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    • 3. 发明公开
    • 보호계전기
    • 保护继电器
    • KR1020160021653A
    • 2016-02-26
    • KR1020140107219
    • 2014-08-18
    • 엘에스산전 주식회사
    • 임종욱
    • H02H3/00G01R1/28G01R15/08
    • H02H3/00G01R1/28G01R15/00G01R15/08
    • 본명세서는보호계전기에관한것으로서, 보다구체적으로는종래기술의한계를해결하고자, 배전계통을감시하는감시범위인기설정된계전그룹을배전계통의선로및 부하변동에따라재설정하여, 재설정된계전그룹에따라배전계통을감시함으로써, 배전계통의변동에따른융통적인감시가이루어질수 있고, 배전계통의변동이반영되지않음에따른계전기의오검출및 오동작을방지할수 있으며, 배전계통을보다안정적으로보호할수 있게되는효과가있는보호계전기에관한것이다.
    • 保护继电器技术领域本发明涉及一种保护继电器,更具体地说,涉及一种用于解决传统技术的限制的保护继电器,该传统技术根据线路和线路来复位作为观测配电系统的观测范围的预设中继组 配电系统的负载波动,并根据复位继电器组观察配电系统,从而根据配电系统的变化进行灵活的检查,防止继电器的误检和故障,因为配电系统的变化 系统不反映在其上,并且更稳定地保护配电系统。
    • 5. 发明公开
    • 전압인가 전류측정 장치 및 그것에 사용되는 스위치부착 전류 버퍼
    • 电压应用电流测量仪表及其开关电流缓冲器
    • KR1020050075452A
    • 2005-07-20
    • KR1020057010519
    • 2003-12-11
    • 가부시키가이샤 아드반테스트
    • 나카하라히사하루
    • G01R19/00G01R31/26H01L21/66
    • G01R31/30G01R15/08
    • A voltage-application current measuring instrument for measuring the current flowing through a terminal of a device (DUT) under test to which a voltage from a DC power supply unit (220) is applied through a range selecting unit (210). The range selecting unit (210) has current buffers (CB1 to CBn) with switches corresponding to the current measurement ranges and current measuring resistors (R1 to Rn) each connected in series with the output of the corresponding current buffer. The voltage across the selected current measuring resistor connected in series is measured by a voltage difference measuring unit (150) to determine the current flowing through the terminal of the device. Each current buffer (CBi) has an output stage (12) connectable/disconnectable according to a control signal.
    • 一种电压施加电流测量仪器,用于测量流经被测器件(DUT)的端子的电流,通过范围选择单元(210)对来自直流电源单元(220)的电压施加到其上的电流施加电流测量仪器。 范围选择单元(210)具有与当前测量范围相对应的开关的电流缓冲器(CB1至CBn)和与当前缓冲器的输出串联连接的电流测量电阻器(R1至Rn)。 通过电压差测量单元(150)测量串联连接的所选电流测量电阻器两端的电压,以确定流过器件端子的电流。 每个当前缓冲器(CBi)具有根据控制信号可连接/可断开的输出级(12)。