Module: Tuscan::Iec60584::TypeS
Constant Summary collapse
- T90_RANGE =
-50.00..1768.10
- EMF_RANGE =
-0.236..18.693
Instance Method Summary collapse
Instance Method Details
#emfr_unbound(t90) ⇒ Object
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# File 'lib/tuscan/iec60584/type_s.rb', line 9 def emfr_unbound t90 if t90 < 1064.18 Polynomial.new( 0.000000000000e+00, 0.540313308631e-02, 0.125934289740e-04, -0.232477968689e-07, 0.322028823036e-10, -0.331465196389e-13, 0.255744251786e-16, -0.125068871393e-19, 0.271443176145e-23 ).solve_for t90 elsif t90 < 1664.50 Polynomial.new( 0.132900444085e+01, 0.334509311344e-02, 0.654805192818e-05, -0.164856259209e-08, 0.129989605174e-13 ).solve_for t90 else Polynomial.new( 0.146628232636e+03, -0.258430516752e+00, 0.163693574641e-03, -0.330439046987e-07, -0.943223690612e-14 ).solve_for t90 end end |
#t90r_guess(emf) ⇒ Object
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# File 'lib/tuscan/iec60584/type_s.rb', line 29 def t90r_guess emf if emf < 1.874 Polynomial.new( 0.00000000e+00, 1.84949460e+02, -8.00504062e+01, 1.02237430e+02, -1.52248592e+02, 1.88821343e+02, -1.59085941e+02, 8.23027880e+01, -2.34181944e+01, 2.79786260e+00 ).solve_for emf elsif emf < 11.950 Polynomial.new( 1.291507177e+01, 1.466298863e+02, -1.534713402e+01, 3.145945973e+00, -4.163257839e-01, 3.187963771e-02, -1.291637500e-03, 2.183475087e-05, -1.447379511e-07, 8.211272125e-09 ).solve_for emf elsif emf < 17.536 Polynomial.new( -8.087801117e+01, 1.621573104e+02, -8.536869453e+00, 4.719686976e-01, -1.441693666e-02, 2.081618890e-04 ).solve_for emf else Polynomial.new( 5.333875126e+04, -1.235892298e+04, 1.092657613e+03, -4.265693686e+01, 6.247205420e-01 ).solve_for emf end end |