Modal control of an HV DC system for the damping of subsynchronous oscillations | Zendy

YuanYih Hsu | Zendy; Li-C. Wang | Zendy

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Modal control of an HV DC system for the damping of subsynchronous oscillations

Author(s) -

YuanYih Hsu,

Li-C. Wang

Publication year - 1989

Publication title -

iee proceedings c generation transmission and distribution

Language(s) - English

Resource type - Journals

eISSN - 2053-7921

pISSN - 0143-7046

DOI - 10.1049/ip-c.1989.0013

Subject(s) - rectifier (neural networks) , electric power transmission , controller (irrigation) , control theory (sociology) , line (geometry) , maximum power transfer theorem , transmission line , modal , modal analysis , engineering , compensation (psychology) , generator (circuit theory) , electric power system , power (physics) , electronic engineering , electrical engineering , computer science , physics , control (management) , acoustics , vibration , mathematics , artificial intelligence , polymer chemistry , psychoanalysis , chemistry , stochastic neural network , recurrent neural network , biology , psychology , geometry , quantum mechanics , machine learning , artificial neural network , agronomy

A novel control scheme is presented for the design of a supplementary subsynchronous damping controller (SSDC) equipped at the rectifier end of an HVDC link that is connected in parallel with an existing resonating AC line. To stabilise the unstable subsynchronous resonance (SSR) modes, an approach based on modal control theory is developed for the design of the SSDC. Since the subsynchronous oscillations resulting from high levels of compensation on the AC line can be effectively damped out, the power transfer capability of the AC line can be enhanced by the proposed SSDC

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