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 46
Сторінка 50
... construction . Suppose that generator GI were connected with the center row of contacts of switch S2 , instead of with S1 , and that the right - side contact of S2 were connected with the center of S3 and the left - side row with the ...
... construction . Suppose that generator GI were connected with the center row of contacts of switch S2 , instead of with S1 , and that the right - side contact of S2 were connected with the center of S3 and the left - side row with the ...
Сторінка 51
... construction to the lowest point . If the circuit wires are so located that there is more or less danger of their becoming crossed , short - circuited , etc. , then the construction of Fig . 22 is the proper one , even if we desire to ...
... construction to the lowest point . If the circuit wires are so located that there is more or less danger of their becoming crossed , short - circuited , etc. , then the construction of Fig . 22 is the proper one , even if we desire to ...
Сторінка 67
... nothing to be gained by being able to open this circuit , and as it may produce serious results , the introduction of this switch cannot be recommended . Construction of Switchboards . Switchboards designed for plants of small.
... nothing to be gained by being able to open this circuit , and as it may produce serious results , the introduction of this switch cannot be recommended . Construction of Switchboards . Switchboards designed for plants of small.
Сторінка 68
William Baxter. Construction of Switchboards . Switchboards designed for plants of small capacity have no particularly interesting constructive features , owing to the fact that small conductors are capable of conveying the current , and ...
William Baxter. Construction of Switchboards . Switchboards designed for plants of small capacity have no particularly interesting constructive features , owing to the fact that small conductors are capable of conveying the current , and ...
Сторінка 71
... construction is generally followed , and in order that the studs may be adapted to hold bars at different distances from the back of the board , they are threaded throughout their entire length , and are provided with three nuts , one ...
... construction is generally followed , and in order that the studs may be adapted to hold bars at different distances from the back of the board , they are threaded throughout their entire length , and are provided with three nuts , one ...
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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 Figure four fuse ground detector hence increased independent Independent Circuits instruments insulation lamps lever light board lightning arrester located lower machines magnet main switch marble slabs means meter nected Non-arcing metals operated panel Phase Switchboard rent resistance rheostats safety fuse seen series coils set of busses short circuit shown in Fig shows shunt single phase sockets spark street mains switch blade switch S2 synchronizing three phase three-wire system tion transformers upper vapor vertical voltage voltmeter volts wattmeter Westinghouse