References

SAS1000 Solar array software for IT6500C/IT6000B/IT6000C/IT-M3600

SAS1000L Solar array software for IT6500C/IT6000B/IT6000C/IT-M3600 (power ≤15kW)

SAS1000M Solar array software for IT6500C/IT6000B/IT6000C/IT-M3600 (multi-channel)

ITECH introduces its latest high-speed, high-performance photovoltaic simulation solution. When combined with high-power DC power supplies, the SAS1000/L solar array simulation software accurately reproduces solar array I-V curves, with output voltage up to 2250 V and scalable system power up to 10 MW.

The system delivers fast dynamic response, excellent control accuracy, high repeatability, outstanding stability, and precision performance. It features built-in simulation models compliant with EN 50530, Sandia National Laboratories PV model, NB/T 32004, CGC/GF004, and CGC/GF035.

Users can easily configure test regulations, material types, Vmp, Pmp, and other parameters to simulate I-V curve characteristics and automatically generate test reports. The software is ideal for static and dynamic maximum power point tracking (MPPT) performance testing of photovoltaic inverters.

Product Features

• Automatic wide-range output, with voltage up to 2250 V
• Scalable power up to 10 MW
• Built-in I-V curve mathematical model for accurate solar array simulation
• Simulation of various solar cell technologies (monocrystalline, polycrystalline, thin-film), including Fill Factor configuration
• I-V curve simulation under varying temperature and irradiation conditions
• Shading simulation for solar panels (e.g., cloud or tree shadow scenarios)
• Static and dynamic MPPT efficiency testing
• Built-in EN 50530, Sandia National Laboratories PV model, NB/T 32004, CGC/GF004, and CGC/GF035 test programs with automatic report generation
• Graphical user interface with real-time MPPT status monitoring
• Automatic programming of up to 100 I-V curves via Voc, Isc, FF, Pm, and other parameter points
• Support for 100 × 128-point curves and 4096-point high-resolution programming
• Adjustable output impedance
• Independent edge configuration for multiple operating modes, with adjustable rise and fall times
• Seamless bidirectional current switching for rapid cell charge and discharge simulation/li>
• Built-in DIN 40839 and ISO 16750-2 compliance
• Standard USB, RS232, GPIB, and LAN (LXI compliant) interfaces
• Support for up to 20 solar power supplies for multi-channel MPPT testing

Applications

• Design and validation of PV inverter MPPT circuits and algorithms
• Verification of inverter MPP voltage range and full-load MPP voltage range/li>
• Validation of static maximum power tracking efficiency
• Dynamic MPPT performance testing according to EN 50530, Sandia National Laboratories PV model, NB/T 32004, CGC/GF004, and CGC/GF035
• Verification of inverter start-up voltage, maximum input voltage, maximum input current, and related electrical parameters
• MPPT validation under partial shading conditions
• DC terminal protection testing (OVP, OPP)
• Validation of microgrid control centers and photovoltaic energy storage control functions
• MPPT performance verification from sunrise to sunset operating conditions
• Total and conversion efficiency testing of inverters when used with the IT9100 power analyzer

References

IT-N2121 Solar array simulator 80 V, 25 A, 800 W

IT-N2131 Solar array simulator 80 V, 25 A, 1500 W

IT-N2123 Solar array simulator 150 V, 10 A, 800 W

IT-N2133 Solar array simulator 150 V, 10 A, 1500 W

The IT-N2100 Series Solar Array Simulator is a high-performance DC power supply designed to accurately replicate real-world photovoltaic (PV) array behavior. With ultra-fast I–V curve response and advanced simulation capabilities, it enables precise testing of solar microinverters, power optimizers, and PV power systems under dynamic environmental conditions.

The system faithfully reproduces solar panel characteristics across varying temperature, irradiance, shading, and aging scenarios. Its high-voltage architecture, ultra-low ripple performance, and rapid MPPT response make it an ideal solution for R&D, validation, and production testing environments.

Key Features

• High-precision simulation of silicon, GaAs, and other PV technologies
• Ultra-fast dynamic response optimized for MPPT efficiency testing
• Up to 1500V DC common-mode voltage for series DUT testing
• Advanced I–V curve modeling, including dynamic and cloud-shading simulations
• Built-in compliance testing for EN50530, Sandia, NB/T32004, CGC/GF004, and CGC/GF035 standards with automated reporting
• 4096-point I–V curve fitting in table mode
• Four-point rapid I–V curve generation (Voc, Isc, Vmp, Imp)
• Multi-channel synchronous control capability
• Ultra-low ripple and high-precision measurement performance
• Comprehensive protection: OVP, OCP, OPP, OTP
• Compact 2U half-rack design
• 4.3” HD graphical interface with real-time MPPT monitoring
• LAN, USB, and digital I/O interfaces with SCPI command support

The IT-N2100 provides a reliable, flexible, and standards-compliant solution for advanced photovoltaic system validation.