With the depletion of primary energy and the increasing environmental pollution, clean and efficient energy utilization has gradually become the mainstream direction of future energy development and utilization. Fuel cells have the attractive characteristics of high efficiency, no pollution, short construction period, easy maintenance and low cost.

The auxiliary power supply system includes auxiliary high-voltage power supply, auxiliary low-voltage power supply and power distribution cabinet.

Feedback electronic load is a load device used for fuel cell engine system, fuel cell stack, power electronic equipment testing, etc. This product is based on PWM bidirectional rectification circuit and wide range voltage converter, which can feed back the energy of the battery to the power grid. It has high accuracy, high conversion efficiency, fast response speed, rich communication interface, and perfect protection function, which can effectively reduce the waste of electric energy during testing.

Energy-consuming electronic load bank adopts high-frequency switching technology and air-cooled heat dissipation mode, which can realize over-temperature, under-voltage, over-voltage, over-current and other protection functions.

Energy-consuming electronic load adopts high-frequency switching technology, circuit design and control module with independent intellectual property rights, which can realize 10-1000ν wide range input of fuel cell, and can work in constant current, constant voltage, constant resistance and constant power mode.