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- Q4459608 subject Q8886596.
- Q4459608 abstract "Electric current collectors are used by trolleybuses, trams, electric locomotives or EMUs to carry electrical power from overhead lines or electrical third rails to the electrical equipment of the vehicles. Those for overhead wires are roof-mounted devices, those for third rails are mounted on the bogies. Typically, they have one or more spring-loaded arms that permit the working engagement with the rail or overhead wire and a collector or contact shoe in running engagement with the wire or rail. The collector arm pushes the contact shoe against the contact wire or rail. As the vehicle moves, the contact shoe slides along the wire or rail to draw the electricity needed to run the vehicle's motor. The current collector arms are electrically conductive but mounted insulated on the vehicle's roof, side or base. An insulated cable connects the collector with the switch, transformer or motor. The steel rails of the tracks act as the electrical return.Electric vehicles that collect their current from an overhead line system use different forms of one- or two-arm pantograph collectors, bow collectors or trolley poles. The current collection device presses against the underside of the lowest wire of an overhead line system, which is called a contact wire. Most overhead supply systems are either DC or single phase AC, using a single wire with return through the grounded running rails. Three phase AC systems use a pair of overhead wires, and paired collectors.".
- Q4459608 wikiPageWikiLink Q108193.
- Q4459608 wikiPageWikiLink Q110701.
- Q4459608 wikiPageWikiLink Q1110407.
- Q4459608 wikiPageWikiLink Q11658.
- Q4459608 wikiPageWikiLink Q117309.
- Q4459608 wikiPageWikiLink Q1199344.
- Q4459608 wikiPageWikiLink Q160342.
- Q4459608 wikiPageWikiLink Q178150.
- Q4459608 wikiPageWikiLink Q188447.
- Q4459608 wikiPageWikiLink Q217421.
- Q4459608 wikiPageWikiLink Q2312102.
- Q4459608 wikiPageWikiLink Q2353239.
- Q4459608 wikiPageWikiLink Q2643053.
- Q4459608 wikiPageWikiLink Q27137.
- Q4459608 wikiPageWikiLink Q3303951.
- Q4459608 wikiPageWikiLink Q388201.
- Q4459608 wikiPageWikiLink Q44377.
- Q4459608 wikiPageWikiLink Q483373.
- Q4459608 wikiPageWikiLink Q5320.
- Q4459608 wikiPageWikiLink Q54451.
- Q4459608 wikiPageWikiLink Q5615441.
- Q4459608 wikiPageWikiLink Q5639.
- Q4459608 wikiPageWikiLink Q5641.
- Q4459608 wikiPageWikiLink Q625151.
- Q4459608 wikiPageWikiLink Q633423.
- Q4459608 wikiPageWikiLink Q6501125.
- Q4459608 wikiPageWikiLink Q657874.
- Q4459608 wikiPageWikiLink Q72313.
- Q4459608 wikiPageWikiLink Q748825.
- Q4459608 wikiPageWikiLink Q7627515.
- Q4459608 wikiPageWikiLink Q7853900.
- Q4459608 wikiPageWikiLink Q820880.
- Q4459608 wikiPageWikiLink Q8886596.
- Q4459608 type Thing.
- Q4459608 comment "Electric current collectors are used by trolleybuses, trams, electric locomotives or EMUs to carry electrical power from overhead lines or electrical third rails to the electrical equipment of the vehicles. Those for overhead wires are roof-mounted devices, those for third rails are mounted on the bogies.".
- Q4459608 label "Current collector".