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  1. ProtectionEngineer

    Hi z bus Ct configuration

    Please see attached file.http://files.engineering.com/getfile.aspx?folder=566d0adf-093e-4675-ae7b-b3b18a17e240&file=PVD11C-get6455.pdf
  2. ProtectionEngineer

    Seeking documentation on impedance grounding systems

    Please see attached file.http://files.engineering.com/getfile.aspx?folder=4d2c115d-ed4c-4d0b-adfe-374841bf5bbb&file=Post-Glover-HR002-05_Hi_Resis_Grounding.pdf
  3. ProtectionEngineer

    Funny Performance Review Comments

    All, Thanks for all your reply. I suggested to Mike just reply to supervisor in a very simple sentenses. "Supervisor's comments are purely unfounded's proofs. These were soley his personal perceptions and speculations. His comments were expressed out of personal frustration due to the fact that...
  4. ProtectionEngineer

    Funny Performance Review Comments

    All, It is odd and funny to see this close-out Performance Review comments. This person is leaving his current supervisor for better opportunity in the same company. I am not sure this supervisor knows what he is writing and back-fired on him. Has anyone of you ever seen this type of comments...
  5. ProtectionEngineer

    Indexing and Searching Files on Personal Drives

    Try this approach. 1. Launch DOS Command Prompt Start/Program/Accessories/Command Prompt 2. Dir C:\Folder-Path /O:N /S /B > C:\MyFolder.txt The Foldername and Filename will be Output to MyFolder.txt file 3. Exit Dos Command Prompt 4. Window Explorer Look for the filename MyFolder.txt 5. Open...
  6. ProtectionEngineer

    excel or software to assist transformer bias differential testing?

    Hi, I got this from Areva and have not use it since 2007. Please try this excel. Alex Leehttp://files.engineering.com/getfile.aspx?folder=a94b2fb0-b54a-4ae7-973a-aaf80cf706a2&file=P633_test_tools-Farhad-Rev-01.xls
  7. ProtectionEngineer

    Negative sequence current calculations

    Try to use this ABC012.exe http://files.engineering.com/getfile.aspx?folder=fa00806a-0e29-4ab3-b3c3-687653f6795f&file=ABC012.exe
  8. ProtectionEngineer

    Voltage Drop Calculations

    Try this Excel Program. Alexhttp://files.engineering.com/getfile.aspx?folder=4bb46bac-07f0-4cc5-af7a-553711bd957c&file=VoltageDropCalculator.xls
  9. ProtectionEngineer

    Vector Group Changing

    Here is the Basler paper on transformer Vector.http://files.engineering.com/getfile.aspx?folder=1920fca7-ed72-4242-b8df-a4e435ca9a3b&file=3phXfmrs.pdf
  10. ProtectionEngineer

    Ungrounded Cap Bank protection

    S&C Type UP Alexhttp://files.engineering.com/getfile.aspx?folder=148f7082-c0ee-4548-b3de-166cc1762377&file=S&C-Type-UP-EDOC_001364.pdf
  11. ProtectionEngineer

    87T Function on T60 Relay

    Pleasr8, Hope this Excel program from GE will help you in your calculations and testing the T60 relay. Thanks. Alex http://files.engineering.com/getfile.aspx?folder=e63dc5b4-3957-4694-b11a-befbff07ae63&file=t60diffsimulation.xls
  12. ProtectionEngineer

    Any preparation done for GIC (Geo-magnetically Induced Currents)?

    Here is the NERC Link for the Electromagnetic Pulse Report of the Commission to Assess the Threat to the United States from Electromagnetic Pulse (EMP) Attack. April 2008. http://www.empcommission.org/docs/A2473-EMP_Commission-7MB.pdf NERC System Disturbance Analysis: 1989 Geomagnetic Storm...
  13. ProtectionEngineer

    Primary Current Injection Test on 67 Relay

    GRAEE, What is your reading on the 67N relay?
  14. ProtectionEngineer

    CT Specification for Transformer Differential Protection

    Here is the NXTPhase CT Saturation Calculator. Thanks Alexhttp://files.engineering.com/getfile.aspx?folder=cf5e19c3-a341-4288-a36e-97f818c4e69b&file=CT_SAT_Calculator-IEEE-Version.xls
  15. ProtectionEngineer

    Electrical Transmission & Distribution Reference Book - Westinghouse

    Try Areva Web site. http://www.areva-td.com/solutions/US_930_NPAG.html Just fill up the form an request Download or CD-ROM. It is Free. " Ordering the NPAG Due to the popularity of this publication, the hard-copy version of the NPAG is no longer available. To receive the NPAG, by download or...
  16. ProtectionEngineer

    negative and zero sequence question

    Please see attached document. Hope this will answer part of your question.http://files.engineering.com/getfile.aspx?folder=b7018ec3-038e-4688-8a3a-7c3201de3a92&file=Fault-Io-Eng-Tips.doc
  17. ProtectionEngineer

    Generator unbalanced current

    Please attach the P633 event and disturbance file if you have. I would like to see the disturbance waveform. Thanks. Alex
  18. ProtectionEngineer

    transformer

    I believed your primary neutral is floating. The secondary no-load voltage is always higher than expected. This is normal. Is your transformer connections is Y-Y. The measured voltage 250V at no-load is due to the third harmonic component. The line-neutral voltage will be reduced to 240V once...
  19. ProtectionEngineer

    Excel - VB - Dtat Tip Window

    I am using Excel 2003 Visual Basic. I would like to know how to activate the "Data Tip Window". I used to have this ( Excel 2000 ) feature activated automatic when I place the cursor on the varible. Can someone show me how to activate this Data Tip feature? Thanks Alex Data Tips Window A box...

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