A comparative study of voltage stability indices in a power system

Sinha, A.K.; Hazarika, Dibya Jyoti

doi:10.1016/s0142-0615(00)00014-4

Cited by 78 publications

(28 citation statements)

References 10 publications

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“…En 1997 se simularon técnicas estáticas y dinámicas para la estabilidad de voltaje (Nagao et al, 1997). En el 2000 se compararon los índices "L-Index", diagonal de la matriz Jacobiana "Id", cambio ángulos de voltaje fase con respecto a la potencia activa y reactiva, sensibilidad del ángulo del voltaje con respecto a la potencia activa y sensibilidad de voltaje con respecto a la potencia reactiva (Sinha y Hazarika, 2000). En este mismo año se comparan los análisis dinámicos y las curvas de reactivos versus voltaje, QV (Chowdhury y Taylor, 2000).…”

Section: Comparación De Las Técnicasunclassified

Métodos para el Estudio de la Estabilidad de Voltaje en Sistemas de Potencia

2008

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ResumenEste artículo presenta una revisión crítica actualizada de los métodos de estudio de la estabilidad de voltaje en sistemas de potencia. Se realiza la descripción y clasificación en orden cronológico de cada una de las técnicas de estudio, para la detección y predicción de la estabilidad de voltaje, desde la identificación del problema en los años 60's. También se presentan las modificaciones a las técnicas originales y la utilización en la solución a problemas comunes de estabilidad de voltaje presentados en los sistemas de potencia. La comparación de las técnicas se realiza de acuerdo a la información de la literatura y se discuten las ventajas y desventajas de cada técnica de estudio en la solución de los problemas de estabilidad de voltaje. Palabras clave: estabilidad de voltaje, sistemas de potencia, detección de estabilidad, revisión de la literatura Methods for studying Voltage Stability in Power Systems AbstractThis paper presents the state of the art of methods for studying voltage stability in power systems. Description and chronological classification of each technique for detection and prediction of voltage stability, since the identification of the problem in the 60's, are done. Also, modifications to the original techniques and their utilization to solve common problems of voltage-stability in the power system are presented. Comparisons of the different techniques were done according to literature information and the advantages and disadvantages of each technique in the solution of voltage stability problems are discussed.

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Section: Comparación De Las Técnicasunclassified

Métodos para el Estudio de la Estabilidad de Voltaje en Sistemas de Potencia

2008

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“…In order to determine the system voltage stability status, various indices have been developed [36][37][38]. Voltage stability analysis can be categorized as dynamic analysis and static analysis uses static voltage stability indices (SVSI).…”

Section: Introductionmentioning

confidence: 99%

Boundary Detection and Enhancement of Islanding Operation Investigation Under Fault Condition

Pouryekta¹,

Ramachandaramurthy²,

Padmanaban³

et al. 2017

Preprint

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Distribution systems can form islands when faults occur. Each island represents a subsection with variable boundaries subject to the location of a fault(s) in the system. A subsection with variable boundaries is referred to as island in this paper. For operation in autonomous mode, it is imperative to detect the island configurations and stabilize these subsections. This paper presents a novel scheme for the detection of islanding boundaries and stabilizing the system during autonomous operation. In the first stage, a boundary detection method is proposed to detect the configuration of the island. In the second stage a dynamic voltage sensitivity factor (DVSF) is proposed to assess the dynamic performance of the system. In the third stage, a wide area load shedding program is adopted based on DVSF to shed the load in weak busbars and stabilize the system. The proposed scheme is validated and tested on a generic 18-bus system using a combination of EMTDC/PSCAD and MATLAB softwares.

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“…One of the methods for such assessment is by use of Voltage Stability Index (VSI) which many researchers have attempted using in order to find the distance between initial loading points to the maximum loadbility point [3][4][5][6]. This index gives a measure of how far the present operating point is to voltage collapse point which is expressed in term of real or/and reactive power as well as the line parameters.…”

Section: Introductionmentioning

confidence: 99%

An Overview on Voltage Stability Indices as Indicators of Voltage Stability for Networks with Distributed Generations Penetration

Musa¹

2015

IJSTS

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Abstract:The increase in Distributed Generation (DG) penetration in distribution network can be used as a means of addressing the increasing load demand without the upgrade of transmission lines. However, this increasing demand despite the supplementary supply from DG sources can cause the system to operate at its maximum capacity or at point of voltage collapse. It therefore, becomes necessary to determine the maximum capacity limit of the system before voltage collapse occurs due to instability. This paper reviews the concept of voltage stability index (VSI) as an indicator of a weak bus that is closed to its maximum allowable limit or the most critical line to voltage collapse in a network. The review also evaluates various voltage stability indices including those originally developed for transmission systems. Subsequently, their adequacies are quantitatively compared and from the comparison, it is observed that the existing voltage stability indices would be inadequate for assessing the most sensitive bus or line on the verge of voltage collapse for modern distribution systems.

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A comparative study of voltage stability indices in a power system

Cited by 78 publications

References 10 publications

Métodos para el Estudio de la Estabilidad de Voltaje en Sistemas de Potencia

Métodos para el Estudio de la Estabilidad de Voltaje en Sistemas de Potencia

Boundary Detection and Enhancement of Islanding Operation Investigation Under Fault Condition

An Overview on Voltage Stability Indices as Indicators of Voltage Stability for Networks with Distributed Generations Penetration

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