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    Applications
  • Worldwide Electric Power System Simulation Worldwide Electric Power System Simulation Preen's AFV+ series is able to simulate multiple power systems, whether it is three-phase or single-phase. Combined with the functions of adjustable phase angle, voltage and frequency, the AFV+ series can realize worldwide power systems in single unit, and further saves the cost and footprint.
  • Research & Compliance Institute Research & Compliance Institute AC power sources or frequency converters are widely used in home appliance industry to provide quality power source and simulate different voltage and frequency for export or compliance test purposes. They have become an indispensable instrument in R&D and production phases.
  • Switching Power Supply Switching Power Supply How to run inrush current testing with a ''small'' AC source? Preen's AFV-P series provides standard inrush current capability up to 4.5 times of output rated current (Irms) and optional 9 times inrush capability. It is an ideal AC power source for high inrush current drawn by the switching power supplies and helps users to effectively save the cost and space.
  • Renewable Energy Renewable Energy Due to the growing demands for cleaner energy source, markets of renewable energy devices such as PV inverters and electrical vehicles have been steadily increasing. Many renewable energy need to be fed into the conventional power grid for practical utilization, but with possibility of abnormal conditions.
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