AC Motor Drive

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Description of AC Motor Drive

CMAX  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

 

Features of 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 AC Motor Drive

 

Application of 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

 

Performance of AC Motor Drive

Item Specification
Input Rated voltage T4 series: Three phase 380v, ±15%
Frequency  S/T2 series: Three/single phase 220V, ±15%
50/60Hz  ±5%
Output Voltage T4 series: Three phase 0-380V
Frequency S/T2 series: Three phase 0~220v
0-400Hz
Overload ability 150% rated current for 30s; 180% rated current for 1s;
Dissipation Cooling type  Forced Cooling
Temperature protection  Heatsink temperature >85℃ trip protection against overheat
Fan control Heatsink temperature> 50℃, fan forced operation, frequency inverter continue work
Control Control mode Open-loop vector control, V/F control
Performance Start torque Open-loop vector control: 0.5Hz 180%; 
VF control: 0.5Hz 150%
Speed range Open-loop vector control:1:150; 
VF control:1:100
Speed control precision Open-loop vector control: ±0.2%; 
VF control:±0.5%
Function Channel of operation command Keyboard control,terminal control,communication control
Start mode Direct start, DC injection braking before start, speed tracking before start
DC injection braking Start DC injection braking, stop DC injection braking
Dynamic braking Built-in braking unit
Frequency source choice Keyboard digital frequency setting, analog AVI setting
PID control setting, telecommunications setting
Frequency resolution Keypad setting:0.01Hz; Analog setting: 0.1%
Carrier frequency 1Khz~12Khz,
Acc/Dec time 0.1~6000.0s or 0.01~600.00s
Signal Analog input AVI:0~10V
ACI:4~20mA 
Keyboard potentiometer input: 0~10V
Analog output AFM:0~10V or 0~20mA, Select through JP1 jumper
Digital input A total of 28 kinds of function could be selected from S0 ~S5.
Digital output 1 channel open collector output(MO1-MCM)
1 channel relay output( TA-TC normally open, TB-TC normally closed;
Communication Port Communication protocol Based on RS485 hardware, support standard MODBUS protocol. 
Display Functions Four digital tube display Can monitor the operation state of frequency inverter flexibly and conveniently.
Installation                                 Humidity Less than 90%RH
condensation
Vibration Less than0.6G
Elevation 0~1000m, reduce the rated specification 10% when lift 1000m for each. 
Storage temperature -20~60℃          
Structure Defend degree IP20

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Q:How to choose the right inverter?
1, constant power load During the operation of the load device, the power remains constant. Such as machine tools, cutting machines, paper machines and so on. For example: a marble cutting machine frequency conversion system, is a constant power load, load inertia, inverter selection configuration A power with the G-type machine, plus the braking unit and braking resistor.
Q:Laptop power adapter aging
This should be no, play the game automatically shut down should be detected other
Q:Speed of 3000 r / min three-phase motor how to change its speed
The key lies in two points: 1, you ask the variable range is how much? 2, your motor had a few qualifying? If your motor is 6 outlet, and you only need to speed, plus your motor is also an asynchronous motor, and you do not have the requirements of the load; then congratulations, you can achieve "speed" You just put the motor wiring way to do a △ - Y or Y - △ conversion can be achieved. If the above conditions you have one or two can not meet, then your best way is to buy a drive to achieve the variable speed. Of course, you can also make some changes to the winding to achieve the so-called single-winding multi-speed operation (this change, but the need for a certain technical content).
Q:Laptop power adapter current is not the same alternative?
because the output power is not enough, will burn. Note the voltage polarity!
Q:A water supply project, how to choose electrodes and frequency converters, such as giving a 7-storey water supply
2 pump power: If there is a tank, optional small pump, or should see how many households, fixed flow.
Q:Laptop power adapter leakage
Not a leakage of electricity, switching power supply design is the need for anti-interference caused by the leakage current, a lot of adapters have this phenomenon, but no harm to the human body is safe, you do not have to buy to replace, the original is good. If you have a protective ground at home, then you can not feel the leakage, because the leakage current from the protection of the ground to the earth, and really leak, then your home leakage protector on the trip.
Q:22kw.2 pole fan can use Fuji inverter?
according to the rated name of the fan brand and the inverter rated current control, select the current value match, or slightly larger The
Q:30 kW 6 pole frequency motor torque is how much
30 kW 6 pole frequency motor torque is how much 860. 1, the motor torque calculation Motor "torque", the unit is N? M (beef) 2, the formula is T = 9549 * P / n. 3, P is the motor rated (output) power unit is kilowatts (KW) The denominator is the rated speed n units are per minute (r / min) P and n can be found directly from the motor nameplate.
Q:Laptop power adapter (no power supply, but indicator light)
There may be reasons for the power adapter, there may be a computer can not identify the power supply is battery-powered or AC power. These are just speculated by your phenomenon, if you are better in the warranty period to the customer service test, so the best
Q:Laptop power adapter is used to do what
Power and charge the notebook. Equivalent to power, mobile phone charger.
We are a Hi-Tech enterprise establishing the networks of development, production, logistics and service extending to all over the world from Shenzhen and Dalian. Integrating the advanced technology from Europe, America, Japan and Taiwan,.We supply customers automatic and driving products with multi-functions, such as frequency inverter, servo motor and drive, soft starter, AC Choke, EMI filter, brake Units, Brake resistor etc.

1. Manufacturer Overview

Location Liaoning,China
Year Established 2001
Annual Output Value US$5 Million - US$10 Million
Main Markets North America
South America
Eastern Europe
Southeast Asia
Africa
Oceania
Mid East
Eastern Asia
Western Europe
Company Certifications ISO9001

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port DALIAN
Export Percentage
No.of Employees in Trade Department
Language Spoken: ENGLISH,CHINESE
b)Factory Information  
Factory Size: 5,000-10,000 square meters
No. of Production Lines Above 10
Contract Manufacturing OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range Low and/or Average