ABB Relion 670 Series Commissioning Manual page 157

1MRK 506 371-UUS E
Steady voltage and current are applied in order to get a steady high impedance, that is a point
in the plane R-X which is far away from the lens characteristic. 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
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
=
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.
Line distance protection REL670
Commissioning manual
V
VT s ,
0 9 . V 0 9 5899 .
× × = ×
t RvsZ ,
V
,
VT p
æ ö
ReverseX
= -
ç ÷
arctan 180
è ø
ts
ReverseR
= 50 Hz
ts
= 0 A
V
,
VT s
0 9 . 0 9 5899 .
V
× × = ×
,
t RvsZ
V
VT p ,
æ ö
ReverseX
= ç ÷ -
arctan 180
è ø
ts
ReverseR
= 50 Hz
ts
I 1
CTs 10459
I
= × = ×
50
I 9000
CTp
= 0º
= 50 Hz
50s
I 1
CTs 10459
I
= × = ×
tf
I 9000
CTp
= 180º
= 50.5 Hz
tfs
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0 1 .
38 47 . V
× =
13 8 .
æ ö
29.60
° = -
ç ÷
arctan 180
è ø
0.29
0 1 .
38 47 .
V
× =
13 8 .
æ ö
29.60
° = ç ÷ -
arctan 180
è ø
0.29
= . 1 162
A
1 162 .
A
=
Testing functionality by secondary injection
° = - °
90.56
° = - °
90.56
Section 11
(Equation 61)
(Equation 62)
(Equation 63)
(Equation 64)
(Equation 65)
(Equation 66)
151