Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1906 - 192 стор. |
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Результати 1-5 із 10
Сторінка 134
... Arrester Arc . Ammeter Current Transformer Omit for 25 Lights . Wattmeter Ground Short Circuiting Plug Switch Constant Current Transformer Resistance Fuse Potential Transformer wwwwww wwww Fuse Primary Plug Switch Primary How they are ...
... Arrester Arc . Ammeter Current Transformer Omit for 25 Lights . Wattmeter Ground Short Circuiting Plug Switch Constant Current Transformer Resistance Fuse Potential Transformer wwwwww wwww Fuse Primary Plug Switch Primary How they are ...
Сторінка 178
... in other words , a circuit breaker , all that is required is to provide a mag- net that will move the controlling switch at the upper end of the diagram . " Lightning Arresters . A lightning arrester is a device used 173.
... in other words , a circuit breaker , all that is required is to provide a mag- net that will move the controlling switch at the upper end of the diagram . " Lightning Arresters . A lightning arrester is a device used 173.
Сторінка 179
... arrester is arranged and connected . When it is desired to make the protection more complete , two sets of plates are provided and connected as shown . The first diagram forms a single pole arrester , and the second is a double pole ...
... arrester is arranged and connected . When it is desired to make the protection more complete , two sets of plates are provided and connected as shown . The first diagram forms a single pole arrester , and the second is a double pole ...
Сторінка 180
... arrester , it may be asked , Why will lightning pass through the air gap and not through the wire coils ? This is not difficult to show . Suppose that the e . m . Leee ! G lebeee Figure 143. Lightning arresters . LINE G LINE FEEDER WIRE ...
... arrester , it may be asked , Why will lightning pass through the air gap and not through the wire coils ? This is not difficult to show . Suppose that the e . m . Leee ! G lebeee Figure 143. Lightning arresters . LINE G LINE FEEDER WIRE ...
Сторінка 181
... arrester , hence the current passes a LINE G Figure 146 . C M a G Figure 147 . Two magnetic blow outs . to the ground through the latter path because it encount- ers less resistance . Lightning may strike a circuit that runs in the open ...
... arrester , hence the current passes a LINE G Figure 146 . C M a G Figure 147 . Two magnetic blow outs . to the ground through the latter path because it encount- ers less resistance . Lightning may strike a circuit that runs in the open ...
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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 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