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...locked rotor test or stalled torque test.<ref>M.V. Deshpande, ''Electrical Machines'', p. 254, PHI Learning, 2011 {{ISBN|8120340264}}.</ref> From this test, [[ ...0">{{cite book|url=https://books.google.com/books?id=V1pepm-1m-cC&q=Locked+rotor+test&pg=PA263|title=Industrial Power Engineering and Applications Handbook| ...

...r exchange between the mechanical rotor and the electrical grid due to the rotor swing (acceleration and deceleration) is called [[Inertial response]]. ...hronous generator]] is driven by a prime mover. The equation governing the rotor motion is given by:<ref name="GraingerStevenson1994">{{cite book|first1=Joh ...

...3. |chapter=The "goodness" of small contemporary permanent magnet electric machines | date = 2003 ...;''_r}} is the surface [[resistivity]] of the [[rotor (electric)|rotor]] and {{math|''g''}} is the air gap. ...

...engineering)|armature]]. Winding factor also applies to other [[electric machines]], but this article focuses on winding factor as it applies to alternators. ...l |page=7 |url=https://uotechnology.edu.iq/dep-eee/lectures/3rd/Electrical/Machines%202/I_Introduction.pdf |accessdate=August 3, 2022}}</ref> This reduction f ...

...stage. Alternatively it is the ratio of static [[enthalpy]] change in the rotor to the static enthalpy change in the stage. ...ange in static [[Hydraulic head|head]] to the total energy transfer in the rotor:<ref>Peng, William W., Fundamentals of turbomachinery, John Wiley, 2008</re ...

...thus [[dimensionless]]. Since for practically all (except for the tiniest) machines the resistance of the coils is negligibly small in comparison to the reacta .... The '''direct axis''' component is aligned with the magnetic axis of the rotor, while the '''quadrature''' (or '''transverse''') '''axis''' component is p ...

...ectromagnetic coils. The teeth function as alternating magnetic poles. The rotor’s magnetic poles interact with the alternating magnetic flux of the teeth, ...ation of grain-oriented electrical steel used in super-high speed electric machines |journal=AIP Advances |volume=10 |issue=1 |pages=015127 |doi=10.1063/1.5130 ...

...trol applications like [[robotics]], [[Tape drive|tape drives]], [[Machine|machines]] and many more. ...eld interacts with the flux from the armature, it results in motion of the rotor. Armature control is the most common control technique for DC motors. In or ...

...luid and directs it to the next row of turbine blades mounted on a turbine rotor. There is no change in the static pressure through the rotor of an impulse machine. The variation of pressure and velocity of the fluid ...

...turned the 3 ft. diameter, 5 ton rotor ''(center)'', at 4000&nbsp;RPM. The rotor had 360 poles, and the fundamental frequency of the alternator was 24 kHz. ...chmidt machine replaced the one above at Eilvese station around 1920. The rotor had 400 poles and produced a fundamental frequency of 12.5&nbsp;kHz, which ...

...e of the saturated{{sfn | Das | 2017 | p=493}} [[Reactances of synchronous machines#Two reactions theory|direct-axis]] [[synchronous reactance]] (in [[per-unit ...ely coupled to the grid, and its response will be slow. This increases the machines’ stability while operating on the grid, but simultaneously will increase th ...

...de l'eau par moyen des pompes"] (Maxims for arranging most advantageously machines intended to raise water by means of pumps), ''Mémoires de l'Académie Royale ...ont mises en mouvement par la réaction de l'eau"] (More complete theory of machines that are set in motion by reaction with water), ''Mémoires de l'Académie Ro ...

..., Barry; Duffy, Robert, “Verification Analysis of the Toroidal Accelerator Rotor Platform Wind Energy Conversion System”, prepared for New York State Energy CWATs are a new acronym that encompasses the class of machines formerly known as DAWTs (diffuser augmented wind turbines). The technologi ...

...iate some of the difficulties in calculating the induced velocities at the rotor. ...(see diagram below). Angular momentum must be taken into account since the rotor, which is the device that extracts the energy from the wind, is rotating as ...

...rical grid]] unequipped with a WADC is the result of the loss of generator rotor synchronicity, and is typically envisioned as a generator (or group of gene == Rotor Instability Phenomena == ...

* [[Blocked rotor test]] *{{cite book | author=Wildi, Wildi Theodore| title=Electrical Machines, Drives And Power Systems, 6th edtn. ...

...he [[aerodynamics]] is a very important aspect of wind turbines. Like most machines, wind turbines come in many different types, all of them based on different ...um power limits of these machines are much higher than those of drag-based machines. ...

...er]] machines, one of the [[Germans]]' ''Geheimschreiber'' (secret writer) machines. The British codenamed non-[[Morse code|Morse]] traffic [[Fish (cryptograph ...was worked out well before the Bletchley Park cryptanalysts saw one of the machines—which only happened in 1945, shortly before the allied victory in Europe.<r ...

...an active pin at the reading station for a pin wheel prevented the coupled rotor from stepping. The cycle for a normal Enigma was 17,576 characters. When th ...the corresponding ones on the Enigma interchangeable working between both machines is possible.<ref name="three"/> ...

...|title=Thermo Scientific Sorvall MTX/MX Plus Series Micro-ultracentrifuge Rotor Guide |url=https://www.thermofisher.com/document-connect/document-connect.h ...ride]] (UF₆) A [[rotating magnetic field]] at the bottom of the rotor, as used in an [[electric motor]], is able to spin it quickly enough that t ...