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In [[mechanical engineering]], a '''shaft''' is a rotating [[machine element]], usually circular in cross section, wh ...the source and the machine absorbing power; e.g. counter shafts and [[line shaft]]s. ...

...tion of motor bearings, but can be prevented with a grounding brush on the shaft, grounding of the motor frame, insulation of the bearing supports, or shiel ...al magnetic fields of the motor (or generator) itself. External sources of shaft voltage include other coupled machines, and electrostatic charging due to r ...

Adjustable and variable speed drives may be purely mechanical (termed ''[[variator]]s''), electromechanical, hyd ...n adjustable speed motor drive. Power electronics based variable frequency drives are rapidly making older technology redundant. ...

...motor]], and then that shaft's motion drives the other three shafts. Each shaft then has [[Cam (mechanism)|cam]]s which drive the slides, usually of a [[sp ...

# [[Drive shaft|Shafts]], # [[Wire rope|Cable]] drives, ...

...current is removed from the clutch, the armature is free to turn with the shaft. In most designs, springs hold the armature away from the rotor surface whe This type of clutch is used in some lawnmowers, copy machines, and conveyor drives. Other applications include packaging machinery, printing machinery, food p ...

...r during start-up. This reduces the [[mechanical stress]] on the motor and shaft, as well as the [[electrodynamics|electrodynamic]] stresses on the attached ...iding jerk and stress on drive components. Fans or other systems with belt drives can be started slowly to avoid belt slipping as well as air pressure surges ...

An [[electric motor]] drives a shaft on which is arranged a series of [[Cam (mechanism)|cam]]s or a drum studded ...

...he speed where the induced rotor current gives rise to torque equal to the shaft load. In generator operation, a [[Engine|prime mover]] (turbine or engine) drives the rotor above the synchronous speed (negative slip). The stator flux indu ...

....jpg|thumb|A power plant turbine generator set: A [[steam turbine]] (blue) drives an [[electrical generator]] (yellow) with an excitation generator (front).] ...to provide a low-[[drag (physics)|drag]] atmosphere and cooling for single-shaft and [[combined-cycle]] applications in combination with [[steam turbine]]s. ...

...to another commutator on the other end of the shaft. The entire rotor and shaft assembly is smaller, lighter, and cheaper than a pair of machines, and does Motors and generators may be coupled by a non-conductive shaft in facilities that need to closely control electromagnetic radiation,<ref>' ...

...e stator magnetic flux induces currents in the rotor. The prime mover then drives the rotor above the synchronous speed, causing the opposing rotor flux to c ...achine tools, household appliances, [[power tools]], and [[hard drive|disk drives]]. They may be powered by direct current or by alternating current which le ...

...generated in the magneto is transmitted by wires attached to the rotating shaft to the dynamo's rotating field coil. The output of the dynamo is then taken ...(DC). This current either directly pumps water, is stored in batteries, or drives a [[inverter (electrical)|mains inverter]] that can supply the commercial [ ...

...smaller [[direct current|direct-current]] (DC) generator fixed on the same shaft with the alternator. The DC generator generates a small amount of electrici A brushless alternator is composed of two alternators built end-to-end on one shaft. Until 1966, alternators used brushes with rotating field.<ref>{{Cite web|u ...

...bon composition resistance element, (''C'') phosphor bronze wiper, (''D'') shaft attached to wiper, (''E, G'') terminals connected to ends of resistance ele ...he only point of ingress for contamination is the narrow space between the shaft and the housing it rotates in. ...

...irst1=William|last2=Paes|first2=Richard|title=What's New In Medium Voltage Drives|conference=IEEE SAS & NCS 2014 PES/IAS Joint Chapter Technical Seminar|year ...source|current-source]] inverter (CSI) and load-commutated inverter (LCI) drives (see 'Generic topologies' sub-section below). The drive controller can also ...

...he shaft of the slip ring machine.<ref>Leonhard, W.: Control of Electrical Drives. 2nd Ed. Springer 1996, 420 pages. {{ISBN|3-540-59380-2}}.</ref> Thus the s ...

...he rocket" as opposed to the exhaust gas.<ref>"Study of Outer Space by Jet Drives", Nauchnoe Obozrenie, May 1903.</ref> ...s/second by multiplication by 550. Given that [[specific fuel consumption (shaft engine)|specific fuel consumption]] is ''C''_''p''&nbsp;=&nbsp;'' ...

...l pickups to interface with the shafts of the two disks rather than at the shaft and a high-speed rim. Later, patents were awarded to [[Charles Proteus Ste ...d circuit induces an [[electromotive force]] in the circuit, which in turn drives an electric current. The [[surface integral]] that defines the magnetic flu ...

...ent magnet motor. International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), 1028–33. http://doi.org/10.1109/SPEEDAM.2 ...f> Structure-borne noise can also be generated by torque ripple when rotor shaft line vibrations propagate to the frame<ref>De Madinabeitia I. G, (2016). ...