Independent speed variable frequency generator for more electric aircraft using brushless doubly-fed machines (bdfm)
AssigneeOhio State Innovation Foundation
InventorsJulia Zhang, Longya Xu, Peng Peng
Life of this patent
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Abstract
A turboelectric distributed propulsion based on brushless doubly-fed machines (BDFMs) is provided, which minimizes power conversion, enhances mechanical reliability, and strengthens fault-tolerance capability of a DC-based propulsion system. A turboelectric distributed propulsion (TeDP) architecture using BDFMs for aviation applications, and a designed BDFM, inverter, and controller are provided. Simulations and systems are also provided.
Claims20
A turboelectric distributed propulsion (TeDP) system comprising:
- an engine;
- a generator comprising a plurality of control windings and a plurality of power windings, wherein the generator is driven by the engine;
- a plurality of motors, wherein the power windings of the generator are directly connected to power windings of the motors;
- and
- a plurality of bidirectional converters, wherein the control windings of the generator and the motors are individually controlled by a respective one of the bidirectional converters.
A turboelectric distributed propulsion (TeDP) system comprising:
- a first brushless doubly-fed machine (BDFM);
- and
- a second BDFM,
- wherein the first BDFM is configured as a generator, and the second BDFM is configured as a motor.
A turboelectric distributed propulsion (TeDP) comprising a plurality of brushless doubly-fed machines (BDFMs) configured for use with an aviation application.
Dependencies are inferred from the claim text.