Itech IT7900EP

Itech IT7900EP High Performance Regenerative Grid Simulator and AC Electronic Load.

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Descripción

Itech IT7900EP High Performance Regenerative Grid Simulator and AC Electronic Load.

Adopting advanced SiC technology, the IT7900EP 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 save a lot of electricity and heat dissipation costs. Compact, modular and efficient structure design allows the IT7900EP up to 21kVA in 3U single unit, and its power can be extended to 1MVA after master-slave parallel connection.

Colorful touch screen with intuitive GUI allows IT7900EP to directly define different waveforms. The rich operation modes can meet the test requirement of single-phase, three-phase, reverse-phase. It provides high flexibility for testing and can be widely used in many fields such as PV, ESS and EV.

All in one unit: Itech IT7900EP series integrates 3 products, a grid simulator(IT7900), an AC/DC power supply (IT7800) and a regenerative AC/DC load (IT8200).

4-Quadrant output: Itech IT7900EP series is not only a full four-quadrant power grid simulator, but also a full four-quadrant AC/DC electronic load. It can operate in all four quadrants. The efficient energy regeneration function makes it good for testing the frequency change of grid-connected PV inverters, voltage transients and anti-islanding protection.

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 (*1).
  • 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.
  • Support CANopen*2、Modbus、LXI、SCPI communication.
  • Full protection functions including automatic clearing,POVP ,watchdog, etc.

Source Features

  • Regenerative grid simulator & full 4-Quadrant AC&DC power sources.
  • Frequency: 16-2400Hz *4.
  • Power Amplifier function for PHiL applications.
  • Four output modes of AC/DC/AC+DC/DC+AC can be realized.
  • Programmable output impedance,simulation of real-world impedance.
  • Harmonic/inter harmonic synthesis.
  • Compliance tests incl. LVRT /PhaseJump/Frequency variation/harmonic injection.
  • Supported regulatory testing includeIEC61000-4-11/4-13/4-14/4-28.
  • Frequency lock and phase lock function to achieve 6 phase& 12 phase power output.
  • Compliance tests incl. LVRT /Phase Jump/Frequency variation/harmonic injection.
  • Optional software can help complete thepre-compliance standards test of civil avionics/electrical shipsinterms of the multi-national safety regulations.

*4 In grid simulator and island simulation mode, 16~150Hz
*6 After the rectification function is turned on, the setting range of the phase shift is restricted by the crest factor

Load Features

  •  Regenerative full 4-Quadrant AC&DC load.
  • Input 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~180º *4
  • 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.
  • Supporting unloading angle control, 0-359° adjustable

*4 After the rectification function is turned on, the setting range of the phase shift is restricted by the crest factor

ITECH IT7900P Models

Itech IT7900P Models