tMin
tCutOff
tMax
i>
IBase
t (s)
I (A)
-
÷
ø
ö
ç
è
æ
=
1
2
1
IBase
I
k
op
t
IEC12000009-1-en.vsd
IEC12000009 V1 EN
t_MinTripDelay
tCutOff
t_MaxTripDelay
IPickup
IBase
t(s)
I(A)
1
2
IBase
I
TD1
tr
t
ANSI12000009-1-en.vsd
ANSI12000009 V1 EN
Figure 215:
Operating characteristic for overload function
it is possible to define the maximum (
tMax
) and minimum
(
tMin
) operate time for the function regardless of the level of the measured current. In
1MRK502052-UEN B
Section 8
Current protection
459
Technical manual
Summary of Contents for Relion REG670
Page 1: ...Relion 670 series Generator protection REG670 2 0 IEC Technical manual ...
Page 2: ......
Page 44: ...38 ...
Page 58: ...52 ...
Page 80: ...74 ...
Page 106: ...100 ...
Page 482: ...476 ...
Page 548: ...542 ...
Page 570: ...564 ...
Page 600: ...594 ...
Page 608: ...602 ...
Page 630: ...624 ...
Page 862: ...856 ...
Page 1094: ...1088 ...
Page 1226: ...1220 ...
Page 1250: ...1244 ...
Page 1297: ...1291 ...