IEEE Guide for Field Testing of Laminated Dielectric, Shielded AC Power Cable Systems Rated 5 kV to 500 kV Using High Voltage Direct Current (HVDC)

2018 ◽  
Keyword(s):  
High Voltage ◽  
Direct Current ◽  
Field Testing ◽  
Power Cable ◽  
High Voltage Direct Current ◽  
Ac Power ◽  
Cable Systems

scholarly journals Towards Electrothermal Optimization of a HVDC Cable Joint Based on Field Simulation

Energies ◽  
2021 ◽  
Vol 14 (10) ◽  
pp. 2848
Author(s):  
Yvonne Späck-Leigsnering ◽  
M. Greta Ruppert ◽  
Erion Gjonaj ◽  
Herbert De Gersem ◽  
Myriam Koch
Keyword(s):  
High Voltage ◽  
Direct Current ◽  
Simulation Studies ◽  
Nonlinear Field ◽  
Temperature Dependent ◽  
Solution Approach ◽  
Material Parameters ◽  
High Voltage Direct Current ◽  
Field Simulation ◽  
Cable Systems

Extruded high-voltage direct current cable systems transmit electric power over long distances. Numerical field simulation can provide access to the internal electrothermal behavior of cable joints, which interconnect cable sections. However, coupled nonlinear electrothermal field simulations are still a challenge. In this work, a robust numerical solution approach is implemented and validated. This approach allows for efficient parameter studies of resistively graded high-voltage direct current cable joint designs. It is assessed how the dielectric stress distribution between the conductor connection and the grounded cable sheath is influenced by nonlinear field and temperature dependent electric conductivity of the field grading material. Optimal field grading material parameters, which fulfill the field grading and power loss requirements, are suggested based on the simulation studies.

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