Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1906 - 192 стор. |
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Сторінка 5
William Baxter. Switchboards For Power , Light and Railway Service - Direct and Alternating Current - High and Low Tension BY WM . BAXTER , JR . DERP THE New York COMPANY THE N1 PUBLIC LIA 570063 ASTOR LENGA ND TILDEN R. 1906.
William Baxter. Switchboards For Power , Light and Railway Service - Direct and Alternating Current - High and Low Tension BY WM . BAXTER , JR . DERP THE New York COMPANY THE N1 PUBLIC LIA 570063 ASTOR LENGA ND TILDEN R. 1906.
Сторінка 8
... lights , the dynamo was stopped . Before long it became evident that a switch introduced into the circuit would be a con- venience , as then it would be possible to put out the lights without stopping the dynamo , and this certainly ...
... lights , the dynamo was stopped . Before long it became evident that a switch introduced into the circuit would be a con- venience , as then it would be possible to put out the lights without stopping the dynamo , and this certainly ...
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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