107
Instantaneous non-directional overcurrent
protection (IOC)
Chapter 5
Current
Table 112: Output signals for the IOC (IOC--) function block
1.6
Setting parameters
Path in local HMI: Settings/Functions/Group
n
/InstantOC (where
n
=1-4)
Table 113: Setting parameters for the instantaneous phase and residual overcurrent pro-
tection IOC (IOC--) (non-dir.) function
1.7
Technical data
Table 114: IOC - Instantaneous overcurrent protection
Signal
Description
TRIP
Trip by instantaneous overcurrent function.
TRP
Trip by instantaneous phase overcurrent function when included
TRL1
Trip by instantaneous overcurrent function, phase L1 when single pole
tripping is included
TRL2
Trip by instantaneous overcurrent function, phase L2 when single pole
tripping is included
TRL3
Trip by instantaneous overcurrent function, phase L3 when single pole
tripping is included
TRN
Trip by the instantaneous residual overcurrent function when included
Parameter
Range
Default
Unit
Description
Operation
Off, On
Off
-
Operating mode for the IOC function
IP>>
50-2000
Step: 1
100
% of I1b
Operating phase current
IN>>
50-2000
Step: 1
100
% of I1b
Operating residual current
Function
Setting range
Operate time
Accuracy
Operate current
I>>
Phase measuring
elements
(50-2000)% of I1b In
steps of 1%
-
±
2.5 % of I
r
at I
≤
I
r
±
2.5 % of I at I > I
r
-
Residual measuring
elements
(50-2000)% of I1b In
steps of 1%
±
2.5 % of I
r
at I
≤
I
r
±
2.5 % of I at I > I
r
Maximum operate time at I > 10
×
I
set
Max. 15ms
-
Dynamic overreach at
τ
< 100 ms
-
< 5%
Содержание REL 501-C1 2.5
Страница 1: ...Technical reference manual Line distance protection terminal REL 501 C1 2 5 ...
Страница 2: ......
Страница 26: ...14 Introduction to the technical reference manual Chapter 1 Introduction ...
Страница 42: ...30 Technical data Chapter 2 General ...
Страница 66: ...54 Blocking of signals during test BST Chapter 3 Common functions ...
Страница 142: ...130 Time delayed overvoltage protection TOV Chapter 6 Voltage ...
Страница 162: ...150 Autorecloser AR Chapter 9 Control ...
Страница 163: ...151 About this chapter Chapter 10 Logic Chapter 10 Logic About this chapter This chapter describes the logic functions ...
Страница 174: ...162 Event function EV Chapter 10 Logic ...
Страница 210: ...198 Serial communication Chapter 12 Data communication ...
Страница 226: ...214 Serial communication modules SCM Chapter 13 Hardware modules ...
Страница 227: ...215 Chapter 14 Diagrams Chapter 14 Diagrams This chapter contains the terminal diagrams for the terminal ...
Страница 229: ...217 Terminal diagrams Chapter 14 Diagrams 1 2 Terminal diagram REL 501 C1 Figure 86 REL 501 C1 ...
Страница 230: ...218 Terminal diagrams Chapter 14 Diagrams Figure 87 REL 501 C1 with DC switch ...
Страница 234: ...222 Terminal diagrams Chapter 14 Diagrams ...
Страница 237: ......