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81. 发明授权

EP3002771B1 ACTUATOR FOR CIRCUIT BREAKER AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译：电路断路器的执行器及其制造方法
公开(公告)号：EP3002771B1
公开(公告)日：2018-04-25
申请号：EP15186711.6
申请日：2015-09-24
申请人： LSIS Co., Ltd.
发明人： JANG, Jun Yong
IPC分类号： H01H50/36 , H01H50/42
CPC分类号： H01H50/18 , H01H49/00 , H01H50/36 , H01H50/42
摘要： The present invention relates to an actuator for a circuit breaker and a fabrication method thereof, and more particularly, to an actuator for a circuit breaker including a frame, a coil provided at both inner sides of the frame, a permanent magnet disposed adjacent to the coil, a first yoke located to surround the coil to form a main magnetic path, and a second yoke provided at a lower side of the first yoke to form an auxiliary magnetic path, wherein fitting portions are provided at both ends of the second yoke, and fitting holes are formed at both upper sides of the first yoke to fit the fitting portions thereinto, and engaging protrusions are formed at both upper sides of the fitting holes to closely fix the fitting portions to the fitting holes in an inward direction, and a fabrication method thereof. The present disclosure may fix the second yoke without using an upper cover and a lower cover, thereby having an effect of simplifying the entire structure, and reducing the fabrication cost, and decreasing the fabrication time.

82. 发明授权

EP2822174B1 Apparatus for determining start of electric machine 失效
标题翻译：确定电机启动的装置
公开(公告)号：EP2822174B1
公开(公告)日：2018-04-25
申请号：EP14173425.1
申请日：2014-06-23
申请人： LSIS Co., Ltd.
发明人： Yoo, Anno
IPC分类号： H02P1/26 , H02P6/18 , H02P21/14
CPC分类号： H02P6/20 , H02P1/265 , H02P6/18 , H02P21/18
摘要： An apparatus for determining start of electric machine is disclosed wherein a frequency of a 3-phase current inputted from a motor is estimated to determine whether the motor has started using a difference between the estimated frequency and a frequency of output voltage of inverter configured to drive the motor.

83. 发明公开

EP2627000A3 Method for controlling an inverter 有权
标题翻译：控制逆变器的方法
公开(公告)号：EP2627000A3
公开(公告)日：2018-04-04
申请号：EP13154418.1
申请日：2013-02-07
申请人： LSIS Co., Ltd.
发明人： Chi, Min Hun
IPC分类号： H02P23/00 , H02P27/06 , H02P21/00
摘要： Provided is a method for controlling an inverter, the method comprising calculating an optimal speed, determining a final speed as the optimal speed when a command speed is higher than a rated speed level of a motor, and determining the final speed as the command speed when the command speed is lower than or equal to the rated speed level, or higher than a predetermined optimal speed level.
摘要翻译：提供了一种用于控制逆变器的方法，所述方法包括：当命令速度高于电动机的额定速度水平时，计算最佳速度，确定最终速度作为最优速度，并且当将最终速度确定为命令速度时指令速度低于或等于额定速度水平，或高于预定的最佳速度水平。

84. 发明授权

EP3057015B1 METHOD FOR CORRECTING ELECTRIC POWER LOSS IN AN HVDC SYSTEM 有权
标题翻译：一种修正高压直流输电系统电力损耗的方法
公开(公告)号：EP3057015B1
公开(公告)日：2018-03-21
申请号：EP15202463.4
申请日：2015-12-23
申请人： LSIS Co., Ltd.
发明人： CHOI, Yongkil , CHOI, Hoseok
IPC分类号： G06F17/50 , H02J3/36 , H02M7/757
CPC分类号： G01R21/133 , G06F17/5009 , H02J3/36 , H02J2003/007 , H02M7/7575 , Y02E60/60
摘要： A method for measuring electric power loss of a high voltage direct current (HVDC) system comprises the steps of measuring the amount of transmission electric power and the amount of receiving electric power; calculating a first electric power loss amount based on a difference value between the measured amount of the transmission electric power and the measured amount of the receiving electric power; calculating the amount of loss generated in each of positions in the HVDC system based on an impedance value of each of the positions; calculating a second electric power loss amount based on a sum value of the calculated loss amounts; and determining a correcting value for correcting the amount of electric power loss generated in the HVDC system based on a difference value between the first electric power loss amount and the second electric power loss amount.

85. 发明公开

EP3291272A1 MULTI-POLE MOLDED CASE CIRCUIT BREAKER WITH INSULATION BARRIER FOR ROTARY PIN 有权
标题翻译：多极塑壳断路器，带绝缘屏障，用于旋转销
公开(公告)号：EP3291272A1
公开(公告)日：2018-03-07
申请号：EP17158405.5
申请日：2017-02-28
申请人： LSIS Co., Ltd.
发明人： OH, Kyunghwan
IPC分类号： H01H71/02 , H01H1/20
CPC分类号： H01H71/10 , H01H1/2058 , H01H9/48 , H01H71/0235 , H01H2050/028
摘要： Provided is a multi-pole molded case circuit breaker (MCCB) with an insulation barrier for a rotary pin, in which an insulation barrier is provided in a rotary pin for inter-phase power transmission to prevent dielectric breakdown. The multi-pole MCCB includes a shaft assembly having a movable contactor and having a plurality of rotary pin holes formed in a penetrating manner, a base assembly to which the shaft assembly is rotatably accommodated to be coupled, a switching mechanism coupled to an upper portion of the base assembly and rotating the shaft assembly, a plurality of rotary pins coupled to the plurality of rotary pin holes in a penetrating manner, and an insulation barrier formed of an insulating material and covering the plurality of rotary pins.
摘要翻译：本发明提供一种具有用于旋转销的绝缘壁的多极塑壳断路器（MCCB），其中在用于相间功率传输的旋转销中提供绝缘壁以防止介电击穿。多极MCCB包括：轴组件，其具有可动接触器并且具有多个贯穿形成的旋转销孔;底座组件，该轴组件可旋转地容纳在该底座组件中以被联接;切换机构，其联接到上部以及旋转所述轴组件，多个旋转销，所述多个旋转销以贯穿的方式联接到所述多个旋转销孔，以及由绝缘材料形成并覆盖所述多个旋转销的绝缘屏障。

86. 发明授权

EP3051569B1 STRUCTURE OF CROSSBAR FOR MANUAL MOTOR STARTER 有权
标题翻译：手动启动器的横杆结构
公开(公告)号：EP3051569B1
公开(公告)日：2018-02-28
申请号：EP15202416.2
申请日：2015-12-23
申请人： LSIS Co., Ltd.
发明人： CHO, Hyungeun
IPC分类号： H01H71/46 , H01H83/00
CPC分类号： H01H3/02 , H01H71/46 , H01H71/56 , H01H83/00
摘要： The present disclosure relates to a structure of a crossbar 20 for a manual motor starter, MMS, 100 in which a function of an auxiliary lever (2) is performed by the crossbar to thus reduce the number of components and operational errors. The crossbar 20 is connected to an operating mechanism (10) and an auxiliary contact lever 30 operates an auxiliary contact 40, wherein a pressing unit 25 is formed in the crossbar 20 to operate the auxiliary contact lever 30 upwardly.

87. 发明授权

EP2843679B1 Ring main unit circuit breaker equipped with contact force controller 有权
标题翻译：环主单元断路器配有接触力控制器
公开(公告)号：EP2843679B1
公开(公告)日：2018-02-28
申请号：EP14156962.4
申请日：2014-02-27
申请人： LSIS Co., Ltd.
发明人： Lee, Dong Sik
IPC分类号： H01H33/666 , H01H3/42 , H01H3/32
CPC分类号： H01H19/02 , H01H3/42 , H01H33/666 , H01H2003/323
摘要： The present invention relates to a ring main unit circuit breaker equipped with a contact force controller, and particularly, to a ring main unit circuit breaker equipped with a contact force controller, capable of controlling a contact force between contacts of a vacuum interrupter, by controlling an interval between the contacts, through a simple manual operation from outside, without having a disassembly operation. In a circuit breaker comprising: a rotational shaft (10); a cam (16) configured to convert a rotation force of the rotational shaft into a vertical force; a power transmission pin (20) which performs up-down movement by the cam; a movable rod (25) coupled to the power transmission pin; a contact spring (30) configured to provide a contact force to the movable rod; and a vacuum interrupter (35) having one end connected to the movable rod, the circuit breaker comprises: a driving shaft (45) installed at a driving unit (40); a driving link (50) which rotates by being coupled to the driving shaft; a transmission link (60) formed to have a controllable length, and performing up-down movement with its one end coupled to the driving link; and a rotation link (70) coupled to another end of the transmission link, and providing a rotation force to the rotational shaft.

88. 发明授权

EP3018805B1 MULTIPLE-TUNED FILTER DESIGN METHOD FOR HVDC SYSTEM 有权
标题翻译：高压直流输电系统多调谐滤波器设计方法
公开(公告)号：EP3018805B1
公开(公告)日：2018-01-17
申请号：EP15179778.4
申请日：2015-08-05
申请人： LSIS Co., Ltd.
发明人： CHYUN, Yi Kyung
IPC分类号： H02M1/14 , H02J1/02 , H03H7/01
CPC分类号： H02J3/36 , H02J2003/365 , H03H7/06 , H03H7/1716 , H03H7/1758 , H03H7/1775 , H03H7/1791 , Y02E60/60
摘要： A method of designing a multiple-tuned filter (MTF) of a high voltage direct current (HVDC) system is provided. The method includes selecting an input parameter for the MTF, setting a resonance frequency of the MTF, calculating values of inductance (L) and capacitance (C) which are filter parameters of the MTF on the basis of the input parameter and the resonance frequency, combining a value of resistance (R) with the filter parameters and calculating a price according to the combination, and storing the combined values of R, L, and C when the calculated price falls within a predetermined price range.

89. 发明授权

EP2706552B1 Stationary contact arm assembly for molded case circuit breaker 有权
标题翻译：固定式接触臂组件用于塑壳断路器
公开(公告)号：EP2706552B1
公开(公告)日：2018-01-10
申请号：EP13183128.1
申请日：2013-09-05
申请人： LSIS Co., Ltd.
发明人： Jang, Jun Yong
IPC分类号： H01H71/02 , H01H77/10
CPC分类号： H01H3/00 , H01H71/0207 , H01H71/2409 , H01H77/108 , H01H2071/0242
摘要： The present disclosure is to provide a stationary contact arm assembly (100) for a molded case circuit breaker, and the stationary contact arm assembly may include a stationary contact arm (10) having a terminal portion (10b) and a contact portion (10a) provided at both end portions thereof in the length direction, and an inclined extension portion (10e) provided between the contact portion and the terminal portion, a flat extension portion (10c) forming a space between the flat extension portion and a bottom surface of the contact potion, a bent portion (10f) formed from the flat extension portion to the terminal portion; a magnet assembly (30) having a plurality of steel plates at least part of which is installed to be pushed into a space between the flat extension portion and contact portion in the stationary contact arm; and an elastic support plate (20) having an elastic support portion (20a) installed on the flat extension portion of the stationary contact arm to support the magnet assembly.

90. 发明公开

EP2611013A3 Apparatus and method for detecting failure of switching device in inverter 有权
标题翻译：用于检测逆变器中开关装置故障的设备和方法
公开(公告)号：EP2611013A3
公开(公告)日：2018-01-03
申请号：EP12198997.4
申请日：2012-12-21
申请人： LSIS Co., Ltd.
发明人： Choi, Gi Young
IPC分类号： H02M1/32 , H02M5/458 , G01R31/327 , G01R31/42 , H02H7/122
CPC分类号： G01R31/327 , G01R31/42 , H02H7/1225 , H02M1/32
摘要： Disclosed is an apparatus and method for detecting failure of a switching device in an inverter, the method including detecting a maximum value and a minimum value of a phase current inputted into a motor from synchronous angle information of the motor through a switching device in a predetermined leg of the inverter unit, and detecting failure of the switching device of the leg through an asymmetry ratio of the phase current.
摘要翻译：本发明公开了一种用于检测逆变器中的开关装置的故障的装置和方法，所述方法包括：通过开关装置以预定的方式从电动机的同步角度信息中检测输入到电动机中的相电流的最大值和最小值，通过相电流的不对称率检测腿部的开关装置的故障。

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