ABB RES670 2.1 Commissioning Manual page 116

Section 11
Testing functionality by secondary injection
110
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 1 1 . V
= × ×
ts t FwdZ ,
V
VT p ,
EQUATION14057 V1 EN

ForwardX
∠ =
V arctan 
ts

ForwardR
EQUATION14058 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 = 49.5 Hz
tfs
Expected result: the protection function does not issue either start or trip.
The trajectory of the impedance traverses the lens characteristic in zone 2
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 0 9 . V
= × ×
ts t FwdZ ,
V
VT p ,
EQUATION14063 V1 EN
0 1 .
1 1 11931 . 95 1 . V
= × × =
13 8 .
  
59 33 .
 =  =
arctan  82. . 14°
  
8 19 .
1
= . 1 162 A
×
9000
1
1 162 . A
× =
9000
0 1 .
0 9 11931 . 77 81 .
= × × =
13 8 .
1MRK 511 366-UUS -
V
Commissioning manual
(Equation 23)
(Equation 24)
(Equation 25)
(Equation 26)
(Equation 27)