⎯
340
⎯
6
F
2
S
0
8
3
5
<Accuracy limit factor of CTs is given>
Table K-3.2 CT Requirement defined by n’
Td [ms]
Requirement 1
Requirement 2
35
n’ I
n
≧
3.75
×
I
fmax
n’
I
n
>
Max{I
LMAX
+ I
fmin
/2, I
fmaxout
}
×
18
50
n’ I
n
≧
3.75
×
I
fmax
n’
I
n
>
Max{I
LMAX
+ I
fmin
/2, I
fmaxout
}
×
25
75
n’ I
n
≧
5
×
I
fmax
n’
I
n
>
Max{I
LMAX
+ I
fmin
/2, I
fmaxout
}
×
36
100
n’ I
n
≧
5
×
I
fmax
n’
I
n
>
Max{I
LMAX
+ I
fmin
/2, I
fmaxout
}
×
46
150
n’ I
n
≧
10
×
I
fmax
n’
I
n
>
Max{I
LMAX
+ I
fmin
/2, I
fmaxout
}
×
63
Max {
I
LMAX
+ I
fmin
/2, I
fmaxout
} : The larger of (I
LMAX
+
I
fmin
/2)
and I
fmaxout
.
I
fmin
: Minimum fault current
I
fmaxout
: Maximum out-flowing fault current for the special condition.
Y is determined by the
ratio of the
impedance between node
D to Terminal C and node
D to
Terminal B. If their impedance is assumed to be
p and q respectively, Y can be obtained using the
following
equation.
q
p
q
X
Y
2
2
+
⋅
=
(K-3.2)
For example, Y = X/4, if p=q and Y=X/2, if p=0.
Содержание GRL100-101A
Страница 8: ... 7 6 F 2 S 0 8 3 5 6 7 4 Resumption of Service 220 6 7 5 Storage 220 7 Putting Relay into Service 221 ...
Страница 223: ... 222 6 F 2 S 0 8 3 5 ...
Страница 228: ... 227 6 F 2 S 0 8 3 5 Appendix B Signal List ...
Страница 256: ... 255 6 F 2 S 0 8 3 5 Appendix C Variable Timer List ...
Страница 258: ... 257 6 F 2 S 0 8 3 5 Appendix D Binary Output Default Setting List ...
Страница 269: ... 268 6 F 2 S 0 8 3 5 ...
Страница 270: ... 269 6 F 2 S 0 8 3 5 Appendix E Details of Relay Menu ...
Страница 279: ... 278 6 F 2 S 0 8 3 5 ...
Страница 288: ... 287 6 F 2 S 0 8 3 5 Appendix G Typical External Connection ...
Страница 326: ... 325 6 F 2 S 0 8 3 5 Appendix J Return Repair Form ...
Страница 330: ... 329 6 F 2 S 0 8 3 5 Customer Name Company Name Address Telephone No Facsimile No Signature ...
Страница 331: ... 330 6 F 2 S 0 8 3 5 ...
Страница 332: ... 331 6 F 2 S 0 8 3 5 Appendix K Technical Data ...
Страница 343: ... 342 6 F 2 S 0 8 3 5 ...
Страница 344: ... 343 6 F 2 S 0 8 3 5 Appendix L Symbols Used in Scheme Logic ...
Страница 347: ... 346 6 F 2 S 0 8 3 5 ...
Страница 348: ... 347 6 F 2 S 0 8 3 5 Appendix M Multi phase Autoreclose ...
Страница 351: ... 350 6 F 2 S 0 8 3 5 ...
Страница 352: ... 351 6 F 2 S 0 8 3 5 Appendix N Data Transmission Format ...
Страница 358: ... 357 6 F 2 S 0 8 3 5 Appendix O Example of DIF and DIFG Setting ...
Страница 360: ... 359 6 F 2 S 0 8 3 5 Appendix P Programmable Reset Characteristics and Implementation of Thermal Model to IEC60255 8 ...
Страница 364: ... 363 6 F 2 S 0 8 3 5 Appendix Q IEC60870 5 103 Interoperability ...
Страница 377: ... 376 6 F 2 S 0 8 3 5 ...
Страница 378: ... 377 6 F 2 S 0 8 3 5 Appendix R Failed Module Tracing and Replacement ...
Страница 384: ... 383 6 F 2 S 0 8 3 5 Appendix S PLC Setting Sample ...
Страница 386: ... 385 6 F 2 S 0 8 3 5 Appendix T Ordering ...
Страница 392: ......