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UTC OTIS UTC CLIMATE, CONTROLS & SECURITY PRATT & WHITNEY UTC AEROSPACE SYSTEMS

Variable Frequency Generator

Variable frequency generators (VFG) provide simplified power generation solutions for aircraft designs that incorporate variable frequency electrical systems. The VFG essentially eliminates the need for a constant speed drive, as the generator is allowed to rotate at a variable speed. Through the use of power electronics and conversion equipment, this type of electrical power can be used to power a variety of aircraft electrical loads.

Our use of variable frequency generation systems for high-power AC electrical systems is unmatched.  Through research and advanced technology development, our engineers have adapted this type of power generation system to perform functions not previously performed by AC electrical systems, including main engine starting. With main engine electrical starting, aircraft AC electrical systems no longer have to rely upon pneumatic starting equipment at destination airports.​