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:Can a power converter be used in a motor with small power?
Large power converter can be used in small power motors, as long as the motor nameplate parameters, in the inverter motor parameters can be set, so that the inverter can provide the right protection.And。 Selection of frequency converter capacity, generally greater than the power of the motor more than one file.
Q:What does Ro1c mean on a converter?
Relay output converter dry contact signal, RO1C is the common end and RO1A is closed, RO1B is normally open, this set of contacts is prepared to run the factory setting output signal, power on self-test is completed can run the relay output signal. It can be modified to the output point of the signal such as fault and operation in the twenty-fourth set of parameters.
Q:What is the over-current of the inverter?
External cause: 1, the motor load mutation caused by excessive impact, resulting in excessive flow. 2, the motor and motor cable phase or insulation damage to each other, resulting in short circuit turns to the ground, resulting in over-current. 3, over-current fault and motor leakage reactance, motor cable coupling reactance, so choose motor cable must be selected according to requirements. 4. Power factor correction capacitor or surge absorption device on the output side of inverter. 5. When the speed feedback signal is lost or abnormal, it will cause excessive flow, and check the encoder and its cable.
Q:What are the contents of frequency converter maintenance?
Operators must be familiar with the basic principles of inverter, functional features, with basic knowledge of electrical operations. Before checking and maintaining the frequency converter, the total power supply of the equipment must be cut off, and the inverter Chang lamp will be completely extinguished.
Q:How about the quality of ABB 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.
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:Frequency converter size selection
Should be able to, in the design of the inverter in consideration of the corresponding motor power matching. Choose a large capacity, a little waste Oh! Our company choose frequency converter is one-to-one correspondence, did not choose the large capacity.
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 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:What is a frequency converter?
Frequency conversion technology is born with the need of AC motor stepless speed regulation. After 1960s, the power electronic devices through SCR (SCR), GTO (gate turn off thyristor (BJT), bipolar power transistor), MOSFET (metal oxide semiconductor field effect transistor), SIT (static induction transistor), SITH (static induction thyristor (MGT), MOS control MCT (MOS) transistor, thyristor controlled), IGBT (insulated gate bipolar transistor), HVIGBT (high voltage insulated gate bipolar transistor) device to update the development process, to promote the continuous development of power electronics technology. The beginning of 1970s, PWM VVVF (PWMVVVF) control has aroused great attention. In 1980s, PWM mode optimization, as the core of frequency conversion technology, attracted people's interest and obtained many optimization models, among which the saddle wave PWM model was the best. Since the latter half of the 1980s, the VVVF inverters in developed countries such as the United States, Japan, Germany, Britain and other developed countries have already been put into the market and have been widely used.

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