## تمرین پیشنهادی IEEE برای محاسبه جریان اتصال کوتاه در محیط های صنعتی و تجاری ### تمرین پیشنهادی IEEE برای محاسبه جریان اتصال کوتاه در محیط های صنعتی و تجاریتمرین پیشنهادی IEEE برای محاسبه جریان اتصال کوتاه در محیط های صنعتی و تجاری در دوازده فصل و 314 صفحه پی دی اف انگلیسیمشخصات فایلتعداد صفحات314حجم3 کیلوبایت فرمت فایل اصلیpdfدسته بندیکتاب لاتینتوضیحات کاملتمرین پیشنهادی IEEE برای محاسبه جریان اتصال کوتاه در محیط های صنعتی و تجاری در دوازده فصل و 314 صفحه پی دی اف انگلیسی     Contents Chapter 1  Introduction  Scope Definitions .Acronyms and abbreviations  Bibliography  Manufacturers’ data sources Chapter 2Description of a short-circuit current  Introduction Available short-circuit  Symmetrical and asymmetrical currents Short-circuit calculations  Total short-circuit current  Why short-circuit currents are asymmetrical DC component of short-circuit currents  Significance of current asymmetry  The application of current asymmetry information  Maximum peak currentTypes of faults  Arc resistance  Bibliography   Chapter 3Calculating techniques 3.1 Introduction3.2 Fundamental principles3.3 Short-circuit calculation procedure3.4 One-line diagram 3.5 Per-unit and ohmic manipulations 3.6 Network theorems and calculation techniques 3.7 Extending a three-phase short-circuit calculation procedures programto calculate short-circuit currents for single-phase branches3.8 Representing transformers with non-base voltages 3.9 Specific time period and variations on fault calculations 3.10 Determination of X/R ratios for ANSI fault calculations3.11 Three winding transformers3.12 Duplex reactor 3.13 Significant cable lengths3.14 Equivalent circuits 3.15 Zero sequence line representation 3.16 Equipment data required for short-circuit calculations 3.17 Bibliography Chapter 4Calculating short-circuit currents for systems without ac delay4.1 Introduction4.2 Purpose4.3 ANSI guidelines4.4 Fault calculations 4.5 Sample calculations 4.6 Sample computer printout4.7 Conclusions4.8 Bibliography Chapter 5Calculating ac short-circuit currents for systems with contributions from synchronous machines 5.1 Introduction5.2 Purpose5.3 ANSI guidelines5.4 Fault calculations 5.5 Nature of synchronous machine contributions 5.6 Synchronous machine reactances 5.7 One-line diagram data5.8 Sample calculations 5.9 Sample computer printout5.10 Sample computer printout for larger system calculations 5.11 Conclusions5.12 Bibliography Chapter 6Calculating ac short-circuit currents for systems with contributions from induction motors 6.1 Introduction6.2 Purpose6.3 ANSI guidelines6.4 Fault calculations 6.5 Nature of induction motor contributions 6.6 Large induction motors with prolonged contributions 6.7 Data accuracy6.8 Details of induction motor contribution calculations according to ANSI standard application guides6.9 Recommended practice based on ANSI-approved standards for representing induction motors in multivoltage system studies 6.10 One-line diagram data6.11 Sample calculations 6.12 Sample computer printout6.13 Bibliography Chapter 7Capacitor contributions to short-circuit currents 7.1 Introduction7.2 Capacitor discharge current 7.3 Transient simulations 7.4 Summary7.5 Bibliography Chapter 8Static converter contributions to short-circuit currents8.1 Introduction8.2 Definitions of converter types8.3 Converter circuits and their equivalent parameters 8.4 Short-circuit current contribution from the dc system to an ac short circuit8.5 Analysis of converter dc faults 8.6 Short circuit between the converter dc terminals8.7 Arc-back short circuits8.8 Examples8.9 Conclusions8.10 Bibliography Chapter 9Calculating ac short-circuit currents in accordance with ANSI-approved standards 9.1 Introduction9.2 Basic assumptions and system modeling9.3 ANSI recommended practice for ac decrement modeling9.4 ANSI practice for dc decrement modeling 9.5 ANSI-conformable fault calculations 9.6 ANSI-approved standards and interrupting duties9.7 One-line diagram layout and data 9.8 First cycle duty sample calculations 9.9 Interrupting duty sample calculations9.10 Applying ANSI calculations to non-60 Hz systems 9.11 Normative references 9.12 Bibliography Chapter 10Application of short-circuit interrupting equipment10.1 Introduction10.2 Purpose10.3 Application considerations 10.4 Equipment data 10.5 Fully rated systems 10.6 Low voltage series rated equipment 10.7 Low voltage circuit breaker short-circuit capabilities less than rating 10.8 Equipment checklist for short-circuit currents evaluation 10.9 Equipment phase duty calculations 10.10 Equipment ground fault duty calculations10.11 Capacitor Switching 10.12 Normative references Chapter 11Unbalanced short-circuit currents 11.1 Introduction 11.2 Purpose 11.3 ANSI guidelines 11.4 Procedure 11.5 Connection of sequence networks 11.6 Sample calculations 11.7 Conclusions 11.8 Bibliography Chapter 12Short-circuit calculations unser international standards 12.1 Introduction 12.2 System modeling and methodologies12.3 Voltage factors 12.4 Short circuit currents per IEC 6090912.5 Short circuits “far from generator12.6 Short circuits “near generator” 12.7 Influence of the motors12.8 Fault calculations in complex systems 12.9 Comparing the ANSI-approved standards with IEC 90912.10 Sample calculations12.11 Normative references 12.12 Bibliographyتوضیحات بیشتر و دانلودصدور پیش فاکتور، پرداخت آنلاین و دانلود

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