All three zones can be individually definite time delayed.
A load encroachment characteristic is available for the third zone as shown in figure
.
IEC07000117-2-en.vsd
jX
Operation area
Operation area
R
Operation area
No operation area
No operation area
IEC07000117 V2 EN
Figure 65:
Load encroachment influence on the offset mho Z3 characteristic
7.2.3
Function block
ANSI10000122-2-en.vsd
ZGCPDIS (21G)
I3P*
V3P*
BLOCK
BLKZ
LDCND
TRIP
TRZ1
TRZ2
TRZ3
PICKUP
PU_Z1
PU_Z2
Z3_PU
ANSI10000122 V2 EN
Figure 66:
ZGCPDIS (21G) function block
Section 7
1MRK 502 048-UUS A
Impedance protection
160
Technical manual
Содержание 650 series
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