Table 564:
Inverse time characteristics for residual overvoltage protection
Function
Range or value
Accuracy
Type A curve:
=
-
>
>
æ
ö
ç
÷
è
ø
t
k
U
U
U
EQUATION1436-SMALL V1 EN
U> = U
set
U = U
measured
k = (0.05-1.10) in steps of
0.01
±5% +70 ms
Type B curve:
2.0
480
32
0.5
0.035
=
×
-
>
×
-
-
>
æ
ö
ç
÷
è
ø
t
k
U
U
U
EQUATION1437-SMALL V1 EN
k = (0.05-1.10) in steps of
0.01
Type C curve:
3.0
480
32
0.5
0.035
=
×
-
>
×
-
-
>
æ
ö
ç
÷
è
ø
t
k
U
U
U
EQUATION1438-SMALL V1 EN
k = (0.05-1.10) in steps of
0.01
Section 21
1MRK 504 135-UEN A
Time inverse characteristics
634
Technical manual
Содержание ret650
Страница 1: ...Relion 650 series Transformer protection RET650 Technical manual ...
Страница 2: ......
Страница 40: ...34 ...
Страница 62: ...56 ...
Страница 84: ...78 ...
Страница 208: ...202 ...
Страница 353: ...Table 236 Gray code conversion IEC06000523 V1 EN 1MRK 504 135 UEN A Section 12 Control 347 Technical manual ...
Страница 376: ...370 ...
Страница 414: ...408 ...
Страница 530: ...524 ...
Страница 562: ...556 ...
Страница 620: ...614 ...
Страница 668: ...662 ...
Страница 669: ...663 ...