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Regenerative Grid Simulator for Grid Disturbances and PHiL

ITECH IT7900: Simulate Grid Conditions and Feed Energy Back to the Grid

The ITECH IT7900 Series is a regenerative four-quadrant grid simulator and power amplifier for Power Hardware-in-the-Loop (PHiL). Different grid conditions and disturbances can be simulated in a controlled manner and integrated into automated test sequences.

Programmable waveforms and output conditions enable reproducible disturbance scenarios. Integrated measurement and analysis functions support direct evaluation of the DUT.
In regenerative operation, energy generated by the DUT is fed back into the power grid instead of being dissipated as heat. This reduces energy consumption, heat generation, and cooling requirements.

Alternative Products

For additional regenerative AC/DC load functions, the ITECH IT7900P and the ITECH IT7900EP are suitable alternatives.

Related Product Categories

Simulators | Power Supplies / Sources | Bidirectional Devices | Electronic Loads

Find the Right High-Voltage Test Solution now: ITECH IT7900

If you want to test grid-connected DUTs under defined voltage, frequency and disturbance conditions, we will help you select the right IT7900 series configuration. Together, we clarify voltage level, power requirements, parallel operation and integration into your test stand.

Variants

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Specifications

System function
  • regenerative four-quadrant grid simulator
  • power amplifier for PHiL
Power
  • 2 to 165 kVA
  • master/slave parallel operation up to 960 kVA
  • up to 15 kVA in 3U
Output
  • 350 V L-N
  • up to 990 A
  • 16 Hz to 150 Hz
Output modes
  • AC, DC, AC+DC and DC+AC
Control modes
  • CV
  • current limit
  • power limit
Grid simulation
  • LIST, SWEEP, Surge and Sag
  • standard and user-defined waveforms
  • harmonics and interharmonics
Test functions
  • LVRT, Phase Jump, Frequency Variation and Harmonic Injection
  • IEC 61000-4-13
Anti-islanding
  • integrated test mode with adjustable RLC network
Measurement functions
  • voltage and current harmonics up to the 50th order
  • accuracy up to 0.1% + 0.1% FS for voltage and 0.1% + 0.2% FS for current
Interfaces
  • USB, CAN, LXI-compliant LAN and Digital I/O
  • optional GPIB and Analog/RS232
Operation
  • touchscreen
  • integrated single-/three-phase AC power meter
  • scope function

Options & Accessories

IT-E176 GPIB interface card 
IT-E177 RS232 and analog interface card 
IT-E168 Fiber optic set 
IT-E169 Fiber optic set for paralleling multiple cabinets 
IT-E30312 Test cable, 30 A / 1.2 m with fork terminal lug 
IT-E30615 Test cable, 60 A / 1.5 m with ring terminal lug 
IT-E31220 Test cable, 120 A / 2 m with ring terminal lug 
IT-E32410 Test cable, 240 A / 2 m with ring terminal lug 
IT-E33620 Test cable, 360 A / 2 m with ring terminal lug

Scope of Delivery

IT7900 Series unit(s)
Power cord
Factory test report
USB cable
Operating manual

Applications

Grid compliance tests
Frequency variation test (SWEEP)
Custom waveform
Voltage disturbance test (Surge & Sag - overvoltage or undervoltage events)
Anti-islanding test
Simulation of various grid parameters
LVRT test (Low Voltage Ride Through), simulation and analysis of low-voltage conditions and voltage dips
UPS system testing
AC power supply
and more

Videos

Links & Downloads

Available Documents (Subject to Change)

Supplier

LXinstruments has been supplying ITECH equipment since 2020. When an individual instrument needs to become part of a complete test system, we support you with product selection, system sizing and integration into the automation environment. The key is to ensure that the DUT, power requirements, interfaces and test sequence work together.

We also use ITECH equipment in customized test systems. Depending on the test application, we combine power supplies, electronic loads, grid simulation and measurement technology so that the functions match both the DUT and the test sequence.

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