Main >>Applications >> Sample problems >> Fuse current limiter
Electrical conductivity of the steel: γ = 10 MS/m,
Electrical conductivity of the copper: γ = 56 MS/m,
Rated current I = 100 A. Thermal conductivity of the porcelain body = 2 W/K-m,
Ambient temperature T = +20°C.
Calculate the temperature of the fuse
Fist the DC conduction electric problem is simulated to computer current density and losses in the elements. Then heat ftasfer problem is simulated
Current density distribution in the fuse.
Losses distribution: terminals 15W, fuse 20W, plates 2W.
Temperature distribution in the fuse current limiter.