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Buck-Boost Application manual 02-12
Page 11 of 21
3 Phase Wye
WIRING DIAGRAM #5 (58-A)
Part A (Transformer #1):
Step 1: Connect H1 & H3 together.
Step 2: Connect H2, H4, X1, X3 & LOW VOLTAGE AØ-Phase together.
Step 3: Connect X2, X4 & HIGH VOLTAGE AØ-Phase together.
Part B (Transformer #2):
Step 1: Connect H1 & H3 together.
Step 2: Connect H2, H4, X1, X3 & LOW VOLTAGE BØ-Phase together.
Step 3: Connect X2, X4 & HIGH VOLTAGE BØ-Phase together.
Part C (Transformer #3):
Step 1: Connect H1 & H3 together.
Step 2: Connect H2, H4, X1, X3 & LOW VOLTAGE CØ-Phase together.
Step 3: Connect X2, X4 & HIGH VOLTAGE CØ-Phase together.
Part D:
Connect H1 from Transformer #1, H1 from Transformer #2, H1 from
Transformer #3, the LV neutral & the HV neutral together.
Transformer #1
Transformer #2
Transformer #3