New approach to calculation of electric field in three-core power cables

Based on the principle of superposition, a novel approach is presented to calculate the electric field in three-core cables so that the electric field problem under any conductor voltage conditions (V/sub Z/, V/sub B/, V/sub C/) can be reduced to a field computation for a basic conductor voltage con...

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Bibliographic Details
Published in:IEEE transactions on power delivery 1990-04, Vol.5 (2), p.866-872
Main Authors: Li, Y.M., Qui, Y., Li, L.L., Jiang, G.S., Kuffel, E.
Format: Article
Language:English
Subjects:
240100 > Power Systems-- (1990-)
240301 > Power Transmission Lines & Cables-- Power Cables-- (1990-)
990200 > Mathematics & Computers
Applied sciences
Cable insulation
CABLES
CALCULATION METHODS
COMPRESSED GASES
Computational modeling
COMPUTER CALCULATIONS
COMPUTERIZED SIMULATION
CONDUCTOR DEVICES
Conductors
Dielectrics and electrical insulation
ELECTRIC CABLES
ELECTRIC FIELDS
Electrical engineering. Electrical power engineering
ELECTRICAL EQUIPMENT
Electrical power engineering
ENVIRONMENTAL IMPACTS
Exact sciences and technology
FIELD TESTS
FLUIDS
Gas insulation
GAS-INSULATED CABLES
GASES
GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
Power cables
Power networks and lines
POWER TRANSMISSION AND DISTRIBUTION
Quantum computing
SIMULATION
Stress
STRESSES
TESTING 240500 > Power Transmission & Distribution-- Environmental Aspects-- (1990-)
Underground and submarine networks
Virtual colonoscopy
Voltage
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Description
Summary:Based on the principle of superposition, a novel approach is presented to calculate the electric field in three-core cables so that the electric field problem under any conductor voltage conditions (V/sub Z/, V/sub B/, V/sub C/) can be reduced to a field computation for a basic conductor voltage condition, i.e. V/sub Z/=1, V/sub B/=0, V/sub C/=0 (1, 0, 0). The present approach not only simplifies the computation procedure, but can also express the potential and field stress at any point as a function of omega t when the field problem is investigated in a three-core belted cable under three-phase power frequency voltages. The maximum percentage potential error is shown to be not more than 0.05%, and the field deviation angle is generally not more than 0.1 degrees , even when interconductor spacing is very small.< >
ISSN:0885-8977
1937-4208
DOI:10.1109/61.53095