公开(公告)号：KR1020080107865A

公开(公告)日：2008-12-11

申请号：KR1020070056186

申请日：2007-06-08

Applicant: 한국전기연구원

Inventor： 박정우 ,  이기욱 ,  김동욱

IPC: H02P9/34

CPC classification number: H02P9/007 ,  H02M5/4585 ,  H02M7/49 ,  H02M2007/4835 ,  H02P2207/073

Abstract: An induction generator control device of high pressure wounded type is provided to control a wounded type induction generator having high pressure specification and perform a fault ride-through function, an isolation operation avoidance function and grid voltage synchronization required in a distribution type power source power plant. A wounded type induction generator control device(500) comprises a H-bridge multi-level converter, an inductor for step-up and a step-up converter. The H-bridge multi-level converter(510) comprises a multi-level topology which is completed by serially piling up a single phase converter consisting of 2-leg IGBT on each phase and generates three phase voltage waveform and controls rotor current in order to bear slip power in rotor winding of a wounded type induction generator. The inductor for step-up produces series voltage source which the H-bridge multi-level converter requests. The step-up converter(520) consists of 3-leg IGBT.

Abstract translation: 提供一种高压伤风式感应发电机控制装置，用于控制具有高压力规格的受伤型感应发电机，并执行故障穿越功能，隔离操作回避功能和配电式电源发电厂所需的电网电压同步 。 受伤型感应发电机控制装置（500）包括H桥式多电平转换器，用于升压的电感器和升压转换器。 H桥多电平转换器（510）包括一个多电平拓扑结构，它通过串联堆叠在每相上由2脚IGBT组成的单相逆变器完成，并产生三相电压波形并控制转子电流，以便 受伤型感应发电机的转子绕组承受滑动力。 升压电感器产生H桥多电平转换器要求的串联电压源。 升压转换器（520）由3脚IGBT组成。

公开(公告)号：KR100886194B1

公开(公告)日：2009-02-27

申请号：KR1020070056186

申请日：2007-06-08

Applicant: 한국전기연구원

Inventor： 박정우 ,  이기욱 ,  김동욱

IPC: H02P9/34

CPC classification number: H02P9/007 ,  H02M5/4585 ,  H02M7/49 ,  H02M2007/4835 ,  H02P2207/073

Abstract: 멀티레벨 변환기 토폴로지(topology)를 갖는 새로운 권선형유도발전기 제어방식을 제시하여, 고압 사양을 갖는 권선형유도발전기를 제어할 수 있도록 하며, 분산형 전원 발전설비에서 요구되는 fault ride-through 기능과 고립 운전 회피 기능을 수행할 수 있는 계통 연계형 권선형 유도 발전기 제어장치가 개시되어 있다. H-브리지 멀티레벨 변환기는 각 상마다 2-leg IGBT로 구성된 단위모듈을 직렬로 연결하여 3상 전압 파형을 발생하고, 슬립 전력을 제어한다. 3상 IGBT 승압 변환기는 상기 H-브리지 멀티레벨 변환기에서 요구하는 다수의 독립된 직류 전압원을 생성한다.
신재생에너지, 권선형 유도발전기, 멀티레벨 컨버터, 슬립 전력제어

公开(公告)号：KR100729852B1

公开(公告)日：2007-06-18

申请号：KR1020050122845

申请日：2005-12-14

Applicant: 한국전기연구원

Inventor： 박정우 ,  이기욱 ,  김동욱

IPC: H02K9/26

Abstract: A control system with a three-phase and four-wire converter for an induction generator is provided to control effective power and power factor of a stator by using a converter of the generator and to control a DC link voltage and power factor of a grid-side by using a grid-side converter. A control system with a three-phase and four-wire converter for an induction generator controls the induction generator by connecting an input stage to the induction generator and an output stage to a three-phase AC line connecting the generator and a load. Three pairs of switching devices comprising one transistor and one reversely connected diode are connected to the generator, and the three circuits are connected to the three-phase and three-wire converter circuit. A neutral leg connected to two unit switching devices is added to the converter in parallel to apply an image voltage for controlling a neutral current of the load in case of unbalanced load condition. Each output stage of the three unbalanced loads is connected to a three-phase line of the load, and the input stage is connected to one neutral point in common and then is connected to the center of the added leg.

Abstract translation: 本发明提供一种用于感应发电机的具有三相四线转换器的控制系统，其通过使用发电机的转换器来控制定子的有效功率和功率因数，并且控制直流链电压和功率因数， 通过使用网侧变流器。 具有用于感应发电机的三相和四线转换器的控制系统通过将输入级连接到感应发电机以及将输出级连接到连接发电机和负载的三相AC线来控制感应发电机。 三对开关器件包括一个晶体管和一个反向连接的二极管连接到发生器，并且三个电路连接到三相和三线转换器电路。 连接到两个单元开关装置的中性支路被并联地添加到转换器，以在不平衡负载情况下施加用于控制负载的中性电流的图像电压。 三个不平衡负载的每个输出级连接到负载的三相线，输入级连接到一个共同的中性点，然后连接到所添加的支路的中心。

公开(公告)号：KR100668118B1

公开(公告)日：2007-01-16

申请号：KR1020050135062

申请日：2005-12-30

Applicant: 한국전기연구원

Inventor： 박정우 ,  이기욱 ,  김동욱

IPC: H02M3/38

CPC classification number: H02P9/46 ,  H02J3/386 ,  H02P9/007 ,  Y02E10/763

Abstract: A power converting apparatus and a method for controlling a winding wire type induction generator are provided to generate a stable smoothing voltage without stopping a new regeneration energy source in an unbalance condition by having a system side converter of three phase four lines. A power converting apparatus for controlling a winding wire type induction generator includes a synchronizing generator(200), a sub converter(300), and a power converting apparatus having a generator side converter(410), a DC link capacitor(420), and a system side converter(430). The synchronizing generator(200) generates independent sub power separately from the winding wire type induction generator. The sub converter(300) converts energy provided from the synchronizing generator(200) into DC power. The sub converter(300) provides the converted power to the power converting apparatus. The generator side converter(410) converts AC power of electric energy which is converted in the winding wire type induction generator into the DC power. The DC link capacitor(420) is arranged between the generator side converter(410) and the system side converter(430). The DC link capacitor(420) is connected to the sub converter(300) in parallel and stores electric energy. The serial side converter(430) converts the DC power converted in the generator side converter(410) into AC power, and provides the converted AC power to an AC system.

Abstract translation: 提供了一种用于控制绕组线型感应发电机的电力转换装置和方法，以通过具有三相四线的系统侧转换器来产生稳定的平滑电压，而不会在不平衡状态下停止新的再生能量源。 一种用于控制绕组线型感应发电机的电力转换装置，包括同步发生器（200），副转换器（300）和具有发电机侧转换器（410）的电力转换装置，直流链路电容器（420）和 系统侧转换器（430）。 同步发生器（200）与绕组线式感应发电机分开产生独立的次级功率。 副转换器（300）将从同步发生器（200）提供的能量转换为直流电力。 子转换器（300）将转换后的功率提供给电力转换装置。 发电机侧转换器（410）将在绕组线式感应发电机中转换的电能的交流电力转换成直流电力。 直流链路电容器（420）布置在发电机侧转换器（410）和系统侧转换器（430）之间。 直流链路电容器（420）并联连接到副转换器（300）并存储电能。 串行侧转换器（430）将在发电机侧转换器（410）中转换的直流电力转换为交流电力，并将转换的交流电力提供给交流系统。

公开(公告)号：KR100768040B1

公开(公告)日：2007-10-17

申请号：KR1020060088161

申请日：2006-09-12

Applicant: 한국전기연구원

Inventor： 박정우 ,  이기욱 ,  김동욱

IPC: H02P21/00

CPC classification number: H02P9/007 ,  H02P9/46 ,  H02P2103/10

Abstract: A controller device for a doubly-fed induction generator with automatic grid synchronization is provided to reduce operation time and cost by removing a respective reset process of a synchronization angle when encoders are not be uniformly mounted at a specific position. A controller device for a doubly-fed induction generator with automatic grid synchronization includes a doubly-fed induction generator(410), a grid(420), a power conversion device(430), a control device(440), a slip angle calculator(450), and a synchronization unit(460). The slip angle calculator(450) receives a rotational angle from the doubly-fed induction generator(410), an offset angle generated from the synchronization unit(460), and a stator angle calculated from the stator voltage and inputs a slip angle to the control device(440). The synchronization unit(460) calculates the offset angle for controlling the synchronization angle and outputs the offset angle to the slip angle calculator(450), and complementary component of the d-axis current component and the q-axis component of the stator current and the control device(440).

Abstract translation: 提供一种用于具有自动电网同步的双馈感应发电机的控制器装置，通过在编码器不被均匀地安装在特定位置时去除相同的同步角度的复位过程来减少操作时间和成本。 一种用于具有自动电网同步的双馈感应发电机的控制器装置，包括双馈感应发电机（410），电网（420），电力转换装置（430），控制装置（440），滑移角计算器 （450）和同步单元（460）。 滑移角计算器（450）从双馈感应发电机（410）接收旋转角度，从同步单元（460）产生的偏移角度和从定子电压计算的定子角度，并将滑移角输入到 控制装置（440）。 同步单元（460）计算用于控制同步角度的偏移角度并将偏移角输出到滑移角计算器（450），并且将d轴电流分量和定子电流的q轴分量的互补分量和 控制装置（440）。