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DE69027292D1 - Verfahren und System zur digitalen Signalverarbeitung. - Google Patents

Verfahren und System zur digitalen Signalverarbeitung.

Info

Publication number
DE69027292D1
DE69027292D1 DE69027292T DE69027292T DE69027292D1 DE 69027292 D1 DE69027292 D1 DE 69027292D1 DE 69027292 T DE69027292 T DE 69027292T DE 69027292 T DE69027292 T DE 69027292T DE 69027292 D1 DE69027292 D1 DE 69027292D1
Authority
DE
Germany
Prior art keywords
signal processing
digital signal
processing method
digital
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 - Lifetime
Application number
DE69027292T
Other languages
English (en)
Other versions
DE69027292T2 (de
Inventor
Mitsuyasu Kido
Tomio Chiba
Hiroyuki Kudo
Junzo Kawakami
Tadao Kawai
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Priority claimed from JP00668590A external-priority patent/JP3180190B2/ja
Priority claimed from JP03578590A external-priority patent/JP3256805B2/ja
Priority claimed from JP6493990A external-priority patent/JP2987635B2/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE69027292D1 publication Critical patent/DE69027292D1/de
Publication of DE69027292T2 publication Critical patent/DE69027292T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • H02J13/00009—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission using pulsed signals
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • H02J13/0001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission using modification of a parameter of the network power signal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52—Outage or fault management, e.g. fault detection or location
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Noise Elimination (AREA)
  • Analogue/Digital Conversion (AREA)
DE69027292T 1990-01-16 1990-12-31 Verfahren und System zur digitalen Signalverarbeitung. Expired - Lifetime DE69027292T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP00668590A JP3180190B2 (ja) 1990-01-16 1990-01-16 ディジタル信号処理方法及びその装置
JP03578590A JP3256805B2 (ja) 1990-02-16 1990-02-16 電力系統の信号処理装置、電力制御装置
JP6493990A JP2987635B2 (ja) 1990-03-15 1990-03-15 ディジタル信号処理方法及びその装置

Publications (2)

Publication Number Publication Date
DE69027292D1 true DE69027292D1 (de) 1996-07-11
DE69027292T2 DE69027292T2 (de) 1997-01-23

Family

ID=27277289

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69027292T Expired - Lifetime DE69027292T2 (de) 1990-01-16 1990-12-31 Verfahren und System zur digitalen Signalverarbeitung.

Country Status (5)

Country Link
US (1) US5255202A (de)
EP (1) EP0437861B1 (de)
KR (2) KR100224185B1 (de)
CA (1) CA2033874C (de)
DE (1) DE69027292T2 (de)

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JP2773601B2 (ja) * 1993-06-11 1998-07-09 ヤマハ株式会社 信号処理装置
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US5907241A (en) * 1996-09-11 1999-05-25 Abb Power T&D Company Inc. Current measurement methods and apparatus employing second harmonic scaling
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US6263288B1 (en) 1998-07-22 2001-07-17 Eastman Kodak Company Method and apparatus for indicating proximity of film scanner to CRT display monitor
JP2000241202A (ja) * 1999-02-24 2000-09-08 Denso Corp センサ装置
DE19912410A1 (de) * 1999-03-19 2000-10-12 Reinhausen Maschf Scheubeck Meßverfahren für eine Hochspannungsdurchführung und geeignete Meßanordnung
JP3862918B2 (ja) * 1999-06-22 2006-12-27 シャープ株式会社 フィルタ回路
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US7701683B2 (en) 2001-07-06 2010-04-20 Schweitzer Engineering Laboratories, Inc. Apparatus, system, and method for sharing output contacts across multiple relays
US6480126B1 (en) * 2001-10-26 2002-11-12 Agilent Technologies, Inc. Phase digitizer
US7346126B2 (en) * 2001-11-28 2008-03-18 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for channel estimation using plural channels
CA2453292A1 (en) * 2004-01-07 2005-07-07 John W. Bogdan Noise filtering edge detectors
JP4011041B2 (ja) * 2004-06-16 2007-11-21 Ｎｅｃエレクトロニクス株式会社 アナログ・デジタル変換システムと補正回路及び補正方法
DE102004036069B4 (de) * 2004-07-24 2017-04-06 Dr. Johannes Heidenhain Gmbh Verfahren und Vorrichtung zum Bilden von rauschgefilterten Ausgangswerten aus rauschbehafteten Eingangswerten
KR100666491B1 (ko) * 2005-05-11 2007-01-09 엘에스산전 주식회사 디지털 필터링을 이용한 주파수 검출 방법
US20070164753A1 (en) * 2006-01-18 2007-07-19 International Business Machines Corporation Power supply history monitor
US7567881B2 (en) * 2007-03-30 2009-07-28 General Electric Company Self-adjusting voltage filtering technique compensating for dynamic errors of capacitive voltage transformers
US8504130B2 (en) * 2008-10-07 2013-08-06 Covidien Lp Non-interfering physiological sensor system
US8427131B2 (en) 2009-06-12 2013-04-23 Schweitzer Engineering Laboratories Inc Voltage regulation at a remote location using measurements from a remote metering device
US9256232B2 (en) 2009-06-12 2016-02-09 Schweitzer Engineering Laboratories, Inc. Voltage regulation using multiple voltage regulator controllers
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CN102590601A (zh) * 2012-01-19 2012-07-18 厦门优迅高速芯片有限公司 宽范围电流监控装置
JP6215527B2 (ja) * 2012-02-02 2017-10-18 旭化成エレクトロニクス株式会社 物理量計測装置及び物理量計測方法
CN102981091A (zh) * 2012-11-08 2013-03-20 哈尔滨维尔士科技发展有限公司 一种预测家庭供电线路故障的方法
US9543886B2 (en) * 2014-06-06 2017-01-10 Actron Technology Corporation Short circuit detection circuit and short circuit detection method for multi-phase rectifier at frequency domain
EP2955835B1 (de) * 2014-06-12 2018-03-07 Actron Technology Corporation Kurzschlussdetektionsschaltung und Kurzschlussdetektionsverfahren für mehrphasige Gleichrichter im Frequenzbereich
US9927783B2 (en) 2014-09-15 2018-03-27 Emerson Electric Co. Analog signal processing using a correlator digital filter
CN104934923A (zh) * 2015-06-30 2015-09-23 安徽博诺思信息科技有限公司 一种微电网继电保护装置
CN105116220B (zh) * 2015-07-30 2017-11-17 中国电子科技集团公司第四十一研究所 同步分离信号与噪声的信号分析装置及其分析方法
CN108139439B (zh) * 2015-10-14 2021-01-29 施瓦哲工程实验有限公司 高频电力系统信号处理系统
KR102635868B1 (ko) * 2016-01-26 2024-02-14 삼성전자주식회사 전자 장치 및 그의 제어방법
KR101770926B1 (ko) * 2016-12-30 2017-08-23 엘에스산전 주식회사 직류 성분에 의한 전기적 외란 검출 방법
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CN110865297B (zh) * 2019-12-04 2022-05-13 绵阳市维博电子有限责任公司 一种相敏轨道电压相角综合采集传感器
CN112731149A (zh) * 2021-01-30 2021-04-30 格至控智能动力科技（上海）有限公司 滤波信号判断方法
CN114527707A (zh) * 2022-02-24 2022-05-24 上海电机学院 基于plc的矿井自动化排水系统
CN116436465A (zh) * 2023-03-17 2023-07-14 普源精电科技股份有限公司 信号采样系统、信号采样方法及电子设备
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Also Published As

Publication number Publication date
EP0437861A3 (en) 1993-12-29
KR100250708B1 (ko) 2000-04-01
DE69027292T2 (de) 1997-01-23
KR910015089A (ko) 1991-08-31
CA2033874A1 (en) 1991-07-17
US5255202A (en) 1993-10-19
EP0437861B1 (de) 1996-06-05
EP0437861A2 (de) 1991-07-24
CA2033874C (en) 1999-04-06
KR100224185B1 (ko) 1999-10-15

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