormal, i.e., a fault is reported.If the module is detected in operation, the OC fault is reported. These two kinds of signals, but also revealed such a message: the initial stage, it has not yet established the three-phase output voltage, the load is not running, the actual fault sources should be inverter driving circuit or the IGBT module itself caused by the abnormal, but does not rule out a ground fault load;In operation, there is a very large current, jump OC, the load side of the probability of failure is large, but also over current fault, rather than ground fault. The difference between GF and OC faults and what they mean is really reasonable.
Q:Can not directly through the PLC, ABB converter and Kingview software communication between them?
As long as there are 485 communications can be, the frequency converter manual on the MODBUS protocol, the address of each parameter, in the king view on the link can do, and I hope to adopt.
Q:What does the RUN key on the inverter mean? How do you use it?
When selecting panel operations (when the panel of the inverter is the control source of the inverter), it is the meaning of the "running" button.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. The inverter adjusts the voltage and frequency of the output power by disconnecting the internal IGBT

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