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Power Automation and Protection Division
The REL 352 should not trip.
9.
Out of Step System Functional Tests
For systems equipped with OST logic the following settings may be used to check the OST logic in REL 352:
NOTE:
REL 352 Version 1.00
V
CA
Va = 35 ∠0
Vb = 69 ∠-120
Vc = 35 ∠+120
PANG
=
65
GANG
=
65
ZR
=
3.0
BKUP
=
OUT
LOPB
=
NO
FDOP
=
IN
FDOG
=
IN
DIRU
=
ZSEQ
IOM
=
0.5
TOG
=
BLK
Z2P
=
8.5
T2P
=
0.1
Z2GF
=
6.5
Z2GR
=
0.01
These tests are optional and require programing Computer Aided, Multi-amp
or Doble test equipment.:
V (Volts)
Va = 69 ∠0
Vb = 69 ∠-120
1
Vc = 69 ∠+120
Va = 20 ∠0
Vb = 20 ∠-120
2
Vc = 20 ∠+120
Va = 20 ∠0
Vb = 20 ∠-120
3
Vc = 20 ∠+120
Va = 20 ∠0
Vb = 20 ∠-120
4
Vc = 20 ∠+120
Va = 69 ∠0
Vb = 69 ∠-120
5
Vc = 69 ∠+120
I
Ia = 4 ∠+75
Ib = 0
Ic = 4∠-105
T2G
=
0.1
Z3P
=
11.0
T3P
=
.2
Z3GF
=
11.0
Z3GR
=
0.01
T3G
=
.2
OST
=
WAYO
OSB
=
BOTH
RT
=
2.0
RU
=
4.0
OST1
=
2
OST2
=
3
OST3
=
3
OSOT
=
100
I (Amps)
Ia = 5 ∠-5
Ib = 5∠-125
Ic = 5∠+115
Ia = 4.5 ∠-25
Ib = 4.5∠-145
Ic = 4.5∠+95
Ia = 6 ∠-65
Ib = 6∠+175
Ic = 6∠+55
Ia = 4 ∠-100
Ib = 4∠+140
Ic = 4∠+20
Ia = 6.5 ∠-105
Ib = 6.5∠+135
Ic = 6.5∠+15
I.L. 40-201.9
A
P
P
E
N
D
I
X
I
I-9
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