Seg XRI1-IE Overcurrent Protection Relay Manuals

Seg XRI1-IE Overcurrent Protection Relay Manuals

Manuals and User Guides for Seg XRI1-IE Overcurrent Protection Relay. We have 1 Seg XRI1-IE Overcurrent Protection Relay manual available for free PDF download: Manual

Seg XRI1-IE Manual

Seg XRI1-IE Manual (36 pages)

Combined time overcurrent and earth current relay

Brand: Seg | Category: Relays | Size: 1 MB

Table of Contents

Table of Contents
2
Introduction and Application
4
Features and Characteristics
4
Design
5
Connections
5
Analog Input Circuits
5
Blocking Input
5
External Reset Input
5
Output Relays
5
Data Communication
6
Front Plate
7
Indication and Operation Elements
7
Leds
7
Display
8
Parameter Settings (See Chapter 6)
9
Working Principle
10
Analog Circuits
10
Digital Circuits
10
Earth Fault Protection
10
Generator Stator Earth Fault Protection
10
System Earth Fault Protection
10
Requirements on the Main Current Transformers
11
General Operations and Settings
12
Push Buttons
12
Indication of Measuring Values and Fault
13
DIP Switches
14
Function of the Output Relays
14
Reset
15
Password
15
Password Programming
15
Using the Password
15
Relay Setting Principle
16
Setting of Default Parameters
16
Blocking the Protection Function
16
Display of Software Version and Test-TRIP
16
Low/High Range of Functions Blocking and
16
Operations and Settings
17
Setting Procedure
17
Pickup Current for Phase Overcurrent Element (I>)
17
Time Current Characteristics for Phase over
17
Trip Delay or Time Multiplier for Phase over
17
Reset Setting for Inverse Time Tripping
17
Current Setting for High Set Element (I>>)
17
Trip Delay for High Set Element
18
Pickup Current for Earth Fault Element
18
WARN/TRIP Changeover
18
Time Current Characteristics for Earth Fault Element (CHAR IE)
18
Trip Delay or Time Multiplier for Earth Fault Element
18
Reset Mode for Inverse Time Tripping in Earth Current Path
18
Current Setting for High Set Element of Earth Fault Supervision
18
Trip Delay for High Set Element of Earth Fault Supervision
18
Nominal Frequency
18
Adjustment of the Slave Address
18
Display of the Activation Storage (FLSH/NOFL)
19
Blocking the Protection Functions and Assignment of the Output Relays
19
Setting Value Calculation
21
Definite Time Overcurrent Element
21
Inverse Time Overcurrent Element
21
Indication of Measuring and Fault Values
21
Measuring Values
21
Indication of Fault Data
21
Fault Recorder
22
Reset
22
Relay Testing and Commissioning
23
Power-On
23
Testing the Output Relays and Leds
23
Checking the Set Values
23
Secondary Injection Test
23
Test Equipment
23
Test Circuit of XRI1-IE
24
Checking the Input Circuits and Measured
25
Checking the Operating and Resetting
25
Checking the Relay Operating Time
25
Checking the High Set Element of the
25
Checking the External Blocking and Reset Functions
26
Test of the CB Failure Protection
26
Primary Injection Test
26
Maintenance
26
Technical Data
27
Measuring Input Circuits
27
Common Data
27
Setting Ranges and Steps
28
Time Overcurrent Protection
28
Earth Fault Protection
28
Switch Failure Protection
28
Interface Parameter
28
Inverse Time Overcurrent Protection Relay
29
Inverse Time Characteristics
30
Output Relays
31
Power Supply
31
Inputs, Blockage and Reset
31
System Data and Test Specifications
32
Relay Case
33
Order Form
34

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