Poměrné úbytky napětí

110 kV AlFe 240 (max 500 A)

dos110={R1->0.125, X1->0.35,l->45,II->400,cosfiA->0.8,cosfiB->0.9,Ufn->110*(10^3)/(Sqrt[3])};

0.5*(((R1*l*II*cosfiA+X1*l*II*(Sqrt[1-(cosfiA^2)])))/Ufn)*100/.dos110
0.5*(((R1*l*II*cosfiB+X1*l*II*(Sqrt[1-(cosfiB^2)])))/Ufn)*100/.dos110

P=3*Ufn*II*cosfiB/(10^6)/.dos110(*MW*)
dP=3*R1*l*(II^2)/(10^6)/.dos110(*MW*)
dP/P*100(*%*)

TRF 110/vn

dosTRF110vn={Sn->40*(10^6),uk->0.115,dP0->19*(10^3),dPk->110*(10^3),P2->30*(10^6),cosfi2A->0.8,cosfi2B->0.9};

nA=(P2/(cosfi2A*Sn))/.dosTRF110vn
nB=(P2/(cosfi2B*Sn))/.dosTRF110vn
rk=(dPk/Sn)/.dosTRF110vn//N
zk=uk/.dosTRF110vn
xk=(Sqrt[(zk^2)-(rk^2)])

nA*(rk*cosfi2A+xk*(Sqrt[1-(cosfi2A^2)]))*100/.dosTRF110vn
nB*(rk*cosfi2B+xk*(Sqrt[1-(cosfi2B^2)]))*100/.dosTRF110vn

P=P2/(10^6)/.dosTRF110vn(*MW*)
dP=dPk*(nB^2)/(10^6)/.dosTRF110vn(*MW*)
dP/P*100(*%*)

nA*((rk*cosfi2A+xk*(Sqrt[1-(cosfi2A^2)]))+I*(xk*cosfi2A-rk*(Sqrt[1-(cosfi2A^2)])))*100/.dosTRF110vn
100-%
Abs[%]
100-%

22 kV AlFe 110/22 (max 318 A)

dos22={R1->0.259, X1->0.368,l->10,II->200,cosfiA->0.8,cosfiB->0.9,Ufn->22*(10^3)/(Sqrt[3])};

0.5*(((R1*l*II*cosfiA+X1*l*II*(Sqrt[1-(cosfiA^2)])))/Ufn)*100/.dos22
0.5*(((R1*l*II*cosfiB+X1*l*II*(Sqrt[1-(cosfiB^2)])))/Ufn)*100/.dos22

P=3*Ufn*II*cosfiB/(10^6)/.dos22(*MW*)
dP=3*R1*l*(II^2)/(10^6)/.dos22(*MW*)
dP/P*100(*%*)

TRF 22/0.4

dosDTS={Sn->400*(10^3),uk->0.0577,dP0->0.494*(10^3),dPk->5.06*(10^3),P2->160*(10^3),cosfi2A->0.8,cosfi2B->0.9};

nA=(P2/(cosfi2A*Sn))/.dosDTS
nB=(P2/(cosfi2B*Sn))/.dosDTS
rk=(dPk/Sn)/.dosDTS//N
zk=uk/.dosDTS
xk=(Sqrt[(zk^2)-(rk^2)])

nA*(rk*cosfi2A+xk*(Sqrt[1-(cosfi2A^2)]))*100/.dosDTS
nB*(rk*cosfi2B+xk*(Sqrt[1-(cosfi2B^2)]))*100/.dosDTS

P=P2/(10^3)/.dosDTS(*kW*)
dP=dPk*(nB^2)/(10^3)/.dosDTS(*kW*)
dP/P*100(*%*)

0.4 kV AlFe 3x50+35 (max 200 A)

dos04ven={R1->0.615, X1->0.396,l->1,II->70,cosfiA->0.8,cosfiB->0.9,Ufn->0.4*(10^3)/(Sqrt[3])};

0.5*(((R1*l*II*cosfiA+X1*l*II*(Sqrt[1-(cosfiA^2)])))/Ufn)*100/.dos04ven
0.5*(((R1*l*II*cosfiB+X1*l*II*(Sqrt[1-(cosfiB^2)])))/Ufn)*100/.dos04ven

P=3*Ufn*II*cosfiB/(10^3)/.dos04ven(*kW*)
dP=3*R1*l*(II^2)/(10^3)/.dos04ven(*kW*)
dP/P*100(*%*)

0.4 kV 120AYKY70 (max 250 A)

dos04kab={R1->0.258, X1->0.069,l->1,II->70,cosfiA->0.8,cosfiB->0.9,Ufn->0.4*(10^3)/(Sqrt[3])};

0.5*(((R1*l*II*cosfiA+X1*l*II*(Sqrt[1-(cosfiA^2)])))/Ufn)*100/.dos04kab
0.5*(((R1*l*II*cosfiB+X1*l*II*(Sqrt[1-(cosfiB^2)])))/Ufn)*100/.dos04kab

P=3*Ufn*II*cosfiB/(10^3)/.dos04kab(*kW*)
dP=3*R1*l*(II^2)/(10^3)/.dos04kab(*kW*)
dP/P*100(*%*)