IEEE 1110 : 2002

SYNCHRONOUS GENERATOR MODELING PRACTICES AND APPLICATIONS IN POWER SYSTEM STABILITY ANALYSES

Institute of Electrical & Electronics Engineers

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1 Overview and objectives
  1.1 Introduction
  1.2 Specialized problems in stability not discussed in
      this guide
  1.3 Overview of the guide
2 References
3 Classification of power system stability and synchronous
  machine modeling requirements
  3.1 General background
  3.2 Rotor-angle stability
  3.3 Voltage stability
  3.4 Frequency stability
  3.5 Modeling requirements for synchronous machines
4 Types of models available
  4.1 Introduction
  4.2 Terminology
  4.3 Direct-axis model structures
  4.4 Quadrature-axis model structures
  4.5 Constant-voltage-behind-reactance model
  4.6 Field-winding per-unit systems
  4.7 Generator to power system interfacing
5 Application of generator models in stability studies
  5.1 General
  5.2 Modeling considerations based on categories of stability
  5.3 Modeling considerations based on rotor structure
  5.4 Use of simplified models
6 Representation of saturation and its effect on synchronous
  generator performance
  6.1 General
  6.2 Representation of synchronous generator saturation
      in the steady state
  6.3 Representation of saturation effect during large
      disturbances
  6.4 Generator saturation in small-disturbance modeling
7 Determination of generator stability parameters
  7.1 Introduction
  7.2 Parameter determination by tests
  7.3 Parameters derived by manufacturers
  7.4 Data translation
Annex A (informative) Bibliography
Annex B (normative) List of main symbols
Annex C (informative) Calculation of generator electrical
        torque or power
Annex D (informative) Procedures in a widely used stability
        program to account for saturation when adjusting mutual
        reactances
Annex E (informative) Sample matlab listing

Abstract

Categorizes three direct-axis and four quadrature-axis models, along with the basic transient reactance model. It also discusses some of the assumptions made in using various models and presents the fundamental equations and concepts involved in generator/system interfacing. Also covers, generally, the various attributes of power system stability, recognizing two basic approaches.