Voltage dip analysis in the Uruguayan transmission network in high penetration wind generation scenarios

Afonso, José; Artenstein, Michel; Giusto, Alvaro

doi:10.1109/tdc-la.2012.6319082

Cited by 3 publications

(5 citation statements)

References 4 publications

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“…A compact representation of the sags produced by faults in all the nodes of a meshed network (with a given configuration of generators) is provided by the voltage sag matrix (VSM), also called the during fault voltage (DFV) matrix 18‐20 . A more accurate voltage sag calculation is obtained through the power system exposed areas (or areas of vulnerability) contour lines, which graphically show the fault positions that cause a given sag magnitude at a considered node 9,15,21,22 . Both these tools are used in this study: the VSM and the exposed areas contour lines are calculated to predict the annual number of voltage sags and their magnitude in any individual node of the network.…”

Section: Introductionmentioning

confidence: 99%

“…While most of the previous studies analyze voltage sags in transmission systems unrelated to the type of generators, few papers have specifically addressed this analysis considering the effects of SGs reduction due to the connection of large IBGs 22‐24 . The work in Reference 22 analyses voltage sags in the Uruguayan transmission system with large wind‐based generating units. More generally, voltage sags in networks including different types of wind generators are analyzed in Reference 23.…”

Section: Introductionmentioning

confidence: 99%

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Effects of the penetration of inverter‐based generators on voltage sags in HV networks: Analysis of the Sardinian network

Quaia

Poli

Cuccia

2021

Int Trans Electr Energ Syst

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Summary This study aims at evaluating the impact of the current changes in power generation on voltage sags (dips) in HV networks. This changing process started about 15 to 20 years ago and concerns the increasing diffusion of inverter‐based generators (IBGs) and the contemporary reduction of synchronous generators (SGs). A major effect of this ongoing transition is the reduction of short‐circuit currents/powers in the electrical grid, with consequent changes of the voltage sags caused by faults in the grid. This study is the first step of a larger research project involving the whole Italian HV network. The goal is a quantitative evaluation of the effects of the transition from an “old” power park (with only SGs) to a present power park (with less SGs and IBGs) on voltage sags in a HV network. In this paper, the analysis concerns the real HV network of Sardinia, which comprises 262 nodes altogether. Despite some simplifying assumptions, the results—consistent with the sag classification of the Standard EN 50160—give a clear and original quantitative evaluation of the negative effects of the considered change of production units on voltage sags.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of the penetration of inverter‐based generators on voltage sags in HV networks: Analysis of the Sardinian network

Quaia

Poli

Cuccia

2021

Int Trans Electr Energ Syst

View full text Add to dashboard Cite

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“…All the previous papers analyzed the problem of the voltage sags in the transmission systems in which the only generation units are traditional power units. Few papers have addressed the analysis of voltage sags in transmission systems that include large DG units [22,23].…”

Section: Introductionmentioning

confidence: 99%

“…In [22], the Fault Position Method (FPM) was used to study voltage sags in the Uruguayan transmission system, which includes large wind-based generating units. The study provided an interesting characterization of the actual Uruguayan transmission system based on the concept of vulnerabilities associated with different levels of wind-based generation of electricity.…”

Section: Introductionmentioning

confidence: 99%

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Impact of Distributed Generation on the Voltage Sag Performance of Transmission Systems

et al. 2017

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Abstract:In this paper, we analysed the growing penetration of generating units from renewable energy sources in transmission power systems. Among the possible effects of the interaction of distributed generation (DG) with transmission systems, we considered the abnormal operating conditions caused by short circuits in the transmission systems and the resulting voltage sags that occur in the network. A systematic method is presented for analysing the voltage sag behaviour of any transmission system in which large DG units are connected to the transmission system by means of High Voltage/Medium Voltage (HV/MV) stations. The method proposed for obtaining the voltage sags is the fault position method (FPM), from which we derived a graphical visualization of the during-fault voltage (DFV) matrix as a valuable tool to obtain an immediate measure of the propagation of voltage sags in the network. The results obtained were based on a portion of a real transmission system. The system that we considered is an actual portion of the Italian transmission system, and all of the quantities we used were obtained from the data of the Transmission system operator (TSO).

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Sag Estimation of Real Transmission Systems for Faults Along the Lines in the Presence of Distributed Generation

Mambro

Caramia

Varilone

et al. 2018

2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Syst

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Voltage dip analysis in the Uruguayan transmission network in high penetration wind generation scenarios

Cited by 3 publications

References 4 publications

Effects of the penetration of inverter‐based generators on voltage sags in HV networks: Analysis of the Sardinian network

Effects of the penetration of inverter‐based generators on voltage sags in HV networks: Analysis of the Sardinian network

Impact of Distributed Generation on the Voltage Sag Performance of Transmission Systems

Sag Estimation of Real Transmission Systems for Faults Along the Lines in the Presence of Distributed Generation

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