Micro-grids reliability enhancement under different penetration levels of hybrid dg units

M. Essam; Y. M. Atwa; Ehab F. El-Saadany; Stefania Conti; Santi Agatino Rizzo

doi:10.5370/JEET.2018.13.4.1407

Micro-grids reliability enhancement under different penetration levels of hybrid dg units

M. Essam, Y. M. Atwa, Ehab F. El-Saadany, Stefania Conti, Santi Agatino Rizzo

Electrical Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Novel mechanism of customized adequacy formulation is proposed in order to enhance micro grids system reliability. The mechanism accounts for 2-levles of load curtailment, and is mainly based on probabilistic load profile and hybrid Distributed Generation (DG) units modeling. The two load curtailments are needed in order to ensure adequate technical constraints at steady state condition during islanding mode of operation. The effectiveness of the proposed formulation has been verified using system independent analytical expressions for the evaluation of both reliability and Expected Energy Not Served (EENS) indices. The evaluation has examined the impact of different penetration levels of Hybrid DG Units in case study islands. Results show the enhancement of the overall distribution system reliability and the recommended conditions for successful islanding mode of operation.

Original language	British English
Pages (from-to)	1407-1418
Number of pages	12
Journal	Journal of Electrical Engineering and Technology
Volume	13
Issue number	4
DOIs	https://doi.org/10.5370/JEET.2018.13.4.1407
State	Published - Jul 2018

Keywords

Analytical models
Distributed generation
Distribution system reliability
EENS
Islanding
Micro grids

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10.5370/JEET.2018.13.4.1407

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title = "Micro-grids reliability enhancement under different penetration levels of hybrid dg units",

abstract = "Novel mechanism of customized adequacy formulation is proposed in order to enhance micro grids system reliability. The mechanism accounts for 2-levles of load curtailment, and is mainly based on probabilistic load profile and hybrid Distributed Generation (DG) units modeling. The two load curtailments are needed in order to ensure adequate technical constraints at steady state condition during islanding mode of operation. The effectiveness of the proposed formulation has been verified using system independent analytical expressions for the evaluation of both reliability and Expected Energy Not Served (EENS) indices. The evaluation has examined the impact of different penetration levels of Hybrid DG Units in case study islands. Results show the enhancement of the overall distribution system reliability and the recommended conditions for successful islanding mode of operation.",

keywords = "Analytical models, Distributed generation, Distribution system reliability, EENS, Islanding, Micro grids",

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AU - Essam, M.

AU - Atwa, Y. M.

AU - El-Saadany, Ehab F.

AU - Conti, Stefania

AU - Rizzo, Santi Agatino

N1 - Publisher Copyright: © The Korean Institute of Electrical Engineers.

PY - 2018/7

Y1 - 2018/7

N2 - Novel mechanism of customized adequacy formulation is proposed in order to enhance micro grids system reliability. The mechanism accounts for 2-levles of load curtailment, and is mainly based on probabilistic load profile and hybrid Distributed Generation (DG) units modeling. The two load curtailments are needed in order to ensure adequate technical constraints at steady state condition during islanding mode of operation. The effectiveness of the proposed formulation has been verified using system independent analytical expressions for the evaluation of both reliability and Expected Energy Not Served (EENS) indices. The evaluation has examined the impact of different penetration levels of Hybrid DG Units in case study islands. Results show the enhancement of the overall distribution system reliability and the recommended conditions for successful islanding mode of operation.

AB - Novel mechanism of customized adequacy formulation is proposed in order to enhance micro grids system reliability. The mechanism accounts for 2-levles of load curtailment, and is mainly based on probabilistic load profile and hybrid Distributed Generation (DG) units modeling. The two load curtailments are needed in order to ensure adequate technical constraints at steady state condition during islanding mode of operation. The effectiveness of the proposed formulation has been verified using system independent analytical expressions for the evaluation of both reliability and Expected Energy Not Served (EENS) indices. The evaluation has examined the impact of different penetration levels of Hybrid DG Units in case study islands. Results show the enhancement of the overall distribution system reliability and the recommended conditions for successful islanding mode of operation.

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Micro-grids reliability enhancement under different penetration levels of hybrid dg units

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Keywords

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