formulas Flashcards
(17 cards)
1
Q
Ish
A
Vsh/Rsh
2
Q
IL
A
P/VL or √P/RL
3
Q
Ia
A
IL+Ish
4
Q
E
A
V+(Ia)(Ra)
5
Q
Pout
A
V×IL
6
Q
Pin,e
A
E×Ia
7
Q
Pin,m
A
Pin,e + losses
8
Q
Pcu,a
A
Ia²(Ra)
9
Q
Pcu,sh
A
V×Ish
10
Q
Ptotal
A
Pcu,a + Pcu,sh
11
Q
P iron/friction loss
A
= Ptotal
12
Q
Power losses total
A
Ptotal + Piron/friction
13
Q
Pout engine
A
Pout + Ploss total
14
Q
%Vr
A
Vnl-Vl/Vl×100%
15
Q
Nc
A
Pout/Pin,m ×100
16
Q
Ne
A
Pout/Pin,e ×100
17
Q
Nm
A
Pin,e/ Pin,m ×100
