(Created: Dec 2020) (Last update: April 2023) MiCOM Relays Training Package MICOM P123 protection relay has been made to control and protect current and ground faults for overhead and cable lines, and MICOM P441 is one of the distance relays that’s responsible for protection control and monitoring of transmission lines. Through this course, you can […]
For joining our discussion groups: https://elec-engg.com/whatsapp-group-for-protection-engineers/ – I have set the under-voltage limit at 9.4kV (94kv, pt ratio 11,000/110, But relay trips at 9.47kV. what to do?– Make the vt connection vpp+vr. V peak to peak and v residual. In the configuration choose vpp+vr – can support and provide abb 230kv gis maintenance procedures.– I
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