Energy feedback and management system of airborne power supply system
An energy feedback and management system technology, applied in the field of aviation electrical systems, can solve the problems of low practical feasibility, small management power range, high volume and weight cost, etc., and achieve the effects of wide management power range, stable voltage and improved reliability
Active Publication Date: 2021-11-05
BEIHANG UNIV
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Problems solved by technology
However, supercapacitors or batteries are generally used as a single energy storage device, with high volume and weight costs, small management power range, and low practical feasibility
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[0038] A schematic diagram of a layer structure according to an embodiment of the present application is shown in the accompanying drawings. The figures are not drawn to scale, with certain details exaggerated and possibly omitted for clarity. The shapes of the various regions and layers shown in the figure, as well as their relative sizes and positional relationships are only exemplary, and may deviate due to manufacturing tolerances or technical limitations in practice, and those skilled in the art will Regions / layers with different shapes, sizes, and relative positions can be additionally designed as needed.
[0039] Apparently, the described embodiments are some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application. In the description of the present applicat...
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The invention discloses an energy feedback and management system of an airborne power supply system, which is a parallel storage battery and super capacitor hybrid energy storage topological architecture and is composed of a 270V high-voltage direct-current energy storage device (100) and a bidirectional energy control and conversion device (200). The 270V high-voltage direct-current energy storage device is composed of a high-voltage storage battery system (110), a high-voltage super-capacitor system (120) and a monitoring module (130). The bidirectional energy control and conversion device is composed of a bidirectional conversion channel (210), a bidirectional short-time high-power channel (220), an emergency discharge module (230), a contactor straight-through channel (240) and an energy bidirectional flow control and monitoring module (250). Through the high-voltage direct-current energy storage device and the bidirectional energy control and conversion device, energy compensation, energy feedback absorption and emergency power supply of the airborne 270V high-voltage direct-current bus bar are realized, the voltage stability of the bus bar is maintained, and the energy feedback and management system bus bar has the advantages of high reliability, high power level, small size and light weight.
Description
technical field [0001] This application belongs to the technical field of aviation electrical systems. Specifically relates to an energy feedback and management system of an airborne power supply system. Background technique [0002] The airborne 270V high-voltage DC power supply system has the advantages of simple structure, high energy conversion efficiency and power density, high reliability, and strong adaptability to nonlinear loads. It is the main development direction of modern aircraft power supply systems. With the continuous leadership and promotion of multi-electric / all-electric technology, high-power electric actuators are increasingly used in aircraft rudder control, engine control, landing gear retraction and braking systems, etc. High-power electric actuators will generate a large amount of instantaneous regenerative electric energy during braking operation, which seriously affects the stability of the airborne power supply system. [0003] At present, the c...
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IPC IPC(8): H02J7/34
CPCH02J7/34H02J7/345
Inventor 徐金全张博一苏树业郭宏
Owner BEIHANG UNIV