Space‐phasor theory? ‐ what is that for?

Štěpina, Jaroslav

doi:10.1002/etep.4450050608

Cited by 9 publications

(2 citation statements)

References 8 publications

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“…represent the d-q axis components of magnetizing current space-phasor [19]. Having in view the flux equations (9)- (14) together with (15), the following relations are easily seen:…”

Section: The Generalized D-q-0 Model Of Synchronous Generatormentioning

confidence: 99%

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Comparative Simulation Study on Synchronous Generators Sudden Short Circuits

Lupsa-Tataru

2009

Modelling and Simulation in Engineering

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Although of a great extent in time, the research works directed at studying transients in synchronous generators have not yet provided fully sufficient comparative studies in respect to sudden short circuits of the machine. The present paper puts forward novel and comprehensive process models for dynamic simulation of short circuit faults of initially unloaded synchronous generators, using the generalizedd-q-0 mathematical model as starting point in derivation. Distinct from the time-domain analysis, the technique proposed here allows an effective comparative overview by employing a specialized procedure to perform repeated time-domain simulations accompanied by peak values recording for the various circumstances. The time consuming matrix numerical inversion at each step of integration, usually performed when selecting currents as state variables, is eliminated by advancing the process models in a convenient split matrix form that allows the symbolic processing. Also, the computational efficiency is being increased by introducing a set of auxiliary variables common to different state equations. The models derivation is carried out without altering the structural equations of the generalizedd-q-0 mathematical model of synchronous generators whilst the simulation results are both compared and discussed in detail.

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“…represent the d-q axis components of magnetizing current space-phasor [19]. Having in view the flux equations (9)- (14) together with (15), the following relations are easily seen:…”

Section: The Generalized D-q-0 Model Of Synchronous Generatormentioning

confidence: 99%

“…are to be performed in (18) and (19). The mapping (18) performs the transformation of the stator winding variables to a coordinate system in which the rotor is stationary.…”

Section: The Generalized D-q-0 Model Of Synchronous Generatormentioning

confidence: 99%

Comparative Simulation Study on Synchronous Generators Sudden Short Circuits

Lupsa-Tataru

2009

Modelling and Simulation in Engineering

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Discussion by J. Stepina to the paper. Critical review of the scientific background underlying the generalized machine theory and correlation theorems in the space‐phasor theory. Published by L. Serrano‐Iribarnegaray in ETEP 5 (1995) no. 4, pp. 247‐255

1996

Int Trans Elec Energy Syst

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Reply by L Serrano‐Zribarnegaray

1996

Int Trans Elec Energy Syst

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D3] Sttpinci. J.: Fundamental equations of the space-vector analysis of electrical machines. Acta Technica CSAV 13 [D4] Stepina. J.: Space-PhasorTheory?-What is that for? ETEP [ D5] Stepino. J.: Die Einphasenasynchronmotoren. WedAustria: Discussion received on Jnnuury 12, 1996 Prof. em., Dr.-Ing.. Dr. Sc., Dr. h. c. lamsfav Stepinn, University of Kaiserslautern. Dept. of Electrical Engineering, P. 0. Box 3049, D-67653 KaiserslautedGermany, T +49 6 3 I / 2 05-2074. Fax + 49 6 3 t I2 05-26 1 2

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Space‐phasor theory? ‐ what is that for?

Abstract: The space-phasor theory was developed about 30

Cited by 9 publications

References 8 publications

Comparative Simulation Study on Synchronous Generators Sudden Short Circuits

Comparative Simulation Study on Synchronous Generators Sudden Short Circuits

Discussion by J. Stepina to the paper. Critical review of the scientific background underlying the generalized machine theory and correlation theorems in the space‐phasor theory. Published by L. Serrano‐Iribarnegaray in ETEP 5 (1995) no. 4, pp. 247‐255

Reply by L Serrano‐Zribarnegaray

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