AC/DC Power Supplies – Electro-Meters https://www.electro-meters.com/product-category/power-supplies/ac-dc-power-supplies/ Technology for all your measurement needs Mon, 08 Sep 2025 21:04:10 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.electro-meters.com/wp-content/uploads/images/electro-meters/cropped-EMlogo_square-32x32.png AC/DC Power Supplies – Electro-Meters https://www.electro-meters.com/product-category/power-supplies/ac-dc-power-supplies/ 32 32 ITECH IT-EC7800 Series – Programmable AC/DC Power Supply https://www.electro-meters.com/product/itech-it-ec7800-series-programmable-ac-dc-power-supply/ Mon, 08 Sep 2025 18:18:35 +0000 https://www.electro-meters.com/?post_type=product&p=29404 The IT-EC7800 Series is a compact, high-performance programmable AC/DC power supply featuring advanced Silicon Carbide (SiC) technology, delivering up to 6kVA in a 2U and 15kVA in a 3U chassis. It includes a high-precision power meter, arbitrary waveform generator, and supports harmonic simulation, complex waveforms, and data analysis, all accessible via an intuitive LCD touchscreen. Ideal for R&D, production testing, and quality control, it serves industries like new energy, power electronics, and scientific research.

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]]> Features
  • Adopts Silicon Carbide (SiC) technology
  • High power density design: up to 15kVA in 3U, up to 6kVA in 2U
  • Voltage rating: 350V L-N
  • Harmonic simulation and analysis up to the 50th order
  • Output frequency: 16–1000Hz; adjustable voltage and frequency slew rate
  • Built-in single-phase or three-phase AC power meter
  • Supports four output modes: AC, DC, AC+DC, DC+AC
  • Selectable single-phase or three-phase output modes
  • Programmable output impedance
  • Touchscreen interface with a clean UI design
  • Arbitrary waveform simulation, supports CSV waveform import
  • Built-in rich waveform database
  • List mode simulates power grid restoration and momentary power interruption
  • Configurable output start/stop phase angle from 0–360°
  • Built-in Surge & Sag simulation
  • Built-in Relay Ctrl output for DUT and source electrical isolation
  • Built-in USB/CAN/LAN/Digital I/O; optional
  • GPIB/Analog/RS232 interfaces
  • Supports CANopen, Modbus, LXI, SCPI, and other communication protocols

Applications

  • New energy (onboard chargers, AC/DC chargin piles)
  • Home appliances (air conditioners, microwave ovens, refrigerators, washing machines)
  • Medical equipment (CT scanners, MRI systems, life science analyzers)
  • Power electronics (Inverts, UPS systems, AC motors)
  • Civil aviation (avionics, airport ground support equipment)
  • Research, Universities, Laboratories, Testing Organizations (AC-DC power adapter testing, EMC compliance testing)

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]]> ITECH IT7900E Series – Regenerative Grid Simulator https://www.electro-meters.com/product/itech-it7900e-series-regenerative-grid-simulator/ Thu, 06 Jun 2024 17:27:43 +0000 https://www.electro-meters.com/?post_type=product&p=23678 The IT7900E series is a programmable, four-quadrant grid simulator and power amplifier designed to test various grid-connected equipment, such as PCS, energy storage systems, microgrids, V2X (Vehicle-to-Everything), PHiL, and more. Utilizing advanced SiC technology, a single unit of the IT7900E can perform anti-islanding protection tests through its islanding mode with adjustable RLC settings. The series boasts high power density, delivering 6kVA in a 1U unit and 15kVA in a 3U unit. Through parallel connection, its power capacity can be expanded up to 960kVA.

The IT7900E series offers a variety of operating modes to meet diverse testing requirements, including single-phase, three-phase, reverse-phase, and multi-channel configurations. In reverse mode, the voltage can be extended to 200% of the rated voltage. Its robust arbitrary waveform editing function allows for the simulation of various power grid disturbance waveforms, making it an ideal choice for testing and R&D laboratories.

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]]> Highlighted Features
  • Adopt advanced SiC technology
  • High power density/minimum rack space, 3U up to 21kVA
  • Frequency range: 16Hz~150Hz
  • Regenerative grid simulator & full 4-quadrant AC & DC power sources
  • Power amplifier function for PHiL applications
  • Three working modes: CV, Current Limit, Power Limit
  • Output capability: AC, DC, AC+DC, DC+AC
  • Comprehensive working modes: single-phase, three-phase, reversed phase
  • Programmable output impedance for simulating real-world utility grid impedance
  • Compliance tests including LVRT, Phase Jump, Frequency variation, Harmonic Injection
  • Supported regulatory testing includes IEC61000-4-11, 4-13, 4-14, 4-28

Additional Features

  • Wide voltage ranges: 350/700/1050 VL-N*
  • Master-slave parallel with current sharing technology, up to 1MVA+
  • Intuitive touch screen with built-in single/3-phase AC power meter and scope function
  • Fast response time and high accuracy: 0.1% + 0.2% FS
  • Waveform library: sine wave, square wave, triangle wave, clipped sine waves, trapezoidal wave, self-defined waves
  • Harmonics and interharmonics waveform synthesizer
  • Power line disturbance simulation testing through LIST programming, SWEEP, and Surge & Sag functions
  • Up to 50th harmonic simulation and analysis, with built-in IEC61000-3-2/3-12 and other test regulations*
  • Output start/stop phase angle can be set from 0-360°
  • Front panel USB port for data and waveform import/export
  • Relay CTRL function to cut off the connection between instrument and DUT
  • Built-in USB, CAN, LXI-compliant LAN interface, Digital IO interface; optional GPIB, Analog, RS232 interfaces
  • Support for CANopen, Modbus, LXI, SCPI communication

*Notes:*

  1. Voltage/current harmonic analysis
  2. Please refer to the IT7900E high voltage version

The post ITECH IT7900E Series – Regenerative Grid Simulator appeared first on Electro-Meters.

]]> ITECH IT7900EP Series – High Performance Regenerative Grid Simulator https://www.electro-meters.com/product/itech-it7900ep-series-high-performance-regenerative-grid-simulator/ Thu, 06 Jun 2024 15:45:57 +0000 https://www.electro-meters.com/?post_type=product&p=23673 With the adoption of advanced SiC technology, the IT7900EP series high-performance regenerative grid simulator offers a comprehensive test solution. This versatile device functions not only as a grid simulator and four-quadrant power amplifier but also as a four-quadrant regenerative AC/DC electronic load. Its full four-quadrant operation and regenerative capability enable power feedback to the grid, promoting environmental sustainability and significantly reducing electricity and heat dissipation costs.

Designed with a compact, modular, and efficient structure, the IT7900EP delivers up to 21kVA in a 3U single unit, and its power can be extended to 1MVA through master-slave parallel connection. The colorful touch screen with an intuitive GUI allows users to directly define various waveforms. The simulator supports a wide range of operational modes, accommodating single-phase, three-phase, and reverse-phase testing requirements. This high flexibility makes it suitable for applications in PV, ESS, and EV industries.

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]]> Parameter Features
  • Adopt advanced SiC technology
  • High power density, up to 21 kVA for 3U
  • Voltage can reach 350V L-N
  • Highly efficient power regeneration
  • Master and slave equal flow, parallel machines up to 1MVA
  • Comprehensive working modes selectable: single-phase, three-phase, reversed phase, and multi-channel; voltage extension to 200% of rated voltage in reversed mode
  • Support LIST/SWEEP/Surge&Sag three waveform modes
  • Built-in rich waveform database
  • Harmonic simulation and analysis function up to 50 times, built-in IEC61000-3-2/3-12 compliance
  • Can simulate arbitrary waveform output, support CSV file import waveform
  • Phase angle 0-360° settable
  • Touch screen design, simple UI interface
  • Built-in USB/CAN/LAN/Digital IO interface, optional GPIB/analog & RS232 interface
  • Full protection functions including automatic clearing, POVP, watchdog, etc. Support CANopen, Modbus, LXI, SCPI communication

Source Features

  • Regenerative grid simulator & full 4-quadrant AC & DC power sources
  • Frequency: 16-2400Hz
  • Power amplifier function for PHIL applications
  • Four output modes: AC/DC, AC+DC, DC+AC
  • Programmable output impedance, simulation of real-world impedance
  • Harmonic/inter-harmonic synthesis
  • Compliance tests including LVRT, Phase Jump, Frequency Variation, harmonic injection
  • Supported regulatory testing includes IEC61000-4-11/4-13/4-14/4-28
  • Optional software to complete pre-compliance standards testing for civil avionics/electrical ships according to multinational safety regulations

Load Features

  • Regenerative full 4-quadrant AC & DC load
  • Frequency: 16-500Hz
  • AC mode supports CC/CP/CR/CS/CC+CR/CE multiple operating modes, and CE mode can simulate various circuit topologies such as single-phase rectifier RLC and shunt RLC
  • DC mode supports 9 working modes including CC/CR/CP/CV
  • AC mode supports both rectified and non-rectified modes
  • Adjustable crest factor: 1.414 ~ 5.0
  • Support phase shift function in the range of -180º ~ 180º
  • The unit power factor function allows the current waveform to vary with the voltage waveform, making the power factor as close to 1 as possible
  • Supporting unloading angle control, 0-359° adjustable

*Notes:*

  1. Voltage/current harmonic analysis, voltage harmonic simulation in source mode, current harmonic simulation in load mode, fundamental wave ≤ 60Hz
  2. Stay tuned
  3. In grid simulator and islanding simulation mode, 16-150Hz
  4. After turning on the rectification function, the setting range of the phase shift is restricted by the crest factor

Testing Capabilities

Power Hardware-in-the-Loop (PHiL) for Testing and Verification of Grid-Tied DUT

ITECH modular and scalable IT7900(P) support  built-in power amplifier mode for Power Hardware in the Loop (PHIL) applications providing further testing and simulation capability.

The lately upgraded analog interface card IT-E177 for HIL application bandwidth reaches 2.4kHz; IT7900(P) Power Amplifier mode for PHIL application with low latency at 65μs  , rising/fall high speed up to 2.5V/μs,which helps simulate real-world conditions.

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]]> ITECH IT7900P Series – High Performance Regenerative Grid Simulator https://www.electro-meters.com/product/itech-it7900p-series-high-performance-regenerative-grid-simulator/ Wed, 31 Aug 2022 15:00:36 +0000 https://www.electro-meters.com/?post_type=product&p=21295 The IT7900P series high-performance regenerative grid simulator provides an all-in-one test solution that can be used not only as a grid simulator and four-quadrant power amplifier, but also as a four-quadrant regenerative AC/DC electronic load. The full four-quadrant operation, regenerative ability can feedback power to the grid, meet the needs of environmental protection, but also saves a lot of electricity and heat dissipation costs. Compact, modular and efficient structure design allows the IT7900P up to 15kVA in 3U single unit, and its power can be extended to 960kVA after master-slave parallel connection. Colorful touch screen with intuitive GUI allows IT7900P to directly define different waveforms. The rich operation modes can meet the test requirement of single-phase, three-phase, inverse-phase and multi-channel. It provides high flexibility for testing and can be widely used in many fields such as PV, ESS and EV.

The post ITECH IT7900P Series – High Performance Regenerative Grid Simulator appeared first on Electro-Meters.

]]> Parameter Features
  • High power density, up to 6 kVA for 2U and 15 kVA for 3U
  • Voltage can reach 350V L-N
  • Master and slave equal flow, parallel machines up to 960kVA 1
  • Highly efficient energy return
  • Comprehensive working modes selectable: single-phase, three-phase, reversed phase and multi-channel, Voltage extension to 200% of rated voltage in inverted mode
  • Support LIST/SWEEP/Surge&Sag three waveform modes
  • Harmonic simulation and analysis function up to 50 times 2
  • Built-in rich waveform database
  • Can simulate arbitrary waveform output, support CSV file import waveform
  • Phase angle 0~359°settable
  • Touch screen design, simple UI interface
  • Built-in USB/CAN/LXI compliant LAN /Digital IO interface, optional GPIB/analog & RS232 interface
  • A variety of protection functions, including automatic clearing protection, transient overvoltage protection POVP
  • Software watchdogs, etc.

Source Features

  • Regenerative grid simulator & full 4-Quadrant AC&DC power sources
  • Output frequency: 16-1400Hz
  • Power Amplifier function for PHiL applications
  • Professional islanding test mode, support R, L, C and active, reactive power settings
  • Four output modes of AC/DC/AC+DC/DC+AC can be realized
  • Multi-channel function, single unit can test 1-3 DUTs at the same time 3
  • Programmable output impedance, simulation of real-world impedance
  • Harmonic/inter harmonic synthesis
  • Frequency lock and phase lock function to achieve 6 phase& 12 phase power output
  • Compliance tests incl. LVRT (Low Voltage Ride Through)/HVRT (High Voltage Ride Through)/Phase Jump/Frequency variation/harmonic injection
  • Supported regulatory testing include IEC61000-4-11/4-13/4-14/4-28 etc.
  • Provide rich trigger configuration, synchronous capture of the voltage waveform of the object to be measured, to achieve data acquisition and simulation functions

Load Features

  • Regenerative full 4-Quadrant AC&DC load
  • Output frequency: 16-500Hz
  • AC mode supports CC/CP/CR/CS/CC+CR/CE multiple operating modes, and CE mode can simulate a variety of circuit topologies such as single-phase rectifier RLC and shunt RLC.
  • DC mode supports 9 working modes such as CC/CR/CP/CV
  • AC mode supports both rectified and non-rectified modes
  • Adjustable crest factor: 1.414 ~ 5.0
  • Support phase shift function in the range of -180º~180.0º 4
  • When the three-phase AC, support Y and Δ two kinds of access, Y type connection when the support C-phase phase loss function
  • Support with load-on
  • Support positive or negative half-cycle pull load
  • The unit power factor1 function allows the current waveform to vary with the voltage waveform and the power factor is as close to 1 as possible
  1. 3U model only
  2. Voltage/current harmonic analysis, voltage harmonic simulation in source mode, current harmonic simulation in load mode
  3. Multi-channel function is not available for single-phase models
  4. When rectification function is turned on, the setting range of phase shift is bounded by the peak factor

Testing Capabilities

Power Hardware-in-the-Loop (PHiL) for Testing and Verification of Grid-Tied DUT

ITECH modular and scalable IT7900(P) support  built-in power amplifier mode for Power Hardware in the Loop (PHIL) applications providing further testing and simulation capability.

The lately upgraded analog interface card IT-E177 for HIL application bandwidth reaches 2.4kHz; IT7900(P) Power Amplifier mode for PHIL application with low latency at 65μs  , rising/fall high speed up to 2.5V/μs,which helps simulate real-world conditions.

The post ITECH IT7900P Series – High Performance Regenerative Grid Simulator appeared first on Electro-Meters.

]]> ITECH IT7800 Series – High Power Programmable AC/DC Power Supply https://www.electro-meters.com/product/itech-it7800-series-high-power-programmable-ac-dc-power-supply/ Mon, 16 Aug 2021 15:59:39 +0000 https://www.electro-meters.com/?post_type=product&p=16770 ITECH IT7800 is a programmable AC/DC power supply, with power up to 15kVA, voltage ranges up to 350V L-N and 500V L-N. Users are able to increase output power up to 960kVA by configuring master-slave parallel. Intuitive LCD touch panel interface allow users to quickly become familiar with unit operation.

IT7800 series has a built-in power meter and arbitrary waveform generator which is able to simulate harmonics and other arbitrary waveform output. Users can choose single phase, three-phase, phase reversal, and multi-channel 4 output modes, with programmable output, and complete measurements.

The post ITECH IT7800 Series – High Power Programmable AC/DC Power Supply appeared first on Electro-Meters.

]]>
  • High power density, 3U up to 15kVA
  • Master-slave parallel with current sharing technology, up to 960kVA, multiple units in parallel work as one
  • Voltage up to 350V L-N, 500V L-N
  • Output frequency: 16-2400Hz, programmable slew rate setting for changing voltage and frequency
  • Built-in single/3-phase AC power meter
  • Multi-channel function, single unit can connect/test up to 3 DUTs
  • 4 output modes: AC/DC/AC+DC/DC+AC
  • Choose single phase, three-phase, reverse phase output mode, to simulate 3-phase imbalance, 3-phase harmonics imbalance, split phase test, reverse phase sequence tests etc.
  • Comprehensive harmonics measurement and analysis
  • Harmonics, inter-harmonics waveform synthesizer, according to IEC 61000-4-13
  • Programmable output impedance, according to IEC 61000-3-3
  • Intuitive touch screen interface
  • Simulate arbitrary waveform output, support csv. file import
  • Built-in various waveforms
  • List mode simulates the power supply reproduction function to trigger the simulation function of instantaneous power interruption
  • Provides various trigger input/output signals. When amplitude/frequency change, trigger signals can be generated to synchronously capture the current waveform of DUTs
  • Output 0-360 ° start/stop phase angle can be set
  • Surge/Sag function
  • Relay CTRL function, to cut off the connection between instrument and DUT
  • Built-in USB/CAN/LAN/Digital IO interface, optional GPIB / Analog&RS232
  • With professional software, set up programs comply with multinational security regulations and test conditions, to complete civil aviation electronics and IEC related standards testing

    • The post ITECH IT7800 Series – High Power Programmable AC/DC Power Supply appeared first on Electro-Meters.

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