frequency of V
ts
= 50 Hz
I
50s
= 0 A
I
tfs
= 0 A
•
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
(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
(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
(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
(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
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
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
(Equation 67)
1MRK 506 355-UEN A
Section 10
Testing functionality by secondary injection
Line distance protection REL670 2.1 IEC
139
Commissioning manual
Summary of Contents for Relion 670 Series REL670
Page 1: ...Relion 670 series Line distance protection REL670 2 1 IEC Commissioning manual ...
Page 2: ......
Page 30: ...24 ...
Page 34: ...28 ...
Page 64: ...58 ...
Page 68: ...62 ...
Page 90: ...84 ...
Page 254: ...248 ...
Page 260: ...254 ...
Page 269: ...263 ...