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picture1_Analysis Ppt 75640 | Introduction


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File: Analysis Ppt 75640 | Introduction
objectives to model the power system under steady state operating condition to apply numerical methods to solve the power flow problem to model and analyze the system under faulted conditions ...

icon picture PPTX Filetype Power Point PPTX | Posted on 02 Sep 2022 | 3 years ago
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             OBJECTIVES:
     To  model  the  power  system  under  steady  state 
       operating condition.
     To apply numerical methods to solve the power flow 
       problem.
     To  model  and  analyze  the  system  under  faulted 
       conditions.
     To  model  and  analyze  the  transient  behaviour  of 
       power system when it is subjected to a fault.
                                                              2
                           UNIT I 
                     INTRODUCTION 
     Need for system planning and operational studies – 
       basic components of a power system
     Introduction to restructuring 
     Single line diagram – per phase and per unit analysis 
       –  Generator  -  transformer  –  transmission  line  and 
       load representation for different power system studies
       Primitive  network  -  construction  of  Y-bus  using 
       inspection and singular transformation methods – z-
       bus.
                                                               3
                           UNIT II 
                 POWER FLOW ANALYSIS 
     Importance of power flow analysis in planning and 
       operation of power systems 
     statement of power flow problem 
     classification of buses - development of power flow model 
       in complex variables form 
     iterative solution using Gauss-Seidel method - Q-limit 
       check for voltage controlled buses  
     power flow model in polar form - iterative solution using 
       Newton-Raphson method .                                  4
                                  UNIT III
                             FAULT ANALYSIS – 
                             BALANCED FAULTS
     Importance of short circuit analysis - assumptions in 
       fault analysis 
     analysis using Thevenin’s theorem - Z-bus building 
       algorithm 
     fault  analysis  using  Z-bus  –  computations  of  short 
       circuit capacity, post fault voltage and currents
                                                               5
                                  UNIT IV
                             FAULT ANALYSIS – 
                            UNBALANCED FAULTS
    Introduction to symmetrical components 
    sequence  impedances  –  sequence  circuits  of 
      synchronous machine, transformer and transmission 
      lines 
    sequence networks analysis of single line to ground, 
      line  to  line  and  double  line  to  ground  faults  using 
      Thevenin’s theorem and Z-bus matrix.
                                                            6
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...Objectives to model the power system under steady state operating condition apply numerical methods solve flow problem and analyze faulted conditions transient behaviour of when it is subjected a fault unit i introduction need for planning operational studies basic components restructuring single line diagram per phase analysis generator transformer transmission load representation different primitive network construction y bus using inspection singular transformation z ii importance in operation systems statement classification buses development complex variables form iterative solution gauss seidel method q limit check voltage controlled polar newton raphson iii balanced faults short circuit assumptions thevenin s theorem building algorithm computations capacity post currents iv unbalanced symmetrical sequence impedances circuits synchronous machine lines networks ground double matrix...

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