[[https://www.enwl.co.uk/globalassets/get-connected/cic/icpsidnos/g81-library/1---design--planning/5-design--planning/epd350---protection-for-132kv-33kv-and-116.6kv-systems.pdf|Electrical protection for distribution lines]]

[[https://www.researchgate.net/profile/Mehmet_Rida_Tur/publication/320057590_Protection_Coordination_Practice_in_Electrical_Substation_Part-1_Overcurrent_and_Earth_Fault_Protection/links/5a47b33aaca272d2945fc1bc/Protection-Coordination-Practice-in-Electrical-Substation-Part-1-Overcurrent-and-Earth-Fault-Protection.pdf|Electrical protection for substations]]


{{ :protectioncoordinationpracticeinelectricalsubstationpart-1overcurrentandearthfaultprotectioncasestudyofsiddikkardeslersubstationsksistanbulturkey281488-380291.pdf |Electrical protection for substations}}