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REF611
ABB REF611 User Manual
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LE
D
2
EARTH-FAULT PROTECTION
SELGAPC4
OUT_2
I
N_1
1
OSWGA
PC
9
OR
OUT
IN_
5
IN_
6
IN_
7
IN_
8
EFLPTOC1
Io>(
1)
51N-1(1)
BLOCK
START
OPERATE
Io
ENA_
MUL
T
EFLPTOC2
Io>(
2)
51N-1(2)
BLOCK
START
OPERATE
Io
ENA_
MUL
T
EF
IPTOC1
Io>>>(1)
50N(1)
BLOCK
START
OPERATE
Io
ENA_
MUL
T
EF
HP
TOC1
Io>>(1)
51N-2(1)
BLOCK
START
OPERATE
Io
ENA_
MUL
T
GUID-A3A385B1-89E2-4E71-9C18-183C9A1F9660 V1 EN
Figure 63:
Earth-fault protection
Four stages are offered for non-directional earth-fault protection.
All operate signals are connected to the Master Trip as well as to the alarm LED 2.
1MRS757456 D
Section 3
REF611 standardized configurations
REF611
85
Application Manual
90
92
Table of Contents
Section 1 Introduction
11
Product Documentation
12
Related Documentation
13
Document Conventions
14
Section 2 REF611 Overview
17
Product Version History
18
Operation Functionality
19
Local HMI
20
Display
21
Leds
22
Command Buttons
24
Authorization
25
Audit Trail
26
Communication
28
Self-Healing Ethernet Ring
29
Ethernet Redundancy
30
Secure Communication
32
Section 3 REF611 Standardized Configurations
33
Switch Groups
34
Input Switch Group ISWGAPC
35
Selector Switch Group SELGAPC
36
Connection Diagrams
37
Configuration a
40
Functions
41
Predefined Disturbance Recorder Connections
42
Functional Diagrams for Protection
43
Functional Diagrams for Disturbance Recorder and Trip Circuit Supervision
50
Functional Diagrams for Control
53
Switch Groups
56
Internal Signals
60
Binary Outputs and Leds
64
Goose
84
Configuration B
87
Functions
88
Predefined Disturbance Recorder Connections
89
Functional Diagrams for Protection
90
Functional Diagrams for Disturbance Recorder and Trip Circuit Supervision
95
Functional Diagrams for Control
97
Switch Groups
99
Binary Inputs
100
Internal Signals
103
Binary Outputs and Leds
107
Goose
125
Configuration C
127
Functions
128
Default I/O Connections
129
Predefined Disturbance Recorder Connections
130
Functional Diagrams for Disturbance Recorder and Trip Circuit Supervision
137
Functional Diagrams for Control
140
Switch Groups
143
Internal Signals
147
Binary Outputs and Leds
150
Goose
171
Section 4 Requirements for Measurement Transformers
175
Non-Directional Overcurrent Protection
176
Example for Non-Directional Overcurrent Protection
177
Section 5 Protection Relay's Physical Connections
179
Phase Voltage
180
Outputs
181
Outputs for Signalling
182
Section 6 Glossary
185
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ABB REF611 Specifications
General
Brand
ABB
Model
REF611
Category
Protection Device
Language
English
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