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The integration of wind power into the grid causes numerous stability and reliability issues due to its low inertia and intermittent nature. To ensure system stability, wind power production has to be restricted, which implies that the system cannot absorb the entire output available from wind generation, especially if the output is high. Consequently, the reliability of the integrated system is adversely...
In recent years, renewable energy sources like wind and solar photovoltaic (PV) are rapidly evolving in South Australia. Most of the new wind power plants in South Australia deploy variable speed wind machines, specifically type III and type IV wind turbine generators. These plants naturally do not provide any support in frequency regulation after a contingency. These ‘asynchronous’ machines together...
The integration of wind power into power systems has been gaining momentum in the global energy industry due to its environmental benefits and abundance of supply. However, the natural intermittent and non-dispatchable features of wind negatively impact the system's frequency regulation capability. Wind power not only injects additional fluctuations to the already variable nature of frequency deviation,...
South Australia is a southern state of Australia, where penetration of wind power has continuously increased over the last few years. In recent times, most of the wind power plants have been constructed based on variable speed wind turbine generators, namely type III and IV machines. These machines, however, do not intrinsically offer any support to control frequency excursion following a major disturbance...
The presence of wind generation with intermittent and low inertia features increases the need for modification in power system operation and planning. One of the main problems of wind integration is the effect of wind on system frequency. This paper addresses the environmental-economic generation dispatch of the wind integrated system while considering the frequency stability condition as a constraint...
Participation of wind energy along with conventional fuel sources in power generation is progressively rising in many countries. Due to continuous development of large-scale wind farms, some synchronous generators are being economically displaced from generation schedule. Modern wind turbine generators do not generally provide frequency control support after a disturbance, while during a fault they...
In recent years wind power integration has substantially increased in southern states of Australia. At present South Australia has the highest wind generation capacity of any region across the country. This large capacity penetration would likely displace existing synchronous generation fleet. These wind generators have neither enough inertia response nor governor support to control major frequency...
In this paper a procedure for estimating the inertial frequency response of a power system with high wind energy penetration is presented, and the influence of the wind power fluctuations on the variability of the inertial response is analyzed. The procedure is based on the accuracy of the disturbance start-time detection and the frequency's rate of change. An algorithm for estimating the disturbance...
Wind energy has an immense potential to play a vital role with conventional energy sources. Therefore, integration of wind power is increasing in many power systems. Unlike synchronous generators, modern wind farms have lack of automatic frequency support capability following a disturbance. Thus, an addition of wind power does impact the frequency response of a power system. Inadequate frequency response...
Frequency response is a key concern for power system security. Usually, it is estimated in a deterministic approach. But in most cases, power systems behave stochastically. Moreover, presence of wind power imposes further variability on generation profile of a power system. Hence, it appears more pragmatic to address these uncertainties during an evaluation of frequency response. This paper develops...
In researching and developing wind turbine generator systems, one important thing is to predict the responses of the system for various cases of the wind conditions. Considering the aspect of economics and convenience, a wind turbine simulator that can simulate the dynamic performances of actual wind turbine generator systems is very practical. In this paper, a wind turbine simulator with a DC motor...
A Wind penetration Secure level Assessment Tool (WSAT) is currently being developed by EirGrid Pic and Powertech Labs Inc that will help maximising use of its wind power generation while maintaining secure operation of the Irish power system. The tool is based on voltage and transient security analysis of transfers between wind and conventional power generation. In on-line WSAT application WSAT obtains...
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