Power cable is one of the important components of power system infrastructure and plays an important role infrastructure and plays an important role in power supply process. If power cable runs under high voltage and ...Power cable is one of the important components of power system infrastructure and plays an important role infrastructure and plays an important role in power supply process. If power cable runs under high voltage and large current for a long time, it may exceed the temperature limit due to overload, insulation aging and joint failure. If the abnormality cannot be found in time, it will directly affect the service life of the cable. The insulation performance of power cable is the main factor that determines the normal operation of power cable. And the temperature of cable joint and conductor is the key index that affects the insulation performance of power cable. Monitoring the temperature of power cable is one of the key technologies in power system research and development.展开更多
In this paper, the design optimization of the structural parameters of multilayer conductors in high temperature superconducting （HTS） cable is reviewed. Various optimization methods, such as the particle swarm opti...In this paper, the design optimization of the structural parameters of multilayer conductors in high temperature superconducting （HTS） cable is reviewed. Various optimization methods, such as the particle swarm optimization （PSO）, the genetic algorithm （GA）, and a robust optimization method based on design for six sigma （DFSS）, have been applied to realize uniform current distribution among the multilayer HTS conductors. The continuous and discrete variables, such as the winding angle, radius, and winding direction of each layer, are chosen as the design parameters. Under the constraints of the mechanical properties and critical current, PSO is proven to be a more powerful tool than GA for structural parameter optimization, and DFSS can not only achieve a uniform current distribution, but also improve significantly the reliability and robustness of the HTS cable quality.展开更多
文摘Power cable is one of the important components of power system infrastructure and plays an important role infrastructure and plays an important role in power supply process. If power cable runs under high voltage and large current for a long time, it may exceed the temperature limit due to overload, insulation aging and joint failure. If the abnormality cannot be found in time, it will directly affect the service life of the cable. The insulation performance of power cable is the main factor that determines the normal operation of power cable. And the temperature of cable joint and conductor is the key index that affects the insulation performance of power cable. Monitoring the temperature of power cable is one of the key technologies in power system research and development.
文摘In this paper, the design optimization of the structural parameters of multilayer conductors in high temperature superconducting （HTS） cable is reviewed. Various optimization methods, such as the particle swarm optimization （PSO）, the genetic algorithm （GA）, and a robust optimization method based on design for six sigma （DFSS）, have been applied to realize uniform current distribution among the multilayer HTS conductors. The continuous and discrete variables, such as the winding angle, radius, and winding direction of each layer, are chosen as the design parameters. Under the constraints of the mechanical properties and critical current, PSO is proven to be a more powerful tool than GA for structural parameter optimization, and DFSS can not only achieve a uniform current distribution, but also improve significantly the reliability and robustness of the HTS cable quality.
