Working Principles; Terra Xx4 Variants Cc, Cj, Nc, And Nn - ABB Terra 94 UL Operation And Installation Manual

"Operation and installation manual" - "Terra 94/124/184(NEVI) UL"
24
3.6

Working principles

3.6.1

Terra xx4 variants CC, CJ, NC, and NN

D
E E
C
NOTE
For Terra 94, the second array of three power modules is empty and it can perform only one DC
charge session.
E E E E
C
R
S
T
Ref. Description
A
Main fuse
B
AC contactor
C Residual current device
D Power module matrix
E 30kW power module
F DC Filter
G DC relay
H DC fuse
I Overcurrent board
J EV
K CPI board
L IMI board
M Interlink contactor
N AC SPD
O Breaker
P Auxiliary transformer
Q
Auxiliary breaker
R
Heater
S
Power supply unit
T
DC EMC filter
U
DC cooling fans
V
CCB board
W
HMI
X
Power bridge board
Power connection
Black and thin lines: auxiliary
power connection.
CAN bus.
Control signal or monitoring
signal.