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 22
Сторінка 11
... field regulator . If the voltage of the generator is too high , a sufficient portion of the regulator resist- ance is thrown into the circuit of the generator field coils to bring it down to the required point , and if the voltage is ...
... field regulator . If the voltage of the generator is too high , a sufficient portion of the regulator resist- ance is thrown into the circuit of the generator field coils to bring it down to the required point , and if the voltage is ...
Сторінка 13
... field coils and the armature , then this diagram can be simplified to the form shown in Fig . 3 . In Fig . 4 a diagram of the same type as Fig . 3 is given which shows the connections for a compound wound gen- erator . As will be ...
... field coils and the armature , then this diagram can be simplified to the form shown in Fig . 3 . In Fig . 4 a diagram of the same type as Fig . 3 is given which shows the connections for a compound wound gen- erator . As will be ...
Сторінка 14
... field coils are con- nected by the wires e and h directly with the leads from the commutator brushes , so that the coils m m shunt the armature only . This connection is called the short shunt , and is the one most generally used , and ...
... field coils are con- nected by the wires e and h directly with the leads from the commutator brushes , so that the coils m m shunt the armature only . This connection is called the short shunt , and is the one most generally used , and ...
Сторінка 15
... field coils but not armature . Figure 7 The long shunt . they would shunt the series field coils m m and not the armature . Multipolar machines of the compound type are con- nected as in Fig . 9 , and in some cases , where the ca ...
... field coils but not armature . Figure 7 The long shunt . they would shunt the series field coils m m and not the armature . Multipolar machines of the compound type are con- nected as in Fig . 9 , and in some cases , where the ca ...
Сторінка 18
... field coil , or more properly , the rep- resentation of all the field shunt coils , whatever their num- ber may be . In the same way the coil above M repre- sents the series coils . The field regulator is at R , the voltmeter at V and ...
... field coil , or more properly , the rep- resentation of all the field shunt coils , whatever their num- ber may be . In the same way the coil above M repre- sents the series coils . The field regulator is at R , the voltmeter at V 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