GE 350-A9 Quick Start Guide

CHAPTER 1: INTRODUCTION DESCRIPTION OF THE 350 FEEDER PROTECTION SYSTEM
350 FEEDER PROTECTION SYSTEM – QUICKSTART GUIDE 3
Figure 1-1: Functional block diagram
Table 1-1: ANSI device numbers and functions
898742A7.CDR
A350 RELAYY
TRIP
BUS
LOAD
3
1
52
CLOSE
50G/
51G
50P 50N
79
22
21
METERING
TRANSIENT RECORDER
EVENT RECORDER
FAULT REPORT
51N51P
50_2
111
49
1
27X
59P27P
59X
59_2 59N 81U 81O
CLP
50BF
1
11
1
1122
MONITORING
BUS VT
67P
1
1
51_2
67N
1
CTS
25
51G/SG 67G/SG50G/SG
I/I
12
27_1
1
86
VTFF
1
24
32N
2
32
50P HS
1
1
50G/SG
HS
AF
SENSORS
ANSI Code 61850 Logical Node Description
24 PVPH Volts per Hertz
25 RSYN1 Synchrocheck
27_1 psseqPTUV1 Positive Sequence Undervoltage
27P phsPTUV1, phsPTUV2,
phsPTUV3, phsPTUV4
Phase Undervoltage
27X auxPTUV1 Auxiliary Undervoltage
32 PDOP1, PDOP2 Directional Power
32N ndPDOP Wattmetric Ground Fault
I1/I2 (46BC) - Broken Conductor
49 PTTR1 Thermal Overload
50_2 ngseqPIOC1 Negative Sequence Overcurrent
50BF RBRF1 Breaker Failure
50G/SG gndPIOC1, gndPIOC2/
hsePIOC1, hsePIOC2
Ground/Sensitive Ground Instantaneous Overcurrent
50N ndPIOC1, ndPIOC2 Neutral Instantaneous Overcurrent
50P phsPIOC1, phsPIOC2 Phase Instantaneous Overcurrent
51_2 ngseqPTOC1 Negative Sequence Time Overcurrent
51G/SG gndPTOC1/hsePTOC1 Ground/Sensitive Ground Time Overcurrent
51N ndPTOC1 Neutral Time Overcurrent
51P phsPTOC1 Phase Time Overcurrent
59_2 ngseqPTOV1,
ngseqPTOV2
Negative Sequence Overvoltage

GE 350-A9 Specifications

General

Brand	GE
Model	350-A9
Category	Relays
Language	English