•
State 2: main test step.
Define the following three-phase symmetrical quantities (the phase angle is related to
phase L1):
V
V
V
V
V
ts
t RvsZ
VT s
VT p
=
×
×
=
×
×
=
0 9
0 9 5899
0 1
13 8
38 47
.
.
.
.
.
,
,
,
EQUATION14067 V1 EN-US
(Equation 63)
29.60
arctan
180
arctan
180
90.56
0.29
ts
ReverseX
V
ReverseR
Ð
=
-
° =
-
° = -
°
æ
ö
æ
ö
ç
÷
ç
÷
è
ø
è
ø
EQUATION14068 V1 EN-US
(Equation 64)
frequency of V
ts
= 50 Hz
I
I
I
I
A
s
CTs
CTp
50
50
10459
1
9000
1 162
=
×
=
×
=
.
EQUATION14059 V1 EN-US
(Equation 65)
∠I
50s
= 0º
frequency of I
50s
= 50 Hz
It
I
I
I
A
fs
CTs
CTp
tf
=
×
=
×
=
10459
1
9000
1 162
.
EQUATION14062 V1 EN-US
(Equation 66)
∠I
tfs
= 180º
frequency of I
tfs
= 50.5 Hz
Expected result: start of the protection function and trip in zone 1 when trip conditions
are fulfilled.
The trajectory of the impedance does not enter the lens characteristic
GUID-189FECED-12A7-4A41-BCCF-D93C0FF9FA41 v1
Preliminary steady state test at 50 Hz
GUID-448D5357-6CC2-438E-83CA-25FD381B7DFF v1
•
Go to Main menu/Test/Function status/Impedance protection/OutOfStep(78,Ucos)/
OOSPPAM(78,Ucos):1/Outputs to check the available service values of the function block
OOSPPAM.
•
Apply the following three-phase symmetrical quantities (the phase angle is related to
phase L1):
V
V
V
V
V
ts
t RvsZ
VT s
VT p
=
×
×
=
×
×
=
1 1
1 1 5899
0 1
13 8
47 02
.
.
.
.
.
,
,
,
EQUATION14069 V1 EN-US
(Equation 67)
29.60
arctan
180
arctan
180
90.56
0.29
ts
ReverseX
V
ReverseR
Ð
=
-
° =
-
° = -
°
æ
ö
æ
ö
ç
÷
ç
÷
è
ø
è
ø
EQUATION14068 V1 EN-US
(Equation 68)
frequency of V
ts
= 50 Hz
I
I
I
I
A
s
CTs
CTp
50
50
10459
1
9000
1 162
=
×
=
×
=
.
EQUATION14059 V1 EN-US
(Equation 69)
∠
I
50s
= 0º
frequency of
I
50s
= 50 Hz
Section 12
1MRK 502 067-UEN B
Testing functionality by secondary injection
144
Commissioning manual
