A Dynamical Model for a Hydrostatic Wind Turbine Transmission Coupled to the Grid with a Synchronous Generator | IEEE Conference Publication | IEEE Xplore

A Dynamical Model for a Hydrostatic Wind Turbine Transmission Coupled to the Grid with a Synchronous Generator


Abstract:

This paper presents a model to capture the electromechanical dynamics of a wind turbine with hydrostatic transmission (HST) coupled to the electrical grid through a synch...Show More

Abstract:

This paper presents a model to capture the electromechanical dynamics of a wind turbine with hydrostatic transmission (HST) coupled to the electrical grid through a synchronous generator. The HST is a continuously variable transmission that decouples the generator from the wind-turbine rotor shaft, which allows it to rotate at its synchronous speed. The topology does not include any power-electronics interfaces for energy conversion. The dynamic model of the HST and synchronous generator are used to examine the performance of the system under various disturbances in incident wind through detailed time-domain simulations. We find that with the proposed topology, the terminal voltage and frequency of the generator can be well regulated under a variety of large-signal disturbances.
Date of Conference: 10-12 July 2019
Date Added to IEEE Xplore: 29 August 2019
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Conference Location: Philadelphia, PA, USA

I. Introduction

Wind energy is the fastest growing green and clean energy source of electricity. The total installed capacity of wind was 539 GW by the end of 2017, which is more than 5% of the global electricity demand [1]. Most wind energy comes from large wind farms in rural areas, far away from the point of use, increasing transmission cost. In contrast, small and midsize turbines can fulfill local demand and make the grid more reliable and stable because of their distributed nature. These wind turbines can be installed in homes, farms, businesses, and public facilities such as schools or hospitals to reduce consumer electricity bills.

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References

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