-
公开(公告)号：KR1020080057112A
公开(公告)日：2008-06-24
申请号：KR1020060130470
申请日：2006-12-19
Applicant: 한국철도기술연구원
CPC classification number: Y02T10/7241 , H02M1/42 , B60L7/10 , H02M1/32
Abstract: A device for detecting a circulating current of a regenerative inverter in a current substation and a method for controlling the same are provided to reduce a conversion time of the inverter into first and second operation modes by allowing the circulating current with a predetermined value in a standby mode. A device for detecting a circulating current of a regenerative inverter in a current substation includes a DC sensing device for sensing a DC current of a diode rectifier(13). A controller(20) controls to absorb regenerative power in an AC power system stage(11) by operating the regenerative inverter only when the DC current sensed by the DC sensing device is less than an allowed circulating current.
Abstract translation: 提供一种用于检测当前变电站中的再生逆变器的循环电流的装置及其控制方法，以通过在待机状态下允许具有预定值的循环电流来将逆变器的转换时间减少到第一和第二操作模式 模式。 用于检测电流变电站中的再生逆变器的循环电流的装置包括用于感测二极管整流器（13）的直流电流的直流感测装置。 控制器（20）通过仅当直流感测装置感测到的直流电流小于允许的循环电流时才通过操作再生逆变器来控制交流电力系统级（11）中的再生电力。
-
公开(公告)号：KR100483807B1
公开(公告)日：2005-04-20
申请号：KR1020020025360
申请日：2002-05-08
Applicant: 한국철도기술연구원
IPC: B60L7/16
CPC classification number: Y02T10/7241
Abstract: 본 발명은 회생용 3레벨 피더블유엠 컨버터를 이용한 전동차 직류전원 공급 시스템에 관한 것으로;
그 목적은 전동차량의 운전중 발생되는 잉여분의 직류전력을 교류모선으로 회생토록 함과 동시에 고조파를 저감시키고, 또한, 상기 회생되는 전력을 고효율로 제어할 수 있도록 한 회생용 3레벨 피더블유엠 컨버터를 이용한 전동차 직류(DC)전원 공급 시스템을 제공함에 있는 것이며, 다른 목적으로는 회생용 3레벨 컨버터에 의한 안정적인 전압 공급작용으로서, 전동차량간의 이격거리를 줄이고, 전동차량 운행에 따른 안전성을 상승되도록 함과 동시에, 회생시 남는 전력은 전원으로 환원 되도록 하여 유용한 에너지 활용기능을 행할 수 있도록 한 회생용 3레벨 피더블유엠 컨버터를 이용한 전동차 직류(DC)전원 공급 시스템을 제공함에 있는 것이다.
따라서, 상기 목적을 달성하기 위한 본 발명의 구체적인 수단으로는;
전원공급수단인 3상 교류전원과, 전압조절 수단인 변압기와, 교류전력에서 직류전력을 얻기 위한 정류기와, 전기회로의 개폐수단인 차단기와, 전동차량에 전력을 공급하는 급전선으로 이루어진 전동차량 직류전원 공급 시스템에 있어서;
상기, 정류기를 고역율의 순변환과 역변환 기능을 갖는 3레벨 피더블유엠 (PWM : 펄스폭 변조) 컨버터로 구성하여, 전동차량의 전원으로 공급되는 교류전력을 직류전력으로 공급, 회생 되도록 함으로서 달성된다.-
公开(公告)号：KR1020040060603A
公开(公告)日：2004-07-06
申请号：KR1020020087410
申请日：2002-12-30
Applicant: 한국철도기술연구원
IPC: B60L7/10
CPC classification number: Y02T10/7241
Abstract: PURPOSE: A parallel DC voltage feeding system corresponding to a regenerative electric rail car is provided to maintain the constant voltage by using a rectification unit and a PWM converter to supply the voltage. CONSTITUTION: A parallel DC voltage feeding system corresponding to a regenerative electric rail car includes a PWM converter and a rectification unit. The PWM converter and the rectification unit are connected in parallel to each other. The PWM converter and the rectification unit are used for supplying DC voltage to an electric rail car. The regenerative power is supplied to the electric rail car by using a DC/AC conversion method. The parallel DC voltage feeding system further includes a three-phase voltage type power converter.
Abstract translation: 目的：提供一个对应于再生电动轨道车辆的并联直流电压馈送系统，通过使用整流单元和PWM转换器来提供电压来维持恒定电压。 构成：对应于再生电动轨道车的并联直流电压馈送系统包括PWM转换器和整流单元。 PWM转换器和整流单元彼此并联连接。 PWM转换器和整流单元用于向电动轨道车辆提供直流电压。 再生电力通过使用DC / AC转换方式供给到电动车厢。 并联DC电压馈送系统还包括三相电压型功率转换器。
-
公开(公告)号：KR1020040055140A
公开(公告)日：2004-06-26
申请号：KR1020020081757
申请日：2002-12-20
Applicant: 한국철도기술연구원
IPC: G01M17/08
Abstract: PURPOSE: A daily check system for maintenance of railway vehicles is provided to reduce costs required for checking the railway vehicles by including a railway vehicle confirmation part, a wheel measurement part, a pantograph measurement part, a control part, and a display part. CONSTITUTION: A daily check system for maintenance of railway vehicles includes a railway vehicle confirmation part(10), a wheel measurement part(20), a pantograph measurement part(31), a control part(60), and a display part(71). The railway vehicle confirmation part(10) includes a train entering sensor capable of recognize a type of a vehicle, and a number of the vehicle by detecting that the train enters and checks the railway vehicle. The wheel measurement part(20) transmits wheel state signals by measuring a life time and a wheel abrasion state of the railway vehicle checked by the railway vehicle confirmation part(10).
Abstract translation: 目的：提供铁路车辆维修的日常检查系统，以减少检查铁路车辆所需的费用，包括铁路车辆确认部件，车轮测量部件，受电弓测量部件，控制部件和显示部件。 规定：铁路车辆维修的日常检查系统包括铁路车辆确认部（10），车轮测量部（20），受电弓测量部（31），控制部（60）和显示部（71 ）。 铁路车辆确认部（10）包括能够识别车辆的类型的列车进入传感器和通过检测列车进入和检查铁路车辆的车辆的数量。 车轮测量部件（20）通过测量由铁路车辆确认部件（10）检查的铁路车辆的寿命和车轮磨损状态来传送车轮状态信号。
-
Patent Agency Ranking
公开(公告)号：KR100435983B1
公开(公告)日：2004-06-12
申请号：KR1020010049580
申请日：2001-08-17
Applicant: 한국철도기술연구원
IPC: B60L3/00
Abstract: PURPOSE: A target speed tracking control system for an automatic train operation is provided to stop the train at the preset stop position in an accurate and stable manner, while achieving improved efficiency and stability of the train operation. CONSTITUTION: A target speed tracking control system receives command regarding the speed of the train through an automatic train control from a track circuit during the train operation. A jerk profile for permitting the train to shift from the current speed to the target speed is obtained, wherein the jerk profile satisfies both acceleration and jerk limits. Thus-obtained jerk profile is integrated twice, to thereby obtain a speed profile.
Abstract translation: 目的：提供一种用于自动列车运行的目标速度跟踪控制系统，以在准确和稳定的方式下将列车停在预设停止位置，同时提高列车运行的效率和稳定性。 构成：目标速度跟踪控制系统在列车运行期间通过来自轨道电路的自动列车控制接收关于列车速度的命令。 用于允许列车从当前速度转换到目标速度的加加速度曲线被获得，其中加速度曲线满足加速度和加加速度限制。 这样得到的冲击曲线被整合两次，从而获得速度曲线。
-
公开(公告)号：KR1020030087340A
公开(公告)日：2003-11-14
申请号：KR1020020025360
申请日：2002-05-08
Applicant: 한국철도기술연구원
IPC: B60L7/16
CPC classification number: Y02T10/7241
Abstract: PURPOSE: A motor car DC power supply system is provided to regenerate the residual DC power generated during the operation of the motor car to the AC bus, while reducing harmonic, and to allow improved efficiency of control of the regenerated power. CONSTITUTION: A motor car DC power supply system comprises a three-phase AC power serving as a power supply; a transformer serving as a voltage controller; a rectifier for obtaining a DC power from an AC power; a circuit breaker; and a feeder line for supplying a power to a motor car. The rectifier is constituted by a 3-level PWM converter for converting a power in forward and reverse directions. The AC power supplied to the motor car is converted into a DC power.
Abstract translation: 目的：提供一种汽车直流电源系统，用于将电动车操作期间产生的剩余直流电力再生到交流总线，同时减少谐波，并提高再生电力的控制效率。 规定：汽车直流电源系统包括用作电源的三相交流电; 用作电压控制器的变压器; 用于从AC电力获得DC电力的整流器; 断路器; 以及用于向电动汽车供电的馈线。 整流器由用于转换正向和反向功率的3电平PWM转换器构成。 提供给电动汽车的交流电力被转换成直流电力。
-
公开(公告)号：KR1020030054578A
公开(公告)日：2003-07-02
申请号：KR1020010084755
申请日：2001-12-26
Applicant: 한국철도기술연구원
IPC: H02H7/122
Abstract: PURPOSE: An inverter control apparatus is provided to be capable of controlling an abnormal voltage increase of a DC link stage owing to an overcurrent probability at an acceleration and regeneration at a deceleration. CONSTITUTION: An overcurrent interrupt generating part outputs a fault signal with respect to an overcurrent so that a processor part processes an interrupt operation when a current over a limited value is detected. The overcurrent interrupt generating part constructs a signal differently input from a current detecting part via a three-phase full-wave rectifier. A voltage detecting and overcurrent interrupt generating part detects a current voltage so that the processor part copes with an overvoltage and generates an interrupt signal with respect to the overvoltage.
Abstract translation: 目的：提供一种逆变器控制装置，其能够控制由于加速时的过电流概率和减速时的再生而导致的直流链路级的异常升压。 构成：过电流中断产生部分相对于过电流输出故障信号，使得当检测到超过限制值的电流时，处理器部分处理中断操作。 过电流中断产生部通过三相全波整流器构成不同地从电流检测部输入的信号。 电压检测和过电流中断产生部分检测电流电压，使得处理器部分处理过电压并且产生相对于过电压的中断信号。
-
公开(公告)号：KR1020030046830A
公开(公告)日：2003-06-18
申请号：KR1020010077098
申请日：2001-12-06
Applicant: 한국철도기술연구원
IPC: B60L9/00
CPC classification number: Y02T10/7241
Abstract: PURPOSE: A variable power drive control system is provided to enable a railway vehicle to travel directly without exchange of a railway vehicle by corresponding elastically according to a railway system and a power supply manner of each nation. CONSTITUTION: A TAP transformer(10) is supplied with a variable power. A PWM converter(20) converts a power from the TAP transformer into a power suitable for a railway vehicle drive control system. A serial-parallel circuit converter(30) converts an input signal from the PWM converter(20) into a state needed for the railway vehicle propulsion control system. An inverter(40) of a serial connection structure inverts a polarity of a signal from the serial-parallel circuit converter(30) to convert a power. A plurality of electric motors(50) are supplied with a driving power needed for a railway vehicle travel from the inverter(40).
Abstract translation: 目的：提供可变动力驱动控制系统，使铁路车辆能够根据每个国家的铁路系统和电力供应方式弹性地相应地交换铁路车辆。 构成：TAP变压器（10）具有可变功率。 PWM转换器（20）将来自TAP变压器的功率转换成适用于铁路车辆驱动控制系统的功率。 串并联电路转换器（30）将来自PWM转换器（20）的输入信号转换为铁路车辆推进控制系统所需的状态。 串行连接结构的逆变器（40）将来自串并联电路转换器（30）的信号的极性反转以转换功率。 多个电动机（50）从逆变器（40）被供给铁路车辆行驶所需的驱动力。
-
公开(公告)号：KR1020030015699A
公开(公告)日：2003-02-25
申请号：KR1020010049580
申请日：2001-08-17
Applicant: 한국철도기술연구원
IPC: B60L3/00
Abstract: PURPOSE: A target speed tracking control system for an automatic train operation is provided to stop the train at the preset stop position in an accurate and stable manner, while achieving improved efficiency and stability of the train operation. CONSTITUTION: A target speed tracking control system receives command regarding the speed of the train through an automatic train control from a track circuit during the train operation. A jerk profile for permitting the train to shift from the current speed to the target speed is obtained, wherein the jerk profile satisfies both acceleration and jerk limits. Thus-obtained jerk profile is integrated twice, to thereby obtain a speed profile.
Abstract translation: 目的：提供一种用于自动列车运行的目标速度跟踪控制系统，以精确稳定的方式将列车停在预设停止位置，同时实现提高列车运行的效率和稳定性。 构成：目标速度跟踪控制系统通过列车运行期间轨道电路的自动列车控制接收关于列车速度的指令。 获得用于允许列车从当前速度转移到目标速度的加加速度曲线，其中加加速度曲线满足加速度和加加速度限制。 这样获得的加加速度曲线被集成两次，从而获得速度曲线。
-
-
-
-
-
-
-
-
Search Results
49
records
(took 0.021 seconds)
