Voltage regulating device of aviation alternating-current generator
A technology of alternators and voltage regulating devices, which is applied in the direction of controlling generators, emergency protection circuit devices, and controlling generators through changes in the magnetic field. It can solve problems such as poor power supply quality and abnormal operation of voltage regulating devices, and achieve voltage regulation High precision, good dynamic characteristics, stable and reliable dynamic characteristics
Active Publication Date: 2020-04-14
SHAANXI AVIATION ELECTRICAL
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Problems solved by technology
[0006]
Conventional Voltage Regulator Voltage Regulation Circuit (Exemplary Reference
figure 1
part of resistor R10-R12) and high phase protection circuit (exemplary reference
figure 1
The V10-V12 part) is superimposed and coupled through the resistor R28. During the voltage regulation process, the high-phase circuit will participate in the voltage regulation, which will lead to poor power supply quality and abnormal operation of the voltage regulation device.
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[0024] In order to make the objectives, technical solutions and advantages of the implementation of the application clearer, the technical solutions in the implementation modes of the application will be described in more detail below with reference to the drawings in the implementation modes of the application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the present application. The embodiments described below by referring to the figures are exemplary and are intended to explain the present application, and should not be construed as limiting the present application. Based on the implementation manners in this application, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the scope of protection of this application. Embodiments of the pr...
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The invention provides a voltage regulating device of an aviation alternating-current generator. The device comprises an averaging circuit (5) and a high-phase circuit and is used for regulating the voltage of the alternating-current generator, the high-phase circuit is further provided with a high-phase limiting circuit (6), the high-phase limiting circuit (6) is connected with a high-phase forbidding circuit (8), and the high-phase forbidding circuit (8) is used for forbidding high-phase circuit output when no open-phase fault exists, conversely, the high-phase circuit outputs; wherein the output end of the high-phase circuit and the output end of the averaging circuit (5) are respectively connected to the input end of a comparator D101C to form an averaging high-phase selection circuit(9), and the averaging high-phase selection circuit (9) shields the averaging circuit (5) when the high-phase circuit outputs a high level. The superposition coupling of a voltage regulating circuit and the high-phase circuit is avoided, and the device has the advantages that voltage regulating precision is high, the high-phase circuit and the voltage regulating circuit are independent, and dynamic characteristics are good, stable and reliable.
Description
technical field [0001] The invention belongs to the technical field of motor design, and in particular relates to a voltage regulating device for an aviation alternator. Background technique [0002] In the field of aviation power supply, the AC power system generally consists of a generator, a controller and a current transformer. [0003] The generator adopts a three-stage aviation motor. The first-stage motor (secondary exciter, PE) is a permanent magnet generator. In addition to providing excitation power, PE also supplies power to other electrical systems that are part of the generator. The second-stage motor (main exciter, ME) receives the excitation excitation from PE, and the output of the armature winding of the exciter is connected to the axially installed three-phase full-bridge rectifier circuit, and the rectified direct current provides a rotating excitation field for the third motor . The third-stage motor (main generator) accepts the rectified output of ME t...
Claims
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IPC IPC(8): H02P9/00H02P9/30H02H7/06H02P101/30
CPCH02P9/00H02P9/30H02P9/006H02H7/06H02P2101/30
Inventor 邸庆龙何跃黄珂龙梁少盟李泸冰
Owner SHAANXI AVIATION ELECTRICAL