A comprehensive assessment of PV inverters operating with droop control for overvoltage mitigation in LV distribution networks

Pedro P. Vergara; Mauricio Salazar; Tam T. Mai; Phuong H.  Nguyen; Han Slootweg

doi:10.1016/j.renene.2020.05.151

A comprehensive assessment of PV inverters operating with droop control for overvoltage mitigation in LV distribution networks

Pedro P. Vergara^*, Mauricio Salazar, Tam T. Mai, Phuong H. Nguyen, Han Slootweg

^*Corresponding author for this work

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

36 Citations (Scopus)

Abstract

The rapid increase in the number of PV installations in current low voltage (LV) distribution networks brings many technical operational challenges. This claims for the deployment of control strategies to deal with these concerns, especially those related to overvoltage issues. Based on this, this paper presents a comprehensive assessment of the performance of PV inverters operating with droop control for overvoltage mitigation using a stochastic methodology based on a Monte Carlo approach. The uncertainty related to the PV generation and the users’ consumption behavior is fully considered through advanced statistical modeling techniques. Voltage magnitude and loading indexes are used as key metrics to assess the technical performance of the distribution network, simulated using OpenDSS, under two droop-based control strategies: Active Power Control (APC) and coordinated Reactive and Active Power Control (RPC-APC). The effects of curtailed energy on the PV users’ revenue is also analyzed. A case of study based on real smart meter data from The Netherlands is used. According to the obtained results, both control strategies are effective to mitigate voltage violations. Nevertheless, for the case of 100% PV penetration, the droop-based coordinated RPC-APC allowed an 18% more of exported energy than the droop-based APC control strategy.

Original language	English
Pages (from-to)	172-183
Number of pages	12
Journal	Renewable Energy
Volume	159
DOIs	https://doi.org/10.1016/j.renene.2020.05.151
Publication status	Published - 2020
Externally published	Yes

Keywords

Droop control
LV distribution Systems
Monte Carlo simulations
Overvoltage
PV inverters

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.renene.2020.05.151

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title = "A comprehensive assessment of PV inverters operating with droop control for overvoltage mitigation in LV distribution networks",

abstract = "The rapid increase in the number of PV installations in current low voltage (LV) distribution networks brings many technical operational challenges. This claims for the deployment of control strategies to deal with these concerns, especially those related to overvoltage issues. Based on this, this paper presents a comprehensive assessment of the performance of PV inverters operating with droop control for overvoltage mitigation using a stochastic methodology based on a Monte Carlo approach. The uncertainty related to the PV generation and the users{\textquoteright} consumption behavior is fully considered through advanced statistical modeling techniques. Voltage magnitude and loading indexes are used as key metrics to assess the technical performance of the distribution network, simulated using OpenDSS, under two droop-based control strategies: Active Power Control (APC) and coordinated Reactive and Active Power Control (RPC-APC). The effects of curtailed energy on the PV users{\textquoteright} revenue is also analyzed. A case of study based on real smart meter data from The Netherlands is used. According to the obtained results, both control strategies are effective to mitigate voltage violations. Nevertheless, for the case of 100% PV penetration, the droop-based coordinated RPC-APC allowed an 18% more of exported energy than the droop-based APC control strategy.",

keywords = "Droop control, LV distribution Systems, Monte Carlo simulations, Overvoltage, PV inverters",

author = "Vergara, {Pedro P.} and Mauricio Salazar and Mai, {Tam T.} and Nguyen, {Phuong H.} and Han Slootweg",

year = "2020",

doi = "10.1016/j.renene.2020.05.151",

language = "English",

volume = "159",

pages = "172--183",

journal = "Renewable Energy",

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T1 - A comprehensive assessment of PV inverters operating with droop control for overvoltage mitigation in LV distribution networks

AU - Vergara, Pedro P.

AU - Salazar, Mauricio

AU - Mai, Tam T.

AU - Nguyen, Phuong H.

AU - Slootweg, Han

PY - 2020

Y1 - 2020

N2 - The rapid increase in the number of PV installations in current low voltage (LV) distribution networks brings many technical operational challenges. This claims for the deployment of control strategies to deal with these concerns, especially those related to overvoltage issues. Based on this, this paper presents a comprehensive assessment of the performance of PV inverters operating with droop control for overvoltage mitigation using a stochastic methodology based on a Monte Carlo approach. The uncertainty related to the PV generation and the users’ consumption behavior is fully considered through advanced statistical modeling techniques. Voltage magnitude and loading indexes are used as key metrics to assess the technical performance of the distribution network, simulated using OpenDSS, under two droop-based control strategies: Active Power Control (APC) and coordinated Reactive and Active Power Control (RPC-APC). The effects of curtailed energy on the PV users’ revenue is also analyzed. A case of study based on real smart meter data from The Netherlands is used. According to the obtained results, both control strategies are effective to mitigate voltage violations. Nevertheless, for the case of 100% PV penetration, the droop-based coordinated RPC-APC allowed an 18% more of exported energy than the droop-based APC control strategy.

AB - The rapid increase in the number of PV installations in current low voltage (LV) distribution networks brings many technical operational challenges. This claims for the deployment of control strategies to deal with these concerns, especially those related to overvoltage issues. Based on this, this paper presents a comprehensive assessment of the performance of PV inverters operating with droop control for overvoltage mitigation using a stochastic methodology based on a Monte Carlo approach. The uncertainty related to the PV generation and the users’ consumption behavior is fully considered through advanced statistical modeling techniques. Voltage magnitude and loading indexes are used as key metrics to assess the technical performance of the distribution network, simulated using OpenDSS, under two droop-based control strategies: Active Power Control (APC) and coordinated Reactive and Active Power Control (RPC-APC). The effects of curtailed energy on the PV users’ revenue is also analyzed. A case of study based on real smart meter data from The Netherlands is used. According to the obtained results, both control strategies are effective to mitigate voltage violations. Nevertheless, for the case of 100% PV penetration, the droop-based coordinated RPC-APC allowed an 18% more of exported energy than the droop-based APC control strategy.

KW - Droop control

KW - LV distribution Systems

KW - Monte Carlo simulations

KW - Overvoltage

KW - PV inverters

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DO - 10.1016/j.renene.2020.05.151

M3 - Article

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SN - 0960-1481

VL - 159

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JO - Renewable Energy

JF - Renewable Energy

ER -

A comprehensive assessment of PV inverters operating with droop control for overvoltage mitigation in LV distribution networks

Abstract

Keywords

UN SDGs

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