Research about Subsynchronous Oscillation Caused by High-Voltage-Direct-Current

Nan Zhou; Guan Rong Wang

doi:10.4028/www.scientific.net/AMR.805-806.920

Paper Titles

Characteristic Analysis of the Insulation State of Single-Core XLPE Cables
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Study on the Shock Wave Pressure Characteristics of Pulsed Discharge in Liquid in the Pipe
p.906

Experiment of Transient Electric Shock under HVDC Transmission Lines
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Design and Application of High Potential Acquisition System for Corona Current Measurement
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Research about Subsynchronous Oscillation Caused by High-Voltage-Direct-Current
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Design on Synchronize Debugging Device for Extra High Voltage Transmission Line Longitudinal Protection
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Defects Analysis and Reconstruction for 10kV Circuit Breaker
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Electromagnetic - Electromechanical Transient Hybrid Simulation of Deyang-Baoji HVDC System Based on ADPSS
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Influence of Eddy Current Effect on the Circuit Breaker Contact Mechanism Heat Loss
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 805-806Research about Subsynchronous Oscillation Caused...

Research about Subsynchronous Oscillation Caused by High-Voltage-Direct-Current

Abstract:

Torsional interaction exists between HVDC converters and turbine-generators, and negative electrical damping provided by HVDC may cause subsynchronous oscillation (SSO) that can lead to turbine-generator shaft failure and electrical instability at oscillation frequencies lower than the fundamental system frequency. This paper makes a preliminary inquiry about the subsynchronous oscillation mechanism caused by the HVDC system, and puts forward Subsynchronous Damping Controller, and eventually makes a damping synchronous oscillation of the electrical Damping torque increment out of the generator electromagnetic torque to suppressing SSO.

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Periodical:

Advanced Materials Research (Volumes 805-806)

Pages:

920-925

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.805-806.920

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Online since:

September 2013

Authors:

Nan Zhou*, Guan Rong Wang

Keywords:

Damping Controller, HVDC, Sub-Synchronous Oscillation (SSO), Unit Interaction Factor

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