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Back
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Introduction
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Course Promo
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1.1 Course Intro
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Fundamental Concept of How DC Motor Works
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2.1: Parameters of Electrical & Mechanical System
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2.2: Representation of Electric Motor as Block Diagram
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2.3: Force produced by Permanent Magnet
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2.4: How electric current produces force?
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2.5: Current Carrying Conductors Placed in Magnetic Field
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2.6: Requirement of Arrangement to Produce Unidirectional Torque
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2.7: How to Supply Electric Current to Rotating Coil
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2.8: Maintaining Direction of Current with Commutator
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2.9: Conclusion
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Basic Parts of DC Motor
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3.1: Basic Parts of DC Motor
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Back emf & it’s importance
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4.1: Role of Faraday’s law and Lenz’s law in DC Motor (Back emf)
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Mathematical Representation
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5.1: Speed Torque Equation
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5.2: Graphical Representation
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Speed Control Methods
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6.1: Effect of Supply Voltage
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6.2: Effect of Adding Resistance to Armature Winding
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6.3: Effect of Adding Resistance to Field Winding
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Summary
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7.1: Summary
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DC Series Motor
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8.1: DC Series Motor
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8.2: Speed Torque Characteristics of DC Series Motor
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More about DC Motor
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9.1: Introduction
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9.2: Controversy Effect: “Effect of Field Flux on Motor Torque”
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9.3: Equation of Force
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9.4: Shape and Equation of Back Emf
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9.5: Average Value of Back Emf
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9.6: Power Transfer
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9.7: Shaft Torque
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9.8: Applications & Limitations
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9.9: Maximum Power Transfer Point
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Demonstrations & Practice
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10.1 Permanent Magnet DC Motors
Preview - Fundamentals of DC Motor
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