A new microprocessor based islanding protection algorithm for dispersed storage and generation units

M. A. Redfern; J. I. Barrett; O. Usta

doi:10.1109/61.400903

A new microprocessor based islanding protection algorithm for dispersed storage and generation units

M. A. Redfern
, J. I. Barrett
, O. Usta

Department of Electrical Engineering

University of Bath

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

111 Citations (Scopus)

Abstract

The ability to detect when dispersed storage and generation units become islanded from the main source of generation enables the DSG to be quickly disconnected from the utility network and for that network to be rebuilt in a safe and orderly manner. The new lslanding protection algorithm described in the paper has been developed to be part of an integrated protection package to cover all the protectior requirements of a DSG. A selection of the results obtained from extensivc laboratory and field tests are presented and show that the algorithm reliably trips for islanding conditions within 120 milliseconds, trips for load fluctuations should the DSG be operating independent of the malt source of supply and restrains for single phase faults close to the DSG.

Original language	English
Pages (from-to)	1249-1254
Number of pages	6
Journal	IEEE Transactions on Power Delivery
Volume	10
Issue number	3
DOIs	https://doi.org/10.1109/61.400903
Publication status	Published - 1 Jul 1995

Funding

The authors are pleased to acknowledge the support provided by Bath University, GEC Alsthom Protection and Control Ltd. and the Science and Engineering Research Council.

Funders
GEC Alsthom Protection and Control Ltd.
University of Bath
Science and Engineering Research Council

Keywords

Digital Protection
Dispersed Storage
Generation Units
Islanding Protection
Power System Protection

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10.1109/61.400903

Cite this

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AB - The ability to detect when dispersed storage and generation units become islanded from the main source of generation enables the DSG to be quickly disconnected from the utility network and for that network to be rebuilt in a safe and orderly manner. The new lslanding protection algorithm described in the paper has been developed to be part of an integrated protection package to cover all the protectior requirements of a DSG. A selection of the results obtained from extensivc laboratory and field tests are presented and show that the algorithm reliably trips for islanding conditions within 120 milliseconds, trips for load fluctuations should the DSG be operating independent of the malt source of supply and restrains for single phase faults close to the DSG.

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A new microprocessor based islanding protection algorithm for dispersed storage and generation units

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