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 76
Сторінка 7
... 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 the constant cur- rent systems , and ...
... 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 the constant cur- rent systems , and ...
Сторінка 15
... arranged as in Fig . 8 , for with this connection N Am f m M b g g ' N K a K A b i M M M m -m- P h Figure 8 The Derry Collard Co. This shows how not to do it . Shunts field coils but not armature . Figure 7 The long shunt . they would ...
... arranged as in Fig . 8 , for with this connection N Am f m M b g g ' N K a K A b i M M M m -m- P h Figure 8 The Derry Collard Co. This shows how not to do it . Shunts field coils but not armature . Figure 7 The long shunt . they would ...
Сторінка 21
... arrange the external cir- cuits into two or more independent distributing systems , and to have the connection with the generator so arranged that any one system may be operated alone or all at the same time . If the external circuits ...
... arrange the external cir- cuits into two or more independent distributing systems , and to have the connection with the generator so arranged that any one system may be operated alone or all at the same time . If the external circuits ...
Сторінка 23
... can connect it with both by closing the s s switch . Buildings in large cities that are provided with a light- ing plant are , as a rule , arranged so that current may be Current from street mains . drawn from the street mains 23.
... can connect it with both by closing the s s switch . Buildings in large cities that are provided with a light- ing plant are , as a rule , arranged so that current may be Current from street mains . drawn from the street mains 23.
Сторінка 24
... arranged upon the cause . Φ Am ΦΦ 1 2 3 h S k e 70 ΦΦΦ 03 9 a b G g The Derry Collard Co. Figure 13 f S ΦΦΦ Current passes through circuit breaker first . three - wire system , while , as a rule , the plant in the build- ing operates ...
... arranged upon the cause . Φ Am ΦΦ 1 2 3 h S k e 70 ΦΦΦ 03 9 a b G g The Derry Collard Co. Figure 13 f S ΦΦΦ Current passes through circuit breaker first . three - wire system , while , as a rule , the plant in the build- ing operates ...
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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