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 75
Сторінка 7
... wires , the circuit connections will be- come complicated unless a systematic way of arranging them is resorted to ... wires leading from the generator , or gen- erators , to a central point , and then from there branch out to the ...
... wires , the circuit connections will be- come complicated unless a systematic way of arranging them is resorted to ... wires leading from the generator , or gen- erators , to a central point , and then from there branch out to the ...
Сторінка 8
... wires from the binding posts of the dynamo were run directly out to the lamp circuit , in most cases not even a switch being used . Whenever it became necessary to discontinue the lights , the dynamo was stopped . Before long it became ...
... wires from the binding posts of the dynamo were run directly out to the lamp circuit , in most cases not even a switch being used . Whenever it became necessary to discontinue the lights , the dynamo was stopped . Before long it became ...
Сторінка 9
... wire of such size that it will be melted by a current of sufficient strength to injure the generator , and the other is the " circuit breaker , " which is actuated by a magnet , the strength of which is exerted in opposi- tion to a ...
... wire of such size that it will be melted by a current of sufficient strength to injure the generator , and the other is the " circuit breaker , " which is actuated by a magnet , the strength of which is exerted in opposi- tion to a ...
Сторінка 11
... wires g g . At Am , an ammeter is connected in series in the line N , and it measures the strength of the current in amperes . At R , the field regulating rheostat is located , being placed as shown by wires f f in series in the shunt ...
... wires g g . At Am , an ammeter is connected in series in the line N , and it measures the strength of the current in amperes . At R , the field regulating rheostat is located , being placed as shown by wires f f in series in the shunt ...
Сторінка 14
... wires e and h directly with the leads from the commutator brushes , so that the coils m m shunt the armature only . This connection is called the short shunt , and is the one most generally used , and , in fact , the only N P Am a > A ...
... wires e and h directly with the leads from the commutator brushes , so that the coils m m shunt the armature only . This connection is called the short shunt , and is the one most generally used , and , in fact , the only N P Am a > A ...
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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