Preen's EVSE ATS is designed for verification of AC and DC EV chargers, which comply to regulation of SAE-J1772 and CNS15511, NB/T33001, NB/T33002, NB/T33008.1 and NB/T33008.2, GB/T 18487.1 and GB/T 27930; and Interoperability test specifications ofelectric vehicle conductive charging.

• Compatible with Various Types of EV Charger
• Complies with international regulations
• Intuitive SoftwarePlatform
• Flexible System Configuration
• Automatic testing for electric performance test and communication protocol test

Islanding is a major challenge in distributed generation systems. Preen’s in-house designed RLC Load ,simulates a full range of islanding scenarios per IEEE 1547 and 1547.1 standards. It replicates voltage and frequency drift, reactive power imbalance, and perfect power match—ideal for stress testing and system stability validation.

• Simulates critical islanding conditions with precision
• Modular design supports scalable parallel operation
• Integrated solar simulation and automated testing system
• User-friendly graphical interface for easy test operation

The Smart Inverter ATS is a photovoltaic automatic test system launched by Preen lately can meet the electrical performance test of relevant grid-connected test standards such as IEEE1547.1, EN50530, NB/T32004, CNS15382 and CNS15599.

• HVRT/LVRT/ZVRT Test
• Anti-islanding Testing
• Intuitive Remote Control Software
• Harmonics Waveform Synthesis Function(Opt.)