Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1906 - 192 стор. |
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Результати 1-5 із 24
Сторінка 7
... called a switchboard . The general arrangement of a switchboard depends very largely upon the service it is to perform , and also upon . the type of current it is to handle . For continuous cur- rents we have the constant potential and ...
... called a switchboard . The general arrangement of a switchboard depends very largely upon the service it is to perform , and also upon . the type of current it is to handle . For continuous cur- rents we have the constant potential and ...
Сторінка 11
... called a 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 ...
... called a 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 ...
Сторінка 14
... 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 f ' Am ०२ a с > d b K M M m : m The Derry Collard Co. Figure 5 Figure 6 Other methods of connecting generators ...
... 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 f ' Am ०२ a с > d b K M M m : m The Derry Collard Co. Figure 5 Figure 6 Other methods of connecting generators ...
Сторінка 20
... called bus bars , as they form a common terminus from which the several circuits controlled by the small switches s's ' are derived . If the branch circuits L L L are very numerous the board B can be made wider , if there is room in the ...
... called bus bars , as they form a common terminus from which the several circuits controlled by the small switches s's ' are derived . If the branch circuits L L L are very numerous the board B can be made wider , if there is room in the ...
Сторінка 23
... called double - throw , that is , it can be thrown to the right or left . When thrown to the right the current passes to the right side contacts , and from here to the B busses at the top of the switchboard . If the switch is thrown to ...
... called double - throw , that is , it can be thrown to the right or left . When thrown to the right the current passes to the right side contacts , and from here to the B busses at the top of the switchboard . If the switch is thrown to ...
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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