High Performance Vector Control Variable Frequency AC Drive Converter VSD VFD Frequency

Model NO.
Link of Transformation
AC-DC-AC Variable-Frequency Drive
Nature of DC Power
Current Variable-Frequency Drive
Simple Type, Constant Torque Universal Type
Transport Package
Carton/Wooden Box
HS Code
Being supported by an highly developed and specialist IT team, we could give technical support on pre-sales & after-sales service for High Performance Vector Control Variable Frequency AC Drive Converter VSD VFD Frequency, The product will supply to all over the world, such as: Auckland, Vancouver, Iraq, Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
Zhejiang Chifon Electric Co., Ltd. Diamond / Audited Supplier
Nameplate identification:

FPR High performance closed loop vector converter

Power class

Single-phase 220v±15% 0.4-2.2kw
Three-phase 380V±15% 0.75-315kw

Product introduction

FPR500 series relies on TI companys DSP dual-core professional control motor chip, which supplies the international leading vector control algorithm to realize the real high-precision flux vector torque control. It has built-in pg vector control (VC), pg – free vector control (SVC) and V/F control modes, which widely aplied to high speed control accuracy, rapid torque response and high performance at low frequency. The integration of torque control, speed control and position control can meet the high performance requirements of customer applications. And, FPR 500 has the ability to exceed the anti-trip performance of similar products and adapt to severe power grid, ambient temperature, humidity and dust, greatly improving the reliability of products.

Technical characteristics

Drive motor type:Ac asynchronous motor, Ac permanent magnet synchronous motor
Four control modes:PG vector control(FVC), PG- free vector control(SVC),
V / F control, Torque control
Speed control range:PG vector control(FVC)1:1000
PG- free vector control(SVC)1:200
V / F control 1:50
Speed control accuracy:PG vector control (FVC)±0.2%
                     PG- free vector control (SVC)±0.5%
Starting torque:PG vector control(FVC):180 % rated torque/0.01Hz
              PG- free vector control (SVC)150% rated torque/0.25Hz
Torque control accuracy:PG vector control (FVC)±5%
                     PG- free vector control (SVC)±8%
Multi – motor switching: Two groups of motor parameters can realize the switching control of the two motors.
Motor overheating protection:Optional IO expansion card, analog A / 3 can accept input from motor temperature sensor
Supports multiple encoders:Supports differential, open collector, uvw, rotary transformer, sine and cosine encoder
Torque limitation and control: the “excavator” feature, automatically limits the torque during operation to prevent frequent overcurrent trips. Closed loop mode can realize torque control.

Products Specifications:

Basic Function Specification
Maximum output frequency 0~500Hz
Carrier frequency 0.5kHz~16.0kHz;According to the load characteristics, carrier
frequency can be adjusted automatically
Input frequency Range :47~63Hz
Control mode V/F   Open/closed loop vector control(SVC/FVC)
Speed range 1:50(Vector mode 0 ) 1Hz/150% rated torque
Overload capability G type:150% rated current for 60s;   
180% rated current for 3s
P type:120% rated current for 60s;

150% rated current for 3s
Torque boost Auto Torque boost Manual Torque boost; 0.1%~30.0%.
V/F curve V/F Four modes : Line , Multi-point , Square V/F curve, V/F separation
Jog control Jog frequency range:0.00Hz to F0-10(Max frequency)
Accelerate/Decelerate curve Line or S-curve Acc/Dec mode, four kinds of Acc/Dec time Range
of Acc/Dec Time0.0~65000.00s.
DC brake DC brake frequency: 0.00Hz to Maximum frequency
brake time: 0.0 to 36.0s
brake current value: 0.0 to 100%
Simple PLC, Multi-speed 16-speed operating through built-in PLC or control terminal
Built-in PID Close loop control system can be formed easily by using PID
Automatic voltage
regulating (AVR)
Output voltage is regulated when voltage of the power network changes
Overvoltage and over current
stall control
During operation automatically limits the inverter output current
and bus voltage, to prevent fan over current and overvoltage trip.
Rapid current limiting
Minimizing flow failures, protect the normal operation of the inverter
Instantaneous stop non-stop Load feedback energy compensation voltage is reduced and continues to maintain a short time when change is momentarily interrupted.
Speed tracking start For high-speed rotation of the motor speed identification, impact-
free smooth start
Rapid current limit Rapid software and hardware limiting technology to avoid
frequent converter over current fault.
Virtual IO Five sets of virtual DO, five sets of virtual DI, enables easy logic control.
Timing Control Timing control: set the time range 0.0Min~6500.0Hour
Two independent motor parameters, enabling two motors switching control
Bus Support Two independent Modbus communication, CAN-Link
Command source Given the control panel, control terminal, serial communication port given. It
can be switched by a variety of ways.
Torque boost Auto Torque boost Manual Torque boost  ; 0.1%~30.0%.
Frequency source Nine kinds of frequency sources: digital setting, analog voltage setting, analog current setting, pulse setting, or serial port and so on. It can be switched by a variety of ways.
frequency source
Nine kinds of auxiliary frequency source. Flexible implementation of auxiliary
frequency tuning, frequency synthesis.
Input terminal Six digital input terminals, one only supports 50khz high pulse input
Two analog input terminals, one support 0V~10V voltage input
One support 0 ~ 10V voltage input or 0 ~ 20mA current input
One high-speed pulse output terminal (optional open collector type), support of
square wave 0 ~ 50kHz signal output
One digital output terminal
One relay output terminals
Two analog output terminals, support 0 ~ 20mA current output or 0 ~ 10V
voltage output
Display and operation
LED display Display parameters and status information
The key lock and function selection
Achieve some or all of the keys locked, scope definition section keys
to prevent misuse.
Protection function Input/output phase failure protection ,Overcurrent protection ;Over
voltage protection; Undervoltage protection; Overheat protection ;
Overload protection
Options Brake assembly, PG card
Application environment In-door, free from direct sunlight, dust , corrosive gas, combustible gas, oil mist , steam , water drop and salt .
Altitude Lower than 1000m
Vibration Less than 5.9m/s(0.6g)

Standard wiring diagram:

Product application:

Packing details:

FAQ :      

1.Can I get some samples?
Yes, Sample order is available for quality check and market test .But you have to pay for it.

2.Whats delivery time?
It usually takes about 3-5 working days for small order and 10-15 days for big order.

3.Whats your payment terms ?
We usually accept all kinds of payment terms .Such as T/T, L/C, Western Union and Cash.

4.Whats your warranty terms ?
We offer 18 months warranty time.

5.Do you have the products in stock?
Depends on your request, we have standard models in stock. Some special products and big order will be newly produced according to your order.

6.Can I mix different power in one containe?
 Yes, Different models can be mixed up in one container, even one order.

7.How does your factory do the quality control?
Quality is priority ,we always attach the importance to quality control from the beginning to the end of the production .Every product will be fully assembled and carefully tested before packing and shipping .

8.Can you sell spare parts?
If you are using CHIFON products .we can sell spare parts to you . But we couldnt sell the half-finished products. 

9.I would like to know if you have a partner for export?
Yes, our company have the right to export and can sell electrical product all over the world.

10.Can you make the inverter and soft starter control boards (switchgear)?
Yes, we have a lot of experience to design frequency inverter and soft starter cabinet according to your request.  But you can send us the wiring diagram.

11. Can the inverter connect with computer?
Yes, all inverters have built-in RS485 port and support Modbus communication protocol. 

12.How can I trust you?
Our companys values are integrity, responsibility, innovation and cooperation and our company has been audited and approved CE, ISO9001. Assessment report could be sent to you by e-mail. Also we are the made-in-chinas gold supplier.                                    

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