Long distance three-phase power cable has the characteristics of the metal sheath cross-bonded and voltage drop and ground potential difference at both ends, which brings confusion to on-line insulation monitoring of long distance power cable. One parameter monitoring cable insulation will effect by voltage drop, load current change, frequency fluctuation and other factor. A method based on dielectric loss factor and resistive current to monitor cable insulation simultaneously has been put forward. The method named as a multi-parameter on-line cable insulation monitoring method. The method installs current transformers and voltage transformers on both side of three-phase cable and uses a high precision timing function of the GPS receiving module at both ends of the testing equipment respectively which can receives the pulse per second from the GPS satellite as time reference can realize the signal synchronous sampling. The principle and formula of the method are given. The metal sheath cross-bonded equivalent circuit of long distance three-phase cable is established by using MATLAB software and does dynamic simulation on the method. The results show that the method is not effect on load current, voltage drop and frequency fluctuation. The two parameters increase obviously when the cable operating temperature exceeds 80°C. The insulation condition of three-phase cable can be judged by the change of dielectric loss factor and resistive current under different insulation fault. The method was proved to be correctness and feasibility in the paper.
| Published in | Journal of Electrical and Electronic Engineering (Volume 7, Issue 5) |
| DOI | 10.11648/j.jeee.20190705.15 |
| Page(s) | 126-133 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2019. Published by Science Publishing Group |
Long Distance Power Cable, Cross-bonded, Resistive Current, Dielectric Loss Factor
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APA Style
Bo Zhu, Xinlao Wei, Hongyan Nie. (2019). Simulation Research on On-line Multi-parameter Monitoring for Long Distance Three-phase Power Cable. Journal of Electrical and Electronic Engineering, 7(5), 126-133. https://doi.org/10.11648/j.jeee.20190705.15
ACS Style
Bo Zhu; Xinlao Wei; Hongyan Nie. Simulation Research on On-line Multi-parameter Monitoring for Long Distance Three-phase Power Cable. J. Electr. Electron. Eng. 2019, 7(5), 126-133. doi: 10.11648/j.jeee.20190705.15
AMA Style
Bo Zhu, Xinlao Wei, Hongyan Nie. Simulation Research on On-line Multi-parameter Monitoring for Long Distance Three-phase Power Cable. J Electr Electron Eng. 2019;7(5):126-133. doi: 10.11648/j.jeee.20190705.15
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Download@article{10.11648/j.jeee.20190705.15,
author = {Bo Zhu and Xinlao Wei and Hongyan Nie},
title = {Simulation Research on On-line Multi-parameter Monitoring for Long Distance Three-phase Power Cable},
journal = {Journal of Electrical and Electronic Engineering},
volume = {7},
number = {5},
pages = {126-133},
doi = {10.11648/j.jeee.20190705.15},
url = {https://doi.org/10.11648/j.jeee.20190705.15},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jeee.20190705.15},
abstract = {Long distance three-phase power cable has the characteristics of the metal sheath cross-bonded and voltage drop and ground potential difference at both ends, which brings confusion to on-line insulation monitoring of long distance power cable. One parameter monitoring cable insulation will effect by voltage drop, load current change, frequency fluctuation and other factor. A method based on dielectric loss factor and resistive current to monitor cable insulation simultaneously has been put forward. The method named as a multi-parameter on-line cable insulation monitoring method. The method installs current transformers and voltage transformers on both side of three-phase cable and uses a high precision timing function of the GPS receiving module at both ends of the testing equipment respectively which can receives the pulse per second from the GPS satellite as time reference can realize the signal synchronous sampling. The principle and formula of the method are given. The metal sheath cross-bonded equivalent circuit of long distance three-phase cable is established by using MATLAB software and does dynamic simulation on the method. The results show that the method is not effect on load current, voltage drop and frequency fluctuation. The two parameters increase obviously when the cable operating temperature exceeds 80°C. The insulation condition of three-phase cable can be judged by the change of dielectric loss factor and resistive current under different insulation fault. The method was proved to be correctness and feasibility in the paper.},
year = {2019}
}
TY - JOUR T1 - Simulation Research on On-line Multi-parameter Monitoring for Long Distance Three-phase Power Cable AU - Bo Zhu AU - Xinlao Wei AU - Hongyan Nie Y1 - 2019/11/18 PY - 2019 N1 - https://doi.org/10.11648/j.jeee.20190705.15 DO - 10.11648/j.jeee.20190705.15 T2 - Journal of Electrical and Electronic Engineering JF - Journal of Electrical and Electronic Engineering JO - Journal of Electrical and Electronic Engineering SP - 126 EP - 133 PB - Science Publishing Group SN - 2329-1605 UR - https://doi.org/10.11648/j.jeee.20190705.15 AB - Long distance three-phase power cable has the characteristics of the metal sheath cross-bonded and voltage drop and ground potential difference at both ends, which brings confusion to on-line insulation monitoring of long distance power cable. One parameter monitoring cable insulation will effect by voltage drop, load current change, frequency fluctuation and other factor. A method based on dielectric loss factor and resistive current to monitor cable insulation simultaneously has been put forward. The method named as a multi-parameter on-line cable insulation monitoring method. The method installs current transformers and voltage transformers on both side of three-phase cable and uses a high precision timing function of the GPS receiving module at both ends of the testing equipment respectively which can receives the pulse per second from the GPS satellite as time reference can realize the signal synchronous sampling. The principle and formula of the method are given. The metal sheath cross-bonded equivalent circuit of long distance three-phase cable is established by using MATLAB software and does dynamic simulation on the method. The results show that the method is not effect on load current, voltage drop and frequency fluctuation. The two parameters increase obviously when the cable operating temperature exceeds 80°C. The insulation condition of three-phase cable can be judged by the change of dielectric loss factor and resistive current under different insulation fault. The method was proved to be correctness and feasibility in the paper. VL - 7 IS - 5 ER -
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