0)
~'
''''''
Test Report
for
Distance Relay Type LZ91
ASEA BROWN BOVERI
Station:
Line: Relay No.:
Code No.
EW91
.................................
Kl91
.................
"
.......................
UN
=
.........................
JY.J.
Iw
=
................................
{~).
..
m1
=
··································
N 1 =
.........................................
X1
=
......................................
C:O/PhJ
m2
=
..................................
N2
=
.........................................
X2
=
......................................
(D/Ph
J
m3
=
..................................
N3
=
.........................................
X3
=
......................................
[D/Ph]
lk o I x
0,
1 =
..................
f k 0 x (-20°) =
..................
R/X =
....................................................
Relay test
Starting units Measuring
unit
[Q/Ph]
Fault
IPhase
[A]
I i:
[A]
*
1st zone
2nd.zone
3rd zone
overreach
specified
measured specified
measured specified
measured
specified
measured
specified
measured specified measured
R - 0
I
s - 0
I
- -
-
- -
-
T - 0
-
-
-
- -
-
R - T
-
-
-
I
-
- -
-
-
-
-
S - R
- - -
-
-
-
- -
-
-
T - S - -
-
-
Time steps Operating time t [
s]
Test impedance
1st zone 2nd zone
3rd
zone
4th
zone Overreach 1
(0)
[Q/Ph1
specified
measured specified
measured· specified
measured·
specified
measured specified measured
R - 0
T - S
-
-
-
-
-
-
-
-
Grading table dated:
lPh
x
0,1
IN=
.........................
[A]
t1 =
............................................
[ s J
t2 =
............................................
[s]
t3 =
............................................
[s]
t4
=
............................................
[s
J
PCB
settings
1 :
Mode
1
.J....
D
1
2
!:::..
D Selection logic .........
6a :
1
Y(
0,2
t1
0
6b
:
1
kt
=
0,1
0,
2
kt
= 1
D
1
:
1
t 4
__.,..
o.
2
t4
........
o
o,
2
Ozone
....
Ba
:
1
Bb
t~
Bb
:
1
-I
0
1
2
-I
D
at
HESG
4407
0
(Print
8)
Bi:
11;=
,2t':J
0 zone
....
8b
:
1
r+==.-..1
D,
2
PUTT
D
Overcurrent starting:
Ir
I
Ph
-
......................
Overreach:
....................
x x 1
Reactance slope
50
D, other angles
.............
* Only for mode
!:::..
Remarks:
Circuit-breaker:
Ancillary equipment:
Tested by:
V.t's:
Date:
83-01-21
~'Lo.
I
~I
SK
-
HESG
5001
C.t's:
Signed:
~
..
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