CA1287884C - Analyseur de defaillances caracterisees par une haute impedance dans les lignes de distribution electrique - Google Patents

Analyseur de defaillances caracterisees par une haute impedance dans les lignes de distribution electrique

Info

Publication number
CA1287884C
CA1287884C CA 556662 CA556662A CA1287884C CA 1287884 C CA1287884 C CA 1287884C CA 556662 CA556662 CA 556662 CA 556662 A CA556662 A CA 556662A CA 1287884 C CA1287884 C CA 1287884C
Authority
CA
Canada
Prior art keywords
signal
harmonic
circuitry
producing
current
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 - Lifetime
Application number
CA 556662
Other languages
English (en)
Inventor
Donald I. Jeerings
John R. Linders
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from US07/142,582 external-priority patent/US4871971A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1287884C publication Critical patent/CA1287884C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • Y04S10/522—

Landscapes

  • Emergency Protection Circuit Devices (AREA)
CA 556662 1987-01-15 1988-01-15 Analyseur de defaillances caracterisees par une haute impedance dans les lignes de distribution electrique Expired - Lifetime CA1287884C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US003,585 1987-01-15
US07/142,582 US4871971A (en) 1987-01-15 1988-01-11 High impedance fault analyzer in electric power distribution networks
US142,582 1988-01-11

Publications (1)

Publication Number Publication Date
CA1287884C true CA1287884C (fr) 1991-08-20

Family

ID=22500423

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 556662 Expired - Lifetime CA1287884C (fr) 1987-01-15 1988-01-15 Analyseur de defaillances caracterisees par une haute impedance dans les lignes de distribution electrique

Country Status (1)

Country Link
CA (1) CA1287884C (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1327235C (zh) * 2002-03-24 2007-07-18 淄博科汇电气有限公司 直流***接地故障的探测方法
EP2352038A1 (fr) * 2008-10-27 2011-08-03 Tsinghua University Procédé de détection de défaut de mise à la terre en monophasé basé sur la composante harmonique du courant résiduel
US8228103B2 (en) 2009-02-23 2012-07-24 Moeller Gebäudeautomation GmbH Circuit breaker
CN109884456A (zh) * 2019-04-02 2019-06-14 山西汾西重工有限责任公司 功率模块及直流熔断器短路试验平台
CN111697896A (zh) * 2019-03-12 2020-09-22 Abb瑞士股份有限公司 控制多相电机的方法
CN112368585A (zh) * 2018-05-28 2021-02-12 以斯拉·舒库里 地线监控测试器

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1327235C (zh) * 2002-03-24 2007-07-18 淄博科汇电气有限公司 直流***接地故障的探测方法
EP2352038A1 (fr) * 2008-10-27 2011-08-03 Tsinghua University Procédé de détection de défaut de mise à la terre en monophasé basé sur la composante harmonique du courant résiduel
EP2352038A4 (fr) * 2008-10-27 2014-07-09 Univ Tsinghua Procédé de détection de défaut de mise à la terre en monophasé basé sur la composante harmonique du courant résiduel
US8918296B2 (en) 2008-10-27 2014-12-23 Tsinghua University Method for detecting single phase grounding fault based on harmonic component of residual current
US8228103B2 (en) 2009-02-23 2012-07-24 Moeller Gebäudeautomation GmbH Circuit breaker
RU2525082C2 (ru) * 2009-02-23 2014-08-10 Итон Гмбх Защитный выключатель с обнаружением апериодического изменения тока
CN112368585A (zh) * 2018-05-28 2021-02-12 以斯拉·舒库里 地线监控测试器
CN111697896A (zh) * 2019-03-12 2020-09-22 Abb瑞士股份有限公司 控制多相电机的方法
CN109884456A (zh) * 2019-04-02 2019-06-14 山西汾西重工有限责任公司 功率模块及直流熔断器短路试验平台
CN109884456B (zh) * 2019-04-02 2023-10-13 山西汾西重工有限责任公司 功率模块及直流熔断器短路试验平台

Similar Documents

Publication Publication Date Title
US4871971A (en) High impedance fault analyzer in electric power distribution networks
US4851782A (en) High impedance fault analyzer in electric power distribution
US8918296B2 (en) Method for detecting single phase grounding fault based on harmonic component of residual current
CN101120259B (zh) 漏电流断路器及其方法
Parsons et al. A direction finder for power quality disturbances based upon disturbance power and energy
CA1142593A (fr) Methode et appareil pour detecter les courts-circuits a la terre dans les systemes d'alimentation isoles
NO173076B (no) Fremgangsmaate og innretning til lokalisering av jordslutning av en leder i et trefasenett
CA1183935A (fr) Relais et methode de protection pour lignes de transmission electriques
CN108899879A (zh) 基于零序电流投影系数的小电阻接地***接地保护方法
CA1287884C (fr) Analyseur de defaillances caracterisees par une haute impedance dans les lignes de distribution electrique
CA1056910A (fr) Mode et appareil de detection de courts-circuits
US4303882A (en) Method and apparatus for monitoring torsional vibration in the rotor of a dynamoelectric machine
US4791375A (en) Apparatus for detecting degradation of an arrester
JP2002311061A (ja) 電力用処理装置
SE464375B (sv) Saett att digitalisera en foersaemring i en avledare av zinkoxidtyp utnyttjande vektorsyntes
CN204666717U (zh) 一种限压型电涌保护器阻性电流在线监测装置
CN106019063A (zh) 故障指示器和故障检测方法
EP4063876A1 (fr) Procédé d'identification de signal de diaphonie arquée basé sur un calcul d'analyse vectorielle
CN112485715B (zh) 一种基于电流零休暂态特征的可靠选线方法及装置
Soeth et al. Traveling wave fault location on HVDC lines
JPH02699Y2 (fr)
JPH0354311B2 (fr)
JPH09222450A (ja) 実効値演算型電圧トランデューサーを用いた漏洩電流 の計測および漏洩電流自動監視装置
JPH02698Y2 (fr)
Kondrashov et al. Technique for automatic identification of faults based on oscillograms of emergency events

Legal Events

Date Code Title Description
MKLA Lapsed