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Ultrahigh-voltage aerospace switching power supply circuit topological structure

A technology of switching power supply circuit and topology structure, which is applied in the direction of electrical components, adjusting electrical variables, instruments, etc., can solve the problems of high voltage DC power switch stress, etc., achieve high power density, large output power, and reduce output voltage ripple Effect

Inactive Publication Date: 2020-12-08
BEIJING SATELLITE MFG FACTORY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem solved by the present invention is: to overcome the deficiencies of the prior art, provide a circuit topology of ultra-high voltage aerospace switching power supply, solve the problem of high voltage DC power switch stress, and realize the feasibility of isolated high voltage power supply for aerospace, Low current high voltage DC power supply suitable for high performance

Method used

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  • Ultrahigh-voltage aerospace switching power supply circuit topological structure
  • Ultrahigh-voltage aerospace switching power supply circuit topological structure
  • Ultrahigh-voltage aerospace switching power supply circuit topological structure

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Embodiment Construction

[0023] In order to better understand the above technical solutions, the technical solutions of the present application will be described in detail below through the accompanying drawings and specific examples. It should be understood that the embodiments of the present application and the specific features in the examples are detailed descriptions of the technical solutions of the present application, and It is not a limitation to the technical solutions of the present application, and the embodiments of the present application and the technical features in the embodiments can be combined without conflict.

[0024] The invention relates to a circuit topology of an ultra-high voltage aerospace switching power supply. The circuit topology adopts magnetic isolation technology, which means that the input and output (output positive or negative, ground) of the power supply module are completely isolated electrically, and the isolation is realized by magnetic field and magnetic isolat...

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Abstract

The invention belongs to the technical field of aerospace power supplies and power supply and distribution, and relates to an ultrahigh-voltage aerospace switching power supply circuit topological structure. The structure is composed of a forward and reverse excitation circuit and a voltage doubling rectifying circuit. According to the ultrahigh-voltage aerospace switching power supply circuit topology, the kilovolt-level output voltage can be achieved, the topological structure is simple, the size is small, and the size and the weight of a transformer are reduced. The circuit topology is suitable for a switching power supply with kilovolt-level output voltage and milliampere-level output current.

Description

technical field [0001] The invention relates to a topological structure of an ultra-high voltage aerospace switching power supply circuit, belonging to the technical field of aerospace power supply and power supply and distribution. Background technique [0002] With the advancement of military aerospace technology, in future wars, the combat principle of "integration of land, sea, air, and space" will be further developed, and "control of space" and "control of information" will become the key to victory in future wars . On this basis, various reconnaissance and communication satellites have developed rapidly. The spacecraft altitude control device realizes the altitude control of the spacecraft during the launch process through the ultra-high voltage aerospace power supply. Commercial aerospace small satellite electric propulsion systems have the characteristics of low power, light weight, and high performance, and there is an urgent need for the development of low-power...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/335H02M7/10H02M1/14
CPCH02M1/14H02M3/33523H02M7/10
Inventor 张宇环王儒刘密王亚男朱博威马涛任飞郑莎纪明明郑岩高逸飞支树播飞景明张宇杜卓宏曹辰磊赵闯张国帅王森王文强王强汪伟光
Owner BEIJING SATELLITE MFG FACTORY
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