Seg HighTECH Line MRN3-3 Manuals

Seg HighTECH Line MRN3-3 Manuals

Manuals and User Guides for Seg HighTECH Line MRN3-3. We have 1 Seg HighTECH Line MRN3-3 manual available for free PDF download: Manual

Seg HighTECH Line MRN3-3 Manual

Seg HighTECH Line MRN3-3 Manual (50 pages)

MAINS DECOUPLING RELAY WITH DF/DT AND PROGRAMMABLE UNDERVOLTAGE CHARACTERISTICS

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
Analogue Input Circuits
5
Blocking Input
5
Output Relays
5
Fault Recorder
6
Order of Parameter Settings
7
System Parameters
7
Protection Parameters
7
Parameter Related to the Fault Recorder
9
Leds
9
Front Plate
9
Working Principle
10
Analogue Circuits
10
Digital Circuits
10
Voltage Supervision
10
Selection of Star or Delta Connection
11
Principle of Frequency Supervision
11
Measuring of Frequency Gradient
12
Vector Surge Supervision
12
Measuring Principle of Vector Surge
13
Voltage Threshold Value for Frequency
16
Blocking Function
16
Operation and Settings
17
Display
17
Setting Procedure
19
System Parameters
19
Prim Sec
19
Y - Switch over
19
Setting of Nominal Frequency
20
Display of the Activation Storage (FLSH/NOFL)
21
Protection Parameter
22
Setting Parameters for under Voltage Characteristics
22
Symmetrical, Asymmetrical or General Faults
23
Permissible Release Time for the under Voltage Characteristic Curve
24
Plausibility Check of the Voltage Characteristic
24
Parameter Setting of the Voltage Functions
25
Number of Measuring Repetitions (T) for
25
Threshold of the Frequency Supervision
25
Tripping Delays for the Frequency
25
Parameter Setting of the Vector Surge
26
Supervision or the Frequency Rate of
26
Change Df/Dt
26
Voltage Threshold Value for Frequency
27
5.4.11 Adjustment of the Slave Address
27
Setting of Baud-Rate
27
Setting of Parity
27
Adjustment of the Fault Recorder
27
Number of the Fault Recordings
27
Adjustment of Trigger Occurences
27
Pre-Trigger Time
28
Adjustment of the Clock
28
Additional Functions
29
Setting Procedure for Blocking of the
29
Output Relays
30
Indication of Measuring and Fault Values
31
Measuring Indication
31
Min./Max.- Values
31
Unit of the Measuring Values Displayed
31
Indication of Fault Data
31
Fault Memory
32
Reset
33
Erasure of Fault Storage
33
Erasure of Disturbance Recorder
33
Relay Testing and Commissioning
34
Testing the Output Relays and Leds
34
Checking the Set Values
34
Secondary Injection Test
35
Test Equipment
35
Example of Test Circuit
35
Checking the Input Circuits and Measuring Values
36
Checking the Tripping Delay of the Over-/Undervoltage Functions
36
Checking the Operating and Resetting
37
Checking the Tripping Delay of the Over-/Underfrequency Functions
37
Checking the Vector Surge Function
38
Checking the External Blocking and Reset Functions
39
Primary Injection Test
39
Maintenance
39
Technical Data
40
Measuring Input Circuits
40
Common Data
40
Setting Ranges and Steps
41
System Parameter
41
Protection Parameter
41
Interface Parameter
44
Parameters for the Fault Recorder
44
Output Relays
44
Order Form
45

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