Preen Distributor in Canada – Electro-Meters

Preen APS Series – Solid State Automatic Voltage Regulator

Tyler — Tue, 02 Mar 2021 19:57:09 +0000

Preen’s APS series of solid state voltage regulators boast high precision and short response time. Using electronic compensation design topology, the APS series can detect fluctuation on input voltage and compensate to provide pure and stable voltage. The APS series has single-phase and three-phase models with power level up to 300kVA and input voltage range of ± 18% or ± 25% optional. The ±2% voltage regulation and ≤4ms response time make it ideal for applications requiring high accuracy.

Applications: Mobile/laptop SMT production lines, medical equipment, communication equipment, communication stations, EMC test and laboratory use.

Wide input voltage range : rated voltage ± 18% ~ ± 25%
Fast response : ≤4ms / step
Optional EMI filter for better power quality
CE mark with high electromagnetic compatibility performance
High input power factor: ≥0.95
High efficiency: up to 98% at full load
Customized outdoor cabinet to increase protection class to IP54
Comprehensive protection includes over voltage, over current, over load, input under voltage and over temperature
Optional surge protection with different levels

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Preen PEL Series – Regenerative AC Electronic Load

Tyler — Tue, 02 Mar 2021 19:42:52 +0000

The PEL Series is an AC electronic load with regenerative function. Traditional resistive AC loads transfer the energy to heat which is dissipated. PEL not only transfers energy back to the grid and reduces the energy consumption, but also provides more accurate control and measurement for load simulation. PEL employs the most advanced PWM rectification (active rectification) technology with four-quadrant operation and digital signal processor technology (DSP). It not only can simulate different load characteristics including resistance and inductive type, but also can feed energy back to the grid, which lowers energy consumption and improves carbon dioxide emissions.

Applications: Burn-in tests, production line and laboratory applications to replace the traditional resistive type AC load bank.

Constant current (CC), constant resistance (CR) and constant power (CP) modes to simulate power factor from 0.3 to 1.0 (lead / lag)
Recycles power back to grid with efficiency greater than 90%
High power factor in grid connected side: up to 0.99
Can be paralleled for larger capacity demands
Three-phase independent control to set voltage of each phase
Adjustable parameters including PF, current, power, resistance etc.
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 troubleshooting
Standard RS485 communication interface
Latest patented power module with high power density and swappable design for better reliability and serviceability

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Preen ADG Series – DC Power Supplies

Tyler — Tue, 02 Mar 2021 19:38:11 +0000

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. With output power up to 100 kW per unit, the ADG series offers output voltage up to 1600 V and output current up to 2000 A. Users can select the standard RS-485 interface or optional RS-232 and GPIB. The STEP and GRADUAL modes allow easy set-up on test sequence and depending on CV/CC settings and load conditions, the 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.

Applications: ADG is ideal for testing EV motor/compressor, server power supply, fuse/circuit breaker/contactor, and PV inverter or can be used as a facility or EMC chamber power source.

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 100 kW 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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Preen ADC Series – DC Power Supplies

Tyler — Tue, 02 Mar 2021 19:34:22 +0000

Utilizing PWM switching technology, Preen’s ADC series DC power supply has high power density, short response time, high accuracy and well-around protection. It has been widely adopted in prod 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 a 19 inch cabinet. With a flexible configuration design, the ADC series can economically meet the needs of various high performance applications.

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
O/P Power: 2-64kW
O/P Voltage: 0-600V, max output voltage is 30V-600V

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Preen ADS Series – DC Power Supplies

Tyler — Tue, 02 Mar 2021 19:23:36 +0000

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 more. ADS provides a high quality DC source with output level up to 180 kW and 1500 A, 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 trailers for increased mobility.

Applications: suitable for inductive type loads and aerospace or military applications, such as motor equipment, production testing, maintenance & repair, generators, aircraft engines, laboratories and more.

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 of sustaining abusive loads with inrush current and reverse current, such as from aircraft engines 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

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Preen PFV Series – AC Power Sources

Tyler — Tue, 02 Mar 2021 19:18:23 +0000

The PFV series is the latest programmable AC power source with four-quadrant regenerative function to return energy back to the grid. With power level up to 200kVA, Preen’s PFV series provides an 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 has programming sequence functions of STEP and GRADUAL modes, three-phase independent control, phase angle control, disturbance function and regenerative function.

Applications: Testing on motor, compressor, vehicle to grid (V2G), generator and others that require energy feedback

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 interfaces available
Latest patented power module with high power density and swappable design for better reliability and serviceability

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Preen PWF Series – AC Power Sources

Tyler — Tue, 02 Mar 2021 19:14:18 +0000

Preen’s 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 differ in output frequency ranges. The L series provides 45~500Hz and 0~300V output, and the 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 has programming sequence functions of STEP and GRADUAL modes, three-phase independent control, phase angle control, and disturbance function.

Applications: Aerospace and military test applications

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 AFV/APF Series – AC Power Sources

Tyler — Fri, 26 Feb 2021 21:30:55 +0000

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, electronics, medical equipment, lighting, and more. With better accuracy and faster response time, the AFV/APF series offers greater advantages for R&D and compliance tests. Utilizing PWM switching technology, AFV/APF provides a high quality pure sine waveform with an output level up to 2,000kVA. The AC source is coupled with an 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 has programming sequence functions of STEP and GRADUAL modes, three-phase independent control, and soft start for optional choices.

Applications: Home appliance, electronic, medical equipment, lighting, and etc.

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 UUT motor type.
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.

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Preen AFC Series – AC Power Source / Frequency Converter

Tyler — Fri, 26 Feb 2021 21:26:26 +0000

Preen’s AFC Series is an economically priced AC power source providing reliable voltage and frequency simulation for general applications in various industries such as, home appliance, electronics, medical equipment, lighting, research, and development. Utilizing PWM switching technology, the AFC Series provides a high-quality pure sine waveform with output power ranging from 3kVA to 2,000kVA. The AC source is coupled with an output voltage range of 5~300V and output frequency of 47~63Hz, 50/60Hz fixed. The user can select an optional frequency output of 2- or 4-times standard frequency and 400Hz.

Key Features

Single phase power output from 0.5-150kVA and three-phase power output from 5-2000kVA
CE & RoHS certification, with excellent performance in safety and electromagnetic compatibility
High input power factory and high efficiency up to 92%
Coupled with 4 LED displays to show measurements of voltage, current, frequency and power at once
Patented power module design with compact size for easier maintenance and high power density
Comprehensive protection includes overvoltage, overcurrent, overload, input under-voltage and over temperature with corresponding error codes
Emergency stop button to shut down output immediately
Optional RS232 and RS485 interfaces available

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