Preen

AC＋DCPower Solutions

Found in 1989, Preen (AC Power Corp.) is a leader in power supply system and has been developing products based on the core technology of Power Conversion. We boast one of the broadest product line of power supply, includes AC Power Source, DC Power Supplies, Power Supplies for Defense Industry, Renewable Energy Simulators, Line Conditioners and UPS.

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  • Programmable DC Power Supply

    Next Generation DC Power Supply

    ADG-L Series

    The ADG-L's auto range feature can generate a higher output current at lower output voltage, covering a wide range of application in single unit. The intuitive touch screen HMI increases operational efficiency and convenience.

    • Output voltage up to 1000V
    • High power density: 12kW in 3U
    • Higher power generation by easy parallel configuration
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  • High Performance Programmable AC Power Source

    An Ideal AC Source to Maximize Your Devices' Reliability

    AFV-P Series

    AFV-P Series is a programmable AC power source with DC output and precision measurement. This compact power source provides clean power with THD less than 0.3% at 50/60 Hz and it delivers output voltage of 0-310 V and frequency of 40-500Hz (opt. 15-1000 Hz). It is ideal for commercial, defense and aerospace test applications from design verification, quality assurance, ATE to mass production.

    • Output Power : 600VA~5kVA
    • Output Voltage : 0~310V (0~620V opt.)
    • Output Frequency : 15~1000Hz
    • Capable to simulate Power Line Disturbance, such as IEC-61000-4-11
    • Inrush current capable to deliver up to 4.5 times of peak current (Option : 9 times of peak current for AFV-P-600, 1250 )
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  • High Power Programmable AC Power Source

    Best AC Source for High Power Testing

    AFV＋ Series

    With single unit output up to 2000kVA, the AFV series is ideal for simulating voltage and frequency conditions in different regions, covering home appliances, motors, medical equipment, lighting and EMC lab applications.

    • The THD is only ≦0.5%, leading the industry
    • Three-phase voltage unbalanced simulation
    • Output frequency up to 500Hz
    • Intuitive 7”Touch Screen
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  • High Power Programmable AC Power Source

    Cost Effective of High Power Programmable AC Source

    AFV Series

    The AFV is a series of programmable AC power source that can be remote controlled and integrated with other systems for easier operation. Applications include home appliance, electronic, medical equipment, lighting, and etc, the output capacity can up to 2,000kVA.

    • Output Power : 10kVA~2000kVA
    • Output Voltage: 0~300V
    • Output Frequency: 45~65Hz
    • Interfaces: RS-485 and RS-232 with opt. GPIB or Ethernet
    • Comprehensive Protections for High Reliability
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  • High Power Programmable DC Power Supply

    Programmable DC Power Featuring High Voltage and High Power

    ADG-P Series

    ADG-P series is a high power programmable DC supply with wide output voltage and current ranges. Up to 100kW in one chassis with high power density. It is applicable for R&D and production line of EV, renewable energy, motors and aerospace.

    • Intuitive 7" touch screen for easy operation
    • Output voltage up to 2000V, ideal for renewable energy application
    • Single unit power: 30kW~100kW
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Application

Significant markets Preen served include electric vehicle, renewable energy, home appliance, military, aerospace and medical. Preen provides further solutions according to different applications to improve the user's efficiency and convenience.

  • 1.6 MVA PV Test System
  • 1500V Photovoltaic System Simulation Solution
  • IEC-61000-4-11 Simulation
  • How to Test LEDs with a Programmable DC Power Supply
  • An AC Source to Simulate North America’s Single Phase Three Wire System.
  • Switching Power Supply
  • Research & Compliance Institute
  • Renewable Energy
  • Medical Equipment
  • Aerospace & Defense
  • Home Appliance
  • Railway System
  • Electronics Manufacturing
  • Shore Power Supply
News & Events
  • Mar 15 2021

    Preen invites you to join us at the Electronica China 2021

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  • Mar 31 2021

    Preen Will Participate in the 2021 Electric Vehicle Future Trend Seminar and Roundtable Forum on 23th,October.

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  • Oct 13 2020

    Preen invites you to join 2020 Electronica South China

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  • Oct 20 2020

    Preen Will Participate in the Fifth Electric Vehicle Future Trend Seminar and Roundtable Forum on 23th,October.

    Preen responded enthusiastically to this event and became a sponsoring partner of the seminar. As we believe the Internet of Vehicles will be more and more important in the future and Preen’s product will help and play an important role during the development.
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  • Oct 20 2020

    Preen Won the Dun & Bradstreet SME Elite Award for the Third Consecutive Year

    In 2020, there were 1,068 shortlisted companies are chosen. Not only did Preen stand out in the fierce competition and won the 7th "Dun & Bradstreet SME Elite Award" again, we also became one of the few manufacturers that has won this award for the third consecutive year.
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  • Oct 29 2020

    Preen Sincerely Invite You to Participate in Higher-Efficiency Power Supplies Seminar on November 11th.

    The main focus of this seminar is to discuss how to use higher-efficiency power supplies and better power requirements by new advance power design methods. More importantly, to aim for lower energy consumption rates, while effectively extending battery life.
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  • Aug 21 2020

    Preen will participate in the 2020 China Testing Expo

    We sincerely invite you to our booth to find out more about the latest technologies and solution of each series. We will make the best effort to ensure you can receive the high quality product and service for field such as: electrical system and battery testing, electronic system testing, dynamo meter, electrical system testing, reliability/life cycle testing, and automatic test equipment (ATE).
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  • Aug 21 2020

    See You at Power 2020 Three-in-one Conference in Taipei, Taiwan

    Preen is about to participate in the 17th Taiwan Power Electronics Symposium and the 41st Republic of China National Power, which is the three-in-one conference of the Power Engineering Seminar and the 2020 Ministry of Science and Technology Electric Power Achievement Presentation.
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  • Jul 14 2020

    Preen Sponsors Charging and Testing Equipment for Taipei University of Technology Formula Racing Team

    The Taipei University of Technology Formula Racing Team holds a presentation "Taipei Tech Racing Commemorative Exhibition and New Technology Presentation" from 7th to 12th,July. The fifth-generation brand-new electric auto racing car built by the team was also unveiled during the exhibition.With our support and sponsorship, TTR will use Preen’ ADG-L series programmable DC power supply as a charging device for their fifth generation racing car. It can also be used as measurement instruments for research and development testing.
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  • Oct 01 2018

    Come See Preen's Power Supplies at 2018 Electronica in Munich ,Germany

    This year Preen (AC power Corp.) will exhibit our latest Rack Mount DC/AC Power Supply. Come to Munich Messe and meet us at the A5 Hall Power Supply section.
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  • Jun 28 2020

    Preen invites you to join us at the Electronica China 2020

    Preen locates at Booth A134, Hall 6.2. We will release the latest product ADG+ series on site, which is our new generation of high power programmable DC supply.
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  • Oct 30 2017

    Preen's AFV-P Series Programmable AC DC Power Supply Won the Taiwan Excellence Reward

    Preen's (AC Power Corp.) Programmable AC and DC Power Supply received 2018 Taiwan Excellence Reward. This is Preen's first time to participate and we are delighted and honored to win the prize.
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  • Jun 11 2020

    Preen Celebrates the 30th Anniversary of its Establishment "Glory 30, Sustainable Development"

    Preen Celebrates the 30th Anniversary of its Establishment "Glory 30, Sustainable Development"
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  • Apr 06 2020

    Exhibition Postpone Notification

    Thank you for continuously supporting Preen AC Power Corp. Due to the COVID-19, lots of exhibitions we scheduled to attend have been postponed or cancelled. Once we received the exhibitions related news, we will immediately update on our website and social media. In the meanwhile, we will still update our product news on our website. We apologize for the inconvenience caused and once again we thank you for your understanding and support.
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  • Nov 27 2020

    Some Rules to Follow to Achieve Power Quality

    Programmable power supplies are essential for meeting the demands of today’s electronic equipment for clean and reliable power.
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