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Products & Solutions
Innovative power and test solutions built for efficiency, safety, and reliability.
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AC Power Source
Provides high-precision, low-distortion, and programmable AC power sources that simulate global power grid conditions, suitable for power supply testing in R&D, quality assurance, and production lines. Helps verify the stable operation of home appliances, power supplies, inverters, and other equipment under various power environments.
DC Power Supply
Featuring high power density, rapid response, and stable output, our programmable DC power supplies support a variety of measurement and protection modes. They are widely utilized in fields such as electronic R&D, automotive electronics, battery charging/discharging, and energy testing.
AVR & UPS
Our voltage regulators utilize advanced electronic compensation technology, offering millisecond-level response and superior EMC to effectively safeguard against grid fluctuations. Complemented by high-performance UPS systems, we deliver pure sine wave output and zero transfer time backup, ensuring critical processes and medical data remain stable in any environment.
ATS (Automatic Test System) & Solutions
By deeply integrating high-precision programmable power supplies with intelligent monitoring software, we create a highly flexible and scalable testing architecture. Specifically tailored for demanding sectors such as Electric Vehicles (EV), renewable energy, and aerospace, our systems deliver exceptional dynamic testing performance, empowering enterprises to achieve a comprehensive transformation in production efficiency.
Other Products
To provide a more comprehensive energy testing ecosystem, Preen develops professional-grade auxiliary equipment and carrier solutions for specific standards, in addition to our core AC/DC power sources and test systems. ARLC Series: A professional-grade RLC load simulator independently developed by Preen, specifically designed for green energy equipment R&D and QA. Compliant with international standards such as IEEE 1547 and 1547.1, it can precisely simulate various extreme islanding conditions, including voltage/frequency drift, reactive power imbalance, and perfect power matching.
Technical Support & FAQ
Looking for technical details or application guidance for our products? Find quick answers to common questions about our power solutions below.