Engineering Electrodynamics

List of Symbols

A: magnetic vector potential (definition: B = ∇ × A or B = curl A or B = rot A), instantaneous value; A: modulus (Wb/m)

A: surface area, dA: vector of area element perpendicular to the surface (m²)

A₁: specific electric loading = linear current density, instantaneous value; A_m1: maximum value (A/m)

a₁, a₂: width of HV and LV transformer winding, respectively (m)

B: magnetic flux density vector, instantaneous value; B: modulus of vector; B¯m=Bm ejωt, where B_m = |B_m|e ^jψ: complex value; B*: conjugate value

B_m: maximum value in time,

B_avr,m: average value in space of maximum flux density in time;

B_t: tangential component; B_n: normal component; B_s: surface value;

B_sat: saturation flux density (T = Wb/m²)

b, a: linear dimensions (m) ...