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:*
- Voltage/current harmonic analysis, voltage harmonic simulation in source mode, current harmonic simulation in load mode, fundamental wave ≤ 60Hz
- Stay tuned
- In grid simulator and islanding simulation mode, 16-150Hz
- 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.