Test point
Reach
Value
Comments
5
X
RFPE · tan (ArgLd)
Only when RLdFw < RFPE
R
RFPE
6
X
-0.5 RLdFw · tan (ArgDir)
R
0.5 RLdFw
7
X
0.5 (Z · Sin (LineAng) + KNMag ·
Z · Sin (L KNAng))
Time measurement
R
0
6.3.1.2
Mho characteristics
Phase-to-phase faults
ZAngPP
ZPP
1
2
3
Ohm/phase
R
X
IEC07000009-4-en.vsd
50%
IEC07000009 V4 EN
Figure 11:
Proposed test points for phase-to-phase fault
Table 4:
Test points for phase-to-phase (ohms / phase)
Test
points
reach
Value
Comments
1
X
ZPP · sin(ZAngPP)
R
ZPP · sin(ZAngPP)
2
X
0,5· (ZPP· sin(ZAngPP)
R
0,5·ZPP + ΔR = 0,5·ZPP·(1+cos(ZAngPP))
3
X
0,5·ZPP·sin(ZAngPP)
R
0,5·ZPP - ΔR = 0,5·ZPP(1-cos(ZAngPP))
1MRK 506 331-UUS A
Section 6
Testing functionality
49
Commissioning Manual
Содержание Relion 650 Series REL650
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