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LIST <strong>OF</strong> SYMBOLS C : DC Link Capacitor Value DC C f : Filter Capacitor Value : Injection Transformer Rating e (t) : Difference of input and synchronized fundamental components of f 0 f s I dc I s I L Enhanced Phase Locked Loop : Cut-off frequency : Switching frequency : DC link Capacitor Current : Source-Side Current : Load-Side Current I Re : Rectifier Current ctifier K i L f m a : Turns ratio of the injection transformer : Filtre Inductor Value : Modulation index ms n N P N S : Miliseconds : Order of harmonics : Primary Winding of Transformer : Secondary Winding of Transformer S : Voltage Sag/Swell depth depth S c : Volt Amperes Rating of DC Link Capacitor u (t) : Input signal of Enhanced Phase Locked Loop V cappi V cap,ref V dclink V d : Error between Actual and Reference Values of DC link Capacitor Voltage : DC link Capacitor Voltage Reference Value : DC link Capacitor Voltage : D Component of SRF Transform XIV
̊ V dc,ref V q V l V presag V dclink,min error inphase : DC Link Reference Value : Q Component of SRF Transform : Calculated Line Value : Calculated Presag Value : Minimum Value of DC link Capacitor Voltage V , : The magnitude of the injected voltage with In-Phase Compensation V error , presag : The magnitude of the injected voltage with Pre-Sag Compensation V : Output Voltage of hybrid cascade diode clamped inverter output V : Output voltage of LC Filter filter V : Injected Voltage by DVR inj V inv V inv (n) V L V o( n) V p V sag V source : Output voltage of the PWM inverter : nth order harmonic voltages on the input of inverter : Load Voltage : nth order harmonic voltages on the output of inverter : Voltage on the high voltage side of the injection transformer : Magnitude of Sagged Voltage : Source Voltage y (t) : Synchronized fundamental component of EPLL ∆ ω (t) : Frequency deviation of EPLL θ (t) : The phase angle of Synchronized fundamental component of EPLL θ : The angle of the injected voltage with In-Phase Compensation error,inphase θ : Phase angle of Sagged Voltage sag θ : The angle of the injected voltage with Pre-Sag Compensation error, presag θ presag δ Vload μ : Pre-Sag Angle : Phase information of System Voltage : Micro : Degree XV
Page 1 and 2: ÇUKUROVA UNIVERSITY INSTITUTE OF N
Page 3 and 4: ABSTRACT MSc THESIS MODELING AND AN
Page 5 and 6: ACKNOWLEDGEMENTS First and foremost
Page 7 and 8: 3.2.2.1. Inverters ................
Page 9 and 10: VII
Page 12 and 13: LIST OF FIGURES PAGES Figure 1.1. D
Page 14 and 15: Figure 5.3. Injected voltages by us
Page 18 and 19: LIST OF ABBREVATIONS A AC APF ASD C
Page 20: 1. INTRODUCTION Mustafa İNCİ 1. I
Page 23 and 24: 1. INTRODUCTION Mustafa İNCİ 4
Page 25 and 26: 2. POWER QUALITY Mustafa İNCİ 2.1
Page 31 and 32: 2. POWER QUALITY Mustafa İNCİ •
Page 34 and 35: 3. FUNDAMENTALS OF DVR Mustafa İNC
Page 46: 3. FUNDAMENTALS OF DVR Mustafa İNC
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4. MODELING OF PROPOSED DVR Mustafa
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5. SIMULATION RESULTS AND CASE STUD
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6. CONCLUSION Mustafa İNCİ 6. CON
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6. CONCLUSION Mustafa İNCİ • En
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DELFINO, B., FORNARI, F., PROCOPIO,
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KARIMI-GHARTEMANI M., IRAVANI M.R.
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OĞUZ, G., 2004. Performance Of A D
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TESTA A., AKRAM M.F., BURCH R., CAR
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BIOGRAPHY Mustafa İNCİ was born i
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APPENDIX 123
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LIST OF PUBLICATIONS International
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