Development of a tester for evaluation of prototype thermal cells and batteries

R. Guidotti
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Abstract

A tester was developed to evaluate prototype thermal cells and batteries-especially high-voltage units-under a wide range of constant-current and constant-resistance discharge conditions. Programming of the steady-state and pulsing conditions was by software control or by hardware control via an external pulse generator. The tester was assembled from primarily Hewlett-Packard (H-P) instrumentation and was operated under H-P's Rocky Mountain Basic (RMB). Constant-current electronic loads rated up to 4 kW (400 V at up to 100 A) were successfully used with the setup. For testing under constant-resistance conditions, power metal-oxide field-effect transistors (MOSFETs) controlled by a programmable pulse generator were used to switch between steady-state and pulse loads. The pulses were digitized at up to a 50 kHz rate (20 /spl mu/ s/pt) using high-speed DVMs; steady-state voltages were monitored with standard DVMs. This paper describes several of the test configurations used and discusses the limitations of each. Representative data are presented for a number of the test conditions.<>
开发用于评估热电池和电池原型的测试器
开发了一个测试器来评估原型热电池和电池-特别是高压单元-在广泛的恒流和恒阻放电条件下。稳态和脉冲条件的编程是通过软件控制或通过外部脉冲发生器的硬件控制。该测试仪主要由惠普(hp)的仪器组装而成,并在惠普的Rocky Mountain Basic (RMB)下运行。额定功率高达4kw (400v, 100a)的恒流电子负载已成功用于该装置。为了在恒阻条件下进行测试,使用可编程脉冲发生器控制的功率金属氧化物场效应晶体管(mosfet)在稳态和脉冲负载之间切换。使用高速DVMs以高达50 kHz的速率(20 /spl mu/ s/pt)对脉冲进行数字化;用标准DVMs监测稳态电压。本文描述了使用的几种测试配置,并讨论了每种配置的局限性。提供了许多试验条件下具有代表性的数据
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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