China Best Selling VFD Frequency Drive Three 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 does 0L1 stand for?
Overload is excessive load, more than the equipment itself rated load, the phenomenon is that the current is too large, electrical equipment heating, long-term overload of the line will reduce the insulation level of the line, and even burned equipment or lines.
Q:How can I learn the converter well?
If you are engaged in maintenance or after sale, you must know the main circuit diagram of the converter, rectifier, filter, inverter. Some electronic components must know, from the main circuit is frequently such as varistors, charging resistance, pressure resistance, no sense of capacitor, filter capacitor, driving circuit of multiple optocoupler such as 2503503120316, this is referred to as the optocoupler and the role, you must know the pin. Because the maintenance process should always be to determine the quality of the device.
Q:What are the modes of operation of a frequency converter?
Frequency converter with motor no-load operation, 11 set motor power and pole number, to consider the work current of the converter. 21 set the maximum output frequency, frequency and torque characteristics of the inverter. VPf types include items such as maximum frequency, basic frequency and torque type. The highest frequency is the highest frequency that the inverter motor system can operate, because the highest frequency of the inverter itself may be higher, when the highest frequency allowed by the motor is lower than the frequency conversion
Q:What is the difference between frequency converter and UPS?
The obvious difference between the two:1, the former output amplitude and frequency adjustable, the latter output is a single fixed amplitude, frequency;2, the former does not use batteries, and the latter requires batteries.
Q:How does the PLC process the inverter output signal?
1. The analog signals of the converter (such as the 4~20mA signal) are received in the analog input module of the PLC (for example, the EM235 module)2, the input signal processing (32000 digital quantity into 50HZ frequency signal)3. Compare the resulting frequency signals with their own internal settings
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:Why does harmonic generator produce harmonic? What's his working principle?
Harmonic generation mechanism of inverter inputThe main circuit of inverter is composed of AC-DC-AC, external input 380V/50Hz power supply through the three-phase bridge rectifier, a DC voltage, AC voltage by the capacitor filter and high power transistor switching element for variable frequency inverter. In the rectifying circuit, the input current waveform is a rectangular wave irregular waveform, according to Fu Liye series is decomposed into fundamental and harmonics, the harmonic frequency is usually 6N + 1 harmonic, the harmonic interference input power supply system. If the reactance of the supply side is sufficiently small and the commutation overlap angle can be neglected, then the n order harmonic is the 1/n of the fundamental current.
Q:What does "frequency" in household appliances mean?
The air conditioner in Japan is gradually changed from pure PWM control to PWM ten PAM mixed control mode. The speed is controlled by PWM, U / F to maintain; when the speed exceeds a certain value, the system will adjust the fixed at the maximum value near, by changing the DC chopper on duty LL, improve the inverter input DC voltage, so as to keep the inverter output voltage and speed is proportional to the area, said PAM area
Q:What role does input and output reactor play?
The working principle of the reactor: the interference of capacitance and inductance in the circuit to the AC is called reactance. The inductor has the function of restraining the change of the current and the phase shift of the alternating current, and the winding static induction device with inductance is called a reactor. The dead are common reactor used in the power system with series reactor and shunt reactor. Series reactors are mainly used to restrict short circuit currents, and are connected in series with or parallel with capacitors in filters to limit the higher harmonics in the power grid. Reactors in the 220kV, 110kV, 35kV, and 10kV power grids are designed to absorb charging, capacitive, reactive, and reactive power in cable lines. The operating voltage can be adjusted by adjusting the number of shunt reactors.
Q:What does "EPCU" mean in a frequency converter?
This code indicates external signal interference.It is possible that the power line and the signal line are coming together to check that the ground of the converter is ready.If not yet, that can only be considered in the inverter output end of the inverter output filter, or inverter output reactor to try.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.

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