毫瓦电源概念的实验验证

A. Pustovalov, V. Gusev, A. Borshchevsky, A. Chmielewski
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引用次数: 9

摘要

介绍了微型RTG毫瓦电源(PS)的研制和试验结果。PS模型的开发是基于标准的1.0 W热功率的轻质放射性同位素加热器(RHU),以钚-238为燃料。这种RHU被成功地应用于伽利略号、卡西尼号、火星探路者号等航天器上。通过计算,确定了能达到最大功率的PS的最佳参数。制备了两种PS改型的实验样品:PS-1(带有1个RPIU)和PS-2(带有2个RI-IUs),分别配备了RHU和Bi-Te-Sb-Se合金热电电池(TEB)。实验测试结果证实,ps - 1和PS-2的功率水平分别可达到25mw和53mw。计算和实验分析表明,PS-2在5 V电压下的电功率可提高到70 mW。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Experimental confirmation of milliwatt power source concept
The results of development and tests of mini RTG, milliwatt power source (PS) are presented. The development of PS model is based on the standard Light Weight Radioisotope Heater Unit (RHU) of 1.0 W thermal power, fueled by Plutonium-238. This RHU was successfully used on the spacecraft Galileo, Cassini, Mars Pathfinder etc. The computations were carried out and the optimum parameters of PS, for which maximum power can be achieved, were determined. Experimental samples of two PS modifications, equipped with electrical equivalents of RHU and thermoelectric batteries (TEB) made of Bi-Te-Sb-Se alloys, were fabricated: PS-1 (with one RPIU) and PS-2 (with two RI-IUs). The results of experimental tests have confirmed that an electrical power level of 25 mW can be achieved in PS-I and of 53 mW-in PS-2. The analysis of the calculations and experiments shows that the electrical power of PS-2 can be increased up to 70 mW at 5 V.
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