전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제66권8호
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  • Pages.1207-1214
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  • 2017
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  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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전자기형 리타더의 전력회수장치 및 회생전압제어에 대한 연구

A Study on Electromagnetic Retarder's Power Recovery System and Regenerating Voltage Control

  • Jung, Sung-Chul (Dept. of Electrical and Electronic Engineering, Dankook University) ;
  • Ko, Jong-Sun (Dept. of Electrical and Electronic Engineering, Dankook University)
  • 투고 : 2017.01.19
  • 심사 : 2017.07.17
  • 발행 : 2017.08.01
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초록

In the case of frequent braking, when driving downhill or long distance, conventional brakes using friction are problematic in braking safety due to brake rupture and fading phenomenon. Therefore auxiliary brakes is essential for heavy vehicles. And several research has been actively conducted to improve energy efficiency by regenerating mechanical energy into electric energy when the vehicles brake. In this paper, a voltage control method is utilized to recover the electric energy generated in the electromagnetic retarder instead of the eddy current. To regenerate the braking energy into the electrical energy, a resonant L-C circuit is configured in the retarder. The retarder can be modeled as self-excited induction generator due to its operating principle. The driving conditions according to the retarder's parameters are made into 3-D maps. Also, the voltage of the resonant circuit changing depending on the driving pulse applied to the FET was analyzed. For the control of this voltage, we proposed an algorithm using the PI controller. The controlled voltage is converted by a 3-phase AC/DC converter and then charged to a battery inside the heavy vehicles through a DC/DC converter. Electromagnetic retarder and its controller are validated using Matlab Simulink. We also demonstrate the voltage controller through the actual M-G set experiment.

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참고문헌

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