DC 초퍼를 이용한 유니버셜모터의 고조파특성에 관한 연구

다국어 초록 (Multilingual Abstract)

A universal motor is a small DC series motor that is designed to operate from an AC supply. The characteristics of universal motors are high no-load speed and high starting torque. The universal motors can be implied AC or DC voltage source, although AC excitation is by far more common.
Phase-angle controled AC drives system gained a high popularity due to their simple implementation despite the disadvantage of their poor input power factor especially for large values of phase delay angle. But phase angle control systems make much amount of harmonic current and which is damage to the other electrical instruments.
DC chopper systems are able to eliminate the harmonic current and improve the power factor.
This paper presents the harmonic characteristics of phase angle control AC system that is controlled TCA 785 with zero voltage crossing similarly to traditional system and DC chopper system that is used micro controller PWM IC.

목차 (Table of Contents)

• 목차
• ABSTRACT
• Ⅰ. 서론 = 1
• Ⅱ. 유니버셜모터의 동작특성 = 3
• A. 유니버셜모터의 기본특성 = 3
• B. AC 위상각제어 = 6
• C. DC 초퍼제어 = 10
• D. 고조파 발생 = 14
• Ⅲ. 시스템 구성 = 18
• A. 위상각 제어시스템 = 18
• B. DC 초퍼제어시스템 = 20
• Ⅳ. 실험 및 결과고찰 = 22
• A. AC 위상각제어에 의한 구동 = 23
• B. DC 초퍼제어에 의한 구동 = 29
• C. 실험결과 및 고찰 = 35
• Ⅴ. 결론 = 38
• 참고문헌