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    • 6. 发明授权
    • 변형 감지 시스템 및 감지 방법
    • 变形检测系统和检测方法
    • KR101817070B1
    • 2018-02-21
    • KR1020120002802
    • 2012-01-10
    • 재단법인 포항산업과학연구원
    • 박태준김태원한무호
    • F27B3/28F27B3/08C21C5/52
    • Y02P10/216
    • 본발명은측정대상물특히, 전기로와같이열적불균형, 내부내화물의손상등의이유로외형에있어서변형이발생할수 있는측정대상물인변형을감지하기위한시스템및 방법이다. 변형감지방법은측정대상물원주면을따라등간격으로설치되어원주방향, 반경방향및 높이방향중 적어도하나이상에대한변위량을측정하는 3개이상의센서부로부터각각변위량신호를수신하고, 인접한 2개의센서부로부터수신된변위량으로부터측정대상물의변형발생량과변형발생위치를계산할수 있다. 이로부터측정대상물에비정상적인변형이발생한경우변형발생위치와변형발생량을신속하고도정확하게감지하여대처할수 있다.
    • 本发明是用于检测被测定可导致的原因,其中包括热不平衡的外观的变化的对象的应变的系统和方法,到物体的内部耐火损坏要被测量,例如特别是,电炉中。 应变检测方法被安装在沿主表面测量对象原始圆周方向等间隔,各从三个或更多个传感器单元,其测量为在径向和垂直方向中的至少一个的位移量,并且两个相邻的传感器接收的位移信号 测量对象的变形量和变形发生位置可以根据从单元接收到的位移量来计算。 由此,当在测量对象中发生异常变形时,能够快速且准确地检测和处理变形发生的位置和变形发生的量。
    • 9. 发明公开
    • 자동 전압 조정 기능을 가지는 새그 보상 장치
    • 用于补偿具有自动电压控制功能的动力电源故障的装置
    • KR1020140079607A
    • 2014-06-27
    • KR1020120147668
    • 2012-12-17
    • 재단법인 포항산업과학연구원
    • 김태원박태준
    • H02H1/04H02J3/12
    • H02J3/12H02H1/04
    • Provided is a sag compensation device with an automatic voltage regulation function. The sag compensation device with the automatic voltage regulation function includes a first converter which converts an AC input voltage inputted to an input terminal into a DC voltage and stores the DC voltage in a first storage unit; a second converter which drops the DC voltage in the first storage unit and stores the dropped voltage in a second storage unit; an inverter which converts the DC voltage stored in the first storage unit into a serial compensation voltage of an AC type; and a serial compensation transformer which outputs an AC output voltage with a preset size obtained by adding a serial compensation voltage to the AC input voltage to an output terminal. Therefore, the present invention can prevent load which is sensitive for voltage fluctuation and malfunction of the device.
    • 具有自动调压功能的下垂补偿装置。 具有自动电压调节功能的下垂补偿装置包括:第一转换器,将输入到输入端的交流输入电压转换为直流电压,并将直流电压存储在第一存储单元中; 第二转换器,其降低所述第一存储单元中的DC电压并将所述下降的电压存储在第二存储单元中; 逆变器,将存储在第一存储单元中的DC电压转换为AC型的串行补偿电压; 以及串行补偿变压器,其输出通过将AC输入电压的串行补偿电压加到输出端子而获得的预设大小的AC输出电压。 因此,本发明可以防止对电压波动敏感的装置和装置的故障。
    • 10. 发明公开
    • 정지형 무효전력 보상기용 TCR 제어 장치
    • 用于静态补偿器的电容器控制反应器的控制装置
    • KR1020130076112A
    • 2013-07-08
    • KR1020110144551
    • 2011-12-28
    • 주식회사 포스코재단법인 포항산업과학연구원포스코신기술연구조합
    • 김태원박태준한무호
    • G05F1/70
    • PURPOSE: A thyristor controlled reactor (TCR) control apparatus for a static Var compensator is provided to improve power factor and stability of a system voltage by compensating reactive power which varies rapidly like an electric furnace. CONSTITUTION: A positive phase sequence current calculation unit (111) calculates a positive phase sequence reactive current by converting a load current of each phase into a value of DQ synchronous rotation coordinate system. A compensation current calculation unit (113) calculates a compensation current of each phase by using the positive phase sequence reactive current, a negative phase sequence active current and a negative phase sequence reactive current. A reactive current control unit (122) calculates a compensation value for reactive power of each phase by performing PI control of error of the line reactive power of each phase and a pre-established reference reactive power. A firing angle calculation unit (13) determines a firing angle of a TCR by using the compensation current of each phase calculated in an open loop control unit and the reactive power compensation value calculated in a closed loop control unit. [Reference numerals] (111) Positive phase sequence current calculation unit; (112) Negative phase sequence current calculation unit; (113) Compensation current calculation unit; (114) Phase detection unit; (115) Susceptance conduction angle calculation unit; (121) Reactive power calculation unit; (122) Reactive power control unit; (13) Firing angle calculation unit
    • 目的:提供一种用于静态Var补偿器的晶闸管控制电抗器(TCR)控制装置,通过补偿像电炉这样快速变化的无功功率来提高系统电压的功率因数和稳定性。 构成:正相序电流计算单元(111)通过将各相的负载电流转换为DQ同步旋转坐标系的值来计算正相序无功电流。 补偿电流计算单元(113)通过使用正相序无功电流,负相序有功电流和负相序无功电流来计算各相的补偿电流。 无功电流控制单元(122)通过对各相的线路无功功率的误差进行PI控制和预先设定的基准无功功率来计算各相的无功功率的补偿值。 触发角计算单元(13)通过使用在开环控制单元中计算的每相的补偿电流和在闭环控制单元中计算的无功功率补偿值来确定TCR的触发角。 (附图标记)(111)正相序电流计算单元; (112)负相序电流计算单元; (113)补偿电流计算单位; (114)相位检测单元; (115)感应导导角计算单元; (121)无功功率计算单元; (122)无功功率控制单元; (13)点火角度计算单元