Page 419 - Industrial Power Engineering and Applications Handbook

Switchgear and controlgear assemblies 131393
R Y B N

7-

c1

22
2
tC1

h4

I f
triD on on
Figure 13.55 Reversing DOL starter

R Y E N

i. D

b
D S
0 0
M M

!
hl h2 h3
-
0
trip

Motor windings in A
Figure 13.56 Star-delta starter