Automatic Switch Onto Fault Logic Zcvpsof - ABB RELION REG670 Commissioning Manual

Generator protection
Hide thumbs Also See for RELION REG670:
Table of Contents

Advertisement

Section 12
Testing functionality by secondary injection
I
50
s
EQUATION14059 V1 EN-US
∠I
50s
frequency of I
It
fs
EQUATION14062 V1 EN-US
∠I
tfs
frequency of I
Expected result: the protection function does not issue either start or trip.
After each test it is possible to download and study the related disturbance recording.
2
1
0
1
0
-1
2
1
0
2
1
0
2
1
0
1
0
-1
0
IEC10000142 V1 EN-US
Figure 51:
12.4.12

Automatic switch onto fault logic ZCVPSOF

Prepare the IED for verification of settings as outlined in section
section
The automatic switch onto fault logic function ZCVPSOF is checked using secondary injection
tests together with the Scheme communication logic for distance or overcurrent protection
function and with the dead line detection function (DLD), which is embedded in ZCVPSOF.
146
I
1
I
CTs
10459
=
×
=
×
50
I
9000
CTp
= 0º
= 50 Hz
50s
I
1
I
CTs
10459
=
×
=
×
tf
I
9000
CTp
= 180º
= 50.5 Hz
tfs
COMMON TRIP COMMAND (trip)
GENMODE (generatorMode)
0.5
1
1.5
Boolean output signals for the injected current with two components: a 50 Hz
current component and a 49.5 Hz current component
"Preparing for test"
in this chapter.
A
= .
1 162
A
1 162
.
=
TRIPZ1 (tripZone1)
TRIPZ2 (tripZone2)
START (start)
MOTMODE (motorMode)
2
2.5
3
time in seconds
GUID-7C9F1163-0186-41DA-9D5F-DDA589323B9F v1
3.5
4
4.5
5
IEC10000142-1-en.vsd
"Requirements"
Commissioning manual
1MRK 502 067-UEN B
(Equation 75)
(Equation 76)
M13850-2 v8
and

Advertisement

Table of Contents
loading

This manual is also suitable for:

Relion 670 series

Table of Contents