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Factory VFD AC 220V 380V 690V 3-Phase Drive Frequency Inverter for AC Motor

This 3-phase drive frequency inverter features advanced technology and is used in the control and speed regulation of various AC motors. It is able to control the start and stop process of the motor accurately, provide a smooth acceleration and deceleration curve, and effectively extend the service life of the motor. It can easily set the soft start parameter through its intelligent LCD display and monitor the running status of the motor.

SKU: 18.5KW Category:

$69.00

Main features

High-intelligent LCD screen
Customers can set soft start values such as current, voltage and power through easy button keys and menu windows with smooth interfaces and easy-to-understand operations.

Input and output ports
With a red copper chrome-plated appearance, it’s of high electrical conductivity and it’s highly reliable and safe to employ.

18 sets of terminal blocks
Rich input and output interfaces, detailed markings, meet different application requirements, simple and convenient operation.

Multi-hole axial fan
Strict wind pressure and hole design to dissipate heat greatly improve the efficiency of heat dissipation and the soft starter’s normal operating condition.

Application-programmable protection function
Provides overall protection functions, like input phase loss, output phase loss, overheating of the soft starter, phase sequence protection, overoperation, starting overcurrent, etc., for ensuring the safety of the equipment.

Flexibility in wire options
Supports 380/220V ±15% input voltage range, 0-400Hz frequency range, can meet the control demands of different industrial motors.

Flexible input and output design
Provides 7 digital input terminals, supports ON/OFF input, 1 terminal supports high-speed pulse input; 2 relay output terminals; 2 analog output terminals (optional 0/4-20mA or 0-10V).

Product standard specifications

Table1 main technical specifications
Input Rated voltage, frequency 3P   AC380V;50/60Hz 2P   AC220V;50/60Hz
Voltage Range 3P AC360V~450V 2P AC190V~250V
output Voltage 0~460V 0~260V
Frequency Low Frequency :0~300Hz    High frequency :0~3000Hz
Overload Capacity G Type:110%    150% 1min 200% 4s
P Type:105%    120% 1min 150% 1s
Mode of control V/F control 、High Level V/F control 、V/F Separation control 、No PG current vector control
Control characteristics Frequency resolution Analog Setting Max output frequency 0.1%
Digital Setting 0.01Hz
Frequency accuracy Analog input Within the max output frequency 0.2%
Digital input Within the setting output frequency 0.01%
V/F Curve
V/F Control Moment Improvement Manually set :Rated output 0.0~30.0%        Auto Improvement:According output current and motor parameters to auto improve moment.
Automatic flow limiting and voltage limiting Whether in the process of acceleration, deceleration or stable operation, the stator current and voltage of the motor  can  be  automatically  detected,  and  it  can  be suppressed to the allowed range according to a unique algorithm to  minimize the  possibility  of system failure jumping.
Inductive vector control voltage frequency characteristics Automatically adjust the output voltage-frequency ratio according   to   the    motor    parameters    and    unique algorithms.
Torque characteristics Starting torque:3.0 Hz 150% rated torque (VF control)150% rated torque at 1.0 Hz (Advanced VF Control)150% rated torque at 0.5 Hz (no PG current vectorcontrol)Constant operating speed accuracy :≤0 2% ratedsynchronous speedVelocity fuctuation :s+0.5% rated synchronous speedTorque response :≤20 ms (no PG current vectorcontrol)
Self-determination of motor parameters Without any restrictions, automatic parameter detection can be completed under the static and dynamic motor to obtain the best control effect.
Current and
voltage suppression
The whole process of current closed-loop control andcomplete avoidance of current impact has a perfectover-current over-voltage suppression function
Under voltage
suppression in
Especially for users with low grid voltage and frequent grid voltage
fuctuations, even if it is below the allowed voltage range, the system

 

operation can  maintain  the  maximum  possible  running  time  based  on  unique algorithms and residual energy allocation strategies.
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Typical  function

Multi-Speed running

PID control

RS485

16-stage  programmable   multi-  speed  control  and   multiple  running modes are optional. Pendulum frequency operation: preset frequency, center frequency adjustable, state memory and recovery after power

outage

Built-in   PID   controller   (preset  frequency) .   Standard   configuration

RS485 communication function, multiple communication protocols are optional, and there is linkage synchronization control function.

Frequency setting Analog input DC Voltage 0~10V,DC Current 0~20mA
Digital input Operation panel setting, RS485 interface setting, UP/DW terminal control, and various combination settings with analog input can also be made.
 

Output signal

Digital output Two DO terminals open collector output and two programmable relay outputs (TA,TB,TC), up to 61 meaning choices
Analog output T~wo  analog  s~ignals  output,  the  output  range  of

achieve the set frequency, output frequency and

other physical output

Automatic Steady

Pressure  Operation

According to the need, dynamic, static and non-stable can be selected to obtain the most stable operation effect
Acceleration and

deceleration Time setting

 

0.1 s~3600.0 min continuous adjustable, S type , straight-line optional

B r  e a k  i  n g Energy Brake The starting voltage, the return voltage and the energy consumption braking rate are continuously adjusted
DC Brake Stop DC brake s~tart frequency :0.00~[ F00.13]~upper limit frequency
Magnetic   flux Brake  

0~100    0 :Be of no effect

Low Noise Operation Carrier    frequency    1.0KHz~ 16.0KHz    continuously    adjustable    to minimize motor noise
Speed tracking speed   Restart function It can realize the function of smooth restart and instant stop restart of motor in operation
Counter One internal counter to facilitate system integration
Function Frequency  setting  of  upper  and   lower  limits,  frequency   hopping operation,   reversal   operation   limit,   slip   frequency   compensation, RS485 communication, frequency increment, deceleration control, fault self-recovery operation, etc
Operation panel

display

Running State Output frequency, output current, output voltage, motor  speed, set frequency, module temperature, PID setting, feedback, analog input and output, etc
Alarm

Content

The last six fault records, the last fault trip when the output frequency, set frequency, output current, output voltage, DC voltage, module

temperature and other 6 operating parameters record

Defective function Over-current, over-voltage, under-voltage, module failure, electronic thermal relay, overheating, short circuit, input and output phase

deficiency, abnormal tuning of motor parameters, internal memory failure, etc

 

ENVIRON MENT

Ambient

temperature

-10℃~+40℃
Ambient humidity

Ambient

environment

5%~95%RH ,No condensation

Indoor (no direct sunlight, no corrosion, flammable gas, no oil mist, dust,

etc)

Altitude 10% for each 1000 m increase
ORGANAZ ATION levels of

protection

IP20
cooling-down method Air cooling with fan control
Installation way Wall mounted, cabinet type

Wiring instructions

Control mode: V/F control, sensorless vector control (SVC)
Overload capacity: 150% rated current for 60 seconds, 180% rated current for 10 seconds
Source of frequency reference: keyboard, analog input, HDL, serial communication
Function of PID control: supports simple PLC and multi-level speed adjusting function, the speed level can be as much as 16
Range of frequency: 0-400Hz

Benefits

Excellent efficiency and energy saving: By accurately controlling the motor’s start and stop process, energy loss of the motor is saved and system efficiency is improved.
Easy to install and operate: compact size takes up less space, easy adjustment of operation panel, quick debugging, saving time and money on installation.
Intelligent protection system: integrated with several protection functions to prevent motor and drive equipment failure and ensure long-term reliable operation.
Control flexibility: provide a variety of control modes to satisfy different demands of loads and switch between several working modes easily.

Application fields

Industrial automation: suitable for motor drives of various kinds of mechanical devices, such as conveyors, pumps, fans, etc.
Manufacturing: being used heavily in several production lines and automatic control systems for increasing productivity.
Water treatment system: being used in water pump control and flow regulation for a smooth system operation.
Building equipment: usable for building elevator motor control, air conditioners, and other building equipment.

Why use this drive frequency inverter?

Smart control: advanced V/F control technology and SVC sensorless vector control make the motor starting process smooth and efficient, and extend the service life of equipment.
Universal protection: multiple protection mechanisms ensure the stable operation of motors and drives in any environment, thereby reducing the cost of maintenance.
Easy to operate: LCD display and easy button control make debugging and operation more convenient and intuitive.
Energy-saving and high efficiency: precise speed control is achieved through smart control to prevent energy waste.

Choosing this drive frequency inverter, you will experience more precise control, more stable operation and longer equipment life.

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