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...ing power to a lower [[voltage]] to feed other plant loads such as [[motor control center]]s (MCC's). Feeder breakers for these loads will be located on the P * [[Motor control center]] ...

{{Short description|Assembly to control a series of electric motors from one location}} ...Motor Control Center 480 Volt.jpg|thumb|A small, early 1960s-vintage motor control center for 480 volt motors.]] ...

...ref><ref>R. Krishnan, 2001 "Electric Motor Drives: Modeling, Analysis, and Control", Prentice Hall</ref> ...ation of the [[chopper (electronics)|chopper principle]], using the on-off control of a switching device. ...

...ve force]] (EMF) manifesting as a [[voltage]] that opposes the change in [[electric current|current]] which induced it. CEMF is the EMF caused by [[electromagn ...-EMF is also due to inductance and Faraday's law, but occurs even when the motor current is not changing, and arises from the geometric considerations of an ...

{{Short description|Method of slowing AC electric motors}} .... [[Direct current|Direct Current]] is injected into the winding of the AC motor after the AC voltage is disconnected, providing braking force to the rotor. ...

...this is achieved by altering the wiring connections inside the motor. The motor may have fixed or variable [[torque]] depending on the [[Stator|stator wind ...uration is commonly referred to as a "pole changing motor" or a "Dahlander motor".<ref>{{patent|US|725415}}, {{patent|CH|14112}}</ref><ref>{{patent|DE|98417 ...

...cite book | first=Charles S. | last=Siskind | year=1963 | title=Electrical Control Systems in Industry | publisher=McGraw-Hill, Inc. | location=New York | isb ...t, or a device that temporarily alters how the motor is connected in the [[electric circuit]]. ...

...ration of mechanical forces. To better differentiate between both classes, electric devices that emphasize physical work are also called [[electromechanics|ele Together, electronic and electric devices, their development, maintenance, and [[power supply]] comprise the ...

...s the load varies.<ref>{{cite book|last=Radan|first=Damir|title=Integrated Control of Marine Electrical Power Systems|date=2008-03-10|publisher=Fakultet for i == A complete switchboard and generator control system == ...

{{Short description|Phenomenon in electric motors and generators}} ...but can be prevented with a grounding brush on the shaft, grounding of the motor frame, insulation of the bearing supports, or shielding. ...

...ble in a conventional machine. This leads to a substantial decrease in the motor volume; which means a great increase in the power density. However, since s ...-us-navy|title=General Atomics to Design and Fabricate Advanced Propulsion Motor for US Navy}}</ref> Superconducting [[homopolar generator]]s have been cons ...

...ong its surface. Associated with each cam is one or more [[switch]]es. The motor rotates at a fixed speed, and the camshaft is driven through a speed reduci Most cam timers use a miniature mains [[synchronous motor]] to rotate the mechanism at an accurate constant speed. Occasionally more ...

{{Short description|Electric power distribution system}} ...° phase difference|systems with two opposite (180°) live wires|split-phase electric power}} ...

{{for|use in photography|Motor drive (photography)}} ...this could be called a generator drive but is often still referred to as a motor drive. ...

...versa. The majority of phase converters are used to produce [[three-phase electric power]] from a single-phase source, thus allowing the operation of three-ph ...oaded. This allows various imperfect techniques to be used. A single-phase motor can drive a three-phase generator, which will produce a high-quality three- ...

...ineering]], '''current limiting reactors''' can reduce [[short-circuit]] [[Electric current|current]]s, which result from plant expansions and power source add ...ng reactors can be used to restrict starting current or as part of a speed control system. ...

...ypically, [[single-phase electric power]] is used to produce [[three-phase electric power]] locally to run three-phase loads in premises where only single-phas A basic three-phase induction motor will have three windings, each end connected to terminals typically numbere ...

...inear machines''). While [[transformer]]s are occasionally called "static electric machines",{{sfn | Iqbal | Moinoddin | Reddy | 2021 | p= xxii}} since they d ...n a ubiquitous component of the infrastructure. Developing more efficient electric machine technology is crucial to any global conservation, [[green energy]], ...

...|title=Efficiency assessment of modular multilevel converters for battery electric vehicles |journal=IEEE Transactions on Power Electronics |volume=32 |issue= ...rnal |last1=Tolbert |first1=Leon M. |title=Multilevel Converters for Large Electric Drives |journal=IEEE Transactions on Industry Applications |date=Jan–Feb 19 ...

...-generator]], a device that uses an internal combustion engine to drive an electric generator}} ...tors were widely used to convert industrial amounts of power while smaller motor–generators (such as the one shown in the picture) were used to convert [[ba ...