Warren Katzenstein

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Renewables portfolio standards (RPS) encourage large-scale deployment of wind and solar electric power. Their power output varies rapidly, even when several sites are added together. In many locations, natural gas generators are the lowest cost resource available to compensate for this variability, and must ramp up and down quickly to keep the grid stable,(More)
We use timeand frequency-domain techniques to quantify the extent to which long-distance interconnection of wind plants in the United States would reduce the variability of wind power output. Previous work has shown that interconnection of just a few wind plants across moderate distances could greatly reduce the ratio of fastto slow-ramping generators in(More)
Introduction: The global and regional history of the surface of Venus can be interpreted by analysis of radar data and interpretation of individual mapped units. However, choice of mapping methods can lead to different interpretations of units. Areas containing volcanic plains and flows within the Nemesis Tessera quadrangle provide one example of areas in(More)
High penetration of intermittent renewable generators can substantially increase the variability and uncertainty in power system operations. Energy storage and demand response have been proposed as resources that can be used to mitigate this uncertainty and variability. This paper describes planning system that couples a stochastic weather model, renewable(More)
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