Maintenance of a High-Voltage Overhead Transmission Line: Sustainability and Noise Impact Assessment

Piana, Edoardo Alessio; Bignucolo, Fabio; Donini, Alberto; Spezie, Roberto

doi:10.3390/su10020491

Cited by 6 publications

(3 citation statements)

References 26 publications

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“…In addition, some risk factors were also intensively investigated for condition assessment and risk management [13][14][15]. Based on the acquired condition and risk, different maintenance strategies were proposed for effective HVTL maintenance management [16][17][18][19]. Moreover, economic crisis has forced the power supply industry to maintain acceptable power quality and reliability under the minimum cost of operation and maintenance [20,21].…”

Section: Introductionmentioning

confidence: 99%

D-distance Risk Factor for Transmission Line Maintenance Management and Cost Analysis

Luejai

Suwanasri

2021

Sustainability

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In this paper, a D-distance risk factor was proposed to prioritize high-voltage transmission lines from high to low risk in transmission line maintenance and renovation management. Various conditions and importance assessment criteria together with the weighting and scoring method were proposed to calculate both the renovation and importance indices of transmission lines. The scores of different test methods and visual inspection were differentiated from zero to five as end-of-life to very good condition to evaluate the condition of the line and its components. Additionally, the scores of different importance criteria were modified to assess the line importance from low to high importance. Moreover, the analytic hierarchy process was applied to determine the important weight of all test methods and importance criteria, which were evaluated by utility experts. The renovation and importance indices were combined in a risk matrix to finally determine the risk of the line by using the D-distance technique. Later, the risk of every transmission line was plotted in a risk matrix to prioritize and manage maintenance tasks. Finally, a maintenance cost was analyzed by applying the D-distance risk factor and compared with the replacement cost of a new transmission line for maintenance planning and cost minimization. Twenty out of 115, 230 and 500 kV transmission lines fleet in Thailand were practically analyzed with actual data. The results were realistic to feasibly implement in a transmission system for sustainable management.

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Section: Introductionmentioning

confidence: 99%

D-distance Risk Factor for Transmission Line Maintenance Management and Cost Analysis

Luejai

Suwanasri

2021

Sustainability

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“…Sanders et al [9] state that "if it is properly taken into account during the design phase", noise is not a problem in new installations, thus implying that indeed it might be an issue when not thoroughly considered, or in the case of expansion of existing installations, which are usually stretched to the limit. When designing or revamping a power substation, equipment with noise emissions below the manufacturer's standard can be required to reduce continuously radiated discrete tones [8], impulse noise [10] and corona discharge noise [11].…”

Section: Introductionmentioning

confidence: 99%

On the Control of Low-Frequency Audible Noise from Electrical Substations: A Case Study

Piana

Roozen

2020

Applied Sciences

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With the world facing the urgency of energy transition, the development of efficient and quiet electrical infrastructures is of topical importance in the construction of the environment of the future. The problem of noise from power distribution systems is often underestimated, although several works in the literature underline the effect of disturbance on the population, especially concerning the low frequency range. This paper overviews the issue of the low-frequency noise generated by electrical substations, from the experimental characterization of the source to the possible mitigation measures at the source, along the propagation path and at the receiver. Alongside the general presentation, a case study serves as a practical demonstration of the proposed methodological approach. It was found that in the investigated situation the main disturbance comes from the transformer at two low-frequency harmonics of twice the networking frequency. A traditional noise barrier is designed taking into account the strict size constraints imposed by technical compatibility with the electrical infrastructure, which limits its efficacy at low frequency. Noise masking with broadband signals can be a complementary solution to further reduce noise disturbance and contain it within prescribed limits. The evaluation of subjective response of the receivers to different mitigation solutions is made possible by the availability of the impulse response.

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“…Urban power supply network is one of the most critical infrastructure networks that provides energy for other networks. Therefore, the sustainable and resilient development of power supply network in the face of various natural and man-made events has been one of the concerns in engineering [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

“Dose-Response” Vulnerability Assessment of Urban Power Supply Network: Foundation for Its Sustainability and Resilience

Tang

Zhao

Chen

et al. 2018

Mathematical Problems in Engineering

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Urban power supply network plays a vital role in maintaining the city operation. The vulnerability of power supply network in the face of events has been one of significant concerns. This study presents a new methodology and framework for “dose-response” vulnerability assessment of urban power supply network. This framework can explore the vulnerability of power supply network under two types of events: random type and intentional type. It also integrates a new metric that calculates the vulnerability of power supply network in both structural dimension and functional dimension. Taking the power supply network of a city in east China as an example, network vulnerability under different types of events was assessed, and the “dose-response” interrelationships between network performance and event scale under different types of events were thoroughly discussed. The results demonstrated that power supply network was more vulnerable to intentional events in both dimensions. For intentional events, power supply network was more vulnerable to degree-based attack than to betweenness-based attack. After that, the redundancy coefficient α of power supply network was optimized. The conclusion and some suggestions for future research were given in the end.

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Maintenance of a High-Voltage Overhead Transmission Line: Sustainability and Noise Impact Assessment

Cited by 6 publications

References 26 publications

D-distance Risk Factor for Transmission Line Maintenance Management and Cost Analysis

D-distance Risk Factor for Transmission Line Maintenance Management and Cost Analysis

On the Control of Low-Frequency Audible Noise from Electrical Substations: A Case Study

“Dose-Response” Vulnerability Assessment of Urban Power Supply Network: Foundation for Its Sustainability and Resilience

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