TECO N3 Series - Input; Output Power Section Block Diagram

N3 Drive Operations Manual
Input / Output Power Section Block Diagram 14
9.0 Input / Output Power Section Block Diagram
The following Fig. 9.0 A), B) and C) show the basic configuration of the power sections for the range of horsepower
and input voltages. This is shown for reference only and is not a detailed depiction.
Control
Circuit
Cooling Fan
+
_
L1(L)
L2
L3 (N)
T1
T2
T3
DC /DC
Converter
PE
Control
Circuit
Cooling Fan
C.M. Choke
R/L1
S/L2
T/L3
U/T1
V/T2
W/T3
DC /DC
Converter
E
Control
Circuit
Cooling Fan
C.M. Choke
DC /DC
Converter
+24VDC
+
_
E
+
_
R/L1
S/L2
T/L3
U/T1
V/T2
W/T3
B) 230V: 25 HP and 440v : 25 – 30 HP
C) 230V: 30 - 40 HP and 440v : 40 – 75 HP
A) 230V 1Ø: 0.5 – 3 HP, 230V 3Ø: 0.5 – 10 HP and 460V 3Ø: 1 - 15 HP
Fig. 9.0 Power Input / Output Block Diagrams