ABB REF615 Applications Manual page 23

Feeder protection and control
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1MRS756378 D
Table 2:
Standard configurations
Description
Non-directional overcurrent and directional earth-fault protection
Non-directional overcurrent and non-directional earth-fault protection
Non-directional overcurrent and directional earth-fault protection with phase-voltage based measurements
Directional overcurrent and earth-fault protection with phase-voltage based measurements, undervoltage and overvoltage
protection
Table 3:
Supported functions
Functionality
Protection
Three-phase non-directional overcurrent, low-set stage
Three-phase non-directional overcurrent, high-set stage, instance 1
Three-phase non-directional overcurrent, high-set stage, instance 2
Three-phase non-directional overcurrent, instantaneous stage
Three-phase directional overcurrent, low-set stage, instance 1
Three-phase directional overcurrent, low-set stage, instance 2
Three-phase directional overcurrent, high-set stage
Directional earth-fault, low-set stage, instance 1
Directional earth-fault, low-set stage, instance 2
Directional earth-fault, high-set stage
Non-directional (cross country) earth fault, using calculated Io
Transient/intermittent earth fault
Non-directional earth fault, low-set stage
Non-directional earth fault, high-set stage
Non-directional earth fault, instantaneous stage
Non-directional sensitive earth fault
Negative-sequence overcurrent, instance 1
Negative-sequence overcurrent, instance 2
Phase discontinuity
Thermal overload
Circuit-breaker failure
Three-phase overvoltage, instance 1
Three-phase overvoltage, instance 2
Three-phase overvoltage, instance 3
Positive-sequence undervoltage
Negative-sequence overvoltage
Residual overvoltage, instance 1
Residual overvoltage, instance 2
Residual overvoltage, instance 3
Table continues on next page
REF615
Application Manual
A
B
C
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Section 2
REF615 overview
Std. conf.
A and B
C and D
E
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D
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F
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17

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