ABB REG670 2.0 IEC Commissioning Manual page 143

1MRK502053-UEN B
Generator protection REG670 2.0 IEC
Commissioning manual
Testing functionality by secondary injection
frequency of V = 50 Hz
ts
I = 0 A
50s
I = 0 A
tfs
• State 2: main test step.
Define the following three-phase symmetrical quantities (the phase angle is
related to phase L1):
V
VT s ,
V 0 9 . V
= × ×
ts t RvsZ ,
V
VT p ,
EQUATION14067 V1 EN
æ
ReverseX
Ð =
ç
V arctan
è
ts
ReverseR
EQUATION14068 V1 EN
frequency of V = 50 Hz
ts
I
CTs
I I 10459
= × =
50 s 50
I
CTp
EQUATION14059 V1 EN
∠I
= 0º
50s
frequency of I = 50 Hz
50s
I
CTs
It I 10459
= × =
tf
fs
I
CTp
EQUATION14062 V1 EN
∠I
= 180º
tfs
frequency of I = 50.5 Hz
tfs
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
VT s ,
V 1 1 . V
= × ×
ts t RvsZ
,
V
VT p ,
EQUATION14069 V1 EN
0 1 .
0 9 5899 . 38 47 .
= × × =
13 8 .
ö æ
29.60
- ° =
÷ ç
180 arctan
ø è
0.29
1
= . 1 162 A
×
9000
1
1 162 . A
× =
9000
0 1 .
1 1 5899 . 47 02 .
= × × =
13 8 .
Section 12
V
ö
- ° = - °
÷
180 90.56
ø
V
(Equation 63)
(Equation 64)
(Equation 65)
(Equation 66)
(Equation 67)
137