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| AC & DC Programmable Power Supplies |
Established in 1989 Preen have become a major manufacturer of AC and DC Power Sources and Frequency Converters and is one of the major programmable power supply manufactures in the world. Preen is considered to be the world leading manufacturer of large capacity power sources for testing and manufacturing purposes.
Preen product range covers most power requirements from which includes rack mount programmable AC power sources from 0.6 to 5kVA, three phase and single phase AC power sources from 10 to 2000kVA, Military 400Hz AC power sources, 45~500Hz or to 1000Hz Wide Frequency power sources, shore Frequency Converters and regenerative type Grid Simulation power supplies for new energy test applications.
Preen AC Power Sources |
AFC Series Of AC Power Sources |
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AFV＋ Series High Power Programmable AC Power Source
Product Features
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AFV/APF series Programmable AC Power Source
The AFV/APF 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. With better accuracy and faster response time, the AFV/APF series offers greater advantage for R&D and compliance tests. Utilizing PWM switching technology, the AFV/APF series provides high quality pure sine waveform with output level up to 2,000kVA. The AC source is coupled with output voltage range of 0~300V and output frequency of standard 45~65Hz or optional 45~500Hz. Users can select communication interfaces of RS-485, RS-232, and optional GPIB. The AFV/APF series also have programming sequence functions of STEP and GRADUAL modes, three phase independent control, and soft start for optional choices. Product Features Single phase output power from 0.5-20kVA and three phase output power from 10-2000kVA. CE mark with high electromagnetic compatibility performance. Programming Sequence Function: STEP and GRADUAL modes allow users to easily set sequences of start/ end voltage, frequency and run time for testing purposes. Optional soft start function to reduce inrush current from motor type UUT. Touch screen display for easy operation. Optional three phase independent control to set voltage of each phase. Comprehensive protection includes over voltage, over current, over load, input under voltage and over temperature with over 20 corresponding error codes and event log for easier trouble shooting. Standard RS232 and RS485 interfaces and optional GPIB interface available. Patented power module design with compact size for easier maintenance and high power density.
AFV-33080-690V/80KVA Programmable AC Power Source
The AFV-33080-690V/80KVA is a customized 690V/80KVA Power Source. The modifications are: 400VL-N output, 1.2% THD output, voltage display and independent phase control. AFV-33080-690V/80KVA Power (kVA) 80 Three Phase Independent Control INPUT Phase: 304W+G Voltage: 480V Rated Input Voltage: 15% Frequency Range: 60Hz-3Hz or 50Hz-3Hz Power Factor: 0.9 Maximum Input Current: 135A OUTPUT Phase: 3phase 4W+G Voltage Low (V): 0V~200.0V (L-N) Voltage High (V): 0V~400.0V (L-N) Frequency Range: 45-65Hz (opt. 45-500Hz) Frequency Regulation: <0.01% Maximum Current High (A): 83.3A Maximum Current Low (A): 166.6A THD: 1.2% SYSTEM Line Regulation <1% (Resistive Load) Load Regulation: <1% (Resistive Load) Efficiency: >90% / >85% Response Time: <2ms Crest Factor: 3:1 Protection: OVP, OVP, OCP, OPP, OTP and Short Circuit Protection. MEASUREMENT Voltage: Resolution: 0.1V: Accuracy: 0.5% F.S. + Counts Current: Resolution: 0.1A: Accuracy: 0.5%, F.S. + Counts Frequency: Resolution: 0.1Hz: Accuracy: 0.5% F.S. + Counts REMOTE INTERFACE Standard: RS-232/RS-485 Optional: Ethernet/GPIB DISPLAY 7" Inch Touch Screen Voltage Display GENERAL Operational Temperature: 0°C~45°C Humidity: 0~90% (Non-condensing) Altitude: <1500m Dimensions: 800x860x1545(mm), Weight (kg): 670
AFV-P Series Of Programmable AC & DC Power Supplies
Preen's 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 40-500 Hz (opt. 15-1000 Hz). It
is ideal for commercial, defense and aerospace test
applications from design verification, quality assurance,
ATE to mass production. AFV-P series comprise measurement
features of rms voltage, rms current, true power, apparent
power, power factor, crest factor, reactive power and etc.
Its 5″ touch screen with rotary knob allows quick
adjustments and configurations of voltage, current and
frequency. Total 1200 test steps in 50 built-in memories
and transient generation functions allow simulations of
voltage variations, surges, drops and frequency
disturbances. Users can set up starting and ending phase
angle from 0° to 360° and they can also remotely
control AFV-P via standard interfaces. Free control
software and LabVIEW driver are available for easy
programming and remote control.
Product Features Compact and high power density: 600VA to 2500 VA is only 2U and 5000 VA is 5U. AC source with DC output: extend the applications to DC testing Wide output voltage of 0-310V and output frequency of 15-1000 Hz THD is only under 0.3 % when output power is under 100 Hz Ideal for inrush current: capable to deliver up to 4.5 times of peak current. Start/End phase angle: users can define the start and end phase angle from 0° to 360° Current fold-back feature: have output current maintain constant based on the load which output voltage varies. STEP and RAMP function: ideal for voltage and frequency variation tests and effectively reduces the inrush current during motor startup. TRANSIENT generation provides users an easy setup for power line disturbance (PLD) simulation. Users can quickly set and view the parameters via 5 inches touch panel or rotary knob, which provides an easy operation and measurement display. Free control software and LabVIEW driver: allow users to easily program and remote control. High slew rate: less than 300 µs from 0~90% output voltage
AMF series 400Hz Power Supply / Ground Power
The AMF series power supply is designed for 400Hz aerospace and military applications, including lab use, ground power for hangar and repair station, airport and factory. Stable 400Hz power input helps users on inspections, aging tests, and supplying power to aircraft. Output voltage of the AMF series is 115/200V with an adjustable range of 10%. Users can switch between output frequency 400Hz fixed and 350~450Hz adjustable. With overload drive capability and reverse energy protection, the AMF series is ideal for motor, aerospace and military types of application.
Product Features Optional overload function: 120% for 60mins, 150% for 60secs, and 200% for 15secs Coupled with 4 LED displays to show measurements of voltage, current, frequency and power at once Comprehensive protection includes over voltage, over current, over load, input under voltage and over temperature with corresponding error codes Patented power module design with compact size for easier maintenance and high power density Able to operate under unbalanced load conditions Able to handle reverse energy generated by motor type UUT Follows standards of MIL-STD-704, GJB181A and GJB572A
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AMV series 400Hz Power Supply / Ground Power
The AMV series is a complete line of ground power developed for applications in aerospace and defense. The units come with compact size and can provide high quality 400Hz to aircraft or components in hangars, repair stations, assembly station, factory and airports. 800Hz output customization is also available under request. The high protection level makes AMV ideal for outdoor use. Output voltage of the AMF series is 115/200V fixed or with an adjustable range of 15V. Users can select between output frequency 400Hz fixed or 300~500Hz adjustable. With overload drive capability and IP54 protection level, the AMV series is ideal for motor, aerospace and military types of application. There are stand-alone and trailer type models for different applications.
Product Features Stand-alone or trailer type models Overload drive capability: 125% for 600secs, 150% for 30secs, 200% for 10secs and other extended overload options User-friendly VFD display and user interface with higher protection level High protection level of IP54 with specially selected and coated components to increase working temperature range to -40℃ ~ 55℃ Higher power density reducing size and weight for easier movement Optional duel output for multiple loads applications Comprehensive protection includes over voltage, over current, over load, input under voltage and over temperature with over 20 corresponding error codes and event log for easier trouble shooting Emergency stop button to shut down output immediately Optional RS-485 interface available Patented power module design with compact size for easier maintenance and high power density Follows standards of MIL-STD-704, GJB181A and GJB572A
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BPS Series Shore Power Supply
The BPS series is a family of high performance Shore Power Supply developed according to needs for shipbuilding, berths and ships. It can operate under environment with high level of humidity, heat and corrosion, and provide pure 50Hz and 60Hz power to abusive loads. With output power up to 2000kVA, the BPS series has output voltage of 440V (L-L) and output frequency of 47~63Hz continuously adjustable and 50/60Hz fixed. Installed in a customized container, it has protection level up to IP54 and overload capability for harsh conditions.
Product Features Overload Capability: 110% for 1 hour and 150% for 1 minute Equipped with outdoor level container to increase protection level up to IP54 for harsh conditions High input power factory and high efficiency up to 92% Patented power module design with compact size for easier maintenance and high power density. Comprehensive protection includes over voltage, over current, over load, input under voltage and over temperature with corresponding error codes. Emergency stop button to shut down output immediately
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PAS series Grid Simulator
It can be used in R&D, production, or quality check stage of PV inverter, wind turbine converter, electrical vehicle, smart gird and etc. With power level up to 2000kVA, the PAS series provides output voltage range of 0~300V and output frequency of 45~65Hz. Users can select communication interfaces of standard RS-485 and RS-232 and optional GPIB, LAN, and USB. The PAS series also have programming sequence functions of STEP and GRADUAL modes, three phase independent control, phase angle control, disturbance function and regenerative function. The built-in low voltage ride through (LVRT) function is for specially designed for renewable energy testing purpose.
Product Features Three phase output power from 45-2000kVA Built-in low voltage ride through (LVRT) function to easily simulate required utility grid conditions Regenerative function can sink the energy from load and return to the grid Able to simulate renewable energy related regulations, such asUL-1741, IEEE-1547, BDEW-2009, IEC-62116, IEC-61727 and VDE-AR-N-4105 Three phase independent control to set voltage of each phase Phase angle control to set angle between each phase Programming Sequence Function: STEP and GRADUAL modes allow users to easily set sequences of start/ end voltage, frequency and run time for testing purposes Touch screen display for easy operation Comprehensive protection includes over voltage, over current, over load, input under voltage and over temperature with over 20 corresponding error codes and event log for easier trouble shooting Standard RS232 and RS485 interfaces and optional GPIB, USB and LAN interface available Latest patented power module with high power density and swappable design for better reliability and serviceability
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PFV Series of Regenerative AC Power Sources
The PFV series is the latest programmable AC power source with four-quadrant regenerative function to return energy back to the grid. Applications include testing on motor, compressor, vehicle to grid (V2G), generator and others that requires energy feedback. With power level up to 200kVA, the PFV series provides output voltage range of 0~300V and output frequency of 45~65Hz. Users can select communication interfaces of standard RS-485 and RS-232 and optional GPIB, LAN, and USB. The PFV series also have programming sequence functions of STEP and GRADUAL modes, three phase independent control, phase angle control, disturbance function and regenerative function.
Product Features Regenerative function can sink the energy from load and return to the grid Three phase independent control to set voltage of each phase Phase angle control to set angle between each phase Soft start function to reduce inrush current from motor type UUT Programming Sequence Function: STEP and GRADUAL modes allow users to easily set sequences of start/ end voltage, frequency and run time for testing purposes Touch screen display for easy operation Comprehensive protection includes over voltage, over current, over load, input under voltage and over temperature with over 20 corresponding error codes and event log for easier trouble shooting Standard RS232 and RS485 interfaces and optional GPIB, USB and LAN interface available Latest patented power module with high power density and swappable design for better reliability and serviceability
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PWF series Programmable Wide Frequency AC Power
The PWF series is a family of programmable AC power source with wide range of adjustable frequency, developed for aerospace or military's 400Hz and 800Hz test applications, such as lab use, compliance test, and quality assurance. The PWF series consists of L series and M series, which have different output frequency range. L series provides 45~500Hz and 0~300V output, and M series provides 300~800Hz and 0-150V output. Users can select communication interfaces of RS-485, RS-232, and optional GPIB. The PWF series also have programming sequence functions of STEP and GRADUAL modes, three phase independent control, phase angle control, and disturbance function.
Product Features Wide range output frequency up to 800Hz for aerospace and military applications. Three phase independent control to set voltage of each phase . Phase angle control to set angle between each phase. Programming Sequence Function: STEP and GRADUAL modes allow users to easily set sequences of start/ end voltage, frequency and run time for testing purposes. Disturbance function to better simulate grid abnormality. Touch screen display for easy operation. Comprehensive protection includes over voltage, over current, over load, input under voltage and over temperature with over 20 corresponding error codes and event log for easier trouble shooting. Standard RS232 and RS485 interfaces and optional GPIB interface available. Latest patented power module with high power density and swappable design for better reliability and serviceability. Optional soft start function to reduce inrush current from motor type UUT.
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Preen DC Power Supplies |
ADC Series Rack Mount DC Power Supply
Utilizing PWM switching technology, the ADC series DC power supply has high power density, short response time, high accuracy and well-around protection. It has been widely adopted in product production line, burn-in test, laboratories and integrated system. Featuring a straightforward user interface, the ADC Series has advantages of modular design with compact size and light weight. It has three models of 2kW, 4kW and 8kW unit, and can be paralleled up to 64kW with 19 inches cabinet. With flexible configuration design, ADC series can meet needs of various applications with high price-performance ratio.
Product Features High power density: 2kW and 4kW models are 2U, and 8kW model is only 4U CE mark with high electromagnetic compatibility performance. Comprehensive protection includes over voltage, over current, over load, input under voltage and over temperature Remote sense for line drop compensation of 0~3V Current limit function Three 19-inch cabinet available (18U、32U、42U), Optional RS232 and RS485 interfaces available
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ADG-L series Programmable High Power DC Power Supply
AC Power Corp. (Preen) introduces its latest programmable DC power supply, ADG-L Series which have 14 models and three different output power, 4kW, 8 kW and 12 kW. Utilizing PWM technology, ADG-L delivers stable output and precise measurement. With CV, CC and CP mode, ADG-L series is ideal for Photo-voltaic, Electric Vehicle, battery, fuse/capacitor and third party laboratory testing. The 1000V high voltage model is especially suitable for EV-related R&D testing and product aging testing. Compliant with RoHS standard, ADG-L series is not only a cost-effective but also environmental-friendly DC power supply. It also features completed protections, which includes OVP, OCP, OPP,UVP,OTP.
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ADG series Programmable High Power DC Power Supply
Preen's ADG series is a programmable DC power supply with high power density and high output power, offering great response time, high accuracy and many output voltage and current combinations. Designed for the increasing demand of high power DC, ADG is ideal for testing EV's motor/compressor, server power supply, fuse/circuit breaker, and PV inverter or can be used as a facility power or EMC chamber power. With output power up to 100kW per unit, the ADG series offers output voltage up to 1600V and output current up to 2000A. Users can select standard RS-485 interface or optional RS-232 and GPIB. The STEP and GRADUAL modes allow easy setup on test sequence and depending on CV/CC settings and load conditions, ADG series can operate as a current or voltage source. Its remote sensing feature can effectively reduce voltage drop caused by cable length and provides more flexibility on installation.
Product Features Wide output voltage range: with maximum voltage up to 2000V, ideal for renewable energy, smart grid, and Electric Vehicle (EV) related applications High Efficiency and Power Factor: up to 90% efficiency and power factor High Output Power: up to 100kW in one chassis with high power density Fast Transient Response Time: <4~12ms 12 Different Output Voltage Ranges & 41 Models Standard RS485 interface with Modbus compatibility and optional RS232 and GPIB interfaces CV and CC Modes Programming Sequence Function: STEP and GRADUAL modes allow users to easily set sequences of start/ end voltage, run time and current for testing purposes. 4.7" Touch Screen Display for Easy Operation Remote Sense for Line Drop Compensation Comprehensive Protection: Input OVP/UVP, output OVP/OCP, OTP
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ADS series High Power DC Power Supply
The ADS Series is a high power DC power supply with robust circuit design and high stability. It is suitable for inductive type loads and aerospace or military applications, such as motor equipment, production testing, maintenance & repair, generators, aircraft engines, laboratories and etc. ADS provides high quality DC source with output level up to 180kW and 1500A, and has overload capability up to 300%. Users can select between two output voltage: 28V @ 10% or 270V @ 10%, which is suitable for aerospace applications. ADS also can be mounted on trailer to increase its mobility.
Output voltage of 28V @ 10% or 270V @ 10% for aerospace or military usage Output current ranges from 50A to 1500A with maximum overload to 4500A Capable to sustain abusive loads with inrush current and reverse current, such as aircraft engine or generators Constant voltage and current limitation functions Comprehensive protection includes over voltage, over current, over load, input under voltage and over temperature Optional RS232 or RS485 communication interfaces or control terminals for remote control and monitoring Compliant with MIL-STD-704
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Preen
AFC Series of AC Power Sources Data Sheet
