Aspects to take into account in the application of mechanical calculation to high-temperature low-sag conductors

Albizu, I.; Mazón, A.J.; Valverde, V.; Buigues, G.

doi:10.1049/iet-gtd.2009.0543

Cited by 23 publications

(28 citation statements)

References 7 publications

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“…The knee-point temperature where the aluminum gets slack should be modeled too. The calculation method used to model the conductor behavior is adapted from sag-tension method developed by some of the authors taking into account the requirements of the HTLS conductors [9][10][11]. This sag-tension model is simplified for the evaluation of the low sag behavior.…”

Section: A Theoretical Modelmentioning

confidence: 99%

Monitoring the tension and the temperature in an overhead line

Bedialauneta

Albizu

Fernández

et al. 2012

2012 16th IEEE Mediterranean Electrotechnical Conference

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Section: A Theoretical Modelmentioning

confidence: 99%

Monitoring the tension and the temperature in an overhead line

Bedialauneta

Albizu

Fernández

et al. 2012

2012 16th IEEE Mediterranean Electrotechnical Conference

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“…The knee-point temperature where the aluminum gets slack has to be modeled too. The calculation method used to model the conductor behavior is based in a sagtension method developed by some of the authors taking into account the requirements of the HTLS conductors [16][17][18]. Figure 4 shows the theoretical tension-temperature curve of the conductor monitored in the presented example (Fig.…”

Section: B Conductor Evaluationmentioning

confidence: 99%

System for ampacity monitoring and low sag overhead conductor evaluation

Fernández

Albizu

Bedialauneta

et al. 2012

2012 16th IEEE Mediterranean Electrotechnical Conference

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Abstract-Among the different alternatives to achieve the uprating and better use of existing overhead power lines are the use of high temperature low sag conductors and the use of real time monitoring systems for knowing the ampacity of the lines. So far, the uprating of a power line through both alternatives have been considered separately. However, it is possible to combine both solutions and obtain greater benefit in terms of achievable uprating, and a better control of the reliability of the conductor. This paper presents a system for monitoring the ampacity and for the evaluation of the low sag behavior of the overhead power lines. This system allows knowing the power flow of the lines in order to optimize their use and evaluating the conductor monitored in order to validate their behavior in operating condition.

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“…This system, known as TAM System, monitors the mechanical tension, the ambient temperature, the solar radiation and the current intensity. The tension-temperature calibration curve is obtained from mechanical 6 calculation [14][15] and a tension-temperature reference value. The tension-temperature reference value is updated in order to take into account the conductor creep.…”

Section: Conductor Tension Monitoring Systemsmentioning

confidence: 99%

“…The conductor temperature can be measured directly [7][8][9][10] or it can be obtained indirectly from other magnitudes such as the conductor tension [11][12][13][14][15] or the sag [16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%