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Air- or SF6- insulated heavy-current busways

Nawrowski R.

Journal of Technical Physics

2000

Vol. 41, no 4

395-409

In the paper the method of calculation of the eddy current losses, the temperature, the electrodynamics forces, material and energetic optimization of the shape of busways system with air and SF6 insulation are presented. The method discussed takes into consideration coupling between the electromagnetic field and the thermal field. The method is based on the numerical solution of equations joining the temperature and the eddy-current losses. The method of successive approximations and numerical optimizations are used to solve the equations. In this paper it is assumed that the analyzed system is linear and infinitely long in the direction of the conductors.