Method, system and device for calculating sequence parameters of superconducting cable power transmission line and medium
A technology of superconducting cables and transmission lines, applied in the direction of measuring resistance/reactance/impedance, measuring electrical variables, impedance measurement, etc., can solve problems such as changing the zero-sequence current of the power grid system
Pending Publication Date: 2022-07-05
CHINA ELECTRIC POWER RES INST +2
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Abstract
The invention discloses a superconducting cable power transmission line sequence parameter calculation method, system and device and a medium, and the method comprises the steps: obtaining the structure parameters and electrical physical parameters of a superconducting cable, and the electrical physical parameters comprise magnetic conductivity, conductivity and resistance; calculating an induced electric field and an induced current density vector of the shielding layer based on the two-dimensional equivalent magnetic field model of the superconducting cable and the structural parameters, the magnetic conductivity and the conductivity of the superconducting cable; calculating transmission current of the conductive layer and the shielding layer based on the equivalent circuit model of the superconducting cable and the resistance of the superconducting cable; and calculating the sequence parameters of the superconducting cable transmission line by coupling the induction electric field and the induction current density vector of the shielding layer and the transmission current of the conducting layer and the shielding layer. The analysis method for calculating the parameters of the cold insulation superconducting power transmission line has important theoretical value and practical significance.
Application Domain
Permeability measurementsImpedence measurements
Technology Topic
Electrically conductiveCable transmission +10
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