PN = 28kW
U1N = 230V fN = 50Hz
p = 3 nN = 950 obr./min.
pm = 1.9 M = 0.15MN
N
Us = 230V fs = 50Hz
I1Rg MRg
ng Ig
I1t
2ĄnN ĄnN
�N = =
60 30
PN
MN =
�N
MkN = pm � MN
N
m1
2
p � m1 U1N
Mk = �
2ĄfN 2 � 2ĄfN Lz
2
p � m1 � U1N
Lz =
2(2ĄfN )2MkN
60fs
n1N =
p
n1N - n
SN =
n1N
1 2
=
sN skN
pm skN +
N
sN
SkN = SN (pm + p2 - 1)
N mN
R2
SkN = = skg
2ĄfN Lz
R2 = 2ĄfN � Lz � SkN
U
U1Nf = "s
3
U1Nf
I1Rg =
R22 + (2ĄfN Lz)2
2Ąfs
�1N =
p
2
m1R2 � I1Rg
MRg =
�1N
2Mk
Mem = M =
sg skg
g
+
skg sg
sg
ng = n1N (1 - sg)
U1fN
I1g =
2
R 2
+ (2ĄfN Lz)2
sg
sg = st
Us
I1ft =
2
R2
+ (2ĄfN Lz)2
sg
"
I1t = 3I1ft
UN = 200V IN =
60A PN = 10kW nN = 1000 obr./min. Rtw = 0.5&! Izn = 0.4A
� = f(I) � = f(M) Rd = 0.5&!
U = 0.8UN Iw = 0.6IwN
Mx = 0.9MN
Ąn
�N =
30
UN - IN Rtw
�N =
cŚ
UN - IN Rtw
cŚ =
�N
U - IRtw
� =
cŚ
M
I =
cŚ
U MRtw
� = -
cŚ c2Ś2
MN = cŚN IN
E
U MxRtw U 0.9 � MN Rtw
E
�x = - = -
cŚ (cŚ)2 cŚ (cŚ)2
cŚN IwN
=
cŚ1 Iw1
Iw1 IwN � 0.6
cŚ1 = cŚN = cŚN = cŚN � 0.6
IwN IwN
UN � 0.8 Mx(Rtw + Rd)
� = -
cŚN � 0.6 (cŚN � 0.6)2