Section 13
Testing functionality by secondary injection
178
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
1 1
.
V
=
×
×
ts
t RvsZ
,
V
VT p
,
EQUATION14069 V1 EN-US
æ
ReverseX
Ð
=
ç
V
arctan
è
ts
ReverseR
EQUATION14068 V1 EN-US
frequency of V
= 50 Hz
ts
I
CTs
I
I
10459
=
×
=
s
50
50
I
CTp
EQUATION14059 V1 EN-US
∠I
= 0º
50s
frequency of I
= 50 Hz
50s
I
CTs
It
I
10459
=
×
=
tf
fs
I
CTp
EQUATION14062 V1 EN-US
∠I
= 180º
tfs
frequency of I
= 50.5 Hz
tfs
Expected result: the protection function does not issue either start or trip.
After each test it is possible to download and study the related disturbance recording.
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
0 1
.
1 1 5899
.
47 02
.
V
=
×
×
=
13 8
.
ö
æ
29.60
÷
-
° =
ç
180
arctan
ø
è
0.29
1
= .
1 162
A
×
9000
1
1 162
.
A
×
=
9000
1MRK 502 073-UUS A
ö
÷
-
° = -
°
180
90.56
ø
GUID-7C9F1163-0186-41DA-9D5F-DDA589323B9F v1
Commissioning manual
(Equation 73)
(Equation 74)
(Equation 75)
(Equation 76)