Safe Distances From a High-Energy Capacitor Bank for Ear and Lung Protection

Report No. ARL-TN-608
Authors: Charles R. Hummer; Richard J. Pearson; Donald H. Porschet
Date/Pages: June 2014; 16 pages
Abstract: High-energy capacitor banks may have a significant amount of residual energy after a test or malfunction. This presents distinct hazards from shock, arc flash, projectile, and lung/ear/eye when the capacitor bank is to be manually rendered safe. Although standard operating procedures address most of these hazards, the danger to the ear and lung from the over-pressure of an arc blast has not been satisfactorily established. This lung and ear danger is addressed in this report, along with proposed mitigation techniques.
Distribution: Approved for public release
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Last Update / Reviewed: June 1, 2014