Evaluation of a buried power cable's thermal behavior using phase diagrams and calculation of the phase difference between temperature and power
As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Exizidis, Lazaros [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014transfer abstract |
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| Schlagwörter: |
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| Umfang: |
6 |
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| Übergeordnetes Werk: |
Enthalten in: Wind resource mapping and energy estimation in complex terrain: A framework based on field observations and computational fluid dynamics - Radünz, William Corrêa ELSEVIER, 2020, design, processes, equipment, economics, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:70 ; year:2014 ; number:1 ; day:5 ; month:09 ; pages:770-775 ; extent:6 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.applthermaleng.2014.05.101 |
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ELV017911583 |
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| 520 | |a As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. | ||
| 520 | |a As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. | ||
| 650 | 7 | |a Dynamic thermal behavior |2 Elsevier | |
| 650 | 7 | |a Underground cables |2 Elsevier | |
| 650 | 7 | |a Simulation |2 Elsevier | |
| 650 | 7 | |a Harmonic analysis |2 Elsevier | |
| 700 | 1 | |a Papagiannopoulos, Ioannis |4 oth | |
| 700 | 1 | |a Chatziathanasiou, Vasilis |4 oth | |
| 700 | 1 | |a De Mey, Gilbert |4 oth | |
| 700 | 1 | |a Więcek, Bogusław |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Radünz, William Corrêa ELSEVIER |t Wind resource mapping and energy estimation in complex terrain: A framework based on field observations and computational fluid dynamics |d 2020 |d design, processes, equipment, economics |g Amsterdam [u.a.] |w (DE-627)ELV003905551 |
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10.1016/j.applthermaleng.2014.05.101 doi GBVA2014019000008.pica (DE-627)ELV017911583 (ELSEVIER)S1359-4311(14)00478-5 DE-627 ger DE-627 rakwb eng 690 690 DE-600 530 620 VZ 52.56 bkl Exizidis, Lazaros verfasserin aut Evaluation of a buried power cable's thermal behavior using phase diagrams and calculation of the phase difference between temperature and power 2014transfer abstract 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. Dynamic thermal behavior Elsevier Underground cables Elsevier Simulation Elsevier Harmonic analysis Elsevier Papagiannopoulos, Ioannis oth Chatziathanasiou, Vasilis oth De Mey, Gilbert oth Więcek, Bogusław oth Enthalten in Elsevier Science Radünz, William Corrêa ELSEVIER Wind resource mapping and energy estimation in complex terrain: A framework based on field observations and computational fluid dynamics 2020 design, processes, equipment, economics Amsterdam [u.a.] (DE-627)ELV003905551 volume:70 year:2014 number:1 day:5 month:09 pages:770-775 extent:6 https://doi.org/10.1016/j.applthermaleng.2014.05.101 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 52.56 Regenerative Energieformen alternative Energieformen VZ AR 70 2014 1 5 0905 770-775 6 045F 690 |
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10.1016/j.applthermaleng.2014.05.101 doi GBVA2014019000008.pica (DE-627)ELV017911583 (ELSEVIER)S1359-4311(14)00478-5 DE-627 ger DE-627 rakwb eng 690 690 DE-600 530 620 VZ 52.56 bkl Exizidis, Lazaros verfasserin aut Evaluation of a buried power cable's thermal behavior using phase diagrams and calculation of the phase difference between temperature and power 2014transfer abstract 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. Dynamic thermal behavior Elsevier Underground cables Elsevier Simulation Elsevier Harmonic analysis Elsevier Papagiannopoulos, Ioannis oth Chatziathanasiou, Vasilis oth De Mey, Gilbert oth Więcek, Bogusław oth Enthalten in Elsevier Science Radünz, William Corrêa ELSEVIER Wind resource mapping and energy estimation in complex terrain: A framework based on field observations and computational fluid dynamics 2020 design, processes, equipment, economics Amsterdam [u.a.] (DE-627)ELV003905551 volume:70 year:2014 number:1 day:5 month:09 pages:770-775 extent:6 https://doi.org/10.1016/j.applthermaleng.2014.05.101 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 52.56 Regenerative Energieformen alternative Energieformen VZ AR 70 2014 1 5 0905 770-775 6 045F 690 |
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10.1016/j.applthermaleng.2014.05.101 doi GBVA2014019000008.pica (DE-627)ELV017911583 (ELSEVIER)S1359-4311(14)00478-5 DE-627 ger DE-627 rakwb eng 690 690 DE-600 530 620 VZ 52.56 bkl Exizidis, Lazaros verfasserin aut Evaluation of a buried power cable's thermal behavior using phase diagrams and calculation of the phase difference between temperature and power 2014transfer abstract 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. Dynamic thermal behavior Elsevier Underground cables Elsevier Simulation Elsevier Harmonic analysis Elsevier Papagiannopoulos, Ioannis oth Chatziathanasiou, Vasilis oth De Mey, Gilbert oth Więcek, Bogusław oth Enthalten in Elsevier Science Radünz, William Corrêa ELSEVIER Wind resource mapping and energy estimation in complex terrain: A framework based on field observations and computational fluid dynamics 2020 design, processes, equipment, economics Amsterdam [u.a.] (DE-627)ELV003905551 volume:70 year:2014 number:1 day:5 month:09 pages:770-775 extent:6 https://doi.org/10.1016/j.applthermaleng.2014.05.101 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 52.56 Regenerative Energieformen alternative Energieformen VZ AR 70 2014 1 5 0905 770-775 6 045F 690 |
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10.1016/j.applthermaleng.2014.05.101 doi GBVA2014019000008.pica (DE-627)ELV017911583 (ELSEVIER)S1359-4311(14)00478-5 DE-627 ger DE-627 rakwb eng 690 690 DE-600 530 620 VZ 52.56 bkl Exizidis, Lazaros verfasserin aut Evaluation of a buried power cable's thermal behavior using phase diagrams and calculation of the phase difference between temperature and power 2014transfer abstract 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. Dynamic thermal behavior Elsevier Underground cables Elsevier Simulation Elsevier Harmonic analysis Elsevier Papagiannopoulos, Ioannis oth Chatziathanasiou, Vasilis oth De Mey, Gilbert oth Więcek, Bogusław oth Enthalten in Elsevier Science Radünz, William Corrêa ELSEVIER Wind resource mapping and energy estimation in complex terrain: A framework based on field observations and computational fluid dynamics 2020 design, processes, equipment, economics Amsterdam [u.a.] (DE-627)ELV003905551 volume:70 year:2014 number:1 day:5 month:09 pages:770-775 extent:6 https://doi.org/10.1016/j.applthermaleng.2014.05.101 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 52.56 Regenerative Energieformen alternative Energieformen VZ AR 70 2014 1 5 0905 770-775 6 045F 690 |
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10.1016/j.applthermaleng.2014.05.101 doi GBVA2014019000008.pica (DE-627)ELV017911583 (ELSEVIER)S1359-4311(14)00478-5 DE-627 ger DE-627 rakwb eng 690 690 DE-600 530 620 VZ 52.56 bkl Exizidis, Lazaros verfasserin aut Evaluation of a buried power cable's thermal behavior using phase diagrams and calculation of the phase difference between temperature and power 2014transfer abstract 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. Dynamic thermal behavior Elsevier Underground cables Elsevier Simulation Elsevier Harmonic analysis Elsevier Papagiannopoulos, Ioannis oth Chatziathanasiou, Vasilis oth De Mey, Gilbert oth Więcek, Bogusław oth Enthalten in Elsevier Science Radünz, William Corrêa ELSEVIER Wind resource mapping and energy estimation in complex terrain: A framework based on field observations and computational fluid dynamics 2020 design, processes, equipment, economics Amsterdam [u.a.] (DE-627)ELV003905551 volume:70 year:2014 number:1 day:5 month:09 pages:770-775 extent:6 https://doi.org/10.1016/j.applthermaleng.2014.05.101 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 52.56 Regenerative Energieformen alternative Energieformen VZ AR 70 2014 1 5 0905 770-775 6 045F 690 |
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Enthalten in Wind resource mapping and energy estimation in complex terrain: A framework based on field observations and computational fluid dynamics Amsterdam [u.a.] volume:70 year:2014 number:1 day:5 month:09 pages:770-775 extent:6 |
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In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. 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evaluation of a buried power cable's thermal behavior using phase diagrams and calculation of the phase difference between temperature and power |
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Evaluation of a buried power cable's thermal behavior using phase diagrams and calculation of the phase difference between temperature and power |
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As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. |
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As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. |
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As most of the studies about thermal behavior of cables perform the steady state thermal analysis, a dynamic analysis of these problems can be proved very interesting. In the current study, a dynamic thermal analysis of an underground cable which operates under a continuously changing load and thus continuously changing Joule losses is carried out. With the Joule losses as the input signal it is proved that the thermal time constants in the range up to several hours are possible. It is also observed that the dynamic analysis, presented in this work, indicates an increase on the peak value of the cable's temperature that can reach up to 81%. This increase proves the importance of a dynamic analysis. Furthermore, the comparison between the steady state and dynamic analysis resulted in the conclusion that it is practically impossible to achieve steady state condition for power losses other than the mean value, thus steady state analysis cannot determine the instantaneous temperature of the cable. The analysis is based on the Temperature–Power (T–P) phase diagrams which are proved to be a more suitable representation method of the results comparing to the Temperature–Time plots. Lastly, the phase difference between the power and the temperature vectors is calculated. |
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