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Polarised Mho Relay Characteristics Analysis by Pavan Gowda is a document available to read on EtoBox.
1) The author develops a new analysis of the polarized mho distance relay that accounts for phase shifts between the polarizing voltage and fault voltage. This analysis shows the relay has an offset characteristic when faults are unbalanced. 2) The degree of offset is dependent on the ratio of source impedance to line impedance. Test results show the relay has greater reach in the resistive direction than predicted by previous theory, especially for higher source/line impedance ratios. 3) The new analysi
- Author
- Pavan Gowda
- Language
- EN