Supported Functions - ABB RET620 Product Manual

Transformer Protection and Control
RET620
Product version: 2.0
Table 1. Supported functions
Functionality
Protection
Three-phase non-directional overcurrent protection, low stage, instance 1
Three-phase non-directional overcurrent protection, low stage, instance 2
Three-phase non-directional overcurrent protection, high stage, instance 1
Three-phase non-directional overcurrent protection, high stage, instance 2
Three-phase non-directional overcurrent protection, instantaneous stage, instance 1
Three-phase non-directional overcurrent protection, instantaneous stage, instance 2
Three-phase directional overcurrent protection, low stage, instance 1
Three-phase directional overcurrent protection, high stage, instance 1
Non-directional earth-fault protection, low stage, instance 1
Non-directional earth-fault protection, low stage, instance 2
Non-directional earth-fault protection, high stage, instance 1
Non-directional earth-fault protection, high stage, instance 2
Directional earth-fault protection, low stage, instance 1
Directional earth-fault protection, low stage, instance 2
Directional earth-fault protection, high stage, instance 1
Negative-sequence overcurrent protection, instance 1
Negative-sequence overcurrent protection, instance 2
Residual overvoltage protection, instance 1
Residual overvoltage protection, instance 2
Residual overvoltage protection, instance 3
Three-phase undervoltage protection, instance 1
Three-phase undervoltage protection, instance 2
Three-phase undervoltage protection, instance 3
Three-phase overvoltage protection, instance 1
Three-phase overvoltage protection, instance 2
Three-phase overvoltage protection, instance 3
Positive-sequence undervoltage protection, instance 1
Positive-sequence undervoltage protection, instance 2
Negative-sequence overvoltage protection, instance 1
Negative-sequence overvoltage protection, instance 2
Frequency protection, instance 1
Frequency protection, instance 2
Frequency protection, instance 3
Voltage per hertz protection, instance 1
Voltage per hertz protection, instance 2
ABB
1MRS757846 A
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