AI² Static Inverters are supplied at power levels ranging from 20VA single phase to 37.5kVA three phase. Light weight, small size and high reliability are achieved with the use of high frequency switching circuitry. Static inverters are designed to operate within the most stringent environments. Static inverter units are qualified to meet FAA and military standards for mission critical equipment. Applications include large-scale commercial air transport, corporate and private aircraft, ground mobile shelters, and forward area military back-up power.

Static Inverters use a two-stage power conversion topology that provides superior regulation of the output voltage over wide input line variations. A high frequency switching DC/DC converter isolates and scales the input 28 VDC voltage to a high voltage internal DC bus. Power is transferred to a high frequency DC/AC bridge inverter circuit to generate an output of 115VAC or 230VAC at 50Hz, 60Hz or 400Hz. Current mode control provides for stable operation into any load, including the non-linear and dynamic loads seen in critical applications.

AI² static inverters can be connected in parallel or three phase for higher power ratings. The control topology ensures proportional current sharing without the need for output voltage matching. Fast output response and stable feedback loops provide for a static inverter unit design with high reliability, low weight and high efficiency.