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access icon openaccess Power system stabiliser PSS4B-W parameters optimisation and RTDS test verification

This is an open access article published by the IET under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Received 23/08/2018, Accepted 19/09/2018, Published 29/10/2018

This study introduces the mathematical model of a new type of power system stabiliser PSS4B-W. The concept of crossbreed in genetic algorithm is introduced to particle swarm optimisation algorithm and applied to PSS4B-W parameter optimisation. With a PCS-9410 excitation regulator, the semi-physical simulation system is constituted on a real time digital simulator (RTDS) platform. By measuring the excitation system phase frequency characteristic without compensation, the PSS4B-W parameter optimisation is converted to a set of parameters optimisation process with inequality constraint. In the RTDS platform, the time-domain dynamic response of without PSS, adding PSS2B and PSS4B-W, is compared and analysed. Simulation results show that the optimised PSS4B-W can provide effective damping in different frequency bands, and have good inverse-regulation suppression effect.

Inspec keywords: time-domain analysis; genetic algorithms; particle swarm optimisation; power system stability; dynamic response; optimisation

Other keywords: PCS-9410 excitation regulator; RTDS platform; semiphysical simulation system; parameters optimisation process; RTDS test verification; inequality constraint; particle swarm optimisation algorithm; excitation system phase frequency characteristic; genetic algorithm; time-domain dynamic response; mathematical model; inverse-regulation suppression effect; power system stabiliser PSS4B-W parameter optimisation

Subjects: Optimisation techniques; Power system control; Mathematical analysis

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