Spacecraft power supply system based on droop control

A power supply system and spacecraft technology, applied in the field of spacecraft power supply, can solve problems such as poor scalability and insufficient power level, and achieve the effects of fast response speed, strong power adjustment ability, and high degree of generalization

Active Publication Date: 2021-07-09
BEIJING INST OF SPACECRAFT SYST ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of insufficient power level and poor scalability of the existing spacecraft power supply system, the present invention provides a spacecraft power supply system based on droop control, the power Strong adjustment ability, fast response to various loads

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  • Spacecraft power supply system based on droop control
  • Spacecraft power supply system based on droop control
  • Spacecraft power supply system based on droop control

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Embodiment Construction

[0031] In order to enable those skilled in the art to better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0032] Such as figure 1 As shown, a spacecraft power system based on droop control is used to provide power supply for the load connected between the platform bus and the pulse bus. The spacecraft power system includes an active power regulator, a grid-connected controller, a charging Regulating module, discharge regulating module, solar cell array and battery pack; It can be seen that the power supply system output platform busbar and pulse busbar involved in the present invention have two busbars in total, and the platform busbar is a voltage source, and the pulse busbar is a current source. For platform load and pulse load; the platform bus is formed by parallel conn...

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Abstract

The invention provides a spacecraft power supply system based on droop control, which is characterized in that power supply priorities of different energy sources, namely an active power regulator, a grid-connected controller, a charging regulation module and a discharging regulation module, to an external load are determined according to an interval range of output voltage of a platform bus, namely a power supply power range required by the load; meanwhile, the active power regulator, the grid-connected controller, the charging regulation module and the discharging regulation module all adopt a droop method for power control, and different power regulators adopt different droop control strategies. Compared with the prior art, according to the double-bus spacecraft power supply system design method based on droop control, the problem of a power control method of a super-power power supply system is solved, the system power adjusting capacity is high, the response speed to various loads is high, and the system control logic is simple and reliable.

Description

technical field [0001] The invention belongs to the technical field of spacecraft power supplies, in particular to a spacecraft power supply system based on droop control. Background technique [0002] In the spacecraft power system, the solar cell array generally generates electricity through the photoelectric effect, provides energy for the spacecraft during the light period, and charges the battery pack; the battery pack provides energy for the spacecraft during the non-light period; when the short-term power of the spacecraft When the demand is greater than the power generated by the solar array, the battery pack will also participate in the joint power supply as a backup power supply. With the continuous increase of spacecraft power demand, ultra-high power power supply system has become the development trend of high-power spacecraft energy system in the future. The traditional solar cell array is uniformly arranged, and the unified MEA method will not be able to meet ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/32H02J3/46
CPCH02J3/381H02J3/32H02J3/466H02J2300/24Y02E10/56
Inventor 张明李海津刘奕宏王超张文佳张晓峰陈琦夏宁
Owner BEIJING INST OF SPACECRAFT SYST ENG
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