Aviation three-level AC power generator rotary rectifier online fault diagnosis method
A technology for rotating rectifiers and alternators, applied in motor generator testing and other directions, can solve problems such as increased network complexity, impact on diagnostic accuracy, and precocious evolutionary algorithms, reducing the number of requirements, fast learning, and ensuring local optimality. excellent effect
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[0034] The technical solution of the present invention will be described in detail below in conjunction with descriptions 1, 2, 3, 4, and 5 of the accompanying drawings.
[0035] The invention designs an online fault diagnosis method for the rotary rectifier of an aviation three-stage alternator based on an optimization extreme learning machine. The schematic diagram of the basic structure of the aviation three-stage alternator is as follows: figure 1As shown, it mainly includes the main generator, AC exciter, rotating rectifier and auxiliary exciter (permanent magnet generator). This type of generator is also called rotating rectifier brushless alternator. The auxiliary exciter The permanent magnets, the armature winding of the AC exciter, the rotating rectifier and the field winding of the main generator are located on the generator rotor, and other components are located on the generator stator. When the generator is working, the three-phase AC power generated by the auxil...
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