China best selling VFD Frequency Drive 3 phase 380V 55KW

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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:Ask, what is the ratio of frequency converter?
Rotating main potentiometer, respectively, to see the three frequency converter F1.00 parameters, keyboard digital display reference input, follow potentiometer changes, and the proportion of 1:1.5:2. Rotate three trimmer potentiometers respectively, and the reference input of the corresponding converter has little change.
Q:Why does harmonic generator produce harmonic? What's his working principle?
The working principle of the inverter is the first AC into DC, because the alternating current is not directly change its frequency, according to the parameter setting of the machine, and then the DC into AC power, and then drag to load.
Q:Can a power converter be used in a motor with small power?
If it is overloaded with constant torque, the vector control or DTC, then not power motor inverter below 1/4, otherwise the inverter to motor "modeling" is not accurate, easy to control and protection of the disorder is not perfect.
Q:Frequency converter OC alarm, what's the matter?
The frequency at which the OC fault occurs in all faults of the inverter may be the highest and the most frequent. In the process of starting the alarm, in the process of stopping the alarm, alarm in operation, so that power on the alert, and even with other fault codes or currentIndirectly tell you that there is a OC fault in this inverter!
Q:How can I learn the converter well?
Frequency converter training teacher suggested: Theory + practice combinedTheory: understand the frequency converter each parameter meaning, the frequency changer principle, the control way, the instruction manual, the approximate operation, knows how the matterPractice: combined with some special requirements of practice to do the debugging, this needs the accumulation of experience
Q:Hello everyone, I was doing fine tuning, ask inverter carved machine always ranging from the time jump out ah?
Has the frequency converter been used for a long time? The inverter power placed on the two day, and then open, put the line inside the head plug again, and then boot general can solve the problem, new don't try
Q:How do two inverters synchronize?
Use a potentiometer to control which one is in front. Which of the following uses synchronization to track speed and position?. (a PLC (or a special control panel) + position sensor (can be a variety of proximity switch + CAM) two, there must be a little better, by rotating the transcoder, can also be used for phase control of motor position relative to the strict requirements).
Q:Why does the frequency converter cause interference?
(a) PE converter main circuit terminals (E, G) must be grounded, the motor can be grounded and the inverter with the common ground, but not with other equipment, must play ground pile, and the ground should take place far away from electrical equipment. At the same time, the cross-sectional area of the grounding wire of the converter shall be no less than 4mm2, and the length shall be within 20m.(b) in the ground wire of other electromechanical equipment, the protective earthing and the work earthing shall be separately provided with grounding electrodes, and finally shall be imported to the electrical position of the distribution cabinet. The shield of the control signal and the shielding of the main circuit wire shall also be separately provided with earth electrodes, and finally shall be incorporated into the electrical junction of the distribution cabinet.
Q:Does anyone know how to solve the problem of frequency converter interference?
Solution of interference caused by inductive coupling:The control circuit using shielding line, when connected to the control line and the inverter, the shielding layer can not only be grounded, one end connected to the transducer signal terminal can pay attention to public, regardless of whether the public or end shield grounding, only in the end, and can not be connected at both ends.
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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