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  • Users: facetoface
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  1. facetoface

    Low risk

    The advatages and disadvatages of energization from both side
  2. facetoface

    Low risk

    What is the best to do of the energization of power transformer (11/132 KV , 60 MVA) from primary or secondary side at the live busbar.
  3. facetoface

    backup

    Thanks for yoyr repaly if assume the fault occurs , the relay will be immediatlty activated if the fault cuurent less than overload current and the voltage will be become bellow the nominal voltage if the overcurrent has mistake, is this right please
  4. facetoface

    backup

    could any one give me more informatio for 51V relay which is used in generatot back-up protection , as principle and function please , and is there equation specify the inverse relation between Var/V Best regard
  5. facetoface

    turbine

    thanks, but alot of PDF.file have been caused error in download so cannt see your link as advice
  6. facetoface

    turbine

    I cant imagine this answer from engineer , beacuse this forum to exchange the basic and avance idea for all , and sometimes the detail is better than summary and the question better than the answering so let all engineer on all world to be get more idea and more information from this dialoge ...
  7. facetoface

    good question

    thanks gtsim and all , and I think you put good answer for all . for Gtsim your detail open alot of qestion for me how can I see page 388 for your ref:gas turbine theory and good to see this ref and also what is the difference between LP and HP turbine with more science and technical detail please
  8. facetoface

    good question

    Thanks ,gtism , but how the turbine keep this constant and if the load is increase the GG speed go up and the fuel go up and the torque at PT is go up but the speed is constant so I think the torque from generator oppose this increment to keep the PT is constant , is this correct Please
  9. facetoface

    good question

    Thanks, gtism : but there is no any mechanical contact only there is air , and do you mean by pressure ratio the pressure between the exit GG and inlet PT. and be inform that the direction of PT is reverse generatot
  10. facetoface

    good question

    Thnks , but your answer is not talk about the question or not persuded, beacuse I think it related the torque from generator side when it supply excitaion to make balnce of GT torque , but I need to hear from specialist engineer in this field
  11. facetoface

    good question

    Thanks.LP is connected with reduction speed then to generator , and there is separte between two shaft HP ,LP turbine
  12. facetoface

    turbine

    why did you stop , can continue
  13. facetoface

    good question

    We have GT10C double shaft , HP turbine shaft and LP turbine shaft , HP turbine is variable speed and LP is fixed speed the enrgy from HP is transfered to LP turbine , Now when the load go up the speed at HP turbine is go up but LP is fixed , How this LP turbine keep the speed constant in...
  14. facetoface

    turbine

    Thanks. now the turbine consiste of from stages ,and each stage contain nozzel and movable blade in impulse turbine and fixed balde and movable blade in reaction turbine , but that mean the nozzle is exist in any stage as well as the stator exist for any stage ,please specify the location for...
  15. facetoface

    turbine

    again please ,fixed nozle is placed stator and move nozle in rotor , and is the area betwee blade called also nozle
  16. facetoface

    turbine

    rmw , thanks it is good to see your openion and other
  17. facetoface

    turbine

    Yhanks,but we about of fxed and movable nozzel and this is placed only on the stator
  18. facetoface

    rotation speed

    Dear turbo1.,now at engage:Ratch teeth connect with Pawl and in disengag:ratchet teeth is not contact wih pawl
  19. facetoface

    turbine

    thanks , what abour for before question of Nozzel and blade,shroud ,bouket all term required clear please
  20. facetoface

    turbine

    Please, the diff between stator and rotor for both type

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