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 14
Сторінка 14
... leads from the commutator brushes , so that the coils m m shunt the armature only . This connection is called the ... lead off from the ends of the series coils , thus shunting these coils as well as the armature . This is called the ...
... leads from the commutator brushes , so that the coils m m shunt the armature only . This connection is called the ... lead off from the ends of the series coils , thus shunting these coils as well as the armature . This is called the ...
Сторінка 45
... lead from the circuit breaker c b . Bus 5 may be the com- mon junction for all the negative , or all the positive wires coming from the four generators . The remaining contact of the S switches is connected with the switches marked ...
... lead from the circuit breaker c b . Bus 5 may be the com- mon junction for all the negative , or all the positive wires coming from the four generators . The remaining contact of the S switches is connected with the switches marked ...
Сторінка 51
... lead to unnecessary con- fusion ; but from the illustrations of instrument connec- tions furnished in other figures , the manner in which the wires should be run can be readily understood when the office of each instrument is explained ...
... lead to unnecessary con- fusion ; but from the illustrations of instrument connec- tions furnished in other figures , the manner in which the wires should be run can be readily understood when the office of each instrument is explained ...
Сторінка 52
... lead , so that between these and the main busses the am- meter could be placed , and also so that the voltmeter could span across from one side of the general system to the other . The circuits could be arranged so as to use a single ...
... lead , so that between these and the main busses the am- meter could be placed , and also so that the voltmeter could span across from one side of the general system to the other . The circuits could be arranged so as to use a single ...
Сторінка 55
... lead to the main distributing busses with suitable switches , cut - outs , etc. By explaining simple arrangements , the course of pro- cedure in more complicated cases can be better under- stood . We will , therefore , start with the ...
... lead to the main distributing busses with suitable switches , cut - outs , etc. By explaining simple arrangements , the course of pro- cedure in more complicated cases can be better under- stood . We will , therefore , start with the ...
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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