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39
Instruction Booklet
IB156002EN
Effective January 2022
Eaton HCU2/HCUn active harmonic
filter installation manual
EATON
www.eaton.com
Figure 45 . CT wiring for two primaries and three secondaries
Active Filter
L2
L3
L1
X
2
X1
CH1
IN
X2
X1
X2
X1
OUT
X2
X1
CH
2
IN
X
2
X
1
X2
X
1
OUT
X2
X1
CH3
IN
X2
X
1
X2
X1
OUT
Active Filter
L2
L3
L1
X2
X1
CH1
IN
X2
X
1
X2
X1
OUT
X
2
X1
CH2
IN
X2
X1
X
2
X
1
OUT
X2
X
1
CH3
IN
X
2
X1
X
2
X
1
OUT
Active Filter
L2
L3
L1
X1
X1
X1
Source
L1
L2
L3
Load
MASTER
MASTER
SLAVE
Factory Installed shorting jumpers
Active Filter
L2
L3
L1
SLAVE
Active Filter
L2
L3
L1
SLAVE
Optional 3
rd
CT
Required if there are Line-to- Neutral connected Loads downstream of the CTs.
3-phase Protection
Device
Customer supplied
Shorting Terminal Block
Customer supplied