Regenerative Grid Simulator | IT7900E Series

ITECH IT7900E Series
Programmable, regenerative 4-Quadrant Grid Simulator
Power: up to 231 kVA, Voltage: 350 V, Current: up to 1155 A

The IT7900E series is a programmable four-quadrant grid simulator and power amplifier that can be used to test various grid-connected equipments. The advanced SiC technology provides a high power density of 15 kVA in a 3U unit. When connected in parallel in master/slave mode, the power can be extended up to 1 MVA. Multiple operating modes meet different test requirements from single-phase, three-phase, reverse-phase and multi-channel. With the function for generating arbitrary signals, various waveforms, interference signals and grid disturbance waveforms can be simulated.

Applications of the regenerative grid simulators IT7900E series

• Energy storage systems (ESS)
• Energy conversion systems (PCS)
• Intelligent charging of electric vehicles (BOBC, V2X)
• OBC for AC charging piles
• Frequency fluctuation test (SWEEP)
• Voltage fluctuation test (Surge & Sag - overvoltage or undervoltage events)
• Uninterruptible power supply
• AC power supply
• Performance testing of AC-DC power supplies
• Testing electromagnetic compatibility

Specifications of the regenerative grid simulator IT7900E Series

• Voltage: 350 V L-N / 606 V L-L

• Current: up to 1155 A

• Power: up to 231 kVA

• Up to 1 MVA possible with master/slave parallel connection

• Power amplifier for PHiL test (Power Hardware-in-the-Loop)

• Frequency: 16 Hz to 150 Hz

• Compact design, 21 kVA in 3U

• Integrated interfaces: USB / CAN / LXI compliant LAN / digital I/O interface

• Optional interfaces: GPIB / Analog & RS232

• Efficient power regeneration

• Four output modes: AC, DC, AC+DC and DC+AC

• Protection functions: OVP, OCP, OPP, OTP, etc.

• Various waveforms (sine, square, triangle, trapezoid...)

• Import and export of data and waveforms via USB port on the front panel

• Intuitive touchscreen with integrated single-phase and three-phase AC power meter; scope function

• Adjustable phase angle, 0...360°

• Fast response time and high accuracy 0.1 % + 0.2 % FS

• Synthesizer for harmonic and interharmonic waveforms

• Measurement function up to the 50th harmonic (IEC61000-3-2 / 3-12)

• Relay CTRL function for interrupting the connection between the power supply and the DUT

• Supports standard tests according to IEC 61000-4-11 / 4-13 / 4-14 / 4-17 / 4-28 / 4-29

Models of the regenerative grid simulators IT7900E series