ABB RELION REG670 Commissioning Manual page 143

Generator protection
Hide thumbs Also See for RELION REG670:
Table of Contents

Advertisement

1MRK 502 067-UEN B
V
ts
EQUATION14057 V1 EN-US
V
EQUATION14058 V1 EN-US
frequency of V
I
50
s
EQUATION14059 V1 EN-US
I
50s
frequency of
It
fs
EQUATION14062 V1 EN-US
I
tfs
frequency of
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
ts
EQUATION14063 V1 EN-US
V
EQUATION14058 V1 EN-US
frequency of V
I
s
50
EQUATION14059 V1 EN-US
I
50s
frequency of
It
fs
EQUATION14062 V1 EN-US
I
tfs
Commissioning manual
V
VT s
,
V
1 1
.
1 1 11931
.
=
×
×
=
×
t FwdZ
,
V
VT p
,
ForwardX
arctan
=
 =
ts
ForwardR
= 50 Hz
ts
I
1
CTs
I
10459
=
×
=
×
50
I
9000
CTp
= 0º
I
= 50 Hz
50s
I
1
CTs
I
10459
=
×
=
×
tf
I
9000
CTp
= 180º
I
= 49.5 Hz
tfs
V
VT s
,
0 9
.
V
0 9 11931
.
=
×
×
=
×
t FwdZ
,
V
VT p
,
ForwardX
arctan
=
 =
ts
ForwardR
= 50 Hz
ts
I
1
CTs
I
10459
=
×
=
×
50
I
9000
CTp
= 0º
I
= 50 Hz
50s
I
1
CTs
I
10459
=
×
=
×
tf
I
9000
CTp
= 0º
0 1
.
V
95 1
.
×
=
13 8
.
59 33
.
arctan
82. . 14°
 =
8 19
.
= .
1 162
A
1 162
.
A
=
0 1
.
77 81
.
V
×
=
13 8
.
59 33
.
arctan
82. . 14°
 =
8 19
.
= .
1 162
A
1 162
.
A
=
Testing functionality by secondary injection
(Equation 23)
(Equation 24)
(Equation 25)
(Equation 26)
GUID-9F0FE404-6D83-4308-9FE4-13259CE7D07A v1
GUID-700F4EA1-B7D9-4B77-829A-433BB67C8A01 v1
(Equation 27)
(Equation 28)
(Equation 29)
(Equation 30)
Section 12
137

Advertisement

Table of Contents
loading

This manual is also suitable for:

Relion 670 series

Table of Contents