Ind. Elec. Lec 01

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<p>EE4263 Industrial Electronics</p> <p>EE4263 Industrial ElectronicsLec 01</p> <p>Khurram ShahzadPre-Req : Electronics Circuit DesignRecommended Books: Industrial Electronics James Rehg and Glenn Sartori Modern Industrial Electronics Timothy J. MaloneyGrading Policy</p> <p>Quizzes15 % Assignments15%Presentation10%Midterm Exam20%Final Exam40%2Broad ContentsDC and AC Motors, with control and applicationsSolid State devices in industrial applicationsOp-amp applications and Linear ICsSensors, Instrumentation and Measurement techniquesIndustrial Control Systems and Controllers</p> <p>3DC MotorsElectromechanical energy conversion</p> <p>4DC Motors If electrical energy is supplied to a conductor in a magnetic field, the field interaction will produce mechanical force</p> <p>What are the required conditions ? </p> <p>Basic operating principle of all DC motors</p> <p>Force upon the conductor F=B x i x l</p> <p>5</p> <p>DC MotorsPrinciple of operation6</p> <p>DC MotorsSeveral coils are wound on the rotor, all experiencing mechanical force</p> <p>Counter-voltage or back EMFLenzs LawApplied voltage vs. Counter-voltage</p> <p>At standstill, what is the value of armature current ? 7DC MotorsReversibility of DC machines</p> <p>8DC Machine ClassificationSeparately Excited</p> <p>9DC Machine ClassificationSelf ExcitedShunt Machine</p> <p>10</p> <p>DC Machine ClassificationSelf ExcitedSeries Machine</p> <p>Also called a universal motorReversing polarity of stator and motorRuns for both DC and AC11Torque-Speed Characteristics</p> <p>12DC Motor Efficiency</p> <p>13Service FactorMeasure of the overall capacity built into the motorStall TorqueThe maximum torque a motor can provide with the shaft no longer rotating1414</p>