Course Objectives.

• Be familiar with electrical motors
• Understand drive power circuits
• Be familiar with speed control methods of AC/DC motors:
• Understand electronic circuits for motor control.
• Power factor and harmonics.
• Be familiar with electric motor operation and maintenance

Course Outline:

• Introduction
• Electrical Motors

• The direct current (DC) motors.
• The cage induction motors.
• The AC synchronous motors.
• Three-phase AC motors.
• Single-phase AC motors.
• The brushless servomotor.
• Drive Power Circuits:
• DC motor drive systems.
• AC to DC power conversion.
• AC to DC motor operation.
• AC to DC motor construction.
• Theory and operation of AC/DC motors.
• Performance of AC/DC motors.
• Starting methods of AC/DC motors.
• Conventional methods.

• Advanced methods.

• AC motor drive systems.
• AC to AC power converters with intermediate DC link.
• Speed Control Methods of AC/DC Motors:
• Conventional methods
• Advanced methods.
• Electronic circuits for motor control:
• Introduction to power electronic circuits and drives.
• Power diodes, transistors, thyristors, and triacs.

• Converter Control:

• Single phase half wave rectifiers.
• Single phase full wave rectifiers.
• Three phase half-wave rectifiers.
• Three phase half-wave rectifiers.
• Power Factor and harmonics:
• Power Factor Correction.
• Reactive power regulating devices.
• Motor efficiency and power factor.
• Switching Transient & over voltage:
• Harmonics and source of harmonics.
• Diodes – Thyristors – Transformers.
• Elimination of harmonics.
• Filters, harmonic suppression.
• Protection of Power Capacitor.
• High Efficiency Motors.
• Electric Motor Operation and Maintenance:

• Operation.

• Motor Inspection and Maintenance.
• Rewinding and Repair.

Who Can Benefit?

• The course curriculum is designed for all electrical engineers and qualified technicians involved in the power sectors and power station operation and maintenance, and also in the factories, and enterprises of high and medium voltage distribution system.