Effect of fault current limiter on shaft torsional torque

Daisuke Iioka; H. Shimizu; Y. Yokomizu; T. Matsumura; I. Kano

Effect of fault current limiter on shaft torsional torque

Daisuke Iioka, H. Shimizu, Y. Yokomizu, T. Matsumura, I. Kano

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

Abstract

We investigated the influence of a resistive type (R-type) and inductive type (L-type) fault current limiter (FCL) on the behaviour of the shaft torsional torque of a synchronous generator installed in a consumer system connected to a utility distribution system. In the case that the generator has relatively low natural oscillation frequency f₀ under about 40 Hz, the L-type FCL suppresses the maximum value of the shaft torsional torque τ_sm to lower level than the R-type FCL. The R-type FCL with low limiting resistance may instead increase τ_sm under the condition of low f₀. On the other hand, for higher f₀, R-type FCL limits τ_sm at any limiting resistance as well as L-type FCL. The limiting effect of R-type FCL on τ_sm is larger than that of L-type FCL.

Original language	English
Pages (from-to)	1-5
Number of pages	5
Journal	International Journal of Power and Energy Systems
Volume	25
Issue number	1
Publication status	Published - 2005 Oct 27
Externally published	Yes

Keywords

Distributed generation
Fault current limiter
Natural oscillation frequency
Shaft torsional torque

ASJC Scopus subject areas

Energy Engineering and Power Technology
Applied Mathematics
Electrical and Electronic Engineering

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title = "Effect of fault current limiter on shaft torsional torque",

abstract = "We investigated the influence of a resistive type (R-type) and inductive type (L-type) fault current limiter (FCL) on the behaviour of the shaft torsional torque of a synchronous generator installed in a consumer system connected to a utility distribution system. In the case that the generator has relatively low natural oscillation frequency f0 under about 40 Hz, the L-type FCL suppresses the maximum value of the shaft torsional torque τsm to lower level than the R-type FCL. The R-type FCL with low limiting resistance may instead increase τsm under the condition of low f0. On the other hand, for higher f0, R-type FCL limits τsm at any limiting resistance as well as L-type FCL. The limiting effect of R-type FCL on τsm is larger than that of L-type FCL.",

keywords = "Distributed generation, Fault current limiter, Natural oscillation frequency, Shaft torsional torque",

author = "Daisuke Iioka and H. Shimizu and Y. Yokomizu and T. Matsumura and I. Kano",

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TY - JOUR

T1 - Effect of fault current limiter on shaft torsional torque

AU - Iioka, Daisuke

AU - Shimizu, H.

AU - Yokomizu, Y.

AU - Matsumura, T.

AU - Kano, I.

PY - 2005/10/27

Y1 - 2005/10/27

N2 - We investigated the influence of a resistive type (R-type) and inductive type (L-type) fault current limiter (FCL) on the behaviour of the shaft torsional torque of a synchronous generator installed in a consumer system connected to a utility distribution system. In the case that the generator has relatively low natural oscillation frequency f0 under about 40 Hz, the L-type FCL suppresses the maximum value of the shaft torsional torque τsm to lower level than the R-type FCL. The R-type FCL with low limiting resistance may instead increase τsm under the condition of low f0. On the other hand, for higher f0, R-type FCL limits τsm at any limiting resistance as well as L-type FCL. The limiting effect of R-type FCL on τsm is larger than that of L-type FCL.

AB - We investigated the influence of a resistive type (R-type) and inductive type (L-type) fault current limiter (FCL) on the behaviour of the shaft torsional torque of a synchronous generator installed in a consumer system connected to a utility distribution system. In the case that the generator has relatively low natural oscillation frequency f0 under about 40 Hz, the L-type FCL suppresses the maximum value of the shaft torsional torque τsm to lower level than the R-type FCL. The R-type FCL with low limiting resistance may instead increase τsm under the condition of low f0. On the other hand, for higher f0, R-type FCL limits τsm at any limiting resistance as well as L-type FCL. The limiting effect of R-type FCL on τsm is larger than that of L-type FCL.

KW - Distributed generation

KW - Fault current limiter

KW - Natural oscillation frequency

KW - Shaft torsional torque

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