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 19
Сторінка 30
... M P 20 O A S m M R Figure 17 The Derry Collard Co Apparatus required . result is attained by the type of. Two generators in parallel with instruments connected in place . Another arrangement for four generators and four circuits . 30.
... M P 20 O A S m M R Figure 17 The Derry Collard Co Apparatus required . result is attained by the type of. Two generators in parallel with instruments connected in place . Another arrangement for four generators and four circuits . 30.
Сторінка 31
... result is that the difference in the strength of the cur- rents generated in the two armatures cannot be very great . For the operation of two generators in parallel the in- struments and apparatus required and the connection of the ...
... result is that the difference in the strength of the cur- rents generated in the two armatures cannot be very great . For the operation of two generators in parallel the in- struments and apparatus required and the connection of the ...
Сторінка 33
... results . In some cases the conditions to be fulfilled are few and easily met , while in others the conditions are numerous and of ne- cessity involve a considerable amount of complication . If we have two generators , and desire to ...
... results . In some cases the conditions to be fulfilled are few and easily met , while in others the conditions are numerous and of ne- cessity involve a considerable amount of complication . If we have two generators , and desire to ...
Сторінка 34
... results are attained will be understood . As was explained in the last section , it is necessary when two or more generators are operated in parallel , to connect the entering ends , as well as the leaving ends , of all the series coils ...
... results are attained will be understood . As was explained in the last section , it is necessary when two or more generators are operated in parallel , to connect the entering ends , as well as the leaving ends , of all the series coils ...
Сторінка 40
... result we would have to provide a switch to correspond with ss of that figure , that is , a switch to connect the two sets of busses . If each generator is connected with a separate set of busses , we can run them at different voltages ...
... result we would have to provide a switch to correspond with ss of that figure , that is , a switch to connect the two sets of busses . If each generator is connected with a separate set of busses , we can run them at different voltages ...
Інші видання - Показати все
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