Seg HighTECH Line MRI1IU Time relay Manuals

Manuals and User Guides for Seg HighTECH Line MRI1IU Time relay. We have 2 Seg HighTECH Line MRI1IU Time relay manuals available for free PDF download: Manual, Instruction Manual

Seg HighTECH Line MRI1IU Manual (22 pages)

VOLTAGE CONTROLLED TIME-OVERCURRENT RELAY

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

Table of Contents
2
Introduction and Application
3
Features and Characteristics
3
Design
4
Connections
4
Analogue Input Circuits
4
Output Relays
4
Blocking Input
4
External Reset Input
4
Leds
5
Working Principle
5
Analogue Circuits
5
Digital Circuits
6
Voltage Controlled Tripping Characteristic
6
Demand Imposed on the Main Current
6
Operation and Setting
7
Display
7
Setting Procedure
8
Current Setting Values for Overcurrent
8
Sn Sl
8
Time Current Characteristics for Phase
8
Trip Delay or Time Multiplier for Phase
8
Reset Setting for Inverse Time Tripping
9
Current Setting for High Set Element (I>>N and I>>L)
9
Trip Delay for High Set Element
9
Undervoltage Set Reference Value
9
Nominal Frequency
9
Adjustment of the Slave Address
9
Blocking the Protection Functions and Assignment of the Output Relays
10
Indication of Measuring Values and
11
Indication of Measuring Values
11
Indication of Fault Data
11
Reset
11
Relay Testing and Commissioning
12
Power-On
12
Testing the Output Relays and Leds
12
Checking the Set Values
12
Secondary Injection Test
12
Test Equipment
12
Example of Test Circuit
13
Checking the Input Circuits and Measured Values
13
Checking the Operating and Resetting
14
Checking the Relay Operating Time
14
Checking the High Set Element
14
Checking the External Blocking and Reset Functions
14
Primary Injection Test
15
Maintenance
15
Technical Data
16
Measuring Input Circuits
16
Common Data
16
Setting Ranges and Steps
17
Definite Time Overcurrent Protection
17
Inverse Time Overcurrent Protection Relay
17
Inverse Time Characteristics
18
Output Contacts
18
Order Form
19

Seg HighTECH Line MRI1IU Instruction Manual (21 pages)

Voltage controlled time overcurrent relay

Brand: Seg | Category: Protection Device | Size: 1 MB

Contents
2
Introduction and Application
3
Features and Characteristics
3
Design
4
Connections
4
Analog Input Circuits
4
Output Relays
4
Working Principle
5
Leds
5
Analog Circuits
5
Digital Circuits
6
Voltage Controlled Tripping Characteristic
6
Demand Imposed on the Main Current Transformers
6
Operation and Setting
7
Display
7
Setting Procedure
8
Current Setting Values for Overcurrent Relay
8
Time Current Characteristics for Phase Overcurrent Element
8
Trip Delay or Time Multiplier for Phase Overcurrent Element
8
Current Setting for High Set Element
9
Trip Delay for High Set Element
9
Undervoltage Set Reference Value
9
Nominal Frequency
9
Assignment of the Output Relays
10
Blocking the Protection Functions
10
Indication of Measuring Values
11
Indication of Fault Data
11
Reset
11
Manual Reset
11
Relay Testing and Commissioning
12
Power on
12
Testing the Output Relays and Leds
12
Checking the Set Values
12
Example of Test Circuit Relays Without Directional Feature
13
Checking the Input Circuits and Measured Values
13
Checking the Relay Operating Time
14
Checking the High Set Element of the Relay
14
Checking the External Blocking and Reset Functions
14
Primary Injection Test
15
Maintenance
15
Technical Data
16
Measuring Input Circuits
16
Common Data
16
Setting Range and Steps
17
Definite Time Overcurrent Protection Relay
17
Inverse Time Overcurrent Protection Relay
17
Inverse Time Characteristics
18
Output Contacts
18
Normal Inverse
18
Very Inverse
18
Order Form
19
Setting of Code Jumpers
19
Setting List MRI1
20
Setting of the Parameters
20

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