On influence of load modelling for undervoltage load shedding studies

David J. Hill

doi:10.1109/59.667358

On influence of load modelling for undervoltage load shedding studies

David J. Hill

Research output: Contribution to journal › Article › Research › peer-review

43 Citations (Scopus)

Abstract

This paper explores the influence of load models on decisions of undervoltage load shedding in power systems. A controlled load rejection can be used as an emergency countermeasure to avoid widespread blackout when system voltages are unstable. In this paper, dynamic simulations of a small power system using both static and dynamic load models are presented. When using a static load model, the system includes an explicit model of a transformer with load tap changer. The aim is to demonstrate how different load models influence the analysis and calculation of the amount of load needed to be shed to stabilise the system voltage.

Original language	English
Pages (from-to)	395-400
Number of pages	6
Journal	IEEE Transactions on Power Systems
Volume	13
Issue number	2
DOIs	https://doi.org/10.1109/59.667358
Publication status	Published - 1998
Externally published	Yes

Keywords

Load modelling
Load shedding
Long-term dynamics

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10.1109/59.667358

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title = "On influence of load modelling for undervoltage load shedding studies",

abstract = "This paper explores the influence of load models on decisions of undervoltage load shedding in power systems. A controlled load rejection can be used as an emergency countermeasure to avoid widespread blackout when system voltages are unstable. In this paper, dynamic simulations of a small power system using both static and dynamic load models are presented. When using a static load model, the system includes an explicit model of a transformer with load tap changer. The aim is to demonstrate how different load models influence the analysis and calculation of the amount of load needed to be shed to stabilise the system voltage.",

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author = "Hill, {David J.}",

note = "Funding Information: The financial support provided by Elforsk and Nutek within the EleMra R&D program, is gratefully acknowledged. The help from Lars Lindkvist at ABB Power Systems AB has been very important to perfom the reported simulations with the simulation package Simpow.",

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AB - This paper explores the influence of load models on decisions of undervoltage load shedding in power systems. A controlled load rejection can be used as an emergency countermeasure to avoid widespread blackout when system voltages are unstable. In this paper, dynamic simulations of a small power system using both static and dynamic load models are presented. When using a static load model, the system includes an explicit model of a transformer with load tap changer. The aim is to demonstrate how different load models influence the analysis and calculation of the amount of load needed to be shed to stabilise the system voltage.

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KW - Load shedding

KW - Long-term dynamics

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JO - IEEE Transactions on Power Systems

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ER -

On influence of load modelling for undervoltage load shedding studies

Abstract

Keywords

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