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Design of Computerized System for Harmonics Detection, Analysis and Control in Power System

1 OVERVIEW第10-16页
    1.1 THE OBJECTIVES OF THE PROPOSED WORK第12页
    1.2 THE PRACTICAL REALIZATION FOR SYSTEM DESIGN第12-13页
        1.2.1 System Design Concepts第12页
        1.2.2 Design Procedure第12-13页
        1.2.3 Application Objective第13页
        1.2.4 Device Selection第13页
    1.3 DESIGN OUTLINE OF THE PRESENT WORK第13-16页
        1.3.1 Planning and Scheming of the System第13页
        1.3.2 Initial System第13页
        1.3.3 Hardware/Software Tradeoff第13-15页
        1.3.4 Hardware Implementation第15页
        1.3.5 Software Implementation第15页
        1.3.6 Testing and Debugging第15页
        1.3.7 Documentation and Maintenance第15-16页
2 THEORETICAL ANALYSIS第16-55页
    2.1 SUGGESTED POWER DEFINITION AND MEASUREMENT DUE TO HARMONIC LOAD第16-33页
        2.1.1 Introduction第16页
        2.1.2 Power theory analysis第16-25页
            2.1.2.1 Sinusoidal voltage and harmonic load第16-24页
                2.1.2.1.1 Active power第18-19页
                2.1.2.1.2 Reactive power第19页
                2.1.2.1.3 Distortion power第19-21页
                2.1.2.1.4 Three-phase system第21-24页
                    2.1.2.1.4.1 Three-phase three-wire system第21-23页
                    2.1.2.1.4.2 Three-phase four-wire system第23-24页
            2.1.2.2 Non-sinusoidal voltage and harmonic load第24-25页
        2.1.3 Engineering significance of suggested power definition第25-29页
            2.1.3.1 Apparent power第25-26页
            2.1.3.2 Active power第26页
            2.1.3.3 Reactive power第26-27页
            2.1.3.4 Distortion power第27-29页
        2.1.4 Summary第29-30页
        2.1.5 Experimental results第30-32页
            2.1.5.1 Case 1第30-31页
            2.1.5.2 Case 2第31-32页
            2.1.5.3 Case 3第32页
        2.1.6 Conclusion第32-33页
    2.2 SECANT METHOD FOR ESTIMATION OF HARMONIC FREQUENCY IN A POWER SYSTEM第33-43页
        2.2.1 Introduction第33-34页
        2.2.2 Proposed analytic method第34-36页
        2.2.3 Estimation of harmonic components第36-40页
            2.2.3.1 Amplitude of the nth harmonic component第39页
            2.2.3.2 Phase Angle of the nth harmonic component第39页
            2.2.3.3 The nth harmonic frequency第39-40页
        2.2.4 Simulation and results第40-42页
        2.2.5 Conclusion第42-43页
    2.3 POWER FREQUENCY HARMONIC MEASUREMENT USING INTEGER PERIODIC EXTENSION METHOD第43-55页
        2.3.1 Introduction第43页
        2.3.2 Measurement theory第43-46页
            2.3.2.1 FFT algorithm and windows第43-45页
            2.3.2.2 Parameter selection第45-46页
        2.3.3 The proposed method第46-47页
        2.3.4 Implementation results第47-48页
            2.3.4.1 Measurement第47-48页
        2.3.5 Case studies第48-54页
            2.3.5.1 Case one results第49-50页
            2.3.5.2 Case two results第50-51页
            2.3.5.3 Case three results第51-52页
            2.3.5.4 Case four results第52-53页
            2.3.5.5 Case five results第53-54页
        2.3.6 Conclusions第54-55页
3 HARDWARE DESIGN第55-66页
    3.1 TRANSFORMER第55-58页
        3.1.1 Introduction第55页
        3.1.2 three-phase transformers第55页
        3.1.3 instrument transformer第55-57页
            3.1.3.1 Potential or voltage transformer PT or VT第56-57页
            3.1.3.2 Current transformer CT第57页
        3.2.4 Conclusion第57-58页
    3.2 PCI BASED INPUT/OUTPUT CARD第58-66页
        3.2.1 General description第58页
        3.2.2 Features第58-59页
        3.2.3 Specifications第59-62页
            3.2.3.1 Power Consumption第59页
            3.2.3.2 Analog Inputs第59页
            3.2.3.3 A/D Converter第59-60页
            3.2.3.4 A/D Trigger Methods第60-61页
            3.2.3.5 A/D Throughput第61页
            3.2.3.6 D/A Converter第61页
            3.2.3.7 Digital I/O第61页
            3.2.3.8 Interrupt Channel第61页
            3.2.3.9 Programmable Timer/Counter第61-62页
        3.2.4 Block diagram第62-63页
        3.2.5 Main circuit diagram第63-64页
        3.2.6 Machine layout第64-65页
        3.2.7 Conclusion第65-66页
4 SOFTWARE DESIGN第66-71页
    4.1 SOFTWARE DESIGN LAYOUT第66页
    4.2 MENU AND FORM DESIGN第66-68页
        4.2.1 Menu Manager第66-68页
        4.2.2 Form design第68页
        4.2.3 Menu and form flow chart第68页
    4.3 DATABASE DESIGN第68-70页
    4.4 SYSTEM INTERCONNECTION第70-71页
5 RESUUFS AND DISCUSSION第71-72页
    5.1 RESULTS第71页
    5.2 DISCUSSION第71页
    5.3 SUGGESTIONS FOR THE FUTURE WORK第71-72页
REFERENCES第72-74页

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