Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1905 - 192 стор. |
З цієї книги
Результати 1-5 із 26
Сторінка 24
... wire system , while , as a rule , the plant in the build- ing operates upon the two - wire system . The latter sys- tem is preferred for private installations , owing to the Balancing the three - wire system . fact that the 24.
... wire system , while , as a rule , the plant in the build- ing operates upon the two - wire system . The latter sys- tem is preferred for private installations , owing to the Balancing the three - wire system . fact that the 24.
Сторінка 42
... latter might be overpowered , and the current could be forced through it in the backward direction if the difference in the voltages were great enough . Under such conditions , the second generator would act as a motor and possibly ...
... latter might be overpowered , and the current could be forced through it in the backward direction if the difference in the voltages were great enough . Under such conditions , the second generator would act as a motor and possibly ...
Сторінка 48
... latter is turned to the left , the generator is connected with the B busses , and when turned to the right , it is connected with the A busses . By means of switch S3 , generator G4 can be connected with the C and D busses , it being ...
... latter is turned to the left , the generator is connected with the B busses , and when turned to the right , it is connected with the A busses . By means of switch S3 , generator G4 can be connected with the C and D busses , it being ...
Сторінка 52
... latter arrangement of circuit - that is , with busses 1 , 2 , 3 and 4 tied together - the voltmeter V G is connected with one side to bus 5 and the other side to any one of busses 1 , 2 , 3 , 4. The ammeter Am G cannot be connected in ...
... latter arrangement of circuit - that is , with busses 1 , 2 , 3 and 4 tied together - the voltmeter V G is connected with one side to bus 5 and the other side to any one of busses 1 , 2 , 3 , 4. The ammeter Am G cannot be connected in ...
Сторінка 55
... latter connects with the lower contacts of the switch S1 . The upper contacts of this switch connect with bus bars 2 and 3. The wires g and h lead to the ammeter Am1 . Generator G2 con- nects with switch S2 and with busses 1 and 2 , a ...
... latter connects with the lower contacts of the switch S1 . The upper contacts of this switch connect with bus bars 2 and 3. The wires g and h lead to the ammeter Am1 . Generator G2 con- nects with switch S2 and with busses 1 and 2 , a ...
Інші видання - Показати все
Загальні терміни та фрази
alternating current ammeter amperes angle armature arranged branch circuits break switches bus bars cables carbon 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 G Figure 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 synchronizing three phase three-wire system tion transformers two-pole upper vapor vertical voltage voltmeter volts wattmeter Westinghouse