Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1906 - 192 стор. |
З цієї книги
Результати 1-5 із 41
Сторінка 9
... circuit breaker , " which is actuated by a magnet , the strength of which is exerted in opposi- tion to a spring or some other counteracting force . The strength of the magnet increases with the current , and when the predetermined ...
... circuit breaker , " which is actuated by a magnet , the strength of which is exerted in opposi- tion to a spring or some other counteracting force . The strength of the magnet increases with the current , and when the predetermined ...
Сторінка 11
... circuit breaker , an ammeter , a voltmeter and a 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 ...
... circuit breaker , an ammeter , a voltmeter and a 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 ...
Сторінка 18
... circuit breaker at f , and the branch circuit switches at d d d . It will be evident at once that it is immaterial in what part of the engine or generator room these various devices are located so long as they are where they can be seen ...
... circuit breaker at f , and the branch circuit switches at d d d . It will be evident at once that it is immaterial in what part of the engine or generator room these various devices are located so long as they are where they can be seen ...
Сторінка 20
... circuit wires it will be seen that the line runs from the right side brush of the gen- erator to the circuit breaker , and from the central con- tact of this to the ammeter , by wire a , and thence , by wire b , to wire d to the bottom ...
... circuit wires it will be seen that the line runs from the right side brush of the gen- erator to the circuit breaker , and from the central con- tact of this to the ammeter , by wire a , and thence , by wire b , to wire d to the bottom ...
Сторінка 21
... 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 unless the ...
... 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 unless 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