symbolic dynamic models for highly varying power system loads

LIST OF FIGURES
Figure
Page
2.1 Representation of a signal using the concept of Symbolic Dynamics 16
2.2 Forming a Symbolic Dynamic dictionary . . . . 17
2.3 Comparing two signals . . . . . . 18
3.1 Synthetic signals for ST-B01 . . . . . . 30
3.2 Synthetic circuit to generate current data . . . . 34
3.3 Summary of test results for Model 1 and Model 2 . . . 38
4.1 Transforming the real data . . . . . . 40
4.2 RMS value comparison with historical data in tests
RT-D02, RT-D03 and RT-D04 . . . . 46
4.3 RMS value comparison with actual data in tests
RT-D02, RT-D03 and RT-D04 . . . . 46
4.4 Process of power conditioning for the test RT-E04 . . . 51
4.5 Comparison of actual and conditioned current waveshape for phase A 52
4.6 Comparison of actual and conditioned current waveshape for phase B . 52
4.7 Comparison of actual and conditioned current waveshape for phase C . 53
5.1 Pictorial representation of alternative approaches to
power system load modeling . . . . . 59
C.1 A sample of EAF current for phase A . . . . 99
C.2 A sample of EAF current for phase B . . . . 100
C.3 A sample of EAF current for phase C . . . . 100
C.4 Electric arc furnace schematic . . . . . 101