Switchboards for Power, Light and Railway Service: Direct and Alternating Currents, High and Low TensionNorman W. Henley, 1910 - 192 стор. |
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Результати 1-5 із 24
Сторінка 9
... indicated , and this brought into use the ammeter . With incandescent lighting it was soon found that uniformity of pressure was the point of vital importance , and thus the voltmeter was introduced in such installations . In " arc ...
... indicated , and this brought into use the ammeter . With incandescent lighting it was soon found that uniformity of pressure was the point of vital importance , and thus the voltmeter was introduced in such installations . In " arc ...
Сторінка 11
... indicates the e mf developed , and , as will be noticed , it is connected directly across the main lines by wires g g . At Am , an ammeter is connected in series in the line N , and it measures the strength of the At R , the field ...
... indicates the e mf developed , and , as will be noticed , it is connected directly across the main lines by wires g g . At Am , an ammeter is connected in series in the line N , and it measures the strength of the At R , the field ...
Сторінка 18
... indicating instruments and the field regulator , we can return to Fig . I and consider the connections with the distributing circuits . In this diagram , the circle A represents the generator armature , and M is the shunt field coil ...
... indicating instruments and the field regulator , we can return to Fig . I and consider the connections with the distributing circuits . In this diagram , the circle A represents the generator armature , and M is the shunt field coil ...
Сторінка 20
... indicate the 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 ...
... indicate the 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 ...
Сторінка 31
... the circuits must be as indicated in Fig . 17. This dia- gram shows the various parts without any reference to systematic arrangement . We have , as in the case of the Two - pole switches . single generator , a field 31.
... the circuits must be as indicated in Fig . 17. This dia- gram shows the various parts without any reference to systematic arrangement . We have , as in the case of the Two - pole switches . single generator , a field 31.
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Загальні терміни та фрази
50 cents alternating current ammeter amperes arc light armature arranged break switches bus bars cables circuit breaker close the circuit Concrete conductors connected with bus construction contacts cross section current passes Derry Collard Derry Collard Co desired devices diagram distributing circuits double throw dynamo Electric erator feed field coils field regulator Figure fully illustrated fuse gas engines ground detector HISCOX inch instruments insulation lamps lightning arrester located Locomotive machine magnet main switch manufacture marble slabs mechanical meter motors nected O'CONOR SLOANE operation panel parallel Phase Switchboard plugs practical rent resistance rheostats safety fuse seen series coils set of busses short circuit shown in Fig shows shunt side sockets spark steam street mains synchronizing terminals three phase three-wire system tion transformers valve vapor vertical voltage voltmeter volts wattmeter Westinghouse wires
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