GE Industrial Solutions MX350 Instruction manual User Manual
Page 8

1–4
MX350 AUTOMATIC TRANSFER CONTROL SYSTEM – INSTRUCTION MANUAL
OVERVIEW
CHAPTER 1: INTRODUCTION
Figure 3: Single line diagram
Table 1: MX350 protection functions
GEN
X1
H1
H1
X1
METERING
V, A, W, VAR, VA, PF, HZ
TO LOAD
UTA
UTILITY
(SOURCE-1)
VOLTAGE
CARD
SOURCE
2
POWER
SUPPLY
1
SOURCE
CARD
VOLTAGE
METERING
NEUTRAL
CT CARD
ATS
CONTROLLER
170VDC
RS485
-MODBUS
R
TU
ETHERNET
-MODBUS
TCP/IP
NOTE:1
K
CARD
P
ENGINE
ST
AR
T
CONT
ACT
I/O
CARD
24VDC
TO K CARD
AND
I/O CARD
SUPPLIED BY OTHERS
(3)
CT'S
(1) CT
NOTE:1
TO
SOURCE-2
NOTE:1- FOURTH POLE/NEUTRAL POLE IS AN OPTIONAL FEATURE.
NOTE:1
NOTE:1
27 59 47
25
47
59
27
46
51R
50G 51G
889739A1.CDR
ANSI device
Description
25
Synch check
27
Undervoltage
46
Current balance
47
Voltage phase reversal
50G (option)
Ground instantaneous overcurrent
51G (option)
Ground time overcurrent
51 (option)
Overcurrent
59
Overvoltage
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