6F2S1915 (0.46)
GRZ200 (Soft 031 & 032)
- 47 -
Va = (R
1
+ j X
1
)Ia +
(R
0
R
1
) + j(X
0
X
1
)
I
0
+ (R
𝑜𝑚
+ j X
𝑜𝑚
) I
𝑜𝑚
= R
1
(I
𝑎
+
𝑅
0
− 𝑅
1
𝑅
1
I
0
+
𝑅
0
𝑚
𝑅
1
I
𝑜𝑚
) + 𝑗𝑋
1
(𝐼𝑎
+
𝑋
0
− 𝑋
1
𝑋
1
I
0
+
𝑋𝑚
𝑋
1
I
𝑜𝑚
)
(2.1-33)
In the relay, the voltage is compensated independently for resistance and reactance
components as shown in equation (2.1-33) instead of equation (2.1-32).
VaR + jVaX =
R1( IaR +
𝐾𝑟𝑠
100
− 1
3
3I0R
+
𝐾𝑟𝑚
100
3
3𝐼
𝑜𝑚𝑅
)
X1( IaX
+
𝐾𝑥𝑠
100
− 1
3
3I
0X
+
𝐾𝑥𝑚
100
3
3I
0mX
)
+ j
R1( IaX +
𝐾𝑟𝑠
100
− 1
3
3I
0X
+
𝐾𝑟𝑚
100
3
3I
0mX
) + X1( IaR
+
𝐾𝑥𝑠
100
− 1
3
3I
0R
+
𝐾𝑥𝑚
100
3
3I
0mR
)
(2.1-34)
where,
Kxs:
compensation factor (Kxs = X0/X1 × 100)
Krs:
compensation factor (Krs = R0/R1 × 100)
Kxm:
compensation factor (Kxm = Xom/X1 × 100)
Krm:
compensation factor (Krm = Rom/R1 × 100)
X:
imaginary part of the measured impedance
R:
real part of the measured impedance
VaX:
imaginary part of phase “a” voltage
VaR:
real part of phase “a” voltage
IaX:
imaginary part of phase “a” current
IaR:
real part of phase “a” current
I
0X
:
imaginary part of zero-sequence current of the protected line
I
0R
:
real part of zero-sequence current of the protected line
I
omX
:
imaginary part of zero-sequence current of the adjacent line
I
omR
:
real part of zero-sequence current of the adjacent line
Содержание GR 200 Series
Страница 1047: ...6F2S1915 0 46 GRZ200 Soft 031 032 1026 Figure 8 3 4 Screen shot from GR TIEMS ...
Страница 1354: ...6F2S1915 0 46 GRZ200 Soft 031 032 1333 Appendix 1 Signal list for common function ...
Страница 1369: ...6F2S1915 0 46 GRZ200 Soft 031 032 1348 Unit mm Panel cut out for 1 2 case size Figure 2 2 3 Panel cutout figure 1 2 size case ...
Страница 1410: ...6F2S1915 0 46 GRZ200 Soft 031 032 1389 This page is intentionally blank ...
Страница 1480: ...6F2S1915 0 46 GRZ200 Soft 031 032 1459 Appendix 6 Ordering ...
Страница 1497: ...6F2S1915 0 46 GRZ200 Soft 031 032 1476 Appendix 7 Technical data ...
Страница 1518: ...6F2S1915 0 46 GRZ200 Soft 031 032 1497 Appendix 8 Manufacture setting ...
Страница 1520: ...6F2S1915 0 46 GRZ200 Soft 031 032 1499 Appendix 9 Matrix between VCT terminals and relay applications ...
Страница 1523: ...6F2S1915 0 46 GRZ200 Soft 031 032 1502 Appendix 10 CT requirement ...
Страница 1531: ...6F2S1915 0 46 GRZ200 Soft 031 032 1510 Appendix 12 Engineering exercise ...
Страница 1563: ......