2020
DOI: 10.35833/mpce.2020.000004
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A Hybrid Model for Short-term PV Output Forecasting Based on PCA-GWO-GRNN

Abstract: High-precision day-ahead short-term photovoltaic (PV) output forecasting is essential in PV integration to the smart distribution networks and multi-energy system, and provides the foundation for the security, stability, and economic operation of PV systems. This paper proposes a hybrid model based on principal component analysis, grey wolf optimization and generalized regression neural network (PCA-GWO-GRNN) for day-ahead short-term PV output forecasting, considering the features of multiple influencing facto… Show more

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Cited by 61 publications
(25 citation statements)
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“…Indicator of quantile W ITH the increasing capacity of renewable energy, the randomness and dynamic fluctuations of electrical magnitudes set new requirements for power system security, efficiency, and flexibility [1]- [3]. More specifically, as wind power production usually suffers from lower controllability and higher variability, compared with conventional power generation, considerable uncertainties in power system operation are introduced [4], [5].…”
Section: Nomenclature ηmentioning
confidence: 99%
“…Indicator of quantile W ITH the increasing capacity of renewable energy, the randomness and dynamic fluctuations of electrical magnitudes set new requirements for power system security, efficiency, and flexibility [1]- [3]. More specifically, as wind power production usually suffers from lower controllability and higher variability, compared with conventional power generation, considerable uncertainties in power system operation are introduced [4], [5].…”
Section: Nomenclature ηmentioning
confidence: 99%
“…In the case where the information is not lost, with fewer parameters instead of the original multiple parameters, the calculation and convergence speed improves. As a classic data dimensionality reduction method, the main purpose of PCA (Ge et al, 2020) is "dimensionality reduction," and its idea is to convert multiple indicator features into a small number of comprehensive indicators. Each principal component can reflect most of the information of the original variable, discarding redundant information.…”
Section: Pca Principal Component Analysismentioning
confidence: 99%
“…The artificial fish swarm algorithm and particle swarm optimization AFSA-PSO is used to develop aircraft path planning [11]. L.Ge et al [12] made a hybrid forecast of short-term photovoltaic power generation based on the PCA-GWO-GRNN algorithm.…”
Section: Introductionmentioning
confidence: 99%