Calculation of Emergency Ratings of Less Sample Clauses

Calculation of Emergency Ratings of Less. Than 2 Hours Duration Winter and summer emergency ratings of less than 2 hours duration can be determined as follows: e2 r e2 n n 0 I  II /  max  max /(I  e  t / )   max   1/ n Where, = Emergency rating of less than 2 hours (amperes) t = Rating duration (minutes)  0 = Winter minimum temperature (C)  max n = Summer maximum Temperature (C)  = Thermal time constant of a line trap10 (minutes)