Contents |
Power system fundamental schematics SLD components of Power system Protection system characteristics Reliability, security, dependability selectivity, etc. Zones of protection
Current and potential transformer accuracy classes IEC, IEEE, Difference, equivalency, burden, ILF,
ASF, selection criteria. Relays device Number system. Relay types merit, demerit. Type of fault and calculations without software. Switchgear components, difference CBB and switchgear. Over current protection types, IDMT, DT, IDMT relay IEC curves for setting, IDMT formula IEEE standard, Earth fault protection, Directional over current, Ground / earth fault relay, setting calculations for IDMT Relays commonly used in industry, Differential relay principle, Connection diagrams for OC EF and diff relays with CT actual how to make in field, Distribution transformer protections. |