Delta Electronics VFD-VL 사용자 설명서
Chapter 2 Installation and Wiring|
Revision Nov. 2008, VLE1, SW V1.03 2-7
2.3 Main Circuit
2.3.1 Main Circuit Connection
Non-fuse br eak er
( NF B)
( NF B)
Br ak e r es istor
(O pti onal)
(O pti onal)
Motor
R (L1 )
S(L2 )
S(L2 )
T(L 3)
R
S
T
T
U (T 1)
V(T2 )
V(T2 )
W(T 3)
IM
3 ~
3 ~
MC
E
E
+1 +2/B1
B2
+
-
EPS
*
Terminal Symbol
Explanation of Terminal Function
EPS (+, -)
For emergency power or backup power supply
R/L1, S/L2, T/L3
AC line input terminals
U/T1, V/T2, W/T3
AC drive output terminals for connecting 3-phase
induction motor
induction motor
+1, +2/B1
Connections for DC Choke (optional). Please remove
jumper when installation. (It is built in DC choke for
models 22kW and above)
jumper when installation. (It is built in DC choke for
models 22kW and above)
+2/B1, B2
Connections for Brake Resistor (optional)
Earth connection, please comply with local regulations.