Results 131 to 140 of about 467 (182)
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The brushless excitation system
Electrical Engineering, 1960A NEW TYPE of excitation system has been developed for use in the electric utility industry in which the generator collector and collector brushes, and the exciter commutator and commutator brushes are eliminated. The basic difference between this system and its predecessors is an a-c exciter mounted on the same shaft as the generator field.
R. W. Ferguson, R. Herbst, R. W. Miller
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Brushless Thyristor Excitation Systems.
IEEE Transactions on Power Apparatus and Systems, 1972This paper shows how brushless thyristor excitation systems for large synchronous generators are being evolved in the authors' organisation, outlines the electrical and mechanical advantages that accrue, and includes some results of a digital computer comparison of such systems with other forms of excitation.
W. Wright, R. Hawley, J. Dinely
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Analysis of polyphase brushless exciter
Conference Record of the 2000 IEEE Industry Applications Conference. Thirty-Fifth IAS Annual Meeting and World Conference on Industrial Applications of Electrical Energy (Cat. No.00CH37129), 2002This paper presents the modeling and simulation of the operation of an 11-phase brushless exciter. The analytical method is based on Kron's tensor method, which is developed for dealing efficiently with the time-varying topology of an exciter circuit during a digital computer solution.
null Xiaochuan Jia +2 more
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IEE Proceedings - Generation, Transmission and Distribution, 1994
The IEEE model of a brushless exciter can be found in many software packages for the simulation of power system behaviour. Yet the model is simplistic and does not represent the exciter alternator accurately. This paper describes the reasons for the inaccuracy of the IEEE representation and proposes an alternative model.
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The IEEE model of a brushless exciter can be found in many software packages for the simulation of power system behaviour. Yet the model is simplistic and does not represent the exciter alternator accurately. This paper describes the reasons for the inaccuracy of the IEEE representation and proposes an alternative model.
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Flux pump excited brushless alternator
IEEE Transactions on Magnetics, 1981Experimental measurements obtained for a novel brushless superconducting alternator that makes use of a flux pump of the rotating spot type are presented. The flux pump, used to provide the excitation current of the field coils incorporates several features of a machine studied theoretically and reported in an earlier paper.
A. Ferendeci +3 more
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Digital excitation system for a small brushless synchronous generator
Proceedings of the IECON'97 23rd International Conference on Industrial Electronics, Control, and Instrumentation (Cat. No.97CH36066), 2002Automatic voltage controllers for small size brushless synchronous generators have traditionally utilized analog electronics. Modern voltage control systems are beginning to utilize the power, flexibility, and cost advantages of microcomputer for control.
Erceg, Romina +2 more
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Brushless Series Connected Machine with DC Stator Excitation
SAE Technical Paper Series, 2012<div class="section abstract"><div class="htmlview paragraph">The brushless DC motors with permanent magnets are used primarily in law power applications. There are no limits on weight and motor dimensions in considered motors with DC stator excitation.
Gladyshev S.P., Okrainskaya I.
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Studies on electrical stresses in rotating rectifiers for brushless exciter
The XIX International Conference on Electrical Machines - ICEM 2010, 2010This study aims to establish an alternative methodology for determination of the main transients on brushless exciters due to transients in the main generator armature. The method consists in calculating, from design data, the parameters of the equivalent circuits of the main generator and the exciter, followed by simulations, with the software PSIM ...
D. R. Gomes, I. E. Chabu
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Excitation scheme of brushless self-excited-type three-phase synchronous machine
IEEE Transactions on Industry Applications, 1992AC excitation schemes of a brushless self-excited-type three-phase synchronous machine are presented. The rotor field windings of the machine are short circuited with the diodes, and an exciter or other exciting equipment is not required in this machine.
S. Nonaka, T. Kawaguchi
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BRUSHLESS EXCITATION SYSTEM ELECTROMAGNETIC DESIGN AND ANALYSES
Journal of Energy - Energija, 2022The brushless synchronous generator (SG) excitation system consists of a main exciter, a permanent magnet generator (PMG) of consequent rotor poles type, and an automatic voltage regulator (AVR). Both exciter machines have been properly designed and analysed.
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