Coordinated voltage control scheme for Flemish LV distribution grids utilizing OLTC transformers and D-STATCOM's

Efkarpidis, Nikolaos; Wijnhoven, Thomas; González, Carlos Larrinaga; Rybel, Tom De; Driesen, Johan

doi:10.1049/cp.2014.0041

Cited by 15 publications

(13 citation statements)

References 6 publications

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“…The OLTC is activated when the D‐STATCOM is insufficient. The D‐STATCOM can mitigate the VU and current harmonics [75]. The PVs inverters can coordinate with OLTC instead of D‐STATCOM.…”

Section: Voltage‐violation Mitigation Strategiesmentioning

confidence: 99%

Review on voltage‐violation mitigation techniques of distribution networks with distributed rooftop PV systems

Nour

Hatata

Helal

et al. 2019

IET Generation, Transmission & Distribution

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Section: Voltage‐violation Mitigation Strategiesmentioning

confidence: 99%

Review on voltage‐violation mitigation techniques of distribution networks with distributed rooftop PV systems

Nour

Hatata

Helal

et al. 2019

IET Generation, Transmission & Distribution

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“…Similarly, in [31], a method of joint control was proposed, through the operation of OLTC and reactive power control in the inverter. In [17], an attempt to combine OLTC work with the operation of distributed static compensators (D-STATCOM) was described. The aim of the work was to achieve better dynamics and continuity of control.…”

Section: Centralized and Decentralized Control Strategiesmentioning

confidence: 99%

A Review of Voltage Control Strategies for Low-Voltage Networks With High Penetration of Distributed Generation

Janiga

2020

IAPGOS

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Deterioration of voltage conditions is one of the frequent consequences of connecting an increasing number of photovoltaic sources to the low-voltage (LV) power grid. Under adverse conditions, i.e. low energy consumption and high insolation, microgeneration can cause voltage surges that violate acceptable limits. Research shows that the increase in voltage is the main limitation for connecting new energy microsources to the LV network and forces the reconstruction of the network. An alternative to costly modernizations can be the implementation of appropriate strategies for controlling network operation to maintain the voltage at the required level. The article presents an overview of the methods and concepts of voltage control in a low-voltage network developed so far to mitigate the undesirable phenomenon of voltage boosting. The focus was mainly on local methods—not requiring communication infrastructure—as best suited to the conditions of Polish distribution networks. Gathering the results of many tests and simulations carried out in different conditions and on different models allowed for the formulation of general conclusions and can be a starting point for further research on a control method that can be widely used in the national power system.

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“…If i is the index of the node with the maximum measured voltage, reduction in voltage required (∆u) to ensure no over voltage occurs is calculated using Equation (20).…”

Section: Active Power Reduction Calculationmentioning

confidence: 99%

“…Results showed that not only does use of D-STATCOM improves voltage regulation, it also suppresses harmonic distortion [19]. A coordinated control strategy for OLTC and D-STATCOM has been presented in [20]. The authors have concluded that proposed scheme is capable of mitigating both over voltages and voltage imbalances via active and reactive power control respectively.…”

Section: Introductionmentioning

confidence: 97%

Quantification and Mitigation of Unfairness in Active Power Curtailment of Rooftop Photovoltaic Systems Using Sensitivity Based Coordinated Control

2016

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Abstract:With increasing photovoltaic (PV) penetration in low voltage networks (LVNs), voltage regulation is a challenge. Active power curtailment (APC) is one possible solution for mitigating over voltages resulting from active power injection in LVNs. There is an inherent unfairness in the APC scheme. When generation is high and consumption is low, the voltages at the end of the feeder tend to be the highest. This results in high curtailment of active power output of the inverters located at the end of the feeder and low or even no curtailment for the inverts located closer to the transformer. A secondary voltage controller has been implemented to mitigate this unfairness in APC based voltage support schemes. The focus of this work is to quantify this unfairness and develop methods that enable residential PV owners serviced by the same feeder to participate equally in voltage regulation in the LVN.

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Coordinated voltage control scheme for Flemish LV distribution grids utilizing OLTC transformers and D-STATCOM's

Cited by 15 publications

References 6 publications

Review on voltage‐violation mitigation techniques of distribution networks with distributed rooftop PV systems

Review on voltage‐violation mitigation techniques of distribution networks with distributed rooftop PV systems

A Review of Voltage Control Strategies for Low-Voltage Networks With High Penetration of Distributed Generation

Quantification and Mitigation of Unfairness in Active Power Curtailment of Rooftop Photovoltaic Systems Using Sensitivity Based Coordinated Control

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