3kW Series DC Power Supply

3kW series DC power supply adopts international advanced soft switch inverter technology, with new IGBT power components and amorphous core as the core device is developed, and the power supply adopts digital control technology, the power source has high accuracy, high stability, high reliability, good electrical properties, suitable for scientific research units, laboratories, industries, etc. The power supply has the perfect protection function.

Product Details

3kW series DC power supply 

 1. 3kW series introduction                                                                                                                        3kW series DC power supply adopts international advanced soft switch inverter technology, with new IGBT power components and amorphous core as the core device is developed, and the power supply adopts digital control technology, the power source has high accuracy, high stability, high reliability, good electrical properties, suitable for scientific research units, laboratories, industries, etc. The power supply has the perfect protection function.     

    3kW series DC power supply  has 3 types as shown in the figures below. We also accept customization.         

200A 12V Remote Control

3kW type A


100A20V

3kW type B


30A-100V

3kW type C


 2. Application                                                                                                                                

    Our power supply rectifier is aplied to:

    Electrochemistry: Plating, anodizing, electro polishing, electrolysis, electro winning, electro refining, electronic cleaning, tinning, pickling, surface coloring, cathod protection

   Heating: Inductive heating, DC heating, single phase AC heating

   Water treatment: Waste water treatment, seawater desalination


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 3. Technical principle                                                                                                                                 

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      The main circuit mainly includes: Input three-phase uncontrolled rectifier module, high-frequency inverter, high-frequency transformer and output full-wave rectifier module. The control system takes DSP controller as the core, including isolated driver, output current, sampling , output feedback, input overvoltage, protections, overheat protection, HMI interface, CAN communication, etc.     


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 4. 3kW series technical data                                                                                                  


1. AC Input

1.1

Input AC phase

3 phase 4 line(A,B,C,N);

1.2

Input line voltage(V)

220V+/-10%, 380V+/-10%, 415V+/-10%,   440V+/-10%

1.3

Input Frequency(Hz)

50Hz   / 60Hz

2. DC Output

2.1

Output power

03kW

2.2

Output mode and range

0-250A Constant Current, 0-100% of rated value



0-30V Constant Voltage, 0-100% of rated value

2.3

Duty

100%  full load

2.4

Accuracy

<1%

3. Electrical   Features

3.1

Regulation mode

IGBT PWM

3.2

Power Factor(Full load)

0.93

3.3

Cooling Method

air cooling

3.4

Remote control

(1) RS485;    (2) 4-20mA;

(3) remote control box( 2   optionalHMI or meters)

3.5

IP degree

IP30

3.6

Insulation Grade

B,  please specify if you require higher

3.7

Working Mode

Continuous

3.8

Alarm type

Audible and visual alarm

 

 5. Functions                                                                                                                               

*Module structure support direct parallel, current expanding

*Touch panel for display, operation

*Profibus, Profinet, Modbus, 4-20mA, 0-10V for remote control

*Fault auto diagnose and alarm

*Timer setting, auto OFF

*Process Step Setting, auto running

*Soft Start & Stop, time setting

*Save last time output setting,such as keeping 12V while starting

*Cabinet seal for water cooling version, avoid corrosion


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 6. Quality control                                                                                                                           

   We always follow ISO9001 quality management system to do the quality control, and provide qualified Power Supplies and Power Quality products to worldwide customers. Follow below quality control process.

  (1) PCB board reliability testing

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  (2) Full load testing

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 7.  Certification                                                                                                                           

     Stong technology ability , we have More than 20 years power electronics R&D and engineering  experiencecs, high-tech company, with patents, software copyrights.

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