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IMO HD2-3.7A-43 - 4.5.4 Bypass connection

IMO HD2-3.7A-43
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HD2 Series Inverter Installation Guidelines
-22-
4.3.2 Wiring diagram of main circuit for parallel inverters
R S T U V W
Master
+
-
R S T U V W
R S T U V W R S T U V W R S T U V W R S T
U V W
+
-
+
-
Slave 1 Slave 2 Slave 3 Slave 4 Slave 5
+
-
+
-
+
-
Input Output
Input OutputInput OutputInput OutputInput OutputInput Output
Master
Master–
Slave 1
Slave 1–
Slave 2
Slave 2–
Slave 3
Slave 3–
Slave 4
Slave 4–
Slave 5
(+) bus
length
About
1700mm
About
1700mm
About
1700mm
About
1700mm
About
1700mm
About
1700mm
(-) bus
length
About
1700mm
About
1700mm
About
1700mm
About
1700mm
About
1700mm
About
1700mm
Note:
The number of inverters that can be paralleled depends on the actual power. A maximum of six
inverters can be paralleled together.
Both the input side and output side of the master and slave need to be connected with parallel
connection cables of the same length.
4.3.3 Main circuit terminal diagram
Figure 4-8 3PH 380V 22kW and lower
Figure 4-9 3PH 380V 30–37kW
Figure 4-10 3PH 380V 45–110kW (Enabling PB when a braking unit is embedded)

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