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IDM8N
SEB IDM8N Protection Relay Manuals
Manuals and User Guides for SEB IDM8N Protection Relay. We have
1
SEB IDM8N Protection Relay manual available for free PDF download: User Manual
SEB IDM8N User Manual (52 pages)
DIGITAL PERCENTAGE BIASED DIFFERENTIAL PROTECTION RELAY
Brand:
SEB
| Category:
Relays
| Size: 0 MB
Table of Contents
Table of Contents
3
General Characteristics
4
Operation of the Differential Thresholds
6
Transformer Differential Protection (ANSI 87T)
9
Overcurrent Thresholds (ANSI 51)
9
Residual Overcurrent (ANSI 51N)
10
Front Panel Keys
11
Front Panel Led Signaling
12
Programming and Test
13
How to Program the Protection Relay
13
How to Modify a Visualized Parameter
14
Reset
14
Test of Output Relays
15
Display and Programming
16
Standard Display
16
Visualization Structure
17
Address and Time (Fig. 1)
22
Display Selection and Drop-Off Delay (Fig. 1)
23
Rated Values of the Protected Transformer (Picture 2)
24
Thresholds and Time Delays Set-Up (Fig. 2)
27
Percentage Biased Differential Thresholds (87T - Fig. 2)
27
Overcurrent Thresholds (51 - Fig. 2)
30
Residual Overcurrent Thresholds (51N - Fig. 2)
31
Output Relays Programming (Fig. 3)
32
Digital Inputs Function Programming (Fig. 3)
33
Parameter Values Visualization (Fig. 4)
34
Events (Fig. 5)
38
Trips Counters (Fig. 5)
41
Installation
43
Supplied Kit
43
Cabling
43
Relays R3 and R4 - Signaling / Command Set-Up
49
RS485 Serial Communication Port
49
Technical Data
50
Table
51
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