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OVERVIEW
NOTE:1
SUPPLIED BY OTHERS
NOTE:1- FOURTH POLE/NEUTRAL POLE IS AN OPTIONAL FEATURE.
1–4
Figure 3: Single line diagram
TO
UTILITY
(SOURCE-1)
NOTE:1
NOTE:1
X1
X1
H1
H1
(1) CT
(3)
CT'S
TO LOAD
NOTE:1
SOURCE-2
Table 1: MX350 protection functions
ANSI device
25
27
46
47
50G (option)
51G (option)
51 (option)
59
CT CARD
NEUTRAL
METERING
VOLTAGE
CARD
SOURCE
UTA
VOLTAGE
CARD
SOURCE
POWER
SUPPLY
170VDC
ATS
CONTROLLER
TO K CARD
24VDC
AND
I/O CARD
GEN
Description
Synch check
Undervoltage
Current balance
Voltage phase reversal
Ground instantaneous overcurrent
Ground time overcurrent
Overcurrent
Overvoltage
MX350 AUTOMATIC TRANSFER CONTROL SYSTEM – INSTRUCTION MANUAL
CHAPTER 1: INTRODUCTION
50G 51G
46
51R
27
59
47
1
METERING
V, A, W, VAR, VA, PF, HZ
25
27
59
47
2
889739A1.CDR
K
CARD
P
I/O
CARD
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