S2 System Setup; Current Sensing - GE SR345 Instruction Manual

CHAPTER 6: SETPOINTS

S2 System Setup

S2 SYSTEM SETUP

CURRENT SENSING

POWER SYSTEM
TRANSFORMER
▼
WNDG 1 BREAKER
WNDG 2 BREAKER
897765A1.cdr
Current sensing
345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
Courtesy of NationalSwitchgear.com
Figure 11: System Setup menu
PATH:
SETPOINTS > S2 SYSTEM SETUP > CURRENT SENSING
W1 PH CT PRIMARY
Range: 1 A to 6000 A in steps of 1 A
Default: 5 A
Enter the rated phase CT primary current of the three-phase current transformers
associated with Winding 1.
S2 CURRENT SENSING
W1 PH CT PRIMARY
▼
W1 GND CT PRIMARY
W2 PH CT PRIMARY
W2 GND CT PRIMARY
S2 POWER SYSTEM
NOMINAL FREQUENCY
▼
SYSTEM ROTATION
S2 TRANSFORMER
XFMR RATED LOAD
▼
XFMR TYPE
PHASE COMPENSATION
W1 NOM VOLTAGE
W1 GROUNDING
W2 NOM VOLTAGE
W2 GROUNDING
S2 WNDG 1 BREAKER
52a CONTACT
▼
52b CONTACT
BKR CONNECTED
S2 WNDG 2 BREAKER
52a CONTACT
▼
52b CONTACT
BKR CONNECTED
S2 SYSTEM SETUP
W1 SENS GND PRIM
5 A
W2 SENS GND PRIM
5 A
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