http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Arc Detection System using a Spectrometer for Status Monitoring of a Rigid Catenary
정노건,김재문 대한전기학회 2017 Journal of Electrical Engineering & Technology Vol.12 No.6
In this paper, a system for the precise detection of arcs is proposed for a rigid catenary using a spectrometer. For this purpose, a miniature rigid catenary contact-loss simulator was used. Experiments were performed by varying the amplitude of the excitation frequency with which a real arc can occur using a simulator in the range of 5 to 15 mm. The range of the radiated wavelength of the copper, which is a material in the rigid catenary, and the irradiance were measured using a spectrometer according to the generated contact loss. In addition, the amount was monitored over time and its characteristics were analyzed. The voltage and current of the load were analyzed when the arc occurred due to contact loss. The analytical results will be applied to detect rigid catenary arcs and used as a monitoring system for real vehicles developed in the future. This will prevent abrasion and disconnection in rigid catenary systems.
전기철도차량 이선 현상 검측을 위한 TEO 및 STFT 신호처리기법 적용에 관한 연구
정노건,박철민,이재범,박영,신승권 대한전기학회 2018 전기학회논문지 Vol.66 No.11
In this paper, A technique for detecting contact loss at the input power of a railway vehicle has been studied when the contact loss occurs in the feed system. The impedance of the actual railway line was applied to the modeling of the feed system, and modeling was performed based on the performance of the electric railway vehicle. The input voltage and current of the railway vehicle through modeling were analyzed by applying TEO and STFT signal processing technique.
진보된 단상 PLL 제어방법을 이용한 8200호대 전기기관차 보조전원장치용 컨버터 제어
정노건,이을재,김재문,Jung, No-Geon,Lee, Eul-Jae,Kim, Jae-Moon 대한전기학회 2017 전기학회논문지 Vol.66 No.1
The APF (All Pass Filter) method that utilizes the computational power of the controller is most commonly used. However, since the calculation of the filter coefficient is complicated, the calculation is carried out in advance. It is difficult to apply it to the frequency fluctuation environment because the coefficient value is fixed. In this paper, a new control method of single phase PLL that can be usefully used in PWM converter device for electric railway was explained. Comparison and examination of similarities and differences between the conventional APF method PLL controller method and the newly proposed modified MA filter method PLL technique were performed. The possibility of implementation of the modified MA filter method through computer simulation was analyzed. In conclusion, the method proposed as the conclusion was applied to the APU(Auxiliary Power System) of 8200 Series Electric Locomotive and its usefulness was confirmed.
Contact Loss Simulator to Analyze the Contact Loss of a Rigid Catenary System
정노건,김재문 대한전기학회 2017 Journal of Electrical Engineering & Technology Vol.12 No.3
In this paper, a contact loss simulator for a rigid catenary system was designed and used to analyze the effect on the power source according to the conditions of the rigid catenary system and pantograph. R-bar applied to a high-speed train among the real rigid catenary system was used in the contact loss simulator for rigid catenary systems. The excitation frequency generated with the movement of the railway vehicle was simulated. The characteristics according to the frequency and amplitude of the excitation frequency and the presence or absence of pantograph movement were analyzed. This work is considered to be helpful in analyzing the characteristics of contact loss in the interface between a real rigid catenary system and a rail vehicle.
간접벡터제어를 이용한 8200대 전기기관차 인버터 제어
정노건(No-Geon Jung),장진영(Chin-Young Chang),김양수(Yang-Su Kim),김재문(Jae-Moon Kim) 한국철도학회 2014 한국철도학회 학술발표대회논문집 Vol.2014 No.10
본 논문은 8200대 전기기관차의 견인전동기를 제어하는 인버터의 추진제어 알고리즘을 분석하였으며, GTO의 비해 최신 소자인 IGBT를 적용하는 축소형 모델을 구성하여 인버터에 대한 동작 특성을 분석하였다. 또한 유도전동기를 구동하는 인버터제어로 최근 많이 적용되고 있는 간접 벡터제어를 통해 속도제어를 구현하였다. In paper, propulsion control algorithm of inverter was analyzed for controlling traction moter of the 8200 electric locomotive. And performance characteristic of inverter was analyzed by method composed of a miniature model using IGBT which is newer than GTO. And, Speed control is implemented by indirect vector control which is recently used in field of inverter control in many times.
전기철도차량 이선 현상 검측을 위한 TEO 및 STFT 신호처리기법 적용에 관한 연구
정노건(No-Geon Jung),박철민(Chul-Min Park),이재범(Jae-Bum Lee),박영(Young Park),신승권(Seung-kwon Shin) 대한전기학회 2018 전기학회논문지 Vol.67 No.11
In this paper, A technique for detecting contact loss at the input power of a railway vehicle has been studied when the contact loss occurs in the feed system. The impedance of the actual railway line was applied to the modeling of the feed system, and modeling was performed based on the performance of the electric railway vehicle. The input voltage and current of the railway vehicle through modeling were analyzed by applying TEO and STFT signal processing technique.
IGBT 소자를 이용한 8200 대 전기기관차 추진제어용 컨버터 제어
정노건(No-Geon Jung),장진영(Chin-Young Chang),김양수(Yang-Su Kim),김재문(Jae-Moon Kim) 한국철도학회 2013 한국철도학회 학술발표대회논문집 Vol.2013 No.5
8200 대 전기기관차가 도입된 이래로 추진제어 시스템의 주요장치인 전력변환시스템은 주 회로 스위칭 소자로서 GTO(Gate Turn-Off) 사이리스터를 적용하고 있다. 하지만 전력변환시스템을 구성하고 있는 주요 부품의 단종과 일부 부품의 확보가 어려워짐에 따라 유지보수비용이 크게 증가하게 되고 고장수리에 대해 신속한 대응이 어려운 실정이다. 따라서 본 논문은 8200 대 전기기관차에 대한 추진제어기술을 확보하기 위하여 최근 많이 적용되고 있는 IGBT(Insulated Gate Bipolar Transistor)를 이용하여 8200 대 전기기관차 추진제어용 컨버터를 모델링하고 제어에 따른 동작특성을 분석하였다. Power conversion system that is major unit of the propulsion control system has applied GTO thyristor as a switching semiconductor device of main circuit since introduction of the 8200 electric locomotive. But problem that quick maintenance is difficult and its cost is increasing occurs because major components of the power conversion system are discontinued. In this paper, it was analyzed the control performance characteristic of the 8200 electric locomotive propulsion control converter modeling using IGBT which is applied recently to ensure propulsion control technology.
8200호대 전기기관차 추진시스템 모델링을 이용한 응답특성분석
정노건(No-Geon Jung),장진영(Chin-Young Chang),윤차중(Cha-Jung Yun),김재문(Jae-Moon Kim) 대한전기학회 2013 전기학회논문지 Vol.62 No.11
Conventional power conversion unit that is a major part of the propulsion system has applied GTO thyristor as a switching semiconductor device of main circuit since introduction of the 8200 electric locomotive. But problem that quick maintenance is difficult and its cost is increasing occurs because major components of the power conversion unit are slowly discontinued. To solve these, in this paper, it was analyzed the response characteristic of the propulsion system modeling of the 8200 electric locomotive using IGBT which is applied recently to ensure propulsion control technology. As results of response for a Propulsion system modeling, it show that a power conversion unit is controlled by PLL(Phase-locked loop) and SVPWM(Space Voltage PWM) respectively.