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 8
... simple we will start the dis- cussion with these , taking up first the constant potential switchboard . The switchboard , in the strictest sense of the word , is not an indispensable adjunct of an electrical installation , and in fact ...
... simple we will start the dis- cussion with these , taking up first the constant potential switchboard . The switchboard , in the strictest sense of the word , is not an indispensable adjunct of an electrical installation , and in fact ...
Сторінка 11
... simple shunt two - pole generator . At V a voltmeter is placed which indicates the e m f developed , and , as will be noticed , it is connected directly across the main lines by wires g g . At Am , an ammeter is connected in series in ...
... simple shunt two - pole generator . At V a voltmeter is placed which indicates the e m f developed , and , as will be noticed , it is connected directly across the main lines by wires g g . At Am , an ammeter is connected in series in ...
Сторінка 19
William Baxter. L L L B L B S h g M m A d Am b a The Derry Collard Co Connecting the instruments . meter and other devices were strewn. Figure 11 A simple switch board . Two generators in parallel with instruments connected in place .
William Baxter. L L L B L B S h g M m A d Am b a The Derry Collard Co Connecting the instruments . meter and other devices were strewn. Figure 11 A simple switch board . Two generators in parallel with instruments connected in place .
Сторінка 25
... simple case involving the use of but one generator , is about as shown in Fig . 13. In this diagram , G represents the generator located in the building , and L represents the three wires leading in from the street mains . The gen ...
... simple case involving the use of but one generator , is about as shown in Fig . 13. In this diagram , G represents the generator located in the building , and L represents the three wires leading in from the street mains . The gen ...
Сторінка 27
... simple square , with circles a b c d to represent the terminals of the armature and the field coils respectively . This con- struction is used for the purpose of simplifying the draw- ing , and for the same reason , the connection ...
... simple square , with circles a b c d to represent the terminals of the armature and the field coils respectively . This con- struction is used for the purpose of simplifying the draw- ing , and for the same reason , the connection ...
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Загальні терміни та фрази
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 four fuse ground detector h Figure hence increased independent instruments insulation lamps lever light board lightning arrester lightning discharge located lower machines magnet main switch marble slabs means meter nected opening the circuit operated panel placed plugs rent resistance rheostats safety fuse seen series coils set of busses short circuit shown in Fig shows shunt sockets spark street mains switch blade switch is closed synchronizing three phase three-wire system tion transformers two-pole upper vapor vertical voltage voltmeter volts wattmeter Westinghouse