eaep ta w5 2592 Phương pháp chỉnh định, Chỉnh định bộ điều khiển PID, Điều khiển PID theo miền, Chỉ số dao động mềm, Dao động mềm cho trước

TRƯỜNG ĐẠI HỌC SƯ PHẠM KỸ THUẬT TP HỒ CHÍ MINH ELECTRICAL AND ELECTRONIC PRINCIPLES WEEK 5 Cuong Q Ngo Last classes • Maximum power transfer • MATLAB fundamentals • Single frequency AC analysis (Multi.

TRƯỜNG ĐẠI HỌC SƯ PHẠM KỸ THUẬT TP HỒ CHÍ MINH ELECTRICAL AND ELECTRONIC PRINCIPLES WEEK Cuong Q Ngo Last classes • Maximum power transfer • MATLAB fundamentals • Single frequency AC analysis (MultiSim) CONTENTS (Today) • Magnetically coupled circuits • Transformer • Resonance 1.Magnetically coupled circuits • Mutual inductance – Mutual inductance is the ability of one inductor to induce a voltage across a neighboring inductor, measured in henrys (H) – If a current enters the dotted terminal of one coil, the reference polarity of the mutual voltage in the second coil is positive at the dotted terminal of the second coil 1.Magnetically coupled circuits • If a current leaves the dotted terminal of one coil, the reference polarity of the mutual voltage in the second coil is negative at the dotted terminal of the second coil • 1.Magnetically coupled circuits • Model 1.Magnetically coupled circuits • Example • Calculate the phasor currents I1 and I2 1.Magnetically coupled circuits • Answer I1  13.01  49.39 A I  2.9114.04 A Transformer Courtesy: Jensen Transformers Transformer • Ideal transformer – Coils have very large reactances – Coupling coefficient is equal to unity – Primary and secondary coils are lossless 10 ... fundamentals • Single frequency AC analysis (MultiSim) CONTENTS (Today) • Magnetically coupled circuits • Transformer • Resonance 1.Magnetically coupled circuits • Mutual inductance – Mutual inductance... inductor to induce a voltage across a neighboring inductor, measured in henrys (H) – If a current enters the dotted terminal of one coil, the reference polarity of the mutual voltage in the second... • If a current leaves the dotted terminal of one coil, the reference polarity of the mutual voltage in the second coil is negative at the dotted terminal of the second coil • 1.Magnetically coupled