ABB REG670 Commissioning Manual page 178

Relion 670 series, generator protection
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Section 13
Testing functionality by secondary injection
172
I
CTs
It
I
10459
=
×
=
tf
fs
I
CTp
EQUATION14062 V1 EN-US
∠I
= 180º
tfs
frequency of I
= 49.5 Hz
tfs
Expected result: start of the protection function and trip in zone 2 when trip
conditions are fulfilled.
The trajectory of the impedance traverses the lens characteristic in zone
1
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 RZ
,
1
V
VT p
,
EQUATION14066 V1 EN-US
ForwardX
V
arctan
=
ts
ForwardR
EQUATION14058 V1 EN-US
frequency of V
= 50 Hz
ts
I
I
I
CTs
10459
=
×
=
50
s
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
= 0º
tfs
frequency of I
= 50 Hz
tf
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
1
1 162
.
A
×
=
9000
0 1
.
0 9 1435
.
9 36
.
V
=
×
×
=
13 8
.
59 33
.
arctan
82. . 14°
 =
 =
8 19
.
1
= .
1 162
A
×
9000
1
1 162
.
A
×
=
9000
1MRK 502 073-UUS A
(Equation 46)
GUID-12F82DD8-A4CE-48C9-944B-0CF3B3F6C9F9 v1
GUID-AA953F5F-2389-4F05-8BBD-D8DC9AF3B0E4 v1
(Equation 47)
(Equation 48)
(Equation 49)
(Equation 50)
Commissioning manual

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