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Calculating settings for step 1...................................................... 44
Calculating settings for four step phase overcurrent protection 3-
phase output, LV-side OC4PTOC (51_67)........................................ 46
Calculating general settings......................................................... 47
Calculating settings for step 1 ..................................................... 47
Calculating settings for step 4...................................................... 48
Calculating settings for four step residual overcurrent protection,
zero or negative sequence direction HV-side EF4PTOC (51N/67N).50
Calculating general settings......................................................... 51
Calculating settings for step 1...................................................... 52
Calculating settings for step 2...................................................... 54
Calculating settings for step 4...................................................... 55
Calculating settings for two step residual overvoltage protection
LV-side, ROV2PTOV (59N)...............................................................55
Calculating settings for HV-side breaker failure protection,
CCRBRF (50BF)................................................................................57
Calculating settings for LV-side breaker failure protection,
CCRBRF (50BF)................................................................................58
Section 4 Analog inputs.......................................................................61
Setting of the phase reference channel.............................................61
Relationships between setting parameter Base Current, CT rated
Example 1.....................................................................................63
Example 2.....................................................................................64
Examples on how to connect, configure and set CT inputs for
most commonly used CT connections..........................................66
Example on how to connect a wye connected three-phase CT
set to the IED................................................................................67
Setting of voltage channels............................................................... 70
most commonly used VT connections..........................................71
Examples on how to connect a three phase-to-ground
connected VT to the IED.............................................................. 72
Example on how to connect a phase-to-phase connected VT
to the IED......................................................................................73
Section 5 Local human-machine interface.......................................... 77
Table of contents
2
Application manual
Summary of Contents for REC650 ANSI
Page 1: ...Relion 650 series Bay control REC650 ANSI Application manual...
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Page 66: ...Section 3 1MRK 511 286 UUS A REC650 setting examples 60 Application manual...
Page 71: ...IED IED ANSI05000460 V2 EN 1MRK 511 286 UUS A Section 4 Analog inputs 65 Application manual...
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