GEK-98846A
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4. 10. DIRECTION INDICATOR
The MLP has a phase direction indicating unit that provides information of whether
the direction of the current circulating through the line is in the trip direction or the opposite
direction.
The measurement is obtained by measuring the lag between the voltage and the
phase current
The direction indicator is activated when the phase difference between V0 and I0, is
less than 90°
The direction indicator remains deactivated when the phase difference between VØ
and IØ, is greater than 90°.
The measurement updates the actual measurement unit status in 4/5 ms depending
on the frequency (50 or 60 Hz).
When putting the relay into service, this function allows you to check that the
voltages and currents are properly connected.
4.11 MLP STATUS
You can request the MLP status which will provide general information about the
status of the protection, relay model and version, actual values (modules) of the phase
voltages, phase and zero sequence currents (VA, VB, VC, IA, IB, IC, I0) and the date and
time.
The protection status can be requested through the remote communications channel
or through the MMI, in which case the protection will return all of the values and the date
and tine label.
The protection general status information consists of:
* Model and version of the MLP unit.
* Date and time.
* General status of the MLP:
Trip signal:
by ROD.
by LPU.
in Zone 3.
in Zone 2.
in Zone 1.
Protection enabled or disabled.
Recloser status Breaker status.
Phase A direction indicator
Phase B direction indicator.
Phase C direction indicator.
* Voltage and current module
Содержание MLP1000
Страница 94: ...GEK 98846A 93 Figure 1 System diagram with MLP CPR and TTI ...
Страница 95: ...GEK 98846A 94 Figure 2 Case dimensions and drilling form 1 rack ...
Страница 96: ...GEK 98846A 95 Figure 3 1 External Connections MLP1000 ...
Страница 97: ...GEK 98846A 96 Figure 3 2 External Connections MLP1000 ...
Страница 99: ...GEK 98846A 98 Figure 3 4 External Connections MLP1000 ...
Страница 100: ...GEK 98846A 99 Figure 3 5 External Connections MLP2000 ...
Страница 101: ...GEK 98846A 100 Figure 3 6 External Connections MLP2000 ...
Страница 103: ...GEK 98846A 102 Figure 3 8 External Connections MLP2000 ...
Страница 104: ...GEK 98846A 103 Figure 3 9 External Connections MLP3000 ...
Страница 105: ...GEK 98846A 104 Figure 3 10 External Connections MLP3000 ...
Страница 107: ...GEK 98846A 106 Figure 3 12 External Connections MLP3000 ...
Страница 108: ...GEK 98846A 107 Figure 4 Protection Logic ...
Страница 109: ...GEK 98846A 108 Figure 5 1 Trip decision diagram ...
Страница 110: ...GEK 98846A 109 Figure 5 2 Trip decision diagram ...
Страница 111: ...GEK 98846A 110 Figure 5 3 Trip decision diagram ...
Страница 112: ...GEK 98846A 111 Figure 5 4 Trip decision diagram ...
Страница 113: ...GEK 98846A 112 Figure 6 1 Z1X protection scheme ...
Страница 114: ...GEK 98846A 113 Figure6 2 ACCZ2 Protection scheme ...
Страница 115: ...GEK 98846A 114 Figure7 LPU function diagram ...
Страница 116: ...GEK 98846A 115 Figure 8 1 ROD function logic ...
Страница 117: ...GEK 98846A 116 Figure 8 2 ROD function diagram ...
Страница 118: ...GEK 98846A 117 Figure 9 1 DD function logic ...
Страница 119: ...GEK 98846A 118 Figure 9 2 DD function diagram ...
Страница 120: ...GEK 98846A 119 Figure 10 1 FF function logic ...
Страница 121: ...GEK 98846A 120 Figure 10 2 FF function diagram ...
Страница 122: ...GEK 98846A 121 Figure 11 1 Recloser diagram ...
Страница 123: ...GEK 98846A 122 Figure 11 2 Recloser Diagram ...
Страница 124: ...GEK 98846A 123 Figure 11 3 Recloser Diagram ...
Страница 125: ...GEK 98846A 124 Figure 12 Fault selector ...
Страница 126: ...GEK 98846A 125 Figure 13 Menu Tree Diagram ...
Страница 127: ...GEK 98846A 126 Figure 14 MLP3000 Settings and data ...
Страница 128: ...GEK 98846A 127 Figure 15 Connection scheme for relay tests ...
Страница 129: ...GEK 98846A 128 Figure 16 Power swing diagram function ...
Страница 130: ...GEK 98846A 129 Figure 17 Mho Reactance characteristics of the MLP ...