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3/15/62 ^2 Mr FX—h Tub* 0. M. Miller Introduction in order to perform the various experimants with a bubble oh—h»r. a high designed and constructed to power these leaps. Spec ifications with a r ilo- vol tmet or for each supply plus the necessary over-current protection and control equipment. Peserirtion circuit is a conventional relay operated circuit with interlock switches from with the firing circuit is also switched through this circuit. Into a "Y" configuration. The power supplies are staple fuil wave center tapped rectifiers —ploying througt. a large charging resistor. Aveileble from the Office of Technicel Serices Depertment of Commerce Washington 25, O. C. MIR - 117 '•iSTER to 2 kv with a repetition rate of not less than 0.8 second. 4 v control --ansi containing 3 powerstats, one for each supply, together intensity flash tube is used. This report briefly describes the power supplies Thres supplies operated reotely are to be capable of charging 100 mrd phase circuit or fron a 208 V 30 circuit with the individual supplies combine. silicon rectifiers. The output charges a self-contained 100 md capacitor 4 "Poworstat" for adjusting its supply, a meter, and the as in control relay. The The control panel consists of 3 identical suctions. each section contains a the power supplies wired in series with the off button. A 300 volt suppl} used The a.e. input for the three sections may be powered from a 117 VAC single Focsimile Pices_/.c Microflim Piice s _5o
The power supplies designed and constructed to power high-intensity flash tubes are described. Three supplies, capable of charging 100 mfd to 2 kv with a repetltion rate of not less than 0.8 sec, are operated remotely from a control panel containing 3 powerstats. The power supplies are full wave center trapped rectifiers employing silicon rectifiers. (M.C.G.)
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