Synchronous Generators and Excitation Systems Operating in a Power System (eBook)

Preface 6
Contents 8
About the Authors 11
Principal Symbols 18
1 Introduction 23
References 27
2 Simulation Models of Generating Unit Elements 31
2.1 Simulation Models of Synchronous Generators 31
2.1.1 Linear RL Models of Synchronous Generators 34
2.1.2 Nonlinear RL Models of Synchronous Generators 37
2.1.3 Reduced RL Models of Synchronous Generators 42
2.1.4 Description of the GENROU Model of a Synchronous Generators 42
2.1.5 Description of the GENSAL Model of a Synchronous Generators 49
2.1.6 Mechanical Motion Equations 50
2.2 Simulation Models of Excitation Systems 51
2.2.1 Description of Excitation System Models Recommended by the IEEE Committee 52
2.2.2 Description of Excitation Systems Installed in the Polish PS 64
2.3 Generating Unit Simulation Model 69
References 70
3 Analysis of the Sensitivity of Generating Unit Simulation Waveforms to Changes of Model Parameters 74
3.1 Calculation Results of the Waveform Sensitivity to Changes of the Synchronous Generator GENROU Model Parameters 76
3.2 Calculation Results of the Waveform Sensitivity to a Change in the Model Parameters of the Electromachine Excitation System Operating in the Polish PS 79
3.3 Calculation Results of the Waveform Sensitivity to a Change in the Model Parameters of the Static Excitation System Operating in the Polish PS 86
3.4 Conslusions from the Sensitivity Analysis 87
References 89
4 Method, Algorithm and Module of a Parameter Estimation Program for Mathematical Models of Synchronous Generator and Excitation Systems 91
4.1 Description of the Method for Estimating Parameters of Mathematical Models of Synchronous Generators and Excitation Systems 91
4.1.1 Parameter Estimation of Synchronous Generator Mathematical Models 93
4.1.2 Parameter Estimation of Mathematical Models of Excitation Systems 97
4.2 Description and Analysis of the Optimization Algorithms 99
4.3 Selection of the Most Effective Algorithms 106
4.4 Program Module for the Parameter Estimation of Mathematical Models 112
References 116
5 Forming and Filtration of Measurement Waveforms 119
References 129
6 A System for Measuring Generator Load Angle 131
6.1 The Method for Measuring the Generator Load Angle 131
6.2 Measurement of the Rotor Position Angle 133
6.3 Determination of Axial Components and Angle of the Stator Voltage Phasor Position 143
References 145
7 Measurements in Laboratory Conditions and in Selected Power Plants 147
7.1 Measurements in Laboratory Conditions 147
7.1.1 Description of the Laboratory Stand 147
7.1.2 Measurements in the Laboratory 149
7.2 Measurements in Selected Power Plants 151
References 153
8 Determination of Synchronous Generator Model Parameters in the Laboratory and Selected Generating Unit Element Model Parameters in Power Plants 154
8.1 Determination of Synchronous Generator Model Parameters in the Laboratory 154
8.2 Determination of Element Model Parameters of Selected Generating Units Operating in Power Plants 156
8.2.1 Determination of Synchronous Generator Model Parameters 157
8.2.2 Determination of Parameters of the Excitation System Models 164
8.3 Comments on the Errors of Parameter Estimation of the Generating Unit Element Models 172
References 173
9 Summary 175