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This paper presents a robust control design to integrate hydro generators to address increased frequency deviations in power systems with high wind power penetration. A robust control design framework for hydro governors is proposed in order to particularly tackle with disturbances from wind power fluctuation. First, by combining state equations of hydro, thermal, and wind generators through the power...
The aim of this paper is to explore a new model to generate electricity with higher penetration rate of renewable energy. Conventional system to generate electricity is to generate large amount electricity at power station and then deliver to the consumer through long transmission line and distribution system. The losses and costs, incorporated with these processes, are not negligible. Another System...
Integrating additional wind energy into the existing power system may cause wind curtailment due to the system operational constraints and reliability requirements. Effective ways to mitigate this problem are to use energy storage or increase transmission capacity. In this paper, the impacts of coordinating with pumped storage and increasing transmission capacity on wind output curtailment mitigation...
The equivalent modeling method is extensively used in the area of power system optimization. The thermal power system can be simplified into an equivalent thermal unit in the studies where the performance of individual units is not the focus. Conventionally, the equivalent ramp rate for the equivalent thermal unit is the summation of each unit's ramp rate. However, the equivalent ramp rate relies...
In power system operation, frequency issue caused by power imbalance between generation and load can be happened in power system. If generation is smaller than load, system frequency will drop. When generation deficiency is too large, system frequency will decrease significantly which can lead to system blackout. To solve this frequency issue, proper under-frequency load shedding and also islanding...
The increased penetration of wind turbine generators into the electric power grid affects the operational reserve requirements due to the high variability of this resource. With the development of wind prediction technologies, it is now possible to get accurate estimates for wind power output and, therefore, operational reserve requirements can be calculated for hours in advance. This paper focuses...
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