Electrical Machines and Equipment
Electrical Machines and Equipment
Electrical Machines and Equipment
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<strong>Electrical</strong> Technology Department<strong>Electrical</strong> <strong>Machines</strong> & <strong>Equipment</strong>sDetailed Theoretical ContentsHours Contents Related Tasks61. Review the characteristics of electric motors used in industry1- Separately exited DC motors2- Series <strong>and</strong> parallel DC motors3- Three-phase induction motors4- Synchronous motorsBasic knowledge62. Review the power electronic circuits used in industry1. Controlled rectifier circuits2. DC choppers3. AC Voltage controllers4. InvertersBasic knowledge93. Control of DC motors using controlled rectifiers1. Single-phase semi-converter drives2. Single-phase full converter drives3. Three-phase half wave converter drives4. Three-phase semi-converter drives Three-phase full converter drivesBasic knowledge64. Control of DC motors using DC choppers Speed control of DC motors using DC choppers Braking of DC motors using DC choppersA. Regenerative brakingB. Dynamic BrakingC. Combined regenerative <strong>and</strong> dynamic braking Two-quadrant chopper drives Four-quadrant chopper drivesBasic knowledge- 61 -
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