유도전동기를 발전기로 사용시동작 특성 해석
Analysis for the Operating Characteristics when the Induction Motor is Used as a Generator
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초록
Squirrel cage induction motor is the main driving system of industrial field and familiar with its use in a largevariety of applications. The structure and operating characteristics of induction generator is almost identical to induction motor,but the induction generator part is used restrictively from hydropower power and wind power development etc. Recently inductiongenerator is commonly used for micro & small hydro power applications due to its simplicity, reliability, low cost and robustness. Input and output of induction motor has turned against at the induction generator operation. Rotation speed of inductiongenerator is small faster than synchronous speed of induction motor. As output of induction machines increases with theincreasement of speed, so loss is same. Actually, generator efficiency is lower than motor at this condition. If induction generatoris connected with mechanical load such as increaser, total efficiency is decreased. Consequently the quality in compliance withan induction motor parameter applying like that in the generator is a possibility of having the error of some. In this paper,we analyzed that input, output, torque and efficiency of induction machine is different from each other above and belowsynchronous speed.
Abstract
Squirrel cage induction motor is the main driving system of industrial field and familiar with its use in a largevariety of applications. The structure and operating characteristics of induction generator is almost identical to induction motor,but the induction generator part is used restrictively from hydropower power and wind power development etc. Recently inductiongenerator is commonly used for micro & small hydro power applications due to its simplicity, reliability, low cost and robustness. Input and output of induction motor has turned against at the induction generator operation. Rotation speed of inductiongenerator is small faster than synchronous speed of induction motor. As output of induction machines increases with theincreasement of speed, so loss is same. Actually, generator efficiency is lower than motor at this condition. If induction generatoris connected with mechanical load such as increaser, total efficiency is decreased. Consequently the quality in compliance withan induction motor parameter applying like that in the generator is a possibility of having the error of some. In this paper,we analyzed that input, output, torque and efficiency of induction machine is different from each other above and belowsynchronous speed.
참고문헌 (6)
- M. Godoy Simoes, "Renewable Energy Systems-Design and Analysis with Induction Generators" (2004), CRC Press
- "IEEE Standard Test Procedure for Polyphase Induction Motors and Generator.", IEEE Std 112-2004, ~ (2004)
- Paul L. Cochran, "Poly Induction Motors-Analysis, Design and Application" (1989), Marcel Dekker
- John R. Smith, "Three-Phase Electrical Machine Systems-Computer Simulation" (1994), John Wiley &Sons
- K. S. Pankaj, "Application Guidelines for Induction Generators", International Conference on Electrical Machines and Drives, Milwaukee, Wisconsin, May 18-21, 1997, Paper WC1, 5.3, pp.1997[DOI]
- 김종겸, "불평형 부하 운전시 3상 유도발전기 특성 해석", 전기학회 논문지 P권, 56(3), pp.123~128 (2007), 대한전기학회