Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in
  • Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: buskos
  • Content: Threads
  • Order by date
  1. buskos

    Autotransformer calculation short circuit impedance

    Hello all: We have a Autotranformer with the data from FAT: Sn=300/300/1MVA, 400/115/10.5kV Connection: Yyod5 Short circuit imepedance: HV-LV u%=12.31 at 300MVA LV-MV, u%=0.28 at 1MVA HV-MV, u%=0.33 at 1MVA LV-MV, u%=84.86at 300MVA HV-MV, u%=100.08at 300MVA For short circuit calculation at...
  2. buskos

    Numerical Diffferential protection

    Dear all Please has any body the book of "Numerical differential protection principles and applications By Gerhard Ziegler
  3. buskos

    settings distance protection and OC protection

    We have two realay protection in HV lines Distance protection and overcurrent protection. The time settings of backup overcurrent protection for earth fualt is 1 sec. During single phase short circuit the trip issue by main distance protection and ARC start in progres. The dead time ARC is 1sec...
  4. buskos

    Settings calculation BB protection HV network

    Please can you inform based on experience settings Id and Istab of BB protection of type relay siprotec Low impedance numerical protection 7SS/ In the substation when there are different ratio of CT from the smalest 200/1A and bigest ratio 2000/1 in bus coupler there will be problem of...

Part and Inventory Search

Back
Top Bottom