Acme - Section 7 - Buck-Boost Transformers (AE_CAT_7_001)
Buck-Boost Transformers
S e c t i o n 7 | W i r i n g D i a g r a m s
BUCK-BOOSTWIRING DIAGRAMS ① - SINGLE PHASE
Figure C
Figure D
Figure E
Figure F
Figure G
Figure H
Figure I
Figure J
① The symbol O used in these connection diagrams indicates where to field install the over-current protective device, typically a fuse or circuit breaker.
BUCK-BOOSTWIRING DIAGRAMS ① - SINGLE PHASE FORTHREE PHASE APPLICATIONS
INPUT
INPUT
INPUT
1
1
1
2
2
2
3
3
3
H4
H4
X1
X1
X4
X4
TRANS. #1
TRANS. #1
X2
X2
H3
H3
X3
X3
H2
H2
X3
X3
X2
X2
TRANS. #2
H1
H1
TRANS. #2
X4
X4
X1
X1
TRANS. #2
H1
H1
H1
H1
X4
X4
X3
X3
H2
H2
H2
H2
TRANS. #1
X2
X2
H3
H3
H3
H3
X1
X1
H4
H4
H4
H4
1
1
1
2
2
2
3
3
3
OUTPUT
OUTPUT
OUTPUT
OPEN DELTA
F IG. CC
FIG. AA
WYE FIG. BB
OPEN DELTA
OPEN DELTA FIG. DD
INPUT
INPUT
1
1
① The symbol O used in these connection diagrams indicates where to field install the over-current protective device, typically a fuse or circuit breaker. ② Cannot be reverse connected. IMPORTANT: Refer to the N.E.C. (National Electrical Code) Article 450-4 for overcurrent protection of an autotransformer. These connection diagrams are packed with each buck-boost transformer. Do not use connections other than those shown above.
2
3
3
H4
H4
X1
X1
TRANS. #1
H3
H3
X2
X2
H2
H2
X3
X3
H1
H1
TRANS. #2
X4
X4
TRANS. #2
X4
X4
H1
H1
X3
X3
H2
H2
X2
X2
TRANS. #1
H3
H3
X1
X1
H4
H4
1
1
2
2
3
3
OUTPUT
OUTPUT
FIG. EE
OPEN DELTA FIG. FF
OPEN DELTA
WYE FIG. GG
17
toll free 800.334.5214
ACME ELECTRIC | www.hubbell.com/acmeelectric/en
Made with FlippingBook Digital Publishing Software