Page 433 - Power Electronics Handbook
P. 433
422 List of symbols
A skin depth of conductor
E emissivity
rl efficiency, or intrinsic stand-off ratio of a UJT
0 angle
A wavelength
P permeability, or waveform overlap angle
Y conductivity
t filter attenuation factor
=s space charge generation lifetime
4) power factor angle, or flux
0 angular frequency (hj)
