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 16
Сторінка 11
... 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 field coil circuit . Am . e N · m g g Σ ( II.
... 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 field coil circuit . Am . e N · m g g Σ ( II.
Сторінка 18
... located so long as they are where they can be seen and readily reached when desired . As to the switches d d d , it is not neces- sary that they should even be in the same room as the generator , for they can be placed at the points ...
... located so long as they are where they can be seen and readily reached when desired . As to the switches d d d , it is not neces- sary that they should even be in the same room as the generator , for they can be placed at the points ...
Сторінка 21
... located on the switchboard , the adjustment of the gen- erator to the proper voltage is greatly facilitated , for the attendant can turn the regulator handle while watching the voltmeter , and thus see just when the proper adjust- ment ...
... located on the switchboard , the adjustment of the gen- erator to the proper voltage is greatly facilitated , for the attendant can turn the regulator handle while watching the voltmeter , and thus see just when the proper adjust- ment ...
Сторінка 25
... located in the building , and L represents the three wires leading in from the street mains . The gen- erator connects first , with the circuit breaker , cb , and then with the two - pole switch , S. From the right upper contact of this ...
... located in the building , and L represents the three wires leading in from the street mains . The gen- erator connects first , with the circuit breaker , cb , and then with the two - pole switch , S. From the right upper contact of this ...
Сторінка 51
... located that there is more or less danger of their becoming crossed , short - circuited , etc. , then the construction of Fig . 22 is the proper one , even if we desire to practice economy . The connection of the measuring instruments ...
... located that there is more or less danger of their becoming crossed , short - circuited , etc. , then the construction of Fig . 22 is the proper one , even if we desire to practice economy . The connection of the measuring instruments ...
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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