Volume 214, Issue 2 e23296
TRANSLATED PAPER

Fast computation method of static voltage stability using geometric parameter adjustment for the continuation power flow

Eisuke Kuroda

Corresponding Author

Eisuke Kuroda

Research & Development Group, Hitachi, Ltd., Hitachi, Japan

Correspondence

Eisuke Kuroda, Research & Development Group, Hitachi, Ltd., 7-1-1, Omika-cho, Hitachi 319-1292, Japan.

Email: [email protected]

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Masahiro Watanabe

Masahiro Watanabe

Research & Development Group, Hitachi, Ltd., Hitachi, Japan

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Daichi Kato

Daichi Kato

Research & Development Group, Hitachi, Ltd., Hitachi, Japan

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Nao Saito

Nao Saito

Research & Development Group, Hitachi, Ltd., Hitachi, Japan

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Masahiro Yatsu

Masahiro Yatsu

Services & Platforms Business Unit, Hitachi, Ltd., Hitachi, Japan

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First published: 10 November 2020
Citations: 2

Translated from Volume 140 Number 5, pages 386–394, DOI: 10.1541/ieejpes.140.386 of IEEJ Transactions on Power and Energy (Denki Gakkai Ronbunshi B)

Abstract

This paper presents a fast computation method of static voltage stability using geometric parameter adjustment for the continuation power flow. The conventional method has the following problems: voltage stability assessment (VSA) is high accuracy but there is much total convergence calculation number of times. The features of the proposed method are following: (1) to change the step size of a geometric parameter in prediction part, (2) to adjust a geometric parameter using temporary maximum loading point (MLP) by Look-Ahead method. The proposed method has an advantage of being able to maintain high accuracy for VSA and to calculate less total convergence calculation number of times than conventional methods in IEEE test case of 118 and 300 bus systems.

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