ABB RELION REG670 Commissioning Manual page 150

Generator protection
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Section 12
Testing functionality by secondary injection
State 2: main test step.
Define the following three-phase symmetrical quantities (the phase angle is related to
phase L1):
V
ts
EQUATION14067 V1 EN-US
Ð
V
EQUATION14068 V1 EN-US
frequency of V
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: 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
Preliminary steady state test at 50 Hz
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
ts
EQUATION14069 V1 EN-US
Ð
V
EQUATION14068 V1 EN-US
frequency of V
I
50
s
EQUATION14059 V1 EN-US
I
50s
frequency of
144
V
VT s
,
0 9
.
V
0 9 5899
.
=
×
×
=
×
t RvsZ
,
V
VT p
,
æ
ö
ReverseX
=
ç
÷
-
arctan
è
ø
ts
ReverseR
= 50 Hz
ts
I
1
CTs
I
10459
=
×
=
×
50
I
9000
CTp
= 0º
= 50 Hz
50s
I
1
CTs
I
10459
=
×
=
×
tf
I
9000
CTp
= 180º
= 50.5 Hz
tfs
V
VT s
,
1 1
.
V
1 1 5899
.
=
×
×
=
×
t RvsZ
,
V
VT p
,
æ
ö
ReverseX
=
-
ç
÷
arctan
è
ø
ts
ReverseR
= 50 Hz
ts
I
1
CTs
I
10459
=
×
=
×
50
I
9000
CTp
= 0º
I
= 50 Hz
50s
0 1
.
38 47
.
V
×
=
13 8
.
æ
ö
29.60
° =
ç
÷
-
180
arctan
180
è
ø
0.29
= .
1 162
A
1 162
.
A
=
0 1
.
47 02
.
V
×
=
13 8
.
æ
ö
29.60
° =
-
ç
÷
180
arctan
180
è
ø
0.29
= .
1 162
A
1MRK 502 067-UEN B
° = -
°
90.56
GUID-189FECED-12A7-4A41-BCCF-D93C0FF9FA41 v1
GUID-448D5357-6CC2-438E-83CA-25FD381B7DFF v1
° = -
°
90.56
Commissioning manual
(Equation 63)
(Equation 64)
(Equation 65)
(Equation 66)
(Equation 67)
(Equation 68)
(Equation 69)

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