Test Of The Point Se (R Rvsr , X Rvsx ) - Hitachi RED670 Commissioning Manual

1MRK 505 378-UEN Rev. K
V
ts
EQUATION14066 V1 EN-US
∠
V
EQUATION14058 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.
11.4.12.4 Test of the point SE (R
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
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
Line differential protection RED670
Commissioning manual
V
VT s ,
0 9 . 0 9 1435 .
V
= × × = ×
t RZ , 1
V
,
VT p
 
ForwardX
=  =
arctan 
ts
 
ForwardR
= 50 Hz
ts
I 1
CTs
I 10459
= × = ×
50
9000
I
CTp
= 0º
= 50 Hz
50s
1
I
CTs 10459
I
= × = ×
tf
I 9000
CTp
= 180º
= 49.5 Hz
tfs
RvsR
V
VT s ,
0 9 . V 0 9 5899 .
= × × = ×
t RvsZ ,
V
VT p ,
æ ö
ReverseX
= ç ÷ -
arctan
è ø
ts
ReverseR
= 50 Hz
ts
I 1
CTs
I 10459
= × = ×
50
9000
I
CTp
= 0º
= 50 Hz
50s
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0 1 .
9 36 .
V
× =
13 8 .
 
59 33 .
 =
arctan  82. . 14°
 
8 19 .
= . 1 162 A
1 162 .
A
=
, X )
RvsX
0 1 .
38 47 . V
× =
13 8 .
æ ö
29.60
° = ç ÷ -
180 arctan 180
è ø
0.29
= . 1 162 A
Testing functionality by secondary injection
GUID-335F54E6-52DE-4BF1-A34B-0C2DB8059CC1 v1
GUID-2DD20D2E-6188-4631-A584-5E68B212E011 v1
GUID-7BCF3D7B-1B84-46D4-B9E3-066894A878E8 v1
° = - °
90.56
Section 11
(Equation 56)
(Equation 57)
(Equation 58)
(Equation 59)
(Equation 60)
(Equation 61)
(Equation 62)
145