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전지용 한국러시아문학회 2004 러시아어문학 연구논집 Vol.17 No.-
The purpose of this article is to examine Herzen's view of 'intellectuals'(intelligentsia). His view of intellectuals is important, for he was a father of Russian narodnichestvo and his view of intelligentsia was the foundation of Russian narodnichestvo. Herzen rejected the doctrine of radicalists, because he believed that 'the submission of individual to society, to people, to humanity, to the Idea, is merely a continuation of human sacrifice, of the immolation of the lamb to pacify God'. He did adhere to his rationalism. During he was a youth, he taught his domain serf to read and write. Later, in his letters to G. Mazzini, B. H. Chicherin, and M. Bakunin, Herzen told as 'until they(society and her problems) are completely transformed,' 'the mir that rational and autonomous human lived in,' and 'the future federation that every sovereign nation join with her self-determination'. These presentations shows us that he hope for the ideal society on the liberty and self-determination. Considering his view as the 'people' was passive, we can understand that he regarded as the men who ought to prepare and make the ideal society were not 'people' but the other class or group. Herzen thought that the men who ought to serve this obligation were 'intelligentsia'. Herzen's 'intellectuals' are not the lord of future society, but his 'intellectuals' are the one who ought to service for the people and the future society. Because, 'intellectuals' owed the people a great deal of debt for the development of civilization. He hated bourgeois, because they represented the culture of commerce. But, he did not divided 'intellectuals' and 'nobility'. Although, the age of nobility is ended already, the 'nobility' as intellectuals and rationalists ought to service for the future society and the people. Because, they attached to his honor and morality.
3상 전압형 PWM 컨버터 운전시전원측 리액터의 불평형을 고려한 보상법
전지용,이사영,조유환 전력전자학회 2005 전력전자학회 논문지 Vol.10 No.4
In this paper, the control algorithm of DC source device for inverter starting is proposed and the control method for compensating unbalance system source on operating time in the voltage type PWM converter with driving and regenerative faculty is suggested. The maintaining way of balancing condition for converter of AC source is used the compensating unbalanced status by current control loop. Because it is possible that the unbalanced System control is used to leakage transformer not equaled reactance by each phase in rectifier system, the proposed H/W and control algorithm of rectifier system is contributed to minimize of device and rising efficiency. 본 논문에서는 인버터를 구동하는 용도의 직류전원장치에 대한 제어 알고리즘 개발을 목표로 하고 있으며, 구동과 회생기능을 갖는 전압형 PWM 컨버터에서 운전시 전원의 불평형을 보상하는 제어방법을 제안 한다.교류전원에 대하여 컨버터가 항상 평형상태를 유지하는 방법은 전류제어 루프에 의하여 불평형 상태를 보상하는 방법을 사용하였으며, 불평형의 제어는 전력변환기의 구성면에 있어서 각상의 리액턴스가 같지 않은 누설변압기 등의 사용을 가능하게 하므로 제안된 전력변환기의 하드웨어와 제어 알고리즘은 장치의 소형화와 효율향상에 기여할 것이다.
전원측 리액터 불평형을 고려한 전압형 컨버터의 전류 보상 제어기 구현
전지용,조유환,이근홍 한국산학기술학회 2004 한국산학기술학회논문지 Vol.5 No.5
본 연구에서는 인버터를 구동하는 용도의 직류전원장치에 대한 제어 알고리즘 개발을 목표로 하고 있으며, 구동과 희생기능을 갖는 전압형 PWM 컨버터에서 운전시 전원의 불평형을 보상하는 제어방법을 제안하고자 한다. 이를 위해 전력회생기능을 갖는 정류기에 대하여 기존 다이오드 및 SCR을 이용한 정류방식과의 비교를 통해 본 제어방식의 우수성을 시뮬레이션과 실험을 통해 입증하고자 한다. 전력변환기가 항상 평형상태를 유지하기 위해 전류제어 루프에 의하여 불평형 상태를 보상하는 방법을 사용하였으며, 통상적으로 전력변환기의 구성시 각상의 리액턴스가 같지 않은 누설변압기 등의 사용을 가능하게 하므로 제안된 전력변환기의 리액턴스가 불평형상태가 되어도 운전시 항상 평형상태로 유지되어 시스템을 안정적으로 구동 시킬 수 있는 제어기법의 설계를 통해 어떤 환경에서도 장치의 안정된 구동특성을 확인하고자 하였다. In this paper, the control algorithm of DC source device for inverter starting is proposed and the control method for compensating unbalance system source on operating time in the voltage type PWM converter with driving and regenerative faculty is suggested. The maintaining method of balancing condition for converter of AC source is used the compensating unbalanced status by current control loop. In order to solve the problem which the unbalanced system control is used to leakage transformer not equaled reactance by each phase in rectifier system. The proposed H/Wand control algorithm of rectifier system is contributed to minimize of device and rising efficiency.