DESIGN AND IMPLEMENTATION OF THREE PHASE MOTOR PROJECT REPORT- ELECTRICAL TELECOMMUNICATION OPTION

Institution Kisii National Polytechnic
Course Electrical and elect...
Year 3rd Year
Semester Unknown
Posted By MAKORI KERECHA
File Type docx
Pages
File Size 284.83 KB
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Description

The design and implementation of a 3-phase motor using a single-phase power supply with the aid of a capacitor addresses a key challenge in electrical motor systems, particularly in areas where 3-phase power is unavailable or impractical. 3-phase motors are known for their efficiency, reliability, and smooth operation, which makes them ideal for industrial applications. However, many environments only provide single-phase power, necessitating conversion techniques to operate these motors effectively. This project explores the development of a phase conversion method using a start and run capacitor to create the required phase shift that allows a 3-phase motor to run on a single-phase power source. Capacitors are used to generate an artificial phase, thereby creating a pseudo-3phase system. The design focuses on the optimal selection of capacitors to ensure the balance between phases, improve motor efficiency, and reduce vibration and noise. This approach is both cost-effective and practical for small to medium-scale motor applications. The implementation involved the detailed analysis of the motor's electrical requirements, the calculation of capacitance values necessary to achieve proper phase shifting, and the design of the connection circuitry. Testing and performance evaluation showed that while the 3-phase motor operating with a single-phase input through a capacitor arrangement does not achieve the full performance of a true 3-phase power system, it is still adequate for many applications where high power or precision control is not critical. This system provides a practical and affordable solution for running 3-phase motors in environments constrained by single-phase power supplies, making it a viable option for industries and small businesses like development country
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