ADR233A – Communicable 3 Pole Differential
General Description
ADR233A is a numerical differential transformer protection relay with dual bias characteristic for two winding transformer.
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Numerical 3 Pole Differential Transformer Protection ADR233A Relay
Specifications
- Online display of Phase Current / Differential Current.
- Latching of fault current value
- High Speed operation.
- Operation is based on fundamental frequency value.
- Harmonics restrain for Transformer charging and CT saturation condition.
- Programmable Internal ICT (Interposing CT) ratio to match different transformers having different vector groups.
- Programmable dual bias setting.
- SCADA compatibility. IEC60870-5-103 protocol.
- Latching of Last 5 fault along with date and time stamp.
- 25 Cycle of disturbance record and 100 Event memory.