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
... switch being used . Whenever it became necessary to discontinue the 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 ...
... switch being used . Whenever it became necessary to discontinue the 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 ...
Сторінка 11
... switch to open the circuit . To this we should also add switches for opening independently the several branch circuits . From Fig . I an idea of the de- vices and the manner in which they are connected can be obtained . Before ...
... switch to open the circuit . To this we should also add switches for opening independently the several branch circuits . From Fig . I an idea of the de- vices and the manner in which they are connected can be obtained . Before ...
Сторінка 18
... main switch is shown at S , the circuit breaker at f , and the branch circuit switches at d d d . It will be evident ... main switch S and the circuit breaker C. Before the days of switch- boards the field regulator was generally located ...
... main switch is shown at S , the circuit breaker at f , and the branch circuit switches at d d d . It will be evident ... main switch S and the circuit breaker C. Before the days of switch- boards the field regulator was generally located ...
Сторінка 20
... main switch S , from which it passes by f to wire h . The wires h and g are called bus bars , as they form a common terminus from which the several circuits controlled by the small switches s's ' are derived . If the branch circuits ...
... main switch S , from which it passes by f to wire h . The wires h and g are called bus bars , as they form a common terminus from which the several circuits controlled by the small switches s's ' are derived . If the branch circuits ...
Сторінка 21
... switches , circuit breaker and instruments are on the front . The field reg- ulator is also placed on the back , and only the handle projects through to the front . If it is desired to stop the current , the switch S is opened , and ...
... switches , circuit breaker and instruments are on the front . The field reg- ulator is also placed on the back , and only the handle projects through to the front . If it is desired to stop the current , the switch S is opened , and ...
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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