Overview
“Distance measuring zone, quadrilateral characteristic for series compensated lines (ZMCPDIS)” function has functionality for load encroachment which increases the possibility to detect high resistive faults on heavily loaded lines.
For more detailed information on “Distance measuring zone, quadrilateral characteristic for series compensated lines (ZMCPDIS)” function, refer to ABB, Relion 670 Series manuals.
To see other supported functions, click here.
Function Identification
| Function description | IEC 61850 identification |
IEC 60617 identification |
ANSI/IEEE C37.2 device number |
| Distance measuring zone, quadrilateral characteristic for series compensated lines (zone 1) | ZMCPDIS | Z< | 21 |
| Distance measuring zone, quadrilateral characteristic for series compensated lines (zone 2-5) | ZMCAPDIS | Z< | 21 |
| Directional impedance quadrilateral, including series compensation | ZDSRDIR | Z<-> | 21D |
Signals & Setting Parameters
ZMCPDIS function block
ZMCPDIS Input signals
| ZMCPDIS Input signals | |||
| Name | Type | Default | Description |
| I3P | GROUP SIGNAL | – | Group signal for current input |
| U3P | GROUP SIGNAL | – | Group signal for voltage input |
| BLOCK | BOOLEAN | 0 | Block of function |
| VTSZ | BOOLEAN | 0 | Blocks all output by fuse failure signal |
| BLKTR | BOOLEAN | 0 | Blocks all trip outputs |
| STCND | INTEGER | 0 | External start condition (loop enabler) |
| DIRCND | INTEGER | 0 | External directional condition |
ZMCPDIS Output signals
| ZMCPDIS Output signals | |||
| Name | Type | Description | |
| TRIP | BOOLEAN | General Trip, issued from any phase or loop | |
| TRL1 | BOOLEAN | Trip signal from phase L1 | |
| TRL2 | BOOLEAN | Trip signal from phase L2 | |
| TRL3 | BOOLEAN | Trip signal from phase L3 | |
| START | BOOLEAN | General Start, issued from any phase or loop | |
| STL1 | BOOLEAN | Start signal from phase L1 | |
| STL2 | BOOLEAN | Start signal from phase L2 | |
| STL3 | BOOLEAN | Start signal from phase L3 | |
| STND | BOOLEAN | Non-directional start, issued from any phase or loop | |
ZMCPDIS Group settings (basic)
| ZMCPDIS Group settings (basic) | |||||
| Name | Values (Range) | Unit | Step | Default | Description |
| Operation | Off On |
– | – | Off | Operation Off / On |
| OperationDir | Non-directional Forward Reverse |
– | – | Forward | Operation mode of directionality NonDir / Forw / Rev |
| OperationPP | Off On |
– | – | On | Operation mode Off / On of Phase- Phase loops |
| X1FwPP | 0.10 – 3000.00 | Ohm/p | 0.01 | 30.00 | Positive sequence reactance reach, Ph-Ph, forward |
| R1PP | 0.01 – 1000.00 | Ohm/p | 0.01 | 5.00 | Positive seq. resistance for characteristic angle, Ph-Ph |
| RFFwPP | 0.10 – 3000.00 | Ohm/l | 0.01 | 30.00 | Fault resistance reach, Ph-Ph, forward |
| X1RvPP | 0.10 – 3000.00 | Ohm/p | 0.01 | 30.00 | Positive sequence reactance reach, Ph-Ph, reverse |
| RFRvPP | 0.10 – 3000.00 | Ohm/l | 0.01 | 30.00 | Fault resistance reach, Ph-Ph, reverse |
| OpModetPP | Off On |
– | – | On | Operation mode Off / On of Zone timer, Ph-Ph |
| tPP | 0.000 – 60.000 | s | 0.001 | 0.000 | Time delay of trip, Ph-Ph |
| OperationPE | Off On |
– | – | On | Operation mode Off / On of Phase- Earth loops |
| X1FwPE | 0.10 – 3000.00 | Ohm/p | 0.01 | 30.00 | Positive sequence reactance reach, Ph-E, forward |
| R1PE | 0.01 – 1000.00 | Ohm/p | 0.01 | 5.00 | Positive seq. resistance for characteristic angle, Ph-E |
| X0PE | 0.10 – 9000.00 | Ohm/p | 0.01 | 100.00 | Zero sequence reactance reach, Ph-E |
| R0PE | 0.01 – 3000.00 | Ohm/p | 0.01 | 47.00 | Zero seq. resistance for zone characteristic angle, Ph-E |
| RFFwPE | 0.10 – 9000.00 | Ohm/l | 0.01 | 100.00 | Fault resistance reach, Ph-E, forward |
| X1RvPE | 0.10 – 3000.00 | Ohm/p | 0.01 | 30.00 | Positive sequence reactance reach, Ph-E, reverse |
| RFRvPE | 0.10 – 9000.00 | Ohm/l | 0.01 | 100.00 | Fault resistance reach, Ph-E, reverse |
| OpModetPE | Off On |
– | – | On | Operation mode Off / On of Zone timer, Ph-E |
| tPE | 0.000 – 60.000 | s | 0.001 | 0.000 | Time delay of trip, Ph-E |
| IMinOpPP | 10 – 1000 | %IB | 1 | 20 | Minimum operate delta current for Phase-Phase loops |
| IMinOpPE | 10 – 1000 | %IB | 1 | 20 | Minimum operate phase current for Phase-Earth loops |
| IMinOpIN | 5 – 1000 | %IB | 1 | 5 | Minimum operate residual current for Phase-Earth loops |
ZMCPDIS Non group settings (basic)
| ZMCPDIS Non group settings (basic) | |||||
| Name | Values (Range) | Unit | Step | Default | Description |
| GlobalBaseSel | 1 – 12 | – | 1 | 1 | Selection of one of the Global Base Value groups |
ZMCAPDIS function block
ZMCAPDIS Input signals
| ZMCAPDIS Input signals | |||
| Name | Type | Default | Description |
| I3P | GROUP SIGNAL | – | Group signal for current input |
| U3P | GROUP SIGNAL | – | Group signal for voltage input |
| BLOCK | BOOLEAN | 0 | Block of function |
| VTSZ | BOOLEAN | 0 | Blocks all output by fuse failure signal |
| BLKTR | BOOLEAN | 0 | Blocks all trip outputs |
| STCND | INTEGER | 0 | External start condition (loop enabler) |
| DIRCND | INTEGER | 0 | External directional condition |
ZMCAPDIS Output signals
| ZMCAPDIS Output signals | |||
| Name | Type | Description | |
| TRIP | BOOLEAN | General Trip, issued from any phase or loop | |
| TRL1 | BOOLEAN | Trip signal from phase L1 | |
| TRL2 | BOOLEAN | Trip signal from phase L2 | |
| TRL3 | BOOLEAN | Trip signal from phase L3 | |
| START | BOOLEAN | General Start, issued from any phase or loop | |
| STL1 | BOOLEAN | Start signal from phase L1 | |
| STL2 | BOOLEAN | Start signal from phase L2 | |
| STL3 | BOOLEAN | Start signal from phase L3 | |
| STND | BOOLEAN | Non-directional start, issued from any phase or loop | |
ZMCAPDIS Group settings (basic)
| ZMCAPDIS Group settings (basic) | |||||
| Name | Values (Range) | Unit | Step | Default | Description |
| Operation | Off On |
– | – | Off | Operation Off / On |
| OperationDir | Non-directional Forward Reverse |
– | – | Forward | Operation mode of directionality NonDir / Forw / Rev |
| OperationPP | Off On |
– | – | On | Operation mode Off / On of Phase- Phase loops |
| X1FwPP | 0.10 – 3000.00 | Ohm/p | 0.01 | 30.00 | Positive sequence reactance reach, Ph-Ph, forward |
| R1PP | 0.01 – 1000.00 | Ohm/p | 0.01 | 5.00 | Positive seq. resistance for characteristic angle, Ph-Ph |
| RFFwPP | 0.10 – 3000.00 | Ohm/l | 0.01 | 30.00 | Fault resistance reach, Ph-Ph, forward |
| X1RvPP | 0.10 – 3000.00 | Ohm/p | 0.01 | 30.00 | Positive sequence reactance reach, Ph-Ph, reverse |
| RFRvPP | 0.10 – 3000.00 | Ohm/l | 0.01 | 30.00 | Fault resistance reach, Ph-Ph, reverse |
| OpModetPP | Off On |
– | – | On | Operation mode Off / On of Zone timer, Ph-Ph |
| tPP | 0.000 – 60.000 | s | 0.001 | 0.000 | Time delay of trip, Ph-Ph |
| OperationPE | Off On |
– | – | On | Operation mode Off / On of Phase- Earth loops |
| X1FwPE | 0.10 – 3000.00 | Ohm/p | 0.01 | 30.00 | Positive sequence reactance reach, Ph-E, forward |
| R1PE | 0.01 – 1000.00 | Ohm/p | 0.01 | 5.00 | Positive seq. resistance for characteristic angle, Ph-E |
| X0PE | 0.10 – 9000.00 | Ohm/p | 0.01 | 100.00 | Zero sequence reactance reach, Ph-E |
| R0PE | 0.01 – 3000.00 | Ohm/p | 0.01 | 47.00 | Zero seq. resistance for zone characteristic angle, Ph-E |
| RFFwPE | 0.10 – 9000.00 | Ohm/l | 0.01 | 100.00 | Fault resistance reach, Ph-E, forward |
| X1RvPE | 0.10 – 3000.00 | Ohm/p | 0.01 | 30.00 | Positive sequence reactance reach, Ph-E, reverse |
| RFRvPE | 0.10 – 9000.00 | Ohm/l | 0.01 | 100.00 | Fault resistance reach, Ph-E, reverse |
| OpModetPE | Off On |
– | – | On | Operation mode Off / On of Zone timer, Ph-E |
| tPE | 0.000 – 60.000 | s | 0.001 | 0.000 | Time delay of trip, Ph-E |
| IMinOpPP | 10 – 1000 | %IB | 1 | 20 | Minimum operate delta current for Phase-Phase loops |
| IMinOpPE | 10 – 1000 | %IB | 1 | 20 | Minimum operate phase current for Phase-Earth loops |
ZMCAPDIS Non group settings (basic)
| ZMCAPDIS Non group settings (basic) | |||||
| Name | Values (Range) | Unit | Step | Default | Description |
| GlobalBaseSel | 1 – 12 | – | 1 | 1 | Selection of one of the Global Base Value groups |
ZDSRDIR function block
ZDSRDIR Input signals
| ZDSRDIR Input signals | |||
| Name | Type | Default | Description |
| I3P | GROUP SIGNAL | – | Group signal for current input |
| U3P | GROUP SIGNAL | – | Group signal for voltage input |
ZDSRDIR Output signals
| ZDSRDIR Output signals | |||
| Name | Type | Description | |
| STFW | BOOLEAN | Start in forward direction | |
| STRV | BOOLEAN | Start in reverse direction | |
| STDIRCND | INTEGER | Binary coded directional information per measuring loop | |
ZDSRDIR Group settings (basic)
| ZDSRDIR Group settings (basic) | |||||
| Name | Values (Range) | Unit | Step | Default | Description |
| OperationSC | NoSeriesComp SeriesComp |
– | – | SeriesComp | Special directional criteria for voltage reversal |
| IMinOpPE | 5 – 30 | %IB | 1 | 5 | Minimum operate phase current for Phase-Earth loops |
| IMinOpPP | 5 – 30 | %IB | 1 | 10 | Minimum operate phase-phase current for Phase-Phase loops |
| ArgNegRes | 90 – 175 | Deg | 1 | 130 | Angle of blinder in second quadrant for forward direction |
| ArgDir | 5 – 45 | Deg | 1 | 15 | Angle of blinder in fourth quadrant for forward direction |
| INReleasePE | 10 – 100 | %IPh | 1 | 20 | 3I0 limit for releasing phase-to-earth measuring loops |
| INBlockPP | 10 – 100 | %IPh | 1 | 40 | 3I0 limit for blocking phase-to-phase measuring loops |
| OperationLdCh | Off On |
– | – | On | Operation of load discrimination characteristic |
| RLdFw | 1.00 – 3000.00 | Ohm/p | 0.01 | 80.00 | Forward resistive reach within the load impedance area |
| RLdRv | 1.00 – 3000.00 | Ohm/p | 0.01 | 80.00 | Reverse resistive reach within the load impedance area |
| ArgLd | 5 – 70 | Deg | 1 | 30 | Load angle determining the load impedance area |
| X1FwPP | 0.50 – 3000.00 | Ohm/p | 0.01 | 40.00 | Positive sequence reactance reach, Ph-Ph, forward |
| R1PP | 0.10 – 1000.00 | Ohm/p | 0.01 | 7.00 | Positive seq. resistance for characteristic angle, Ph-Ph |
| RFFwPP | 0.50 – 3000.00 | Ohm/l | 0.01 | 30.00 | Fault resistance reach, Ph-Ph, forward |
| X1RvPP | 0.50 – 3000.00 | Ohm/p | 0.01 | 40.00 | Positive sequence reactance reach, Ph-Ph, reverse |
| RFRvPP | 0.50 – 3000.00 | Ohm/l | 0.01 | 30.00 | Fault resistance reach, Ph-Ph, reverse |
| X1FwPE | 0.50 – 3000.00 | Ohm/p | 0.01 | 40.00 | Positive sequence reactance reach, Ph-E, forward |
| R1PE | 0.10 – 1000.00 | Ohm/p | 0.01 | 7.00 | Positive seq. resistance for characteristic angle, Ph-E |
| X0FwPE | 0.50 – 9000.00 | Ohm/p | 0.01 | 120.00 | Zero sequence reactance reach, Ph-E, forward |
| R0PE | 0.50 – 3000.00 | Ohm/p | 0.01 | 20.00 | Zero seq. resistance for zone characteristic angle, Ph-E |
| RFFwPE | 1.00 – 9000.00 | Ohm/l | 0.01 | 100.00 | Fault resistance reach, Ph-E, forward |
| X1RvPE | 0.50 – 3000.00 | Ohm/p | 0.01 | 40.00 | Positive sequence reactance reach, Ph-E, reverse |
| X0RvPE | 0.50 – 9000.00 | Ohm/p | 0.01 | 120.00 | Zero sequence reactance reach, Ph-E, reverse |
| RFRvPE | 1.00 – 9000.00 | Ohm/l | 0.01 | 100.00 | Fault resistance reach, Ph-E, reverse |
ZDSRDIR Non group settings (basic)
| ZDSRDIR Non group settings (basic) | |||||
| Name | Values (Range) | Unit | Step | Default | Description |
| GlobalBaseSel | 1 – 12 | – | 1 | 1 | Selection of one of the Global Base Value groups |
ZDSRDIR Monitored data
| ZDSRDIR Monitored data | ||||
| Name | Type | Values (Range) | Unit | Description |
| L1Dir | INTEGER | 1=Forward 2=Reverse 0=No direction |
– | Direction in phase L1 |
| L2Dir | INTEGER | 1=Forward 2=Reverse 0=No direction |
– | Direction in phase L2 |
| L3Dir | INTEGER | 1=Forward 2=Reverse 0=No direction |
– | Direction in phase L3 |
| L1R | REAL | – | Ohm | Resistance in phase L1 |
| L1X | REAL | – | Ohm | Reactance in phase L1 |
| L2R | REAL | – | Ohm | Resistance in phase L2 |
| L2X | REAL | – | Ohm | Reactance in phase L2 |
| L3R | REAL | – | Ohm | Resistance in phase L3 |
| L3X | REAL | – | Ohm | Reactance in phase L3 |
Logics & highlights
The different measuring loops at phase-to-earth fault and phase-to-phase fault
Characteristic for the phase-to-earth measuring loops, ohm/loop domain
Characteristic for the phase-to-phase measuring loops
Fault loop model
Directional operating modes of the distance measuring zone
Setting angles for discrimination of forward and reverse fault
Conditioning by a group functional input signal STCND
Composition of starting signals in non-directional operating mode
Composition of starting signals in directional operating mode
Tripping logic for the distance protection zone one
