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| Presentation | 2016-09-16 11:55 TDR with Utility-Pole-Distance Resolution Considering Mode Conversion for Detection of Fault Type in Power Distribution Lines Tohlu Matsushima, Takashi Hisakado, Osami Wada (Kyoto Univ.), Shinpei Oe, Tsuyoshi Sasaoka, Yasuharu Sakai (Kansai Electric Power Co. Inc.)  EMCJ2016-52 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It is necessary to detect a fault point in a distribution system for accident restoration in power grid. Applying a pulse wave to distribution lines and measuring a reflection, which is called as TDR (Time Domain Reflectometry) measurement with utility-pole-distance resolution, wave can detect the fault point. In this report, a distribution line is treated as a three-conductor transmission line with earth ground. Propagation modes in the three-conductor transmission line are derived by inductance and capacitance matrices calculated by electrostatic or magnetostatic simulator. In addition, an elementary matrix considering modes of an equivalent circuit model of a fault point is expressed by impedances and admittances. The elementary matrix is converted to a mixed-mode scattering matrix consisting of the mode characteristic impedances and the impedances/ admittances of the equivalent circuit model of the fault point. Reflection coefficients of disconnection case and short case are calculated as case studies. The calculated reflection coefficients are in good agreement with calculation results using a circuit simulator. As a results, considering propagation modes in TDR method can detect types of accidents in the distribution system. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | fault detection / TDR method / multiconductor transmission line / mode conversion / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 223, EMCJ2016-52, pp. 13-18, Sept. 2016. | |
| Paper # | EMCJ2016-52 | |
| Date of Issue | 2016-09-09 (EMCJ) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | EMCJ2016-52 |
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| Conference Information | |
| Committee | EMCJ |
| Conference Date | 2016-09-16 - 2016-09-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | University of Hyogo |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Absorber, Shield, EMC |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2016-09-EMCJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | TDR with Utility-Pole-Distance Resolution Considering Mode Conversion for Detection of Fault Type in Power Distribution Lines |
| Sub Title (in English) | |
| Keyword(1) | fault detection |
| Keyword(2) | TDR method |
| Keyword(3) | multiconductor transmission line |
| Keyword(4) | mode conversion |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tohlu Matsushima |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Takashi Hisakado |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Osami Wada |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 4th Author's Name | Shinpei Oe |
| 4th Author's Affiliation | Kansai Electric Power Co. Inc. (Kansai Electric Power Co. Inc.) |
| 5th Author's Name | Tsuyoshi Sasaoka |
| 5th Author's Affiliation | Kansai Electric Power Co. Inc. (Kansai Electric Power Co. Inc.) |
| 6th Author's Name | Yasuharu Sakai |
| 6th Author's Affiliation | Kansai Electric Power Co. Inc. (Kansai Electric Power Co. Inc.) |
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| Speaker | Author-1 |
| Date Time | 2016-09-16 11:55:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2016-52 |
| Volume (vol) | vol.116 |
| Number (no) | no.223 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2016-09-09 (EMCJ) |
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