Search Results - Widsith~
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Generating the bipolar pulse width modulation (PWM) wave using PIC16F877 microcontroller
Published 2005Thesis Book -
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Pulse width modulation (PWM) switching strategy for three-phase inverter using arduino microcontroller
Published 2021Thesis Book -
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Power electronics basics operating principles, design, formulas, and applications
Published 2016Table of Contents: “…Basic Concepts and Terms in Power Electronics Conversion of Electrical Energy: Classification of Converters Output Parameters and Characteristics of Converters Influence of Converters on the Grid Basic Converter Parameters AC and DC Filters References-- Semiconductor Power Switches and Passive Components Introduction Power Diodes Power Bipolar Transistors Thyristors Switched Thyristors Field Transistors The IGBT Switch Modules Power Assemblies Applications of Power Switches Cooling Systems for Semiconductor Power Devices Promising Developments in Power Electronics Control of Semiconductor Power Switches Passive Components References-- Control of Power Electronic Devices Mathematical Models Analysis of the Electrical Processes in Power Electronic Devices Control Methods Newton's Binomial Formula Solution of Differential Equations References-- Line-Commutated Converters Introduction Rectifiers Grid-Tie Inverters Direct Frequency Converters (Cycloconverters) AC Voltage Regulators Based on Thyristors References-- Conversion from Direct Current to Direct Current Introduction: Continuous Stabilizers Basic DC Voltage Regulators Voltage Regulators with Transformer Uncoupling of the Input and Output Circuits Multiquadrant Direct-Current Converters Thyristor-Capacitor Regulators with Dosed Energy Supply to the Load References-- Inverters and AC Converters Based on Completely Controllable Switches Voltage Inverters Current Inverters AC Converters Frequency Converters References-- Pulse-Width Modulation and Power Quality Control Basic Principles of Pulse-Width Modulation PWM Techniques in Inverters Power Quality Control on the Basis of PWM Converters Basic Control Systems of AC-DC Converters with PWM References-- Resonant Converters Introduction Converters with a Load in Resonant Circuit Quasi-Resonant Converters References-- Multilevel, Modular, and Multicell Converter Topologies Introduction Parallel Connection of Rectifiers and DC-DC Converters Parallel Connection of Inverters Voltage Multipliers and Voltage Dividers Based on Capacitor-Diode Cells Multilevel Converter Structures References-- Applications of Power Electronics Improving of the Efficiency of Power Supply Electric Drives Engineering Applications References…”
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Addressing techniques of liquid crystal displays
Published 2015Table of Contents: “…1 Introduction -- 2 Liquid Crystal Displays -- 3 Review of Addressing Techniques -- 4 Binary Addressing -- 5 Orthogonal Functions and Matrix Addressing -- 6 Active Addressing -- 7 Hybrid Addressing -- 8 Improved Hybrid Addressing -- 9 Improved Hybrid Addressing Special Case 3 -- Improved Hybrid Addressing Special Case 4 -- 11 Sequency Addressing -- 12 Restricted Pattern Addressing -- 13 Review of Methods to Display Greyscales -- 14 Amplitude Modulation -- 15 Successive Approximation -- 16 Cross-Pair Method -- 17 Wavelet-Based Addressing -- 18 Bit Slice Addressing -- 19 Multibit Slice Addressing -- 20 Micro Pulse Width Modulation -- 21 Comparison of Addressing Techniques -- 22 Low Power Dissipation -- 23 Low Power Consumption of Backlight -- 24 Drivers for Liquid Crystal Displays -- 25 Active and Passive Matrix Addressing -- 26 Conclusion -- Bibliography -- Index.…”
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Rare earth doped fiber lasers and amplifiers
Published 1993Table of Contents: “…Snitzer -- 6. Narrow Line Width and Tunable Fiber Lasers / P. R. Morkel -- 7. …”
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Excellence in warehouse management how to minimise costs and maximise value
Published 2005Table of Contents: “…Equipment -- Fork-lift trucks -- Racking/shelving -- The aisle width decision -- 6.0 Warehouse information communications technology -- Importance of information -- Decision-making and ICT -- Improvements with ICT -- Warehouse ICT applications -- Systems implementation -- 7.0. …”
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Fundamentals of electric power engineering
Published 2015Table of Contents: “…Inverters--3.1 Single-Phase Bridge Inverter--3.2 Pulse Width Modulation (PWM)--3.3 Three-Phase Inverters; AC-to-AC Converters and AC Motor Drives…”
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Wind energy an introduction
Published 2016Table of Contents: “…Machine generated contents note: 1.1.Wind Turbines -- 1.2.Offshore Wind Turbines -- Exercise -- 2.1.Wind Speed -- 2.1.1.Impact of Friction and Height on Wind Speed -- 2.1.2.Air Density -- 2.2.WT Blades -- 2.2.1.Angle of Attack -- 2.2.2.Relative Wind Speed -- 2.2.3.Pitch Angle -- 2.3.Coefficient of Performance -- 2.3.1.Tip-Speed Ratio -- 2.3.2.Blade Power -- 2.4.Separation of WTs -- Exercise -- 3.1.Average Variance and Standard Deviation -- 3.2.Cumulative Distribution Function -- 3.3.Probability Density Function -- 3.3.1.Weibull Distribution Function -- 3.3.2.Rayleigh Distribution Function -- 3.4.Dependency and Repeatability -- 3.4.1.Cross-Correlation -- 3.4.2.Repeatability -- Exercise -- 4.1.Classification of Wind Turbines -- 4.1.1.Alignment of Rotating Axis -- 4.1.2.Types of Generators -- 4.1.3.Speed of Rotation -- 4.1.3.1.Fixed-Speed Wind Turbine -- 4.1.3.2.Variable-Speed Wind Turbine -- 4.1.3.3.Assessment of FSWT and VSWT -- 4.1.4.Power Conversion -- 4.1.5.Control Actions -- 4.1.5.1.Soft Starting -- 4.1.5.2.Generation Control -- 4.1.5.3.Reactive Power Control -- 4.1.5.4.Stability Control -- 4.1.5.5.Ramping Control -- 4.2.Types of Wind Turbines -- 4.2.1.Type 1 Wind Turbine -- 4.2.2.Type 2 Wind Turbine -- 4.2.3.Type 3 Wind Turbine -- 4.2.4.Type 4 Wind Turbine -- 4.2.5.Type 5 Wind Turbine -- Exercise -- 5.1.AC/DC Converters with Resistive Load -- 5.1.1.Rectifier Circuits -- 5.1.2.Voltage-Controlled Circuits -- 5.1.3.Three-Phase Circuits -- 5.2.AC/DC Converters with Inductive Load -- 5.2.1.Current Calculations -- 5.2.2.Voltage Calculations -- 5.2.3.Freewheeling Diodes -- 5.3.DC/DC Converters -- 5.3.1.Buck Converter -- 5.3.2.Boost Converter -- 5.3.3.Buck[—]Boost Converter -- 5.4.DC/AC Converters -- 5.4.1.Three-Phase DC/AC Converter -- 5.4.2.Pulse Width Modulation -- 5.5.AC/AC Converters -- Exercise -- 6.1.Description of Induction Machine -- 6.2.Representation of Induction Machine -- 6.2.1.Flux Linkage -- 6.2.2.Balanced System -- 6.2.3.Rotating Reference Frame -- 6.3.Park's Equations -- 6.3.1.Steady-State Model -- 6.3.1.1.Root Mean Square Values -- 6.3.1.2.Real and Reactive Powers -- 6.3.1.3.General Equivalent Circuit -- 6.3.1.4.Torque -- 6.3.2.Dynamic Model of Induction Generator -- 6.3.2.1.Dynamics of Electrical Mode -- 6.3.2.2.Rotor Dynamics -- Exercise…”
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