SE519696C2 - Digitalt skyddsrelä - Google Patents

Digitalt skyddsrelä

Info

Publication number
SE519696C2
SE519696C2 SE0002784A SE0002784A SE519696C2 SE 519696 C2 SE519696 C2 SE 519696C2 SE 0002784 A SE0002784 A SE 0002784A SE 0002784 A SE0002784 A SE 0002784A SE 519696 C2 SE519696 C2 SE 519696C2
Authority
SE
Sweden
Prior art keywords
time
reference signal
time reference
protection relay
signal
Prior art date
Application number
SE0002784A
Other languages
English (en)
Swedish (sv)
Other versions
SE0002784L (sv
SE0002784D0 (sv
Inventor
Masamichi Saga
Itsuo Shuto
Original Assignee
Toshiba Kk
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 Toshiba Kk filed Critical Toshiba Kk
Publication of SE0002784D0 publication Critical patent/SE0002784D0/xx
Publication of SE0002784L publication Critical patent/SE0002784L/
Publication of SE519696C2 publication Critical patent/SE519696C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • 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
    • H02H3/006—Calibration or setting of parameters

Landscapes

  • Emergency Protection Circuit Devices (AREA)
SE0002784A 1999-07-28 2000-07-28 Digitalt skyddsrelä SE519696C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11213194A JP2001045646A (ja) 1999-07-28 1999-07-28 ディジタル保護継電器

Publications (3)

Publication Number Publication Date
SE0002784D0 SE0002784D0 (sv) 2000-07-28
SE0002784L SE0002784L (sv) 2001-01-29
SE519696C2 true SE519696C2 (sv) 2003-04-01

Family

ID=16635104

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0002784A SE519696C2 (sv) 1999-07-28 2000-07-28 Digitalt skyddsrelä

Country Status (6)

Country Link
US (1) US6714148B1 (zh)
JP (1) JP2001045646A (zh)
KR (1) KR100382659B1 (zh)
CN (1) CN1191666C (zh)
DE (1) DE10036698B4 (zh)
SE (1) SE519696C2 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7532955B2 (en) * 2002-02-25 2009-05-12 General Electric Company Distributed protection system for power distribution systems
US7058482B2 (en) * 2002-02-25 2006-06-06 General Electric Company Data sample and transmission modules for power distribution systems
JP3923879B2 (ja) * 2002-09-27 2007-06-06 株式会社東芝 時刻同期機能付きディジタル保護継電器
US7636616B2 (en) * 2003-02-25 2009-12-22 General Electric Company Protection system for power distribution systems
DE102005056483B3 (de) * 2005-11-26 2007-01-11 Atmel Germany Gmbh Funkuhr und Verfahren zur Gewinnung von Zeitinformationen
JP2008211937A (ja) * 2007-02-27 2008-09-11 Mitsubishi Electric Corp Ｉｒｉｇ信号デコード回路
CN101951190B (zh) * 2010-09-08 2012-10-24 文创太阳能(福建)科技有限公司 可以电隔离的光伏组件
KR102645066B1 (ko) * 2016-03-07 2024-03-07 엘에스일렉트릭(주) 계전기 및 동기화 시스템
CN106898998B (zh) * 2017-02-27 2018-09-21 华中科技大学 一种高压信号隔离的快速保护装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464698A (en) * 1982-09-20 1984-08-07 Hitachi, Ltd. Protective relay
DE69027292T2 (de) * 1990-01-16 1997-01-23 Hitachi Ltd Verfahren und System zur digitalen Signalverarbeitung.
JPH0522843A (ja) * 1991-07-09 1993-01-29 Mitsubishi Electric Corp 地絡方向継電装置
US5379224A (en) * 1991-11-29 1995-01-03 Navsys Corporation GPS tracking system
JPH05260761A (ja) * 1992-03-10 1993-10-08 Meidensha Corp インバータの負荷検出装置
KR950023982A (ko) * 1994-01-20 1995-08-21 조형기 이상전류 검출장치
US5576625A (en) * 1994-02-07 1996-11-19 Kabushiki Kaisha Toshiba Test method and apparatus for testing a protective relay system
JPH09121441A (ja) * 1995-10-25 1997-05-06 Nissin Electric Co Ltd 保護継電器
JPH09154228A (ja) * 1995-11-28 1997-06-10 Yutaka Denki Seisakusho:Kk 電源ライン監視装置
KR200156168Y1 (ko) * 1997-07-31 1999-09-01 이종수 전자식 과전류 계전기
JPH11178192A (ja) * 1997-12-11 1999-07-02 Toshiba Corp 保護継電器
KR100276397B1 (ko) * 1997-12-30 2001-01-15 권상문 주파수체배를 이용하여 결상보호동작을 신속화한 디지털계전기
US6370483B1 (en) * 1998-06-15 2002-04-09 Robert W. Beckwith Synchronous linear machine for protective relaying

Also Published As

Publication number Publication date
SE0002784L (sv) 2001-01-29
CN1282995A (zh) 2001-02-07
DE10036698A1 (de) 2001-03-08
US6714148B1 (en) 2004-03-30
SE0002784D0 (sv) 2000-07-28
JP2001045646A (ja) 2001-02-16
KR20010049862A (ko) 2001-06-15
DE10036698B4 (de) 2016-03-03
KR100382659B1 (ko) 2003-05-09
CN1191666C (zh) 2005-03-02

Similar Documents

Publication Publication Date Title
EP0883234A2 (en) Drive circuit for brushless motor
JP3657818B2 (ja) モータ制御装置
CN110277946B (zh) 马达控制装置、马达控制程序以及马达控制方法
KR950011301B1 (ko) 디지탈 보호 릴레이 장치
SE519696C2 (sv) Digitalt skyddsrelä
JP6686685B2 (ja) 電力変換装置
US8334685B2 (en) Signal detector and signal detection method
US8139385B2 (en) Inverter control circuit and control method thereof
US10044363B2 (en) Semiconductor device and AD conversion device
JP2004247834A (ja) Ｍｏｓトランジスタによりｐｗｍ電圧制御する単相負荷の過電流検出回路
EP3503382B1 (en) Method and apparatus for determining a measuring offset of a rotor position sensor
JPH10117484A (ja) 常時商用給電型交流無停電電源回路
CN105099449A (zh) Adc故障自动诊断方法
KR102514642B1 (ko) 조향모터제어장치 및 방법
CN108490275B (zh) 一种快速三相相序数字检测方法及其装置
US6417701B1 (en) Method and apparatus for identifying a waveform period
CN112511044A (zh) 一种电机的换向控制装置、方法和电机
CN114019404A (zh) 一种三相交流电源相序检测方法以及系统
JP6453556B2 (ja) 交流電気信号検出装置および交流電気信号検出方法
CN113285484A (zh) 光伏组件关断器、电流采样单点故障检测及控制方法
Chin et al. Accurate measurement of instantaneous values of voltage, current and power for power electronics circuits
CN220913230U (zh) 一种交流相位检测装置
US20240291473A1 (en) Delay circuit, drive apparatus, semiconductor apparatus and delay method
KR0158087B1 (ko) 정류자없는 직류전동기의 구동장치
CN212675024U (zh) 煤矿线路用电压电流采样装置

Legal Events

Date Code Title Description
NUG Patent has lapsed