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Unidrive M / Unidrive HS Modular Installation Guide
Issue Number: 5
Figure 4-6 Layout for a Unidrive M / Unidrive HS size 11T supplied from a 12 pulse phase shifted AC supply
* INL chokes may be omitted if:
1. The transformer is dedicated to the drive i.e. not shared with other equipment.
2. The transformer has reactances from primary to secondary and between secondaries of at least 4 % based on the drive rating. This represents a
fully wound transformer with loosely coupled secondaries whose rating (kVA) does not match the drive rating.
I
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Su
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M
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L1
L2
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Optiona
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Fuses
L3
L1
L2
L3
PE
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M
oto
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+DC
BR
Therm
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dev
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L1
L2
Lin
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Optiona
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EM
C
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Fuses
L3
L1
L2
L3
11
T
R
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Fr
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Summary of Contents for unidrive m
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