ABB RET615 Product Manual page 5
Relion 615 series.
transformer protection and control
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ABB
Transformer Protection and Control
RET615
Product version: 2.0
Table 2. Supported functions, continued
Functionality
Arc protection, instance 3
Control
Circuit-breaker control with interlocking
Disconnector position indication, instance 1
Disconnector position indication, instance 2
Disconnector position indication, instance 3
Earthing switch indication
Tap changer position indication
Condition monitoring
Circuit-breaker condition monitoring
Trip circuit supervision, instance 1
Trip circuit supervision, instance 2
Measurement
Disturbance recorder
Three-phase current measurement, instance 1 (HV side)
Three-phase current measurement, instance 2 (LV side)
Sequence current measurement (HV side)
Residual current measurement, instance 1 (HV side)
Residual current measurement, instance 2 (LV side)
● = included, o = optional at the time of order
1) Note that all directional protection functions can also be used in non-directional mode.
1MRS756891 B
Issued: 01.10.2009
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5
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