Cylindrical rotor alternators have mcq
WebFeb 24, 2012 · The cylindrical rotor alternators are generally designed for 2-pole type giving very high speed of Or 4-pole type running at a speed of Where, f is the frequency … http://www.electricalunits.com/mcq-alternator-and-synchronous-motors-page-3/
Cylindrical rotor alternators have mcq
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WebThe field windings of cylindrical type rotor are connected in series to the slip rings through which they are excited by the DC exciter. The top portion of the slot is covered with the … WebThis type of Rotor is used for steam-driven alternator i.e turbo alternator which runs at very high speed. The Rotor is made up of smooth solid forgings of alloy steel cylinder having the number of slots along the outer periphery. The field windings of cylindrical type rotor are connected in series to the slip rings through which they are excited by the DC …
WebJun 12, 2015 · Salient Pole Type Rotor - Synchronous Generator - MCQs with answers Q1. In synchronous machine, poles are made up of thick steel laminations. In salient pole type rotor a. Poles are projected out from the surface of the rotor b. The unslotted portions of the cylinder itself acts as the poles c. Both (a) and (b) d. None of the above WebJun 6, 2024 · Show Explanation Ques 52. Two alternators rated 40 MVA and 60 MVA respectively are working in parallel and supplying a total load of 80 MW. Speed regulation of both the alternator is 5%. The load sharing …
WebJun 6, 2024 · An alternator is generating power at 210 V per phase while running at 1500 RPM. If the speed of an alternator drops to 1000 rpm the generated voltage per phase will be. Ques.23. An alternator is said to … WebThe rotor is the rotating part of the alternator. It is made in a cylindrical shape that has copper windings also known as field winding. The field windings are electromagnets that generate the necessary rotating …
WebIn this MCQ you can learn and practice Cylindrical Rotor Alternator objective quiz questions to test your knowledge on electrical machines. …
WebAug 3, 2024 · Difference between Cylindrical Rotor and Salient Pole Rotor Synchronous Generator - A synchronous generator, also called alternator, is a most widely used … 3d 裸眼图WebMar 6, 2024 · Smooth Cylindrical type rotor is generally used for high-speed alternators or turbo-alternators. This is because: These rotors have small diameter and long axial … 3d 視力回復 立体視 効果WebFeb 24, 2012 · Now let us derive various equations for the power flow the cylindrical rotor alternator. In order to derive various power equation for an alternator let us substitute voltage source E 1 equal to the excitation voltage (E f), voltage source E 2 equals to the terminal voltage (V t), inductive impedance of the above circuit equals to synchronous … 3d 製造現場での活用WebAug 19, 2024 · Home alternator MCQ Alternator Objective Questions With Explanation Part-1 August 19, 2024 1. The speed of a 4-pole 60 Hz synchronous machine will be A. 1800 r.p.m. B. 2400 r.p.m. C. 3000 r.p.m. D. 3600 r.p.m. Answer: A. 1800 r.p.m. Explanation: In a synchronous machine, Frequency, fs = 60 Hz Number of poles = 4 … 3d 製図 書き方WebCylindrical rotor alternators have a) Large length to diameter ratio b) Small length to diameter ratio c) Vertical configuration d) None of these Ans: (a) 25. In an alternator, the … 3d 観葉植物 無料WebAlternator MCQ Synchronous Generator MCQ 151. Consider the following statements Salient pole alternators have small diameters and large axial lengths. Cylindrical rotor alternators have a distributed winding. Cylindrical rotor alternators are wound for … 3d 設計師WebJun 22, 2024 · A simple brief definition and explanation. The main story is on the way: salient pole vs cylindrical pole. Cylindrical (non-salient) pole or round-rotor or a drum rotor usually can be found in higher speed … 3d 製作依頼