Earth-Fault Protection; Non-Directional Earth-Fault Protection (F)Efxptoc - ABB RELION REC615 Technical Manual

Grid automation
Hide thumbs Also See for RELION REC615:
Table of Contents

Advertisement

1MRS758755 C
4.1.4.9
Technical data
Table 302: PHPTUC Technical data
Characteristic
Operation accuracy
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode mode ±1.0% of the set value or ±20 ms
4.2

Earth-fault protection

4.2.1

Non-directional earth-fault protection (F)EFxPTOC

4.2.1.1
Identification
Function description
Non-directional earth-fault protec-
tion, low stage
Non-directional earth-fault protec-
tion, high stage
Non-directional earth-fault protec-
tion, instantaneous stage
4.2.1.2
Function block
Figure 138: Function block
REC615 & RER615
Technical Manual
FEFLPTOC
Io
OPERATE
BLOCK
START
ENA_MULT
Value
Depending on the frequency of the current
measured: f
±1.5% of the set value or ±0.002 × I
Typically <55 ms
<40 ms
Typically 1.04
<35 ms
IEC 61850
identification
(F)EFLPTOC
EFHPTOC
EFIPTOC
EFHPTOC
Io
OPERATE
BLOCK
START
ENA_MULT
Protection functions
±2 Hz
n
IEC 60617
ANSI/IEEE C37.2
identification
device number
Io>
51N-1
Io>>
51N-2
Io>>>
50N/51N
EFIPTOC
Io
OPERATE
BLOCK
START
ENA_MULT
n
277

Advertisement

Table of Contents
loading

This manual is also suitable for:

Relion rer615

Table of Contents