• Frequency Inverter Single-phase 380V class 55KW System 1
Frequency Inverter Single-phase 380V class 55KW

Frequency Inverter Single-phase 380V class 55KW

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 pc
Supply Capability:
100000 pc/month

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Specifications

1.220V Single Phase Variable Frequency Drive 2.2KW
2.Advanced control technology
3.Easy to operate


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

 

 

Q:Not to say that the inverter speed is mainly down frequency, how can I see the frequency rise to 60HZ, so that the three-phase motor is not more than the rated speed?
Frequency rising problem of frequency converter;Voltage matching; the rated voltage of the converter is in line with the rated voltage of the load.Current matching; ordinary centrifugal pump, the rated current of the converter is in line with the rated current of the motor. For special loads, such as deep water pumps, it is necessary to refer to the motor performance parameters and determine the current and overload capacity of the inverter with maximum current.Torque matching; this situation may occur when a constant torque load or a deceleration device.
Q:What is the frequency converter AVR?
When the input voltage deviation from the rated value, the function can keep the output voltage constant, so under normal circumstances should be AVR action, especially when the input voltage is higher than the rated value, to protect the motor from excessive voltage caused by long-term insulation damage or high magnetic density caused by excessive heating core.
Q:Is the voltage low? The younger brother is bored to death, no problem with the wire drawing machine, the full load will jump off. Display frequency converter overload and acceleration operation overcurrent. Help me please.
There are only three reasons for the POFF fault: (1) the DC bus voltage detected by the machine is seriously low. (2) lack of phase signal. (3) the voltage level parameter of 220V machine is wrong. [method] use the shift key on the keyboard or the mask to switch the display content to the display bus voltage status.
Q:What do you mean by the capacity of the inverter and the capacity of the motor?
Because the motor consumes active power and consumes reactive power, and the reactive power is also occupied, the motor with 70KW can only be usedThe power is known to everyone
Q:Can 220V use frequency converter to drive three-phase motor with 380V?
If it is a star connection instead of a three phase 220V AC input, will the efficiency of the motor be reduced? Can you achieve the efficiency of the original motor 380V?
Q:Where is the frequency converter used?
In these industries, the use of small and medium power converters more, 220V/380V as its main model. Of course, the auxiliary facilities in these industries still have fans, pumps and inverters, but they don't use much.
Q:The frequency converter is in use suddenly the speed reduces, then the debugging is out of control, how to do?
Among them, overvoltage is the most common phenomenon. After the overvoltage is generated, the inverter will prevent the internal circuit from damaging, and its over-voltage protection function will make the inverter stop running, resulting in the equipment can not work properly. Therefore, measures must be taken to eliminate excessive voltage and prevent the occurrence of faults. As the frequency converter and motor applications are different, the causes of over-voltage are not the same, so we should take appropriate countermeasures according to specific circumstances.
Q:Why does harmonic generator produce harmonic? What's his working principle?
Is the inverter harmonics in converter running, need to input power supply of high power diode rectifier (or transistor / inverter module) of inverter; in the inversion process, the high-order harmonic generation in the input / output circuit; inverter harmonic to the power supply system, load and his nearby electrical equipment interference.
Q:Which country invented the inverter?
There are two kinds of PFC, one is passive PFC (also called passive PFC), and the other is active PFC (also called active PFC). Passive PFC generally uses the inductance compensation method for the phase between the fundamental voltage and current of the AC input is decreased to improve the power factor, but the passive power factor PFC is not very high, can reach 0.7~0.8; PFC by active inductor and capacitor and electronic components, small size, power factor could be very high, but the cost is higher a passive PFC.
Q:What is the difference between a frequency converter and a servo controller?
Servo motor servomotorAutomatic control of micro motor actuator device used for. Executive motor. Its function is to convert electrical signals into angular or angular velocities of rotating shafts.Servo motors are divided into two categories: DC and dc. AC servo motors work in the same way as AC induction motors. Wf excitation winding and control winding WcoWf is connected to a constant AC voltage of two phase space displacement electric angle of 90 degrees on the stator, the change of Wc on AC voltage or phase is applied to achieve the purpose of running motor control. AC servo motor with stable operation, good controllability, fast response, high sensitivity and mechanical properties and nonlinear adjustment characteristic index (strict requirements are less than 10% and less than 15% ~ 15% ~ 25%) etc.. The principle of DC servo motor is the same as that of general DC motor. The motor speed is n

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