1 Scope
This standard specifies methods for mathematical modeling of generator excitation system used for power system stability calculation.
This standard is applicable to modeling excitation systems of turbine generators, gas turbine generator, hydro generators, pumped storage generator/motor and nuclear power units.
2 Normative References
The following documents are indispensable for the application of this standard. For dated references, only the dated editions apply. For undated references, the latest edition (including all the amendments) applies.
GB/T 7409 Excitation Systems for Synchronous Electrical Machines
DL/T 583 Specification for Static Rectified Excitation Systems and Devices for Large and Medium Hydraulic Generators
DL/T 843 Specification for Excitation System for Large Turbine Generators
IEEE Std421.5 IEEE Recommended Practice for Excitation System Models for Power System Stability Studies
3 Terms and Definitions
For the purpose of this standard, the following terms and definitions apply.
3.1
Primary model
A model provided by the manufacturer or deduced materials supplied by the manufacturer.
3.2
Measured model
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Technical Principles for Modeling
5 Requirements for Excitation Equipment Manufacturers and Suppliers
6 Preparation of Material and Data
7 Per-unit Value of Excitation System
8 Basic Methods for Recognizing Element Characteristic of Excitation Regulator
9 Mathematical Modeling of Excitation System
10 Model Selection and Parameter Treatment Methods
11 Site Test and Checking for Excitation System Model Parameter
12 Checking for Similar Calculating Model
13 Main Contents of Excitation System Modeling Report
Appendix A (Normative) Limitation Expression
Appendix B (Informative) Low-excitation Limit Model
Appendix C (Informative) Over-excitation Limit Model
Appendix D (Informative) Calculation of Generator Saturation Coefficient
