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 60
Сторінка 14
... these coils as well as the armature . This is called the long shunt . Sometimes the shunt coils as well as the series are connected , apparently at one side of the armature as One way to avoid . illustrated in Fig . 7 14.
... these coils as well as the armature . This is called the long shunt . Sometimes the shunt coils as well as the series are connected , apparently at one side of the armature as One way to avoid . illustrated in Fig . 7 14.
Сторінка 18
... board between the main switch S and the circuit breaker C. Before the days of switch- boards the field regulator was generally located on the floor by the side of the generator , and the voltmeter , am- L L L B L B S h g M 18.
... board between the main switch S and the circuit breaker C. Before the days of switch- boards the field regulator was generally located on the floor by the side of the generator , and the voltmeter , am- L L L B L B S h g M 18.
Сторінка 20
... 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 to the bottom of the main switch S , from which it passes by f to wire h . The ...
... 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 to the bottom of the main switch S , from which it passes by f to wire h . The ...
Сторінка 23
... side contacts , and from here to the B busses at the top of the switchboard . If the switch is thrown to the left it will connect the center con- tacts with those on the left side , marked i , and then the current will pass to the lower ...
... side contacts , and from here to the B busses at the top of the switchboard . If the switch is thrown to the left it will connect the center con- tacts with those on the left side , marked i , and then the current will pass to the lower ...
Сторінка 25
... side of the double - throw switch S1 . The wires L from the street mains are con- nected with the contacts on the right of this S , switch . When the generator is in use , the current from binding post b passes to busses 1 and 3 , and ...
... side of the double - throw switch S1 . The wires L from the street mains are con- nected with the contacts on the right of this S , switch . When the generator is in use , the current from binding post b passes to busses 1 and 3 , and ...
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