Coupling Between Separate Phases of Coaxial Double Circuit Transmission Lines
The paper studies the so-called coaxial overhead transmission lines. The concentric phases are considered. The mathematical analysis for voltage and current is presented. The telegraphic equations of the double circuit power lines with the mutual effect between circuits are introduced. The condition...
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| Format: | Article |
| Language: | English |
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Wiley
1988-01-01
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| Series: | Active and Passive Electronic Components |
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| Online Access: | http://dx.doi.org/10.1155/1988/24292 |
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| _version_ | 1832561993582641152 |
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| author | M. Hamed |
| author_facet | M. Hamed |
| author_sort | M. Hamed |
| collection | DOAJ |
| description | The paper studies the so-called coaxial overhead transmission lines. The concentric
phases are considered. The mathematical analysis for voltage and current is presented.
The telegraphic equations of the double circuit power lines with the mutual
effect between circuits are introduced. The condition for single circuit transmission
line is checked. The mutual effect between both circuits is studied on the basis of the
ratio between the two currents of both circuits. The appeared phase shift between the
two vectors of currents is inserted in the investigation. The magnetic field intensity at
an external point of a line is mathematically expressed. Its value is approximated for
the purpose of zero mutual inductance between phases of the same circuit. The
mutual inductance between the two nearest groups of phases due to the linkage flux
for the studied line is formulated. Its dependency on the distance from the phases as
well as on the ratio of currents of both circuits is analysed. Then, the effect of phase
shift on the mutual inductance is investigated. An idea for the control of the ratio
between currents of both circuits of a line is presented. |
| format | Article |
| id | doaj-art-9650034dbff04f71941f074c967ce740 |
| institution | Kabale University |
| issn | 0882-7516 1563-5031 |
| language | English |
| publishDate | 1988-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Active and Passive Electronic Components |
| spelling | doaj-art-9650034dbff04f71941f074c967ce7402025-02-03T01:23:40ZengWileyActive and Passive Electronic Components0882-75161563-50311988-01-011328511110.1155/1988/24292Coupling Between Separate Phases of Coaxial Double Circuit Transmission LinesM. Hamed0Faculty of Engineering, Suez Canal University, Port Said, EgyptThe paper studies the so-called coaxial overhead transmission lines. The concentric phases are considered. The mathematical analysis for voltage and current is presented. The telegraphic equations of the double circuit power lines with the mutual effect between circuits are introduced. The condition for single circuit transmission line is checked. The mutual effect between both circuits is studied on the basis of the ratio between the two currents of both circuits. The appeared phase shift between the two vectors of currents is inserted in the investigation. The magnetic field intensity at an external point of a line is mathematically expressed. Its value is approximated for the purpose of zero mutual inductance between phases of the same circuit. The mutual inductance between the two nearest groups of phases due to the linkage flux for the studied line is formulated. Its dependency on the distance from the phases as well as on the ratio of currents of both circuits is analysed. Then, the effect of phase shift on the mutual inductance is investigated. An idea for the control of the ratio between currents of both circuits of a line is presented.http://dx.doi.org/10.1155/1988/24292Couplingmutual inductancemagnetic fieldtransmissionlong linesspacingtranspositionpowerconfigurationtelegraphic equations. |
| spellingShingle | M. Hamed Coupling Between Separate Phases of Coaxial Double Circuit Transmission Lines Active and Passive Electronic Components Coupling mutual inductance magnetic field transmission long lines spacing transposition power configuration telegraphic equations. |
| title | Coupling Between Separate Phases of Coaxial Double Circuit Transmission Lines |
| title_full | Coupling Between Separate Phases of Coaxial Double Circuit Transmission Lines |
| title_fullStr | Coupling Between Separate Phases of Coaxial Double Circuit Transmission Lines |
| title_full_unstemmed | Coupling Between Separate Phases of Coaxial Double Circuit Transmission Lines |
| title_short | Coupling Between Separate Phases of Coaxial Double Circuit Transmission Lines |
| title_sort | coupling between separate phases of coaxial double circuit transmission lines |
| topic | Coupling mutual inductance magnetic field transmission long lines spacing transposition power configuration telegraphic equations. |
| url | http://dx.doi.org/10.1155/1988/24292 |
| work_keys_str_mv | AT mhamed couplingbetweenseparatephasesofcoaxialdoublecircuittransmissionlines |