The mechanism analysis of sub-synchronous oscillation in PMSG wind plants

Gao, Feng; Wu, Bingqing; Zhang, Baohui; He, Qingfang; Wang, Duo; Ba, Wei

doi:10.1109/eeeic.2017.7977501

Cited by 8 publications

(2 citation statements)

References 3 publications

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“…Furthermore, severe torsional vibrations would be excited on the shaft of any nearby generators when the oscillation frequency matches the torsional mode. Based on transfer function and eigenvalue technique, the papers [48, 49] hold the views that voltage feed forward in network side controller is the direct cause of SSI. In [23], it has been proved that signals with different frequency could be generated and magnified by converters when sub‐synchronous components are added into the network.…”

Section: Characteristics Of Ssi In Wind Farmsmentioning

confidence: 99%

Sub‐synchronous interactions in power systems with wind turbines: a review

Zhang

2018

IET Renewable Power Generation

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The sub-synchronous interactions (SSIs) observed in wind power plants have gained attention in recent years. These oscillations are characterised by the diversity of wind power generation types, power grids and power electronic devices. Two pure electrical oscillations, namely induction generator effect (IGE) and sub-synchronous control interaction in wind farms, are firstly discussed on their different characteristics. Particularly, IGE normally falls into the category of sub-synchronous resonance. Then two major types of wind turbines: doubly fed induction generator and permanent magnet synchronous generator with respect to their participations in SSI are reviewed according to the current research status. Several typical analysis and mitigation techniques in existing literature are also expounded in regard to their advantages and disadvantages. Additionally, the research on a grid-connected voltage-source converter in combination with the phase-locked loop, which has caused instability issues including SSI, is briefly introduced. Conclusions are drawn and several perspectives on the future work are presented at the end of this study.

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Section: Characteristics Of Ssi In Wind Farmsmentioning

confidence: 99%

Sub‐synchronous interactions in power systems with wind turbines: a review

Zhang

2018

IET Renewable Power Generation

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“…Gao et al . [4] considered that the measurement delay of feedforward DC‐capacitor voltage is the main cause of SSO for PMSG based wind farm connected to the grid.…”

Section: Introductionmentioning

confidence: 99%