Thermal study of battery charge control by temperature derivative reduction

Details Thermal study of battery charge control by temperature derivative reduction Thermal study of battery charge control by temperature derivative reduction

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.294..187h&link_type=abstract

In ESA, European Space Power, Volume 1 p 187-192 (SEE N90-17678 10-20)

Mathematics

Charge Efficiency, Control Systems Design, Electric Equipment Tests, Storage Batteries, Thermal Simulation, Control Equipment, Electric Batteries, Mathematical Models, Thermal Cycling Tests

Scientific paper

A battery charge control technique, invented at ESTEC in 1983, which relies upon the changes in the battery cell temperature time derivative which accompany the onset of overcharge is described. A thermally realistic portion of a typical flight battery is constructed and tested in parallel with detailed thermal modeling in order to develop the technique further. Comparisons between thermal model and test results are presented and show satisfactory agreement. Optimum positions for the temperature sensors within the battery are identified, taking into account sensitivity to cell temperature changes as well as to thermal perturbations due to external effects.

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