Fórmulas 1.pdf
1
FORMULARIO PARA SER UTILIZADO DURANTE EL EXAMEN (Primer parcial) TRANSFORMADORES m m ef ef N f N f E U φ ⋅ ⋅ ⋅ = φ ⋅ ⋅ π ⋅ = = 1 1 1 1 44 4 2 2 1 , m m ef ef N f N f E U φ ⋅ ⋅ ⋅ = φ ⋅ ⋅ π ⋅ = = 2 2 2 2 44 4 2 2 1 , n cc n n cc cc U Z I U U 1 1 1 ⋅ = = ε n cc n cc S Z I ⋅ = ε 2 1 n C n c U U U 2 2 2 − = ε (%) n C n c U U U 1 2 1 ' (%) − = ε [ [ [ ] ] ] c n c U U ε − ⋅ = 1 2 2 n cc n n Rcc Rcc U R I U U 1 1 1 ⋅ = = ε n cc n n Xcc Xcc U X I U U 1 1 1 ⋅ = = ε ϕ ⋅ + ϕ ⋅ = ε Sen U Cos U Xcc Rcc c (%) ϕ ⋅ ⋅ + ϕ ⋅ ⋅ = ε Sen U I X Cos U I R n cc n cc c 1 1 1 1 (%) [ ] ϕ ⋅ ε + ϕ ⋅ ε ⋅ = ε Sen Cos C XCC RCC c (%) 2 0 2 2 2 2 2 0 2 2 2 2 C P P Cos I U C Cos I U C C P P Cos I U Cos I U cc n n cc + + ⋅ ⋅ = + + = ϕ ϕ ϕ ϕ η [ ] [ ] 2 0 1 1 C P P Cos S C Cos S C cc n c n c + + ϕ ⋅ ε − ⋅ ϕ ⋅ ε − ⋅ = η cc max P P C 0 = η 100 1 1 2 ⋅ − = I I K I (%) n i ε n n n I I K 2 1 = MÁQUINA DE CC FEM inducida en una espira: FEM total (a=nº de circuitos en paralelo, N=nº de espiras, n=velocidad giro (rpm)): Par motor total de una máquina de CC: Ecuación de los motores independiente y derivación: Ecuación de los motores de excitación serie: V l B E ⋅ ⋅ ⋅ = 2 ϕ ⋅ ⋅ = n a p N E 60 4 I a N P T TOTAL ⋅ ϕ ⋅ ⋅ π ⋅ = 2 i i R ' K K T K U n ⋅ ⋅ ⋅ − ⋅ = 2 ϕ ϕ i i i I R E U ⋅ − = [ ] i ex i i I R R U E ⋅ + − = [ ] 2 ϕ ϕ ⋅ ⋅ ⋅ + − ⋅ = ' K K T R R K U n ex i i
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Transcript of Fórmulas 1.pdf
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FORMULARIO PARA SER UTILIZADO DURANTE EL EXAMEN (Primer parcial)
TRANSFORMADORES mmefef NfNfEU ============ 1111 44422
1,
mmefef NfNfEU ============ 2222 444221
,
n
ccn
n
cccc U
ZIUU
1
1
1
======== n
ccncc S
ZI ====
21
n
Cnc U
UU
2
22 ==== (%)
n
Cnc U
UU
1
21 '(%)
====
[[[[ ]]]]cnc UU ==== 122
n
ccn
n
RccRcc U
RIUU
1
1
1
======== n
ccn
n
XccXcc U
XIUU
1
1
1
========
++++==== SenUCosU XccRccc(%)
++++==== SenU
IXCos
UIR
n
cc
n
ccc
1
1
1
1(%)
[[[[ ]]]]++++==== SenCosC XCCRCCc (%)
2022
222
022
22
CPPCosIUCCosIUC
CPPCosIUCosIU
ccn
n
cc ++
=
++=
[[[[ ]]]][[[[ ]]]] 201
1CPPCosSC
CosSC
ccnc
nc
++++++++
====
ccmax P
P C 0====
1001
12
=
IIKI(%) ni
n
nn I
IK2
1=
MQUINA DE CC FEM inducida en una espira:
FEM total (a=n de circuitos en paralelo, N=n de espiras, n=velocidad giro (rpm)):
Par motor total de una mquina de CC:
Ecuacin de los motores independiente y derivacin:
Ecuacin de los motores de excitacin serie:
VlBE = 2
= napNE
604
IaNPTTOTAL
====2
ii R
'KKT
KUn
= 2iiiIREU =
[ ] iexii IRRUE += [ ]2 +
=
'KKTRR
KUn exii
