Sign In
Upload
Manuals
Brands
Seg Manuals
Relays
High Tech MRI3-ITER
Seg High Tech MRI3-ITER Manuals
Manuals and User Guides for Seg High Tech MRI3-ITER. We have
1
Seg High Tech MRI3-ITER manual available for free PDF download: Manual
Seg High Tech MRI3-ITER Manual (46 pages)
Time overcurrent relay with thermal replica and earth current measuring
Brand:
Seg
| Category:
Relays
| Size: 1 MB
Table of Contents
Table of Contents
2
1 Introduction and Application
4
2 Features and Characteristics
4
3 Design
5
Connections
5
Analog Input Circuits
6
Output Relays
6
Relay Output Contacts
6
Blocking Input
6
External Reset Input
6
Fault Recorder
7
Front Plate
8
4 Working Principle
9
Analog Circuits
9
Digital Circuits
9
Thermal Replica
10
Definitions
10
Algorithm
11
Earth Fault Protection
13
Generator Stator Earth Fault Protection
13
System Earth Fault Protection
13
Earth-Fault Directional Feature (ER-Relay Type)
14
Demand Imposed on the Main Current Transformers
16
5 Operation and Settings
17
Display
17
Leds
18
Setting Procedure
19
System Parameter
19
Display of Measuring Values as Primary Quantities
19
Phase)
19
Display of Earth Current as Primary Quantity
19
Earth)
19
Display of Residual Voltage U as Primary Quantity
19
Prim Sec
19
Voltage Transformer Connection for Resi
19
Nominal Frequency
19
Parameter Switch/External Triggering of
20
The Fault Recorder
20
Protection Parameters
20
Pickup Value of the Thermal Overload
20
B,A B,T
20
Constant K
20
Time Constant Τ
20
Pickup Current for Phase Overcurrent Element (I>)
20
Time Current Characteristics for Phase Overcurrent Element (CHAR I>)
21
Trip Delay or Time Multiplier for Phase Overcurrent Element
21
Current Setting for High Set Element (I>>)
21
Trip Delay for High Set Element
21
Pickup Value for Residual Voltage U
21
(ITER-Relay Type)
21
Pickup Current for Earth Fault Element
21
WARN/TRIP Changeover
22
Time Current Characteristics for Earth Fault
22
(Not er Device Type)
22
Trip Delay or Time Multiplier for Earth Fault Element
22
Resetting Time for Inverse Time Earth Fault Element
22
Current Setting for High Set Element of Earth Fault Supervision
22
Trip Delay for High Set Element of Earth Fault Supervision
22
COS/SIN Measurement (er - Relay Type)
22
Block/Trip - Time (Only ITE-Device Type)
22
Circuit Breaker Failure Protection T
22
Setting of Baud-Rate
23
Setting of Parity
23
Fault Recorder
23
Adjustment of the Fault Recorder
23
Number of the Fault Recordings
23
Adjustment of Trigger Occurences
23
Pre-Trigger Time
23
Adjustment of the Clock
23
Additional Functions
24
Blocking of the Protective Functions
24
Indication of Measuring and Fault Values
26
Indication of Measuring Values
26
Unit of the Measuring Values Displayed
26
Indication of Fault Data
26
Fault Memory
27
Reset
27
Erasure of Fault Storage
27
Reset of the Thermal Replica Register
27
Advertisement
Advertisement
Related Products
Seg High Tech MRI3-ITE
Seg MRI3-C
Seg MRIK3
Seg HighTECH Line MRI1IU
Seg MRI1
Seg MRIK3-C
Seg HighTECH MRU3-2
Seg HighTECH Line MRN3-3
Seg MRN3
Seg MRM3
Seg Categories
Relays
LED TV
LCD TV
Protection Device
TV
More Seg Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL