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公开(公告)号：KR100458178B1
公开(公告)日：2004-11-26
申请号：KR1020010077100
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 serial-to-parallel voltage converting circuit is connected to a variable power supply line. Four inverters are connected to form a serial circuit and a parallel circuit and invert a polarity of a power signal from the serial-to-parallel voltage converting circuit so as to supply current needed for a railway vehicle travel to electric motors. When a DC power of 3000V is supplied from the variable power supply line, the inverters whose regulated voltage of a DC link terminal is 750V, are connected in series by the serial-to-parallel voltage converting circuit, so that the DC power of 3000V is converted into a DC power of 1500V. When a DC power of 1500V is supplied from the variable power supply line, the inverters whose regulated voltage of a DC link terminal is 750V, are connected in parallel by the serial-to-parallel voltage converting circuit, so that the DC power of 3000V is converted into a DC power of 750V.
Abstract translation: 目的：提供一种可变动力驱动控制系统，使得铁路车辆能够根据铁路系统和每个国家的供电方式弹性地相应地弹性地直接行驶而无需交换铁路车辆。 构成：串行至并行电压转换电路连接至可变电源线。 四个逆变器被连接以形成串联电路和并联电路，并且将来自串并 - 并联电压转换电路的电力信号的极性反转，以便将铁路车辆行驶所需的电流提供给电动机。 当从可变电源线提供3000V的直流电时，其串联到并联电压转换电路将其直流链路端的稳压电压为750V的逆变器串联连接，以使得3000V的直流电 转换成1500V的直流电。 当从可变电源线提供1500V的直流电时，其串联到并联电压转换电路将其直流链路端的稳压电压为750V的逆变器并联连接，以使得3000V的直流电 转换成750V的直流电。
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公开(公告)号：KR1020040060209A
公开(公告)日：2004-07-06
申请号：KR1020020086750
申请日：2002-12-30
Applicant: 한국철도기술연구원
IPC: G01M17/08
Abstract: PURPOSE: A system for detecting the voltage and current of a railroad car is provided to make construction easy and inexpensive by commonly using circuits and devices of the same or similar functions. CONSTITUTION: A system for detecting the voltage and current of a railroad car comprises terminals(110) installed in a terminal box(100), made of a metal capable of blocking the external noise and transmitting the signals sensed by voltage and current sensors(10) of respective electric devices and a transducer(200) having many channels and making a measurement system recognize the sensed signals by changing the current or voltage transmitted from the terminals.
Abstract translation: 目的：提供一种用于检测铁路车辆的电压和电流的系统，通过使用相同或相似功能的电路和装置，使构造简单，便宜。 构成：用于检测铁路车辆的电压和电流的系统包括安装在端子盒（100）中的端子（110），其由能够阻挡外部噪声的金属制成，并传输由电压和电流传感器（10 ）和具有许多通道的换能器（200），并且使得测量系统通过改变从端子发送的电流或电压来识别所感测的信号。
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公开(公告)号：KR1020040060208A
公开(公告)日：2004-07-06
申请号：KR1020020086749
申请日：2002-12-30
Applicant: 한국철도기술연구원
IPC: B61L23/00
Abstract: PURPOSE: A signal conversion system of a railway vehicle is provided to reduce a period of time for forming and installing a total system by collecting signal converters at a predetermined place. CONSTITUTION: A signal conversion system of a railway vehicle includes a sensor, a terminal box, a multi-channel converter, a power supply, and a measurement unit. The terminal box(20) is used for collecting and distributing signal cables for transmitting an output signal of the sensor(10). The multi-channel converter(40) is used for controlling a voltage value and converting a current signal to a voltage signal. The multi-channel converter includes a plurality of channels. The power supply(30) supplies the power to the sensor, the terminal box, and other electric units. The measurement unit(50) stores, compares, analyzes, and displays input signals.
Abstract translation: 目的：提供一种铁路车辆的信号转换系统，通过在预定位置收集信号转换器，减少整个系统的形成和安装时间。 构成：铁路车辆的信号转换系统包括传感器，接线盒，多通道转换器，电源和测量单元。 接线盒（20）用于收集和分配用于传输传感器（10）的输出信号的信号电缆。 多通道转换器（40）用于控制电压值并将电流信号转换为电压信号。 多通道转换器包括多个通道。 电源（30）向传感器，接线盒和其他电气单元供电。 测量单元（50）存储，比较，分析和显示输入信号。
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公开(公告)号：KR1020040060205A
公开(公告)日：2004-07-06
申请号：KR1020020086746
申请日：2002-12-30
Applicant: 한국철도기술연구원
Abstract: PURPOSE: An electrical load unit of a power converter is provided to reduce the test cost by simplifying a load test of an inverter for vehicle. CONSTITUTION: A smoothing reactor is used as a load of a test target. The current due to a difference between an output voltage of a tester and an output voltage of the test target is applied to both ends of the smoothing reactor. A user obtains the current of the test target as the desired current by controlling the output voltage of the test target. A current controller is used for controlling the output voltage of the test target. A load test is smoothly performed by using a feed forward control block. The feed forward control block is used as the current controller. The smoothing reactor is connected to an inverter as the test target.
Abstract translation: 目的：提供电力转换器的电气负载单元，通过简化车辆变频器的负载试验来降低测试成本。 构成：平滑电抗器用作测试目标的负载。 由于测试仪的输出电压和测试对象的输出电压之差导致的电流被施加到平滑电抗器的两端。 用户通过控制测试对象的输出电压来获得测试对象的电流作为所需的电流。 电流控制器用于控制测试对象的输出电压。 通过使用前馈控制块平滑地进行负载测试。 前馈控制块用作电流控制器。 平滑电抗器作为测试对象连接到逆变器。
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公开(公告)号：KR1020030046831A
公开(公告)日：2003-06-18
申请号：KR1020010077099
申请日：2001-12-06
Applicant: 한국철도기술연구원
IPC: B60L9/00
CPC classification number: B60L9/30 , B60L2200/26
Abstract: PURPOSE: A DC variable main circuit 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 variable voltage converting device is connected to a variable power supply line. Two inverters are connected to form a serial circuit and a parallel circuit selectively by plural mechanical switches so as to supply current needed for a railway vehicle travel to electric motors. When a DC power of 3000V is supplied from the variable power supply line, the inverters whose regulated voltage of a DC link terminal is 1500V, are connected in series by the variable voltage converting device, so that the DC power of 3000V is converted into a DC power of 1500V. When a DC power of 1500V is supplied from the variable power supply line, the inverters whose regulated voltage of a DC link terminal is 1500V, are connected in parallel by the variable voltage converting device, so that the DC power of 1500V is converted into a DC power of 3000V.
Abstract translation: 目的：提供直流可变主电路，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：可变电压转换装置连接到可变电源线。 两个逆变器被连接以通过多个机械开关选择性地形成串联电路和并联电路，以便将铁路车辆行驶所需的电流提供给电动机。 当从可变电源线提供3000V的直流电力时，直流链路端子的调节电压为1500V的逆变器由可变电压转换装置串联连接，使得3000V的直流电力转换为 直流电源1500V。 当从可变电源线提供1500V的直流电力时，直流母线端子的调节电压为1500V的逆变器由可变电压转换装置并联，使得1500V的直流电力转换为 直流电源3000V。
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Patent Agency Ranking
公开(公告)号：KR1020020092135A
公开(公告)日：2002-12-11
申请号：KR1020010031040
申请日：2001-06-02
Applicant: 한국철도기술연구원
IPC: H03K17/08
CPC classification number: H03K17/0828
Abstract: PURPOSE: An electrical inertia load control device having a gate driver for protecting IGBT(Isolation Gate Bipolar Transistor) element is provided to prevent a breakdown of the IGBT element by interrupting effectively over-current and over-voltage generated from a switching process of an inverter. CONSTITUTION: The first and the second pins(1,2) are used for receiving control signals(VIN+,VIN-). The thirteen pin(13) is used as Vcc2. The thirteenth pin(13) compares a voltage of the thirteenth pin(13) with 12V as a minimum voltage for turning on a power switch. The thirteenth pin(13) controls an output signal in order not to output the control signal to an IGBT element if the minimum voltage is less than 12V. The fourteenth pin(14) is connected with a collector of the IGBT device as a power switch. The sixteenth pin(16) is connected with an emitter of the IGBT device.
Abstract translation: 目的：提供一种具有用于保护IGBT（隔离栅双极晶体管）元件的栅极驱动器的电气惯性负载控制装置，以通过中断有效的过电流和逆变器的开关过程产生的过电压来防止IGBT元件的击穿 。 构成：第一个和第二个引脚（1,2）用于接收控制信号（VIN +，VIN-）。 十三脚（13）用作Vcc2。 第十三针（13）将第十三针（13）的电压与12V作为用于接通电源开关的最小电压进行比较。 如果最小电压小于12V，则第十三引脚（13）控制输出信号，以便不向IGBT元件输出控制信号。 第十四引脚（14）与IGBT器件的集电极连接，作为电源开关。 第十六针（16）与IGBT器件的发射极连接。
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公开(公告)号：KR1020020092133A
公开(公告)日：2002-12-11
申请号：KR1020010031038
申请日：2001-06-02
Applicant: 한국철도기술연구원
IPC: B61L25/00
Abstract: PURPOSE: A control device for testing an electrical inertia load of a railroad car is provided to reduce a manufacturing cost and a malfunction of the control device by adding a function of an A/D converter, a function of a flash ROM, and a pulse width modulation function to a high-speed operating function of existing DSP(Digital Signal Processing) portion. CONSTITUTION: A control device is formed with a power supply converter for supplying electric power to an inertia simulator, an AD converter for measuring output torque and the amount of current of the power converter, an encoder portion for measuring a speed of a motor, a power converter for reducing the power for sharing a DC link terminal, and a database unit for consuming the power to prevent a boosting phenomenon of the DC link terminal. TMS320F240 is used as a microprocessor. The TMS320F240 has a function of an A/D converter, a function of a flash ROM, and a pulse width modulation function as well as a high-speed operating function of an existing DSP portion.
Abstract translation: 目的：提供一种用于测试铁路车辆的电气惯性负载的控制装置，通过增加A / D转换器的功能，闪存ROM的功能和脉冲来减少控制装置的制造成本和故障 宽度调制功能用于现有DSP（数字信号处理）部分的高速操作功能。 构成：控制装置形成有用于向惯性模拟器供给电力的电源转换器，用于测量输出转矩的AD转换器和功率转换器的电流量，用于测量电动机速度的编码器部分 功率转换器，用于降低用于共享DC链路终端的功率;以及数据库单元，用于消耗电力以防止DC链路终端的升压现象。 TMS320F240用作微处理器。 TMS320F240具有A / D转换器的功能，闪存ROM的功能，脉宽调制功能以及现有DSP部分的高速操作功能。
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公开(公告)号：KR100345241B1
公开(公告)日：2002-07-25
申请号：KR1019990055316
申请日：1999-12-07
Applicant: 한국철도기술연구원
IPC: H03K7/00
Abstract: 본발명은도시철도용 IGBT 인버터를 600Hz 에서 1200Hz 까지의스위칭주파수를이용하여전압리플과토크리플을최소화하기위한펄스폭변조동기화방법에관한것으로, 기본파성분의영 교차를검출하는기본파영 교차단계와, 캐리어성분의영 교차를검출하는캐리어영 교차단계와, 상기기본파성분의영 교차와캐리어성분의영 교차(β)를계산하는계산단계와, θ계산과각 위상의위치에따라β를적용하여과변조영역직전에서부터왜대칭영 교차동기를매 주기마다동기화하는펄스폭변조동기단계와, 상기펄스폭변조동기의출력에따라펄스폭을변조하는펄스폭변조단계를포함하는것을그 특징으로한다. 이상에서와같이본 발명은, 도시철도용 IGBT 인버터제어를위한동기방식으로과변조영역직전에서부터왜대칭영 교차동기를매 주기마다해주므로써스위칭소음과전압리플및 토크리플을최소화시켜주는효과가있다.
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公开(公告)号：KR1020020034688A
公开(公告)日：2002-05-09
申请号：KR1020000065153
申请日：2000-11-03
Applicant: 한국철도기술연구원
IPC: H02H7/122
Abstract: PURPOSE: An over current sensor for protecting an inverter of the vehicle is provided to prevent an over current from flowing the inside of the inverter for the vehicle. CONSTITUTION: An over current sensor for protecting an inverter of the vehicle comprises a current sensor, a different input circuit unit, a rectifying circuit unit, and a hysteresis circuit unit. The current sensor detects an input current at the input terminal of the inverter. The different input circuit maintains stably the output voltage of the current sensor. The rectifying circuit unit protects the rectifying signal of the signal source output from the different input circuit unit in both direction positive and negative. The hysteresis circuit unit receives the output value of the rectifying circuit unit and sets the over current area.
Abstract translation: 目的：提供用于保护车辆变频器的过电流传感器，以防止过电流流过车辆的变频器内部。 构成：用于保护车辆的逆变器的过电流传感器包括电流传感器，不同的输入电路单元，整流电路单元和迟滞电路单元。 电流传感器检测变频器输入端的输入电流。 不同的输入电路稳定地保持电流传感器的输出电压。 整流电路单元保护来自不同输入电路单元的信号源的整流信号在正向和负向两个方向上。 迟滞电路单元接收整流电路单元的输出值，设定过电流区域。
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公开(公告)号：KR100317559B1
公开(公告)日：2001-12-24
申请号：KR1019990055315
申请日：1999-12-07
Applicant: 한국철도기술연구원
IPC: G01M17/00
Abstract: 본발명은철도차량의추진제어장치를시험하기위한모의관성부하장치에관한것으로, 본발명의목적은철도차량의추진제어장치를시험하기위한모의관성부하장치를축소제작하여제작비와시험비를절감함과동시에전동차구동제어를연구하기위한데이타값을정확하게얻을수 있음은물론전동차의견인전동기를제어하는인버터의정확한성능을시험할수 있는철도차량의모의관성부하장치를제공함에있으며, 상기한목적은진동및 소음에대응하기위한프레임부와, 싱글디스크플랙스로양체결용볼트에의해탄성체를삽입하여진동및 편심에대응하도록된 커플링부와, 전동차의관성을전동기축으로환산한등가관성을산출하여축소설계한플라이휠과, 상기플라이휠의기본하중및 최대동하중을만족하도록설계된베어링부와, 축의회전수(rpm) 및토크(torque)를실시간으로디지털처리하는토크메타부(Torque meter Part)와, 상기플라이휠(Flywheel)을정지시키는역할을하는브레이크부(Break Part)로이루어지며, 추진제어장치의견인특성시험및 기타여러시험을수행하도록전동차의관성을전동기축으로환산한등가관성을산출하여각 구성부위가설계되는철도차량의모의관성부하장치를구체적인수단으로구비하므로서달성된다.
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