ABB
4
Feeder Protection and Control
REF615
Product version: 2.0
1MRS756379 D
Functionality
A
B
C
D
E
F
Protection
Directional earth-fault, low-set stage,
instance 1
•
•
-
-
•
•
Directional earth-fault, low-set stage,
instance 2
•
•
-
-
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•
Directional earth-fault, high-set stage
•
•
-
-
•
•
Non-directional (cross country) earth-fault, us-
ing calculated Io
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•
-
-
•
•
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
-
-
•
•
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-
Negative-sequence overcurrent,
instance 1
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•
•
•
•
•
Negative-sequence overcurrent,
instance 2
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•
•
•
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Phase discontinuity
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•
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Thermal overload
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•
•
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Circuit-breaker failure
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•
•
•
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Three-phase overvoltage, instance 1
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-
-
-
-
•
Three-phase overvoltage, instance 2
-
-
-
-
-
•
Three-phase overvoltage, instance 3
-
-
-
-
-
•
Positive sequence undervoltage
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-
-
-
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•
Negative sequence overvoltage
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-
-
-
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•
Residual overvoltage, instance 1
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-
-
-
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•
Residual overvoltage, instance 2
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-
-
-
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•
Residual overvoltage, instance 3
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-
-
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•
Three-phase undervoltage, instance 1
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-
-
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•
Three-phase undervoltage, instance 2
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-
-
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•
Three-phase undervoltage, instance 3
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-
-
-
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•
Three-phase inrush current detection
•
•
•
•
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Arc protection with three sensors
o
o
o
o
o
o
Control
Circuit breaker control with basic
interlocking
1)
•
•
•
•
•
•
Circuit breaker control with extended
interlocking
2)
-
•
-
•
•
•
Auto-reclosing of one circuit breaker
o
o
o
o
o
o
Supervision and Monitoring
Fuse failure supervision
-
-
-
-
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•
Current circuit supervision
-
-
-
-
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•
Circuit breaker condition monitoring
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•
-
•
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•
Trip-circuit supervision of two trip
circuits
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•
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•
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•
Disconnector position indication
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•
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•
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•
Earthing switch position indication
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•
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•
Содержание relion REF615
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