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Tsinghua-1 Micro-Satellite Power System Architecture and Design 被引量:4

Tsinghua-1 Micro-Satellite Power System Architecture and Design
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摘要 The Tsinghua 1 Micro satellite, the first satellite made by Tsinghua University, was launched in 2000. The power system of the Tsinghua 1 Micro satellite is one of the most important subsystems. It provides all the power for the satellite platform and the payloads. The power system design includes the regulation, protection and distribution of a 4×35 W solar array and 7 Ah NiCd batteries. This subsystem essentially offers two buses: an unregulated 14 V bus and a regulated 5 V bus. All distributed power lines to the users are protected by current tripping switches. In addition, some essential loads, such as the tele command system, are supplied through fuses. The Tsinghua 1 Micro satellite power system provides an efficient, flexible, reliable, and cost effective solution for small satellites in low earth orbit. A better maximum power point tracking method has been used to increase reliability margins and to increase the efficiency of the power system. The power system reliability was evaluated using several different tests, such as the power board test, the assembly integrate test (AIT), the electromagnetic compatibility (EMC) test and the thermal vacuum test (TVT). The Tsinghua 1 Micro satellite, the first satellite made by Tsinghua University, was launched in 2000. The power system of the Tsinghua 1 Micro satellite is one of the most important subsystems. It provides all the power for the satellite platform and the payloads. The power system design includes the regulation, protection and distribution of a 4×35 W solar array and 7 Ah NiCd batteries. This subsystem essentially offers two buses: an unregulated 14 V bus and a regulated 5 V bus. All distributed power lines to the users are protected by current tripping switches. In addition, some essential loads, such as the tele command system, are supplied through fuses. The Tsinghua 1 Micro satellite power system provides an efficient, flexible, reliable, and cost effective solution for small satellites in low earth orbit. A better maximum power point tracking method has been used to increase reliability margins and to increase the efficiency of the power system. The power system reliability was evaluated using several different tests, such as the power board test, the assembly integrate test (AIT), the electromagnetic compatibility (EMC) test and the thermal vacuum test (TVT).
作者 吴知非 尤政
出处 《Tsinghua Science and Technology》 SCIE EI CAS 2001年第4期289-293,共5页 清华大学学报(自然科学版(英文版)
基金 "98 5" Foundation of Tsinghua University
关键词 micro satellite power system solar array BATTERY micro satellite power system solar array battery
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参考文献2

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  • 2Dan Olsson.A power system for a micro-satellite.In: Proceedings of the European Space Power Conference[].Augustinianum.1993

同被引文献32

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  • 2崔文聪,林宝军,吕从民.近地卫星电源系统能量的仿真分析[J].计算机仿真,2005,22(8):35-36. 被引量:11
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