█ _ فادى 2017 حصريا كتاب dissolved gas analysis practical part 2024 part: LIST OF ABBREVIATIONS 4 LIST FIGURES 5 LIST TABLES 6 CHAPTER 5 GAS INTERPRETATION TECHNIQUES OVERVIEW 5 1 Block Diagram to DGA 5 2 Key Gas Method 5 Thermal Faults 5 I faults in oil 5 II cellulose 5 3 Electrical Corona 5 Arcing 5 4 Method software implementation MATLAB GUI 5 Result and discussions CHAPTER 6 RATIO METHODS TO DGA OVERVIEW 6 Rogers Ratio Method 6 Introduction 6 Diagnostic Code Representation 6 ratio method GUI 6 Discussions 6 IEC Analysis 6 Doernenburg Introduction 6 Step by procedure 6 Discussions CHAPTER 7 DUVAL TRIANGLE METHOD FOR DISSOLVED GAS ANALYSIS OVERVIEW 7 Introduction 7 Example of fault zone indication 7 Duval triangle zones coordinates 7 Software triangle 7 8 COMBINED DGA METHOD OVERVIEW 8 Mapping Process Faults each Method 8 Combined Results 9 CONCLUSION OVERVIEW 9 Conclusion 9 Scope for Future REFERENCES show some methods that used gases power transformers with exsamples ركن الإلكترونيات والكهرباء Electronics Electricity مجاناً PDF اونلاين خاص بكتب مجانيه للتحميل