CA2018938C - Relais de protection numerique a microprocesseur pour transformateurs d'alimentation - Google Patents

Relais de protection numerique a microprocesseur pour transformateurs d'alimentation Download PDF

Info

Publication number
CA2018938C
CA2018938C CA 2018938 CA2018938A CA2018938C CA 2018938 C CA2018938 C CA 2018938C CA 2018938 CA2018938 CA 2018938 CA 2018938 A CA2018938 A CA 2018938A CA 2018938 C CA2018938 C CA 2018938C
Authority
CA
Canada
Prior art keywords
current
electrical
power device
protective relay
signal
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
CA 2018938
Other languages
English (en)
Other versions
CA2018938A1 (fr
Inventor
M. Azizur Rahman
Ivi Hermanto
V.V.S. Murty Yalla
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.)
Genesis Group Inc
Original Assignee
Seabright Corp 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 Seabright Corp Ltd filed Critical Seabright Corp Ltd
Priority to CA 2018938 priority Critical patent/CA2018938C/fr
Publication of CA2018938A1 publication Critical patent/CA2018938A1/fr
Application granted granted Critical
Publication of CA2018938C publication Critical patent/CA2018938C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
CA 2018938 1990-06-13 1990-06-13 Relais de protection numerique a microprocesseur pour transformateurs d'alimentation Expired - Fee Related CA2018938C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2018938 CA2018938C (fr) 1990-06-13 1990-06-13 Relais de protection numerique a microprocesseur pour transformateurs d'alimentation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2018938 CA2018938C (fr) 1990-06-13 1990-06-13 Relais de protection numerique a microprocesseur pour transformateurs d'alimentation

Publications (2)

Publication Number Publication Date
CA2018938A1 CA2018938A1 (fr) 1991-12-13
CA2018938C true CA2018938C (fr) 2002-01-08

Family

ID=4145216

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2018938 Expired - Fee Related CA2018938C (fr) 1990-06-13 1990-06-13 Relais de protection numerique a microprocesseur pour transformateurs d'alimentation

Country Status (1)

Country Link
CA (1) CA2018938C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3157112A1 (fr) * 2015-10-12 2017-04-19 General Electric Technology GmbH Améliorations apportées ou se rapportant à la protection des transformateurs de puissance

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3157112A1 (fr) * 2015-10-12 2017-04-19 General Electric Technology GmbH Améliorations apportées ou se rapportant à la protection des transformateurs de puissance
WO2017064148A1 (fr) * 2015-10-12 2017-04-20 General Electric Technology Gmbh Améliorations apportées ou se rapportant à la protection de transformateurs de puissance
CN108141031A (zh) * 2015-10-12 2018-06-08 通用电器技术有限公司 电力变压器保护的改进或相关改进
CN108141031B (zh) * 2015-10-12 2020-11-24 通用电器技术有限公司 电力变压器保护的改进或相关改进
US10916932B2 (en) 2015-10-12 2021-02-09 General Electric Technology Gmbh Protection of power transformers

Also Published As

Publication number Publication date
CA2018938A1 (fr) 1991-12-13

Similar Documents

Publication Publication Date Title
US5172329A (en) Microprocessor-based digital protective relay for power transformers
Maier Protection of squirrel-cage induction motor utilizing instantaneous power and phase information
CA1262771A (fr) Coupe-circuit de protection contre les mises a la terre
EP0477959B1 (fr) Dispositif de protection contre courant de surcharge
US5164876A (en) Static trip device comprising an earth protection desensitization system
US4833564A (en) Current sensing relay circuit with adjustable sensitivity and tracking test circuit
US5784233A (en) Differential protection device of a power transformer
JP2735598B2 (ja) 固体トリップ装置
EP1669767A1 (fr) Système et procédé de localisation d'un défaut de mise à la terre dans un système de distribution d'énergie électrique
GB2232839A (en) Remote protection of three phase distribution transformers
JPH07322473A (ja) サンプリングインターバルを自動的に選択するデジタル制御式断続器
US6154036A (en) Ground fault location system and ground fault detector therefor
CA2836477C (fr) Transformateurs d'intensite ca/cc
EP1111752B1 (fr) Circuit de détection de défaut instantané, procédé et dispositif
CA2145471C (fr) Unite de declenchement contre les surintensites avec conducteur neutre reglable separement
EP0453196A2 (fr) Relais différentiel pour transformateur
AU2012259127A1 (en) AC/DC current transformer
US6288553B1 (en) Method for determining the loop resistance of a power supply network
US6137665A (en) Selective electronic trip unit, a circuit breaker comprising such a trip unit and a selective tripping process
CA2018938C (fr) Relais de protection numerique a microprocesseur pour transformateurs d'alimentation
JP3712886B2 (ja) 漏電遮断器及び地絡の検出方法
KR930010686B1 (ko) 급변 압력 릴레이 감시 장치
CA2020977C (fr) Circuit de commande pour sectionneurs
CA1246697A (fr) Regulateur de c.c. pour vehicule electrique
JP3832700B2 (ja) 母線保護継電装置

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed