ABB REF615 Applications Manual page 35
Feeder protection and control
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Also See for REF615:
- Applications manual (404 pages) ,
- Operation manual (126 pages) ,
- Product manual (57 pages)
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1MRS756378 D
Functionality
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
Three-phase undervoltage, instance 1
Three-phase undervoltage, instance 2
Three-phase undervoltage, instance 3
Three-phase inrush current detection
Arc protection with three sensors
Control
Circuit breaker control with basic interlocking
Circuit breaker control with extended interlocking
Auto-reclosing of one circuit breaker
Supervision and monitoring
Fuse failure supervision
Current circuit supervision
Circuit breaker condition monitoring
Trip-circuit supervision of two trip circuits
Disconnector position indication
Earthing switch position indication
Measurement
Transient disturbance recorder
Three-phase current
Current sequence components
Three-phase voltage
Voltage sequence components
Residual current
Table continues on next page
REF615
Application Manual
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Section 3
REF615 variants
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