PHETS (Permanent High Explosive Test Site) Lightning Hardening Program: Misty Picture Event

摘要

The Permanent High Explosive Test Site (PHETS) test bed electrical topology and data flow are presented along with various equipments used in the topology. Using this information, recommendations are made to harden the test bed instrumentation to electrical transients. These transients may be caused by lightning or electrostatic discharge. Specific attention is given to the junction box design, the shorting blocks, use of shielded cables, protection of the sensors, and the instrumentation bunker/container. Additional attention is given to the protection of personnel from lightning effects. Also it is recommended the optimum design is of a Faraday cage concept that completely encases the instrumentation from sensor to permanent recording medium. The optimum design should be prototyped and tested using the Precision Test bed and current injection before general application to the PHETS. Keywords: Lightning, Lightning protection, Surge protection, High explosives, Instrumentation, Sensors. (jhd)