Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1906 - 192 стор. |
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William Baxter. THE N1 PUBLIC LIA 570063 ASTOR LENGA ND TILDEN R 1907 Copyrighted 1905 by the Derry - Collard Company . Switchboards In a very small , isolated plant , where.
William Baxter. THE N1 PUBLIC LIA 570063 ASTOR LENGA ND TILDEN R 1907 Copyrighted 1905 by the Derry - Collard Company . Switchboards In a very small , isolated plant , where.
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alternating current ammeter amperes angle armature arranged branch circuits break switches bus bars cables circuit breaker circuit connections close the circuit conducting bars conductors connected with bus construction cross section current passes current strength Derry Collard Derry Collard Co desired devices diagram distributing circuits double throw Electric equalizing bus equalizing wires erator feed field coils field regulator Figure four fuse ground detector hence increased independent Independent Circuits instruments insulation lamps lever light board lightning arrester located lower machines magnet main switch marble slabs means meter nected Non-arcing metals operated panel Phase Switchboard rent resistance rheostats safety fuse seen series coils set of busses short circuit shown in Fig shows shunt single phase sockets spark street mains switch blade switch S2 synchronizing three phase three-wire system tion transformers upper vapor vertical voltage voltmeter volts wattmeter Westinghouse