New IEEE Standard – Inactive – Superseded. Superseded by 1110-2002. Three direct-axis and four quadrature-axis models are categorized, along with the basic transient reactance model. Some of the assumptions made in using various models, including the basic model, are discussed, and the fundamental equations and concepts involved in generator\/system interfacing are presented. The various attributes of power system stability are covered in a general way, with two basic approaches being recognized. The first is categorized under large-disturbance nonlinear analysis. The second approach considers small disturbances, where the corresponding dynamic equations are linearized. Applications of a range of generator models are discussed and treated. The manner in which generator saturation is treated in stability studies, both in the initialization process, as well as during large or small disturbance stability analysis procedures is addressed. Saturation functions that are derived either from test data or by the methods of finite elements are developed. Different saturation algorithms for calculating values of excitation and internal power angle, depending upon generator terminal conditions, are compared. The question of parameter determination is thoroughly covered. Two approaches in accounting for generator field and excitation system base quantities are identified. Conversion factors are given for transferring field parameters from one base to another for correct generator\/excitation system interface modeling. Suggestions for modeling of negative field currents and other field circuit discontinuities are included.<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 1<\/td>\n | Title Page <\/td>\n<\/tr>\n | ||||||
| 3<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | Participants <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 1. Introduction 1.1 <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 1.2 References <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 2. Model Classifications or Categories 2.1 Practical Models Available <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 2.2 Nomenclature and Glossary of Frequently used Terms <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 2.3 References <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 3. Classification of Stability Studies 3.1 Background <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 3.2 Large Disturbances Stability <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 3.3 Small Disturbance Stability 3.4 Classification Based on Dominant Modes of System Response 3.5 References <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 3.6 Bibliography 4. Application of Generator Models in Stability Studies 4.1 General <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | 4.2 Representation of Generations During Large Disturbances <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | 4.3 Modeling of Machines for Small Disturbance Stability Studies <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | 4.4 References 4.5 Bibliography <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | Annex 4A\u2014Calculation of Generator Electrical Torques or Powers (Informative) <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | 5. Representation of Generator Saturation and its Effect on Generator Performance 5.1 General 5.2 Representation of Generator Saturation in the Steady State <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | 5.3 Representation of Saturation Effects During Large Disturbances <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | 5.4 Generator Saturation in Small Disturbance Modeling <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | 5.5 References <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | Annex 5A\u2014Saturation\u2014Past Practices and General Considerations <\/td>\n<\/tr>\n | ||||||
| 44<\/td>\n | Annex 5B\u2014Steps Used in a Widely-Used Commercial Stability Program to Account for Saturation During the Ste… <\/td>\n<\/tr>\n | ||||||
| 47<\/td>\n | Annex 5C\u2014Procedures in a Second Stability Program to Account for Saturation When Adjusting Mutual Reactances <\/td>\n<\/tr>\n | ||||||
| 52<\/td>\n | Annex 5D\u2014Finite-Element-Derived Steady-State Saturation Algorithms <\/td>\n<\/tr>\n | ||||||
| 56<\/td>\n | Annex 5E\u2014Comparison of Certain Existing Methods of Accounting for Saturation <\/td>\n<\/tr>\n | ||||||
| 59<\/td>\n | 6. Determination of Generator Stability Parameters 6.1 Stability Parameters Obtained by Testing Generators Under Short-Circuit or Open-Circuit \nConditions 6.2 Frequency Response Testing of Generators <\/td>\n<\/tr>\n | ||||||
| 61<\/td>\n | 6.3 Parameters Derived by Two Manufacturers in the Machine Design Stage 6.4 Desirability for Uniform Practices in Deriving Machine Stability Parameters <\/td>\n<\/tr>\n | ||||||
| 63<\/td>\n | 6.5 Alternative Forms of Model Representation <\/td>\n<\/tr>\n | ||||||
| 64<\/td>\n | 6.6 References 6.7 Bibliography <\/td>\n<\/tr>\n | ||||||
| 66<\/td>\n | Annex 6A\u2014Determination of Direct-Axis Parameters from Test Results <\/td>\n<\/tr>\n | ||||||
| 71<\/td>\n | Annex 6B\u2014Alternate or Nonstandard Methods of Obtaining Stability Parameters <\/td>\n<\/tr>\n | ||||||
| 73<\/td>\n | Annex 6C\u2014Generator Stability Data Translations <\/td>\n<\/tr>\n | ||||||
| 79<\/td>\n | 7. Field and Excitation Considerations 7.1 Establishing Field-Voltage, Field-Current and Field-Impedance Bases <\/td>\n<\/tr>\n | ||||||
| 80<\/td>\n | 7.2 Calculation of Field Resistance <\/td>\n<\/tr>\n | ||||||
| 81<\/td>\n | 7.3 Field-Circuit Identity 7.4 Special Techniques for Modeling Field-Current Reversal or Field Shorting <\/td>\n<\/tr>\n | ||||||
| 82<\/td>\n | 7.5 References <\/td>\n<\/tr>\n | ||||||
| 83<\/td>\n | Annex 7A\u2014Establishing and Comparing Field-Circuit Relationships\u2014Reciprocal vs. Nonreciprocal System <\/td>\n<\/tr>\n | ||||||
| 86<\/td>\n | Annex 7B\u2014Excitation System-Generator Simulation Interfaces <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" IEEE Guide for Synchronous Generator Modeling Practices in Stability Analyses<\/b><\/p>\n |