Basic Concepts For Electric Machines - komag.orgkomag.org/2015summer/jang.pdf · 2015-06-30 ·...
Transcript of Basic Concepts For Electric Machines - komag.orgkomag.org/2015summer/jang.pdf · 2015-06-30 ·...
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Basic Concepts For Electric Machines
산업통상자원부, 한국에너지기술평가원 지정 ‘분산형전원용 스마트 전기기기시스템 설계 및 성능평가 시스템 고급트랙 센터
주식회사 셈스하이테크 엔지니어링
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1. Electromagnetic Field for Electric Machines
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Inducing current in a coil by means of a moving magnet
Induced Emf
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Inducing current in a coil by means of an electromagnet
Induced Emf-Eddy Current
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Direction of the induced current
Induced Emf
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전동기의 원리
지식 경제부
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The two coils produce a magnetic field B which is approximately uniform in the vicinity of the loop.
In the loop, rotating with angular velocity ω, a sinusoidally varying electromotive force is induced.
Induced Emf
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Elementary AC Generator
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The Basic Concept of Electric Machines
The Induced Voltage The Force
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500MW Synchronous generator with 2400kW dc Exciter and brush
The Basic Concept of Electric Machines
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The Basic Concept of Electric Machines
Brushless Exciter System
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The Basic Concept of Electric Machines
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The Basic Concept of Electric Machines
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희토류 영구자석 기기
전력기기의 기존형과 영구자석 기기의 컴팩트화 비교
# 기존의 권선형 전기기기에서
영구자석형 기기로의 개발로 인한 소형화
출처 : Irving M. Gottlieb, 1982
“Electric Motors & Control Techniques”
Robert C. Perrine, 1999
“Design Handbook for PM Motors and Tachometers”