ADR133A is a numerical transformer differential relay with dual bias characteristic for two winding transformer.
||Dual Bias Differential Protection.
||Non Communicable Numerical Differential relay for two winding transformer.
Numerical 3 Pole Differential Relay : ADR133A
- 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.