High Performance 7.5KW AC Motor Drive

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Description Of High Performance 7.5KW AC Motor Drive  

High Performance 7.5KW AC Motor Drive 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


Features of High Performance 7.5KW AC Motor Drive


1).Adopts 16 bit microprocessor, sine wave PWM control


2).Automatic torque ascension and automatic sliding compensation function


3).Output frequency 0.1-400 Hz


4).8 period of speed setting and 7 period can be running the program


5).Low noise, carrier frequency can from 1 kHz-15 kHz adjustment


6).Two paragraphs Acceleration and deceleration time and two segments of the S Curve slow and deceleration


7).Simulation frequency set acceptable 0-10 VDC, 4-20 mA


8).The built-in serial communication interface RS-485(baud rate can reach 38400)


9).Save energy running and automatic voltage stabilizing section function (AVR)


10).Adjustable V/F curve Acceleration and automatic and deceleration function


11).Simple vector control and built-in PID control, and the simple positioning function


12).Sleep/wake up function and zero velocity keep function


Structure Of High Performance 7.5KW AC Motor Drive


AC Motor Drive


Application Of High Performance 7.5KW AC Motor Drive


★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


AC Motor Drive


Performance Of High Performance 7.5KW AC Motor Drive


InputRated voltageT4 series: Three phase 380v, ±15%
Frequency S/T2 series: Three/single phase 220V, ±15%
50/60Hz  ±5%
OutputVoltageT4 series: Three phase 0-380V
FrequencyS/T2 series: Three phase 0~220v
Overload ability150% rated current for 30s; 180% rated current for 1s;
DissipationCooling type Forced Cooling
Temperature protection Heatsink temperature >85℃ trip protection against overheat
Fan controlHeatsink temperature> 50℃, fan forced operation, frequency inverter continue work
ControlControl modeOpen-loop vector control, V/F control
PerformanceStart torqueOpen-loop vector control: 0.5Hz 180%; 
VF control: 0.5Hz 150%
Speed rangeOpen-loop vector control:1:150; 
VF control:1:100
Speed control precisionOpen-loop vector control: ±0.2%; 
VF control:±0.5%
FunctionChannel of operation commandKeyboard control,terminal control,communication control
Start modeDirect start, DC injection braking before start, speed tracking before start
DC injection brakingStart DC injection braking, stop DC injection braking
Dynamic brakingBuilt-in braking unit
Frequency source choiceKeyboard digital frequency setting, analog AVI setting
PID control setting, telecommunications setting
Frequency resolutionKeypad setting:0.01Hz; Analog setting: 0.1%
Carrier frequency1Khz~12Khz,
Acc/Dec time0.1~6000.0s or 0.01~600.00s
SignalAnalog inputAVI:0~10V
Keyboard potentiometer input: 0~10V
Analog outputAFM:0~10V or 0~20mA, Select through JP1 jumper
Digital inputA total of 28 kinds of function could be selected from S0 ~S5.
Digital output1 channel open collector output(MO1-MCM)
1 channel relay output( TA-TC normally open, TB-TC normally closed;
Communication PortCommunication protocolBased on RS485 hardware, support standard MODBUS protocol. 
Display FunctionsFour digital tube displayCan monitor the operation state of frequency inverter flexibly and conveniently.
Installation                                HumidityLess than 90%RH
VibrationLess than0.6G
Elevation0~1000m, reduce the rated specification 10% when lift 1000m for each. 
Storage temperature-20~60℃          
StructureDefend degreeIP20

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We are a professional inverter manufacturer integrating R&D, production and sales. With an experienced R&D and production team and sophisticated production lines, our company has become a domestic first-class inverter manufacturer by virtue of advanced technology, excellent quality, scientific management and perfect service

1. Manufacturer Overview

Location Zibo, China
Year Established 2004
Annual Output Value Below US$1 Million
Main Markets Middle-East America; Mid East; Northern Europ; Africa; Southeast Asia
Company Certifications CE;ISO

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Qingdao
Export Percentage 1% - 10%
No.of Employees in Trade Department 500-999 People
Language Spoken: English; Chinese
b)Factory Information  
Factory Size: Above 50,000 square meters
No. of Production Lines Above 8
Contract Manufacturing
Product Price Range High; Average