Harmonic Modelling and Stability Analysis of Multi-Vendor Grid-forming Wind Power Plants

Project Details

Description

Abstract:
The industrial development has brought both convenience and significant environmental impacts. As the demand for energy increases, the greenhouse effect on the earth is intensifying. With a growing emphasis on environmental awareness and non-carbon emissions, renewable energy sources such as wind and solar power have become critical development objects in the decade. Wind power is a safe and environmentally friendly energy source. However, wind power has issues with stability performance, especially when integrated with increasing wind power plants (WPPs) into the utility grid. Moreover, harmonics and resonances are expected to dramatically increase when deploying with multi-vendor WPPs, which may attempt grid stability. The main purpose of this study is to address harmonic stability issues for multi-vendor grid-forming WPPs caused by circulating voltage/current harmonics. The first step is establishing the impedance model of the GFM doubly fed Induction Generator (DFIG) wind turbine (WT) to analyse the nonlinear characteristics. Subsequently, the stability of each WPP for potential interactions with the utility grid in the existence of harmonically contaminated voltage and currents will be analysed. The harmonic source is analysed and identified in this step. Finally, advanced control solutions will be proposed to minimise voltage harmonic distortion and resonances of point of common coupling (PCC).

Funding: Self-funded
StatusActive
Effective start/end date15/06/202414/06/2027

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