中正--電力品質(zhì)實(shí)驗(yàn)室

1、IEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007Chapter 9Case Studies Contributors: J. Wikston, E. Gunther, and M. GradyTutorial on Harmonics Modeling and SimulationIEEE PES General Meeting, Tampa FLJune 24-28, 2007Conf

2、erncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007Case 1Simulation of the potential harmonic impacts caused by DC motor drives of ski lifts in a ski areaIEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-

3、8, 2007Single Line DiagramIEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007ScenariosScenario SKIA. No Corrections.Scenario SKIB. 30 phase shifting transformers added at Apollo and BigBoss ASDs.Scenario SKIC. Case SKIB, p

4、lus 1800 kVAr of filters. IEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007SKIA, Voltage Waveform and Spectrum at Bus #1, Substation 12.5 kV (THDV = 12.2%) IEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Bra

5、sileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007SKIB, Voltage Waveform and Spectrum at Bus #6, Base (THDV = 8.7%) IEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007SKIC, Voltage Waveform and Spectrum at B

6、us #6, Base (THDV = 2.7%) IEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007Case 2Harmonics and interharmonics, the filter design, and design verification measurements associated with an industrial load IEEE PES General M

7、eeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007IntroductionThe load and compensationMeasurementsFilter designPerformance measurementsIEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos,

8、So Paulo, Agosto 5-8, 2007Load and Compensation6 pulse loadCharacteristic harmonic orders are n*p +/- 1Initial design 5th and 7th on MV busIEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007Measurements - Voltage Distortio

9、n IEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007Measurements 200 ms window IEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007Measurements

10、- InterharmonicsIEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007Filter DesignType of filterLocation of filterIEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paul

11、o, Agosto 5-8, 2007Filter TypesIEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007Filter LocationUtility busSecondary of customers step-downFault level reduced to Utility bus impedance 100% variationSecondary of customer s

12、tep-down 50%IEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007Performance MeasurementsIEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007Case 3

13、Analysis of harmonic impacts of variable frequency drives to the system IEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007SuperHarm model one-line diagramHARSRCAA1BC1FDD1CEGD2HID38 mi 266300 A Reg8 mi 2665.8 Ohms0.1 mi 26

14、6300 A Reg0.1 mi 2662 mi 2664 mi 2661 mi 2661.5 MVA25kv/480vZ=4.5%3 MVA25kv/4160vZ=5.0%1200kvar2 x 1250hp, 1 400hp, 2 x 200kvar, 1 50kvar2 750hp, 2 75kvar3 MVA25kv/4160vZ=5.0%750 kVA4160v/480vZ=5.0%2 x 75hp, 2 x 25kvar, 2 x 60hp, 2 x 22.5kvar, 2 x 30hp asd, 2 x 10kvarProposed750hp ASD100kW30kvar 150hp 20kvar 100hp0.07 + j0.60 pu 25 kV 100 MVAIEEE PES General Meeting, Tampa FLJune 24-28, 2007Conferncia Brasileira de Qualidade de EnergiaSantos, So Paulo, Agosto 5-8, 2007Predicted voltage waveform distortion