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 21
Сторінка 8
... directly out to the lamp circuit , in most cases not even a switch being used . Whenever it became necessary to discontinue the lights , the dynamo was stopped . Before long it became evident that a switch introduced into the circuit ...
... directly out to the lamp circuit , in most cases not even a switch being used . Whenever it became necessary to discontinue the lights , the dynamo was stopped . Before long it became evident that a switch introduced into the circuit ...
Сторінка 11
... directly across the main lines by wires g g . At Am , an ammeter is connected in 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 ...
... directly across the main lines by wires g g . At Am , an ammeter is connected in 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 ...
Сторінка 14
... 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 , in fact , the only N N P Am m f e 2 a A 4 b h M ...
... 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 , in fact , the only N N P Am m f e 2 a A 4 b h M ...
Сторінка 31
... directly to coil m , and that from armature A ' to coil m ' , then the current flowing in these coils would be of the same strength as that in the respective armatures . Under these conditions any tendency for the generators to run ...
... directly to coil m , and that from armature A ' to coil m ' , then the current flowing in these coils would be of the same strength as that in the respective armatures . Under these conditions any tendency for the generators to run ...
Сторінка 57
... directly to the left side contacts of switch S , making the same connections as are made with the bus bars . Fig . 24 shows the simplest form of three - wire con- nections , being arranged for two generators to feed into a single ...
... directly to the left side contacts of switch S , making the same connections as are made with the bus bars . Fig . 24 shows the simplest form of three - wire con- nections , being arranged for two generators to feed into a single ...
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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