module Tuscan::Iec60584::TypeN
Constants
- EMF_RANGE
- T90_RANGE
Public Instance Methods
emfr_unbound(t90)
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# File lib/tuscan/iec60584/type_n.rb, line 9 def emfr_unbound t90 if t90 < 0.0 Polynomial.new( 0.000000000000e+00, 0.261591059620e-01, 0.109574842280e-04, -0.938411115540e-07, -0.464120397590e-10, -0.263033577160e-11, -0.226534380030e-13, -0.760893007910e-16, -0.934196678350e-19 ).solve_for t90 else Polynomial.new( 0.000000000000e+00, 0.259293946010e-01, 0.157101418800e-04, 0.438256272370e-07, -0.252611697940e-09, 0.643118193390e-12, -0.100634715190e-14, 0.997453389920e-18, -0.608632456070e-21, 0.208492293390e-24, -0.306821961510e-28 ).solve_for t90 end end
t90r_guess(emf)
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# File lib/tuscan/iec60584/type_n.rb, line 25 def t90r_guess emf if emf < 0.0 Polynomial.new( 0.0000000e+00, 3.8436847e+01, 1.1010485e+00, 5.2229312e+00, 7.2060525e+00, 5.8488586e+00, 2.7754916e+00, 7.7075166e-01, 1.1582665e-01, 7.3138868e-03 ).solve_for emf elsif emf < 20.613 Polynomial.new( 0.00000e+00, 3.86896e+01, -1.08267e+00, 4.70205e-02, -2.12169e-06, -1.17272e-04, 5.39280e-06, -7.98156e-08 ).solve_for emf else Polynomial.new( 1.972485e+01, 3.300943e+01, -3.915159e-01, 9.855391e-03, -1.274371e-04, 7.767022e-07 ).solve_for emf end end