KR100216639B1 - 지락고장 검출장치 및 그 방법 - Google Patents

지락고장 검출장치 및 그 방법 Download PDF

Info

Publication number
KR100216639B1
KR100216639B1 KR1019950034833A KR19950034833A KR100216639B1 KR 100216639 B1 KR100216639 B1 KR 100216639B1 KR 1019950034833 A KR1019950034833 A KR 1019950034833A KR 19950034833 A KR19950034833 A KR 19950034833A KR 100216639 B1 KR100216639 B1 KR 100216639B1
Authority
KR
South Korea
Prior art keywords
circuit
frequency
signal
fundamental wave
ground fault
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
KR1019950034833A
Other languages
English (en)
Korean (ko)
Other versions
KR960016043A (ko
Inventor
타까시 이시구로
요시노리 타께이
Original Assignee
니시무로 타이죠
가부시키가이샤 도시바
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 니시무로 타이죠, 가부시키가이샤 도시바 filed Critical 니시무로 타이죠
Publication of KR960016043A publication Critical patent/KR960016043A/ko
Application granted granted Critical
Publication of KR100216639B1 publication Critical patent/KR100216639B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/08—Limitation or suppression of earth fault currents, e.g. Petersen coil
    • 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
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
    • 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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/162—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 fault current to earth, frame or mass for AC systems
    • H02H3/165—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 fault current to earth, frame or mass for AC systems for three-phase systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Control Of Eletrric Generators (AREA)
  • Protection Of Generators And Motors (AREA)
KR1019950034833A 1994-10-11 1995-10-11 지락고장 검출장치 및 그 방법 Expired - Fee Related KR100216639B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP94-244974 1994-10-11
JP24497494 1994-10-11

Publications (2)

Publication Number Publication Date
KR960016043A KR960016043A (ko) 1996-05-22
KR100216639B1 true KR100216639B1 (ko) 1999-09-01

Family

ID=17126725

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950034833A Expired - Fee Related KR100216639B1 (ko) 1994-10-11 1995-10-11 지락고장 검출장치 및 그 방법

Country Status (6)

Country Link
US (1) US5691643A (https=)
EP (1) EP0707367B1 (https=)
KR (1) KR100216639B1 (https=)
CA (1) CA2160173C (https=)
DE (1) DE69506663T2 (https=)
TW (1) TW287238B (https=)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000059298A1 (en) * 1999-04-02 2000-10-12 Chung Kwang Suk Multi purpose fish-hook case including fishline binding device
US6693778B1 (en) 1999-12-07 2004-02-17 Sensotec, Inc. Diode fault detection and ground fault detection systems
US6320731B1 (en) 2000-05-24 2001-11-20 Electric Boat Corporation Fault tolerant motor drive arrangement with independent phase connections and monitoring system
JP2002233045A (ja) * 2001-02-02 2002-08-16 Canon Inc 太陽光発電システムの地絡検出のための装置及び方法
KR100445339B1 (ko) * 2002-11-01 2004-08-18 한국수력원자력 주식회사 직류신호선용 차전류 접지검출 장치 및 그 방법
JP4422164B2 (ja) * 2007-03-28 2010-02-24 株式会社日立製作所 電力変換装置及び電力変換方法
US7969696B2 (en) * 2007-12-06 2011-06-28 Honeywell International Inc. Ground fault detection and localization in an ungrounded or floating DC electrical system
US20100217546A1 (en) * 2009-02-20 2010-08-26 Anthony Locker Methods and Apparatuses for Detecting Faults in Electrical Power Systems
JP5220182B2 (ja) 2009-03-05 2013-06-26 三菱電機株式会社 絶縁劣化検出装置
TWI391685B (zh) * 2009-10-16 2013-04-01 Ind Tech Res Inst 繞線製品檢測機台及其層間短路之檢測方法
WO2011109489A1 (en) * 2010-03-02 2011-09-09 Accumetrics Associates, Inc. Method and apparatus for fault detection of series diodes in rectifiers
US9160164B2 (en) 2010-03-02 2015-10-13 Accumetrics, Inc. Method and apparatus for fault detection of series diodes in rectifiers
CN103392067B (zh) 2011-01-21 2016-02-24 维斯塔斯风力系统集团公司 风力涡轮机故障检测电路和方法
RU2539098C1 (ru) * 2011-02-21 2015-01-10 Абб Рисерч Лтд Способ и устройство для повышения надежности обнаружения короткого замыкания на землю генератора на вращающейся электрической машине
JP2012189403A (ja) * 2011-03-10 2012-10-04 Hitachi Mitsubishi Hydro Corp 回転電機
US11329589B2 (en) * 2012-03-28 2022-05-10 Joy Global Underground Mining Llc Ground fault detection methods on variable frequency drive systems
US9991785B2 (en) * 2014-12-15 2018-06-05 Hitachi Automotive Systems, Ltd. Electric power converting device
CN105471272A (zh) * 2015-11-18 2016-04-06 永济新时速电机电器有限责任公司 辅助变流装置
JP6390806B1 (ja) * 2017-08-02 2018-09-19 株式会社明電舎 インバータ装置
US11204396B2 (en) * 2018-06-12 2021-12-21 Eaton Intelligent Power Limited Electrical system
CN111509669B (zh) * 2020-05-08 2022-04-08 国网山东省电力公司电力科学研究院 一种同步调相机转子电流保护方法及系统
CN114624629B (zh) * 2022-03-15 2025-05-13 中国大唐集团科学技术研究院有限公司中南电力试验研究院 检测转子绕组匝间短路故障的交流阻抗测试装置及方法
CN115561670A (zh) * 2022-10-13 2023-01-03 中车大连电力牵引研发中心有限公司 一种铁路机车辅助变流器输出接地故障检测电路、装置及方法
WO2024178314A1 (en) * 2023-02-23 2024-08-29 Wisys Technology Foundation, Inc. Intermittent ground fault detection for stators in high-impedance grounded generators
CN116298883B (zh) * 2023-05-23 2023-08-11 国家能源集团科学技术研究院有限公司 水轮发电机接地故障电流准确测试方法及装置
CN117277249B (zh) * 2023-11-20 2024-01-30 昆明理工大学 一种配电网单相接地故障电压电流配合消弧方法及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831160A (en) * 1973-10-01 1974-08-20 Gen Electric Voltage and current monitoring system
US4589048A (en) * 1983-03-23 1986-05-13 Mitsubishi Denki Kabushiki Kaisha Apparatus for detecting ground fault in variable-voltage variable-frequency power system
EP0131718B1 (de) * 1983-06-22 1987-01-14 BBC Brown Boveri AG Einrichtung zur Erfassung eines Erdschlusses in der Rotorwicklung einer elektrischen Maschine
US4580186A (en) * 1983-07-15 1986-04-01 Parker Douglas F Grounding and ground fault detection circuits
JPH04210779A (ja) * 1990-12-14 1992-07-31 Mitsubishi Electric Corp インバータ装置の地絡検出器及び地絡検出方法
JPH05223906A (ja) * 1992-02-17 1993-09-03 Mitsubishi Electric Corp 地絡検出制御装置
JP3081709B2 (ja) * 1992-07-02 2000-08-28 株式会社東芝 可変速発電電動機の界磁地絡検出装置及び方法
JPH06276739A (ja) * 1993-03-18 1994-09-30 Toshiba Corp サイクロコンバータの接地検出方式

Also Published As

Publication number Publication date
CA2160173C (en) 1999-05-25
TW287238B (https=) 1996-10-01
US5691643A (en) 1997-11-25
DE69506663D1 (de) 1999-01-28
EP0707367B1 (en) 1998-12-16
CA2160173A1 (en) 1996-04-12
EP0707367A1 (en) 1996-04-17
KR960016043A (ko) 1996-05-22
DE69506663T2 (de) 1999-07-22

Similar Documents

Publication Publication Date Title
KR100216639B1 (ko) 지락고장 검출장치 및 그 방법
KR100206027B1 (ko) 지락전류로부터 추출된 직류성분에 의하여 지락을 검출하는 계자지락 검출기 및 계자지락계전기
US7050279B2 (en) Method and apparatus for high impedance grounding of medium voltage AC drives
US7236338B2 (en) System and method for remotely detecting and locating faults in a power system
JP3763852B2 (ja) 交流電源における絶縁および障害電流の監視方法および監視回路
EP2769462B1 (en) Method and system for detecting a failed rectifier in an ac/dc converter
US5612601A (en) Method for assessing motor insulation on operating motors
US9973132B2 (en) Detection of an inter-turn winding fault in a motor
CA2023651A1 (en) Apparatus for measuring a winding temperature of electric machines
US11009557B2 (en) Method and device for short-circuit monitoring of a three-phase load
US3848160A (en) Circuit for detecting phase unbalance in a three phase supply
US7023196B2 (en) High level arc fault detector
JP3564211B2 (ja) 地絡故障検出方法およびその装置
CN103403564B (zh) 用于接地故障检测适配的方法
CN109239518B (zh) 变频调速系统故障漏电流检测方法
JP3783173B2 (ja) 交直両用漏電検出器
US5532574A (en) Brushless exciter protection circuit
JPS63265516A (ja) 三相交流励磁装置
US20210066908A1 (en) Motor protection relay interface using magnetometer-based sensors
JPH1078461A (ja) 絶縁抵抗測定方法
Anuchin et al. Insulation monitoring system for electric drives in TN networks
US11394190B2 (en) Multi-frequency ground fault circuit interrupter apparatuses, systems, and method
JP2910277B2 (ja) コンバータートランスの検査装置
Joshi et al. Harmonic Source Identification Using Modified Power Direction Method
SU951179A1 (ru) Устройство дл селективного контрол сопротивлени изол ции электрических систем

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 10

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 11

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 12

FPAY Annual fee payment

Payment date: 20110421

Year of fee payment: 13

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 13

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20120602

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20120602

R18 Changes to party contact information recorded

Free format text: ST27 STATUS EVENT CODE: A-5-5-R10-R18-OTH-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000