NDLI: The impact of dispersed PV generation on ramp rate requirements

Content Provider	IEEE Xplore Digital Library
Author	Arabali, A.S. Dehghanian, P. Moeini-Aghtaie, M. Abbaspour, A.
Copyright Year	2012
Description	Author affiliation: Department of Electrical Engineering, Sharif University of Technology, Tehran, Iran (Arabali, A.S.; Dehghanian, P.; Moeini-Aghtaie, M.; Abbaspour, A.)
Abstract	PV generation variability and uncertainty significantly influence operation of the power systems with high penetration of PV sources. The potential impact of distributed PV generation on ramp rate requirements in the IEEE 24-bus system is evaluated in this paper. PV generation and load are, here, probabilistically modeled using actual data and curve fitting approach. Probabilistic unit commitment (UC) based on unit de-commitment method combined with two point estimate method (2-PEM) is used to determine the ramp rate required to compensate for the PV power fluctuations. The proposed method considers stochastic factors and their effects on the dispatch results. Two scenarios are studied to evaluate the dispersed PV generation and its potential to reduce the ramp rate requirement of conventional generators. Ramping requirements of the system are calculated for 6 hours ahead scheduling period and different PV penetration levels, which lend the authors a hand in a conclusion concerning the applicability and efficiency of the proposed method.
Starting Page	977
Ending Page	982
File Size	780198
Page Count	6
File Format	PDF
ISBN	9781457718304
e-ISBN	9781457718298
DOI	10.1109/EEEIC.2012.6221519
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-18
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fluctuations Two point estimate method (2-PEM) Ramp rate requirements Unit commitment Probabilistic logic Generators Distributed PV generation Standards Power systems Stochastic modeling Power generation Unit de-commitment Load modeling
Content Type	Text
Resource Type	Article

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