Module: Tuscan::Iec60584::TypeT

Extended by:
TypeT
Included in:
TypeT
Defined in:
lib/tuscan/iec60584/type_t.rb

Constant Summary collapse

T90_RANGE = 
-270.0..400.0
EMF_RANGE = 
-5.603..20.872

Instance Method Summary collapse

Instance Method Details

#emfr_unbound(t90) ⇒ Object 



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# File 'lib/tuscan/iec60584/type_t.rb', line 9

def emfr_unbound t90
  if t90 < 0.0
    Polynomial.new(
       0.000000000000e+00,  0.387481063640e-01,  0.441944343470e-04,  0.118443231050e-06,
       0.200329735540e-07,  0.901380195590e-09,  0.226511565930e-10,  0.360711542050e-12,
       0.384939398830e-14,  0.282135219250e-16,  0.142515947790e-18,  0.487686622860e-21,
       0.107955392700e-23,  0.139450270620e-26,  0.797951539270e-30
    ).solve_for t90
  else
    Polynomial.new(
       0.000000000000e+00,  0.387481063640e-01,  0.332922278800e-04,  0.206182434040e-06,
      -0.218822568460e-08,  0.109968809280e-10, -0.308157587720e-13,  0.454791352900e-16,
      -0.275129016730e-19
    ).solve_for t90
  end
end

#t90r_guess(emf) ⇒ Object 



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# File 'lib/tuscan/iec60584/type_t.rb', line 26

def t90r_guess emf
  if emf < 0.0
    Polynomial.new(
       0.0000000e+00,  2.5949192e+01, -2.1316967e-01,  7.9018692e-01,  4.2527777e-01, 
       1.3304473e-01,  2.0241446e-02,  1.2668171e-03
    ).solve_for emf
  else
    Polynomial.new(
       0.000000e+00,   2.592800e+01,  -7.602961e-01,   4.637791e-02,  -2.165394e-03,
       6.048144e-05,  -7.293422e-07
    ).solve_for emf
  end
end