Hitachi Relion RES670 Commissioning Manual page 109

1MRK 511 409-UUS Rev. K
V
=
ts
EQUATION14067 V1 EN-US
Ð
V
EQUATION14068 V1 EN-US
frequency of V
I
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
=
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
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.
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
=
ts
EQUATION14069 V1 EN-US
Phasor measurement unit RES670
Commissioning manual
V
VT s ,
0 9 . 0 9 5899 .
V
× × = ×
,
t RvsZ
V
VT p ,
æ ö
ReverseX
= ç ÷ -
arctan 180
è ø
ts
ReverseR
= 50 Hz
ts
= 0 A
V
VT s ,
0 9 . 0 9 5899 .
V
× × = ×
t RvsZ ,
V
,
VT p
æ ö
ReverseX
= ç ÷ -
arctan 180
è ø
ts
ReverseR
= 50 Hz
ts
1
I
CTs
I 10459
= × = ×
50
9000
I
CTp
= 0º
= 50 Hz
50s
I 1
CTs
I 10459
= tf × = ×
I 9000
CTp
= 180º
= 50.5 Hz
tfs
V
,
VT s
1 1 . 1 1 5899 .
V
× × = ×
t RvsZ ,
V
,
VT p
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0 1 .
38 47 .
V
× =
13 8 .
æ ö
29.60
° = ç ÷ -
arctan 180
è ø
0.29
0 1 .
38 47 .
V
× =
13 8 .
æ ö
29.60
° = ç ÷ -
arctan 180
è ø
0.29
= . 1 162 A
1 162 . A
=
0 1 .
47 02 .
V
× =
13 8 .
Testing functionality by secondary injection
° = - °
90.56
° = - °
90.56
GUID-189FECED-12A7-4A41-BCCF-D93C0FF9FA41 v1
GUID-448D5357-6CC2-438E-83CA-25FD381B7DFF v1
Section 11
(Equation 61)
(Equation 62)
(Equation 63)
(Equation 64)
(Equation 65)
(Equation 66)
(Equation 67)
103