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1. 发明专利

JPWO2006035519A1 漏洩電流遮断装置及び方法有权
公开(公告)号：JPWO2006035519A1
公开(公告)日：2008-05-15
申请号：JP2006537628
申请日：2005-01-31
申请人：豊次阿閉 , 豊次阿閉 , 大野武美 , 大野武美 , 頭本頼数 , 頭本頼数
发明人：豊次阿閉 , 豊次阿閉 , 宮澤　清 , 清宮澤
IPC分类号： G01R31/02 , H02H7/26
CPC分类号： H02H3/337 , G01R31/025
摘要：電線路から漏洩電流を検出する検出部(10)と、漏洩電流を電圧に変換し、高調波成分を除去する第1の除去部(12)と、電線路Aに発生している電圧を検出する電圧検出部(14)と、電圧に含まれている高調波成分を除去する第2の除去部(16)と、高調波成分が除去された信号波形から位相差を検出する位相差検出部(20)と、第2の除去部(16)により高調波成分が除去された電圧の信号波形に基づき電線路Aの周波数を算出する周波数算出部(21)と、位相差と周波数に基づき電線路Aの漏洩電流の位相角度を算出する位相角度算出部(22)と、第1の除去部(12)により高調波成分が除去された電圧の実効値を算出する実効値算出部(24)と、実効値と、漏洩電流の位相角度に基づき電線路Aに流れている漏洩電流に含まれている対地絶縁抵抗に起因する漏洩電流成分Igrを算出する算出部(27)と、算出部(27)で算出された漏洩電流成分Igrが、任意の値を超えたかどうかを判断する判断部(29)と、判断に基づいて電線路Aを遮断する遮断部(30)とを備える。

2. 发明专利

JP6289846B2 漏洩電流検出装置及び方法有权
公开(公告)号：JP6289846B2
公开(公告)日：2018-03-07
申请号：JP2013197757
申请日：2013-09-25
申请人：株式会社関電工 , 株式会社シーディエヌ , 三和電気計器株式会社 , 頭本頼数
发明人：古屋一彦 , 野田龍三 , 田中真秀
IPC分类号： G01R31/02

3. 发明专利

JP4159590B2 Leakage current cutoff apparatus and method 有权
公开(公告)号：JP4159590B2
公开(公告)日：2008-10-01
申请号：JP2006537628
申请日：2005-01-31
申请人：大野武美 , 豊次阿閉 , 頭本頼数
发明人：清宮澤 , 豊次阿閉
IPC分类号： G01R27/02 , G01R31/02 , H02H7/26
CPC分类号： H02H3/337 , G01R31/025
摘要： A leak current breaker is provided which includes a detector (10) to detect a leakage current from electric lines, a first removing unit (12) to convert the detected leakage current into a voltage and a voltage detector (14) to detect a voltage developed in electric lines A under testing, a second removing unit (16) to remove a harmonic component included in the voltage, a phase contrast detector (20) to detect a phase contrast from a signal waveform having the harmonic component removed, a frequency calculator (21) to calculate a frequency occurring on electric lines A on the basis of the signal waveform of the voltage having the harmonic component removed by the second removing unit (16), a phase angle calculator (22) to calculate a phase angle of the leakage current flowing through the electric lines A on the basis of the phase contrast and frequency, a root-mean-square value calculator (24) to calculate a root-mean-square value of the voltage having the harmonic component removed by the first removing unit (12), a calculator (27) to calculate a leakage current component Igr arising from an earth insulation resistance included in the leakage current flowing through the electric lines A on the basis of the root-mean-square value and phase angle of the leakage current, a judging unit (29) to judge whether the leakage current component Igr calculated by the calculator (27) has exceeded an arbitrary value, and a circuit breaker (30) to break the electric lines A on the basis of the judgment made by the judging unit (29).

4. 发明专利

JP2013174613A Leak current detection device and method 有权
标题翻译：泄漏电流检测装置及方法
公开(公告)号：JP2013174613A
公开(公告)日：2013-09-05
申请号：JP2013097762
申请日：2013-05-07
申请人： Toyoji Ahei , 豊次阿閉 , Zumoto Yorikazu , 頭本頼数
发明人： AHEI TOYOJI , MIYAZAWA KIYOSHI
IPC分类号： G01R31/02 , G01R27/18
摘要： PROBLEM TO BE SOLVED: To provide a leak current detection device and method for detecting a leak current caused by insulation resistance to ground.SOLUTION: A leak current detection device includes: a current trance sensor assembly 10 for clamping a measuring object electric line and detecting leak current; a voltage detection part 14 for detecting a voltage applied to the measuring object electric line; a phase pulse width measuring part 20 for detecting the phase difference between a signal waveform of the voltage detected by the voltage detection part 14 and a signal waveform of the leak current detected by the current trance sensor assembly 10; a power supply frequency measuring part 21 for measuring a power supply frequency applied to the measuring object electric line on the basis of the signal waveform of the voltage detected by the voltage detection part 14; a phase angle calculation part 22 for calculating a phase angle of the leak current flowing through the measuring object electric line on the basis of the phase difference and the power supply frequency; and a leak current calculation part 27 for calculating a leak current component caused by insulation resistance to ground included in the leak current on the basis of the leak current detected by the current trance sensor assembly 10 and the phase angle.
摘要翻译：要解决的问题：提供一种用于检测由对地面的绝缘电阻引起的漏电流的漏电流检测装置和方法。解决方案：一种泄漏电流检测装置，包括：用于夹紧测量对象电线的电流恍惚传感器组件10，漏电流; 用于检测施加到测量对象电线的电压的电压检测部分14; 用于检测由电压检测部分14检测的电压的信号波形与由当前恍惚传感器组件10检测的泄漏电流的信号波形之间的相位差的相位脉冲宽度测量部分20; 电源频率测量部分21，用于基于由电压检测部分14检测的电压的信号波形来测量施加到测量对象电线的电源频率; 相位角计算部22，用于基于相位差和电源频率计算流过测量对象电线的泄漏电流的相位角; 以及泄漏电流计算部27，用于基于由当前恍惚传感器组件10检测到的泄漏电流和相位角，计算由泄漏电流中包括的漏电流引起的漏电电流分量。

5. 发明专利

JP4945727B2 Leakage current cutoff apparatus and method 有权
公开(公告)号：JP4945727B2
公开(公告)日：2012-06-06
申请号：JP2007152754
申请日：2007-06-08
申请人：豊次阿閉 , 頭本頼数
发明人：清宮澤 , 豊次阿閉
IPC分类号： G01R31/02 , G01R27/18 , H02H3/347
摘要： PROBLEM TO BE SOLVED: To provide leakage current interrupting device and method for intercepting a measured conductor line based on the detected value by detecting only leakage current Igr resulting from an insulation to the earth resistance. SOLUTION: Leakage current I which flows to the measured conductor line A is detected, the detected leakage current I is converted into a voltage, harmonic component is removed from the voltage after the conversion, the voltage V1 after the harmonic component is removed and the voltage V2 from the voltage line of the measured conductor line A is detected, and the harmonic component is removed from the detected voltage V2. The phase angle θ of the leakage current I which flows to the measured conductor line A is accurately obtained based on the voltage V2 which removed the harmonic component, only the leakage current Igr which originates to the earth insulation resistance from the accurate phase angle θ and the effective value I 0 of the voltage V1 after the conversion from which the harmonic component was removed is computed, the computed leakage current Igr is supervised, and when the leakage current Igr exceeds an arbitrary value, the measured conductor line A is intercepted. COPYRIGHT: (C)2007,JPO&INPIT

6. 发明专利

JP5748797B2 漏洩電流検出装置及び方法有权
标题翻译：漏电流检测装置和方法
公开(公告)号：JP5748797B2
公开(公告)日：2015-07-15
申请号：JP2013097762
申请日：2013-05-07
申请人：阿閉豊次 , 頭本頼数
发明人：阿閉豊次 , 宮澤清
IPC分类号： G01R31/02

7. 发明专利

JP2010197400A Apparatus and method for detection of leakage current 有权
标题翻译：检测泄漏电流的装置和方法
公开(公告)号：JP2010197400A
公开(公告)日：2010-09-09
申请号：JP2010091731
申请日：2010-04-12
申请人： Toyoji Ahei , Ono Takemi , Zumoto Yorikazu , 大野武美 , 豊次阿閉 , 頭本頼数
发明人： AHEI TOYOJI , MIYAZAWA KIYOSHI
IPC分类号： G01R31/02 , G01R27/18
摘要： PROBLEM TO BE SOLVED: To provide a leakage current detection apparatus and method for detecting only a leakage current Igr caused by insulation resistance to ground. SOLUTION: A leakage current I 0 flowing through an electric line to be measured, of which electrical system is a three phase (R phase, S phase (grounded phase), T phase), three wire system, is detected. A voltage V generated between non-grounded phases (R phase-T phase) of the electric line to be measured is detected. A phase difference is detected from the leakage current I 0 and voltage V. A power supply frequency generated in the electric line to be measured is calculated based on the voltage V. The phase angle θ of the leakage current flowing through the electric line to be measured is calculated based on the phase difference and power supply frequency. A leakage current component Igr caused by the insulation resistance to ground included in the leakage current I 0 flowing through the electric line to be measured is calculated based on the leakage current I 0 and phase angle θ. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种仅检测由对地的绝缘电阻引起的漏电流Igr的漏电流检测装置和方法。
解决方案：流经待测电线的漏电流I 0 其电气系统为三相（R相，S相（接地相），T相），三相线系统被检测到。检测在待测电线的非接地相（R相T相）之间产生的电压V. 根据漏电流I 0 和电压V检测相位差。基于电压V计算待测电线中产生的电源频率。漏电流的相位角θ 基于相位差和电源频率计算流过要测量的电线。基于泄漏电流I 0 计算流过待测电线的漏电流I 0 中由与绝缘电阻相关的漏电流分量Igr 和相位角θ。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2021175983A 漏洩電流を検出する漏洩電流検出装置、方法およびプログラム审中-公开
公开(公告)号：JP2021175983A
公开(公告)日：2021-11-04
申请号：JP2021123551
申请日：2021-07-28
申请人：頭本頼数
发明人：頭本頼数
IPC分类号： G01R31/52 , H02H7/26 , H02H3/347 , H02H3/38 , G01R31/50
摘要：【課題】Y結線方式においてIgrを正確に検出することができる漏洩電流検出装置、方法およびプログラムを提供する。【解決手段】 Y結線の3相4線式の被測定電線路に流れている漏洩電流を検出する漏洩電流検出部11と、被測定電線路のいずれか2相の間に印加されている電圧を検出する電圧検出部12と、漏洩電流と電圧とに基づいて位相差を検出する位相差検出部13と、位相差と、漏洩電流とに基づいて、漏洩電流に含まれる対地絶縁抵抗に起因する抵抗成分漏洩電流を算出する抵抗成分漏洩電流算出部14と、位相差が所定の範囲内であるかどうかを判断し、位相差が所定の範囲内ではないと判断した場合、位相差を電圧検出部12に送信する判断処理部15とを備える。電圧検出部12は、位相差に基づいて、被測定電線路における電圧を検出する相を切り替え、切り替えた後の2相の間に印加されている電圧を検出する。【選択図】図1

9. 发明专利

JP5329470B2 Leakage current detection apparatus and method 有权
公开(公告)号：JP5329470B2
公开(公告)日：2013-10-30
申请号：JP2010091731
申请日：2010-04-12
申请人：豊次阿閉 , 頭本頼数
发明人：豊次阿閉 , 清宮澤
IPC分类号： G01R31/02 , G01R27/18
摘要： PROBLEM TO BE SOLVED: To provide a leakage current detection apparatus and method for detecting only a leakage current Igr caused by insulation resistance to ground. SOLUTION: A leakage current I 0 flowing through an electric line to be measured, of which electrical system is a three phase (R phase, S phase (grounded phase), T phase), three wire system, is detected. A voltage V generated between non-grounded phases (R phase-T phase) of the electric line to be measured is detected. A phase difference is detected from the leakage current I 0 and voltage V. A power supply frequency generated in the electric line to be measured is calculated based on the voltage V. The phase angle θ of the leakage current flowing through the electric line to be measured is calculated based on the phase difference and power supply frequency. A leakage current component Igr caused by the insulation resistance to ground included in the leakage current I 0 flowing through the electric line to be measured is calculated based on the leakage current I 0 and phase angle θ. COPYRIGHT: (C)2010,JPO&INPIT

10. 发明专利

JP2007225625A Leakage current interrupting device and method 有权
标题翻译：泄漏电流中断装置和方法
公开(公告)号：JP2007225625A
公开(公告)日：2007-09-06
申请号：JP2007152754
申请日：2007-06-08
申请人： Toyoji Ahei , Ono Takemi , Zumoto Yorikazu , 大野武美 , 豊次阿閉 , 頭本頼数
发明人： AHEI TOYOJI , MIYAZAWA KIYOSHI
IPC分类号： G01R31/02 , G01R27/18
摘要： PROBLEM TO BE SOLVED: To provide leakage current interrupting device and method for intercepting a measured conductor line based on the detected value by detecting only leakage current Igr resulting from an insulation to the earth resistance.
SOLUTION: Leakage current I which flows to the measured conductor line A is detected, the detected leakage current I is converted into a voltage, harmonic component is removed from the voltage after the conversion, the voltage V1 after the harmonic component is removed and the voltage V2 from the voltage line of the measured conductor line A is detected, and the harmonic component is removed from the detected voltage V2. The phase angle θ of the leakage current I which flows to the measured conductor line A is accurately obtained based on the voltage V2 which removed the harmonic component, only the leakage current Igr which originates to the earth insulation resistance from the accurate phase angle θ and the effective value I
0 of the voltage V1 after the conversion from which the harmonic component was removed is computed, the computed leakage current Igr is supervised, and when the leakage current Igr exceeds an arbitrary value, the measured conductor line A is intercepted.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供泄漏电流中断装置和方法，用于通过仅检测由绝缘到接地电阻的漏电流Igr，基于检测值截取测量的导体线。解决方案：检测流到测量导线A的泄漏电流I，将检测到的漏电流I转换为电压，从转换后的电压中去除谐波分量，去除谐波分量后的电压V1 并且检测来自测量导体线A的电压线的电压V2，并且从检测到的电压V2中除去谐波分量。基于去除了谐波分量的电压V2，仅从源于精确相位角θ的接地绝缘电阻的漏电流Igr，精确地获得流向被测导体线A的漏电流I的相位角θ，计算去除了谐波分量的转换后的电压V1的有效值I 0 ，监视计算出的漏电流Igr，当漏电流Igr超过任意值时，导线A截获。版权所有（C）2007，JPO＆INPIT

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