WO2009057387A1 - 漏電検出方法 - Google Patents

漏電検出方法 Download PDF

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Publication number
WO2009057387A1
WO2009057387A1 PCT/JP2008/066228 JP2008066228W WO2009057387A1 WO 2009057387 A1 WO2009057387 A1 WO 2009057387A1 JP 2008066228 W JP2008066228 W JP 2008066228W WO 2009057387 A1 WO2009057387 A1 WO 2009057387A1
Authority
WO
WIPO (PCT)
Prior art keywords
earth leakage
abnormal current
leakage detection
detection method
detected
Prior art date
Application number
PCT/JP2008/066228
Other languages
English (en)
French (fr)
Inventor
Hiroshi Doumae
Hitoshi Hashimoto
Original Assignee
Daikin Industries, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Priority to KR1020107005272A priority Critical patent/KR101109830B1/ko
Priority to CN200880106719.6A priority patent/CN101939889B/zh
Priority to EP08843467.5A priority patent/EP2207247A4/en
Priority to AU2008320176A priority patent/AU2008320176B2/en
Priority to US12/740,602 priority patent/US8477465B2/en
Publication of WO2009057387A1 publication Critical patent/WO2009057387A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/34—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
    • H02H3/347—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system using summation current transformers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

　本発明において、漏電検出基板が異常電流を検出する検出工程（Ｓ１０２）と、検出工程で異常電流が検出されて圧縮機が停止した時点での、記憶部に記憶されている所定項目の閾値と、該項目に対応する実測値とを比較し、異常電流が漏電によるものか否かを判断する（Ｓ１０４～Ｓ１０６）。具体的には、異常電流検出時の稼働時間、モータの内部圧力、吐出管温度のうち、少なくとも１つが対応する閾値よりも低いときは異常電流を漏電とみなして表示部に表示する（Ｓ１０８）。
PCT/JP2008/066228 2007-10-30 2008-09-09 漏電検出方法 WO2009057387A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020107005272A KR101109830B1 (ko) 2007-10-30 2008-09-09 누전 검출 장치 및 방법
CN200880106719.6A CN101939889B (zh) 2007-10-30 2008-09-09 漏电检测方法
EP08843467.5A EP2207247A4 (en) 2007-10-30 2008-09-09 ERDLECKDETEKTIONSVERFAHREN
AU2008320176A AU2008320176B2 (en) 2007-10-30 2008-09-09 Earth leakage detection method
US12/740,602 US8477465B2 (en) 2007-10-30 2008-09-09 Earth leakage detection method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007281146A JP4650477B2 (ja) 2007-10-30 2007-10-30 漏電検出方法
JP2007-281146 2007-10-30

Publications (1)

Publication Number Publication Date
WO2009057387A1 true WO2009057387A1 (ja) 2009-05-07

Family

ID=40590788

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066228 WO2009057387A1 (ja) 2007-10-30 2008-09-09 漏電検出方法

Country Status (7)

Country Link
US (1) US8477465B2 (ja)
EP (1) EP2207247A4 (ja)
JP (1) JP4650477B2 (ja)
KR (1) KR101109830B1 (ja)
CN (1) CN101939889B (ja)
AU (1) AU2008320176B2 (ja)
WO (1) WO2009057387A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103109200A (zh) * 2010-09-30 2013-05-15 三电有限公司 电动压缩机的漏电流检查方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4650477B2 (ja) * 2007-10-30 2011-03-16 ダイキン工業株式会社 漏電検出方法
US20130141957A1 (en) * 2010-08-10 2013-06-06 Mitsubishi Electric Corporation Power conversion device
US8390221B2 (en) * 2010-09-27 2013-03-05 Emerson Climate Technology, Inc. Systems and methods for protecting three-phase motors
CN102320246B (zh) * 2011-06-30 2013-05-22 奇瑞汽车股份有限公司 一种电动车空调安全控制系统及其控制方法
JP5454596B2 (ja) * 2012-02-08 2014-03-26 ダイキン工業株式会社 電源制御装置
CN103472351B (zh) * 2013-09-12 2016-02-03 国家电网公司 配网线路异常监控方法及装置
JP6464903B2 (ja) * 2015-04-16 2019-02-06 ダイキン工業株式会社 空気調和機のインバータ駆動装置
JP6628527B2 (ja) * 2015-09-10 2020-01-08 日立ジョンソンコントロールズ空調株式会社 空気調和機
CN108469565B (zh) * 2016-05-25 2020-10-27 大唐河南清洁能源有限责任公司 电力故障诊断方法及在电力故障诊断中的应用
CN111526645B (zh) * 2020-04-30 2022-07-12 深圳市奥拓电子股份有限公司 一种智慧路灯的漏电安全控制方法以及智慧路灯
CN112216077B (zh) * 2020-09-02 2022-04-26 国网河北省电力有限公司电力科学研究院 物联感知监测系统及监测预警方法、移动终端及云端服务器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6389550U (ja) 1986-11-28 1988-06-10
JPH02294217A (ja) * 1989-04-28 1990-12-05 Toshiba Lighting & Technol Corp 漏電遮断器
JPH06257906A (ja) * 1993-03-03 1994-09-16 Matsushita Electric Ind Co Ltd 空気調和機
JPH084680A (ja) * 1994-06-22 1996-01-09 Sanyo Electric Co Ltd 冷凍装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027202A (en) * 1975-12-19 1977-05-31 Robertshaw Controls Company Voltage protection circuit
JPS61291881A (ja) * 1985-06-20 1986-12-22 三洋電機株式会社 冷蔵庫の異常検知装置
JPH02214412A (ja) * 1989-02-14 1990-08-27 Matsushita Electric Works Ltd 回路しゃ断器
JPH07117284B2 (ja) * 1990-06-01 1995-12-18 ダイキン工業株式会社 空気調和装置の運転制御装置
US5784232A (en) * 1997-06-03 1998-07-21 Tecumseh Products Company Multiple winding sensing control and protection circuit for electric motors
US20050280961A1 (en) * 2004-06-18 2005-12-22 Steve Campolo Leakage current detection interrupter with sensor module for detecting abnormal non-electrical conditions
JP4650477B2 (ja) * 2007-10-30 2011-03-16 ダイキン工業株式会社 漏電検出方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6389550U (ja) 1986-11-28 1988-06-10
JPH02294217A (ja) * 1989-04-28 1990-12-05 Toshiba Lighting & Technol Corp 漏電遮断器
JPH06257906A (ja) * 1993-03-03 1994-09-16 Matsushita Electric Ind Co Ltd 空気調和機
JPH084680A (ja) * 1994-06-22 1996-01-09 Sanyo Electric Co Ltd 冷凍装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2207247A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103109200A (zh) * 2010-09-30 2013-05-15 三电有限公司 电动压缩机的漏电流检查方法

Also Published As

Publication number Publication date
US20100296206A1 (en) 2010-11-25
CN101939889B (zh) 2014-01-22
AU2008320176B2 (en) 2011-10-06
JP2009112105A (ja) 2009-05-21
KR20100039453A (ko) 2010-04-15
EP2207247A4 (en) 2014-08-06
EP2207247A1 (en) 2010-07-14
US8477465B2 (en) 2013-07-02
CN101939889A (zh) 2011-01-05
JP4650477B2 (ja) 2011-03-16
KR101109830B1 (ko) 2012-02-13
AU2008320176A1 (en) 2009-05-07

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