A study on ferroresonance and its depedence on instant of switching angle of the source voltage

Roy, Malabika; Roy, C.K.

doi:10.1109/icpws.2009.5442704

Cited by 7 publications

(2 citation statements)

References 7 publications

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“…3) a voltage source [5]. Distribution networks have many saturable inductances [i.e., within power transformers, voltage transformers (VTs), and shunt reactors] as well as capacitive elements (i.e., within cables, capacitor VTs, series or shunt capacitor banks, and voltage grading capacitors in circuit breakers) [6].…”

Section: Ferroresonance After Islanding Of Synchronousmentioning

confidence: 99%

Ferroresonance After Islanding of Synchronous Machine-Based Distributed Generation

Esmaeili

Rostami²,

Gharehpetian

et al. 2015

Can. J. Electr. Comput. Eng.

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This paper reports on ferroresonance phenomenon in distribution networks after the islanding of a distributed generation (DG) unit. Five coupling transformer configurations in synchronous machine-based DG are used to analyze and discuss occurrences of ferroresonance. PSCAD/EMTDC software was used to simulate the various configurations to collect data for analysis. Chaos theory was used to analyze the simulation results in a MATLAB environment in order to understand the type of ferroresonance present. This paper supports that synchronous machine-based DG units could be highly prone to occurrence of ferroresonance phenomenon after islanding with differences observed among the five configurations studied. This paper confirms that a groundedwye/delta connection is highly prone to ferroresonance and a delta/grounded-wye connection avoids ferroresonance when a DG unit becomes an island. Résumé-Ce travail de recherche concerne le phénomène de ferrorésonance dans les réseaux de distribution après l'isolation d'une unité de production distribuée (PD). Cinq configurations de transformateurs de couplage de PD basés sur les machines synchrones sont utilisées pour analyser et discuter des occurrences de ferrorésonance. Le logiciel PSCAD/EMTDC a été utilisé pour simuler les différentes configurations pour l'acquisition des donnéespour l'analyse. La théorie du chaos a été utilisée pour analyser les résultats de la simulation avec MATLAB pour mieux comprendre la ferrorésonance en question. Cet article prouve que les unités PD synchrones basées sur les machines synchrones après l'isolation pourraient être sujettes à l'apparition du phénomène de ferrorésonance avec des différences observées entre les cinq configurations étudiées. Ce document confirme que la connexion Wye-Delta liée à la masse peut avoir lieu quand une unité PD est isolée et une connexion delta/masse évite la ferrorésonance quand une DG est isolée aussi.

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Section: Ferroresonance After Islanding Of Synchronousmentioning

confidence: 99%

Ferroresonance After Islanding of Synchronous Machine-Based Distributed Generation

Esmaeili

Rostami²,

Gharehpetian

et al. 2015

Can. J. Electr. Comput. Eng.

View full text Add to dashboard Cite

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“…While its appearance is conditioned by the characteristics of the network [1] and simultaneity of factors [2], [3], its consequences can have a high degree of severity [4], [5].…”

Section: Introductionmentioning

confidence: 99%

Overvoltage by Ferroresonance on a Rural Distribution Feeder: Case Report and Simulation

et al. 2015

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-The objective of this work was to analyze an overvoltage case in a rural distribution feeder belonging to an electrical distribution company in the southeast of the Buenos Aires Province in Argentina. The network was modeled in the Electromagnetic Transients Program, based on the electrical parameters that make up the circuit, in order to evaluate its behavior under various switching and load states. The simulation analysis showed that during certain operation and load situations, the conditions for the overvoltage phenomenon occurred, causing a voltage increase in the single-phase transformer feeding. The guidelines for prevention and control of the phenomenon were provided taking into account the results obtained in the study.Keywords-Overvoltage, ferroresonance, rural electrical distribution, fuse opening, ATPDraw, nonlinear circuits.Resumen--El objetivo del trabajo presentado fue el de analizar un caso de sobretensión en un sistema de distribución de energía eléctrica rural (13,2kV) perteneciente a una Cooperativa de Electricidad del sudeste de la Policía de Buenos Aires, Rep. Argentina. A partir de los parámetros que componen el circuito eléctrico se modeló la red dentro del entorno del programa computacional Electromagnetic Transients Program, con el fin de evaluar su comportamiento ante distintas maniobras de interrupción y estados de carga. El análisis de la simulación demostró que, en ciertas situaciones de operación y carga, se conjugaron las condiciones para la ocurrencia del fenómeno de ferrorresonancia, ocasionando la elevación de tensión de alimentación en transformadores monofásicos. Considerando los resultados del estudio, se brindaron pautas a tener en cuenta para la prevención y control del fenómeno.

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Verification of Period-Doubling Behavior of Ferroresonance Circuit with the Jacobian Matrix and Eigenvalues

Pal

Roy

2022

J. Inst. Eng. India Ser. B

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A study on ferroresonance and its depedence on instant of switching angle of the source voltage

Cited by 7 publications

References 7 publications

Ferroresonance After Islanding of Synchronous Machine-Based Distributed Generation

Ferroresonance After Islanding of Synchronous Machine-Based Distributed Generation

Overvoltage by Ferroresonance on a Rural Distribution Feeder: Case Report and Simulation

Verification of Period-Doubling Behavior of Ferroresonance Circuit with the Jacobian Matrix and Eigenvalues

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