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Akademický článek
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Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :1630-1636
A modified unit commitment is proposed in this paper that would be updated on three different cycles (daily, quarter-hourly and every minute). The 24 hour updated unit commitment would include the effects of load and slow trend wind power change that
Publikováno v:
SIAM Journal on Applied Mathematics. 27:293-302
It is shown how to recursively compute linear least-squares estimates for a signal $x_t = \phi (t)u_t $, where $\phi (t)$ is an $n \times n$ matrix and $u_t $ is a wide-sense martingale, based on noisy observations. Assuming that the observation proc
Autor:
G. L. Park, R. Colony
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. 96:628-634
Most electric utilities have emergency procedures for reducing system load when their generation and outside purchases cannot meet the expected load and reserve requirement. One such procedure reduces voltage by means of transformer tap changes or vo
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :144-152
The effects of large rapid changes in generation from large arrays of wind turbine generators on the operation of automatic generation control (AGC) and frequency regulation will be assessed. The theoretical worst case change and rates of change of g
Publikováno v:
Automatica. 12:23-30
The identification of dynamic models which relate power and frequency deviations on a tie line of a power system is investigated. The identification problem is posed and three identification algorithms are presented which produce least squares models
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :1642-1650
Previous results have [1,2,3] been concerned with establishing (1) whether operating problems could exist when WECS generation is significant and (2) the proper modification of unit commitment, regulation, and economic dispatch required to provide su
Autor:
Orville W. Zastrow, G. L. Park
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :2375-2382
Consumer-owned wind-driven electric generators present special interconnection problems to distribution systems. Distribution engineers responsible for managing those problems need to understand the operation of wind-electric systems and the possible
Autor:
G. L. Park, John Michael Miller
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :3074-3079
Distribution engineers are concerned about harmonic currents injected in the distribution network by switching inverters and load controls. When an inverter is driven by a random power source such as a windmill or photo voltaic array, the effects may