DE69406636D1 - Signalerfassungsschaltung für digitale Regelung - Google Patents

Signalerfassungsschaltung für digitale Regelung

Info

Publication number
DE69406636D1
DE69406636D1 DE69406636T DE69406636T DE69406636D1 DE 69406636 D1 DE69406636 D1 DE 69406636D1 DE 69406636 T DE69406636 T DE 69406636T DE 69406636 T DE69406636 T DE 69406636T DE 69406636 D1 DE69406636 D1 DE 69406636D1
Authority
DE
Germany
Prior art keywords
detection circuit
signal detection
digital control
digital
control
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
DE69406636T
Other languages
English (en)
Other versions
DE69406636T2 (de
Inventor
Yutaka Koizumi
Minoru Banjo
Takeshi Wakugawa
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
Hitachi Information and Control Systems Inc
Hitachi Electric Systems Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Electric Systems Co Ltd
Hitachi Process Computer Engineering Inc
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 Hitachi Ltd, Hitachi Electric Systems Co Ltd, Hitachi Process Computer Engineering Inc filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE69406636D1 publication Critical patent/DE69406636D1/de
Publication of DE69406636T2 publication Critical patent/DE69406636T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
    • H02P9/26—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices
    • H02P9/30—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
DE69406636T 1993-12-09 1994-11-29 Signalerfassungsschaltung für digitale Regelung Expired - Lifetime DE69406636T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30896893 1993-12-09

Publications (2)

Publication Number Publication Date
DE69406636D1 true DE69406636D1 (de) 1997-12-11
DE69406636T2 DE69406636T2 (de) 1998-06-10

Family

ID=17987396

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69406636T Expired - Lifetime DE69406636T2 (de) 1993-12-09 1994-11-29 Signalerfassungsschaltung für digitale Regelung

Country Status (4)

Country Link
US (1) US5594350A (de)
EP (1) EP0657991B1 (de)
CN (1) CN1062693C (de)
DE (1) DE69406636T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0746078B1 (de) * 1995-05-31 2002-09-18 Kabushiki Kaisha Meidensha Verfahren und Vorrichtung zum Detektieren des Islanding-Betriebes eines verteilten Generators
FR2771561B1 (fr) * 1997-11-24 2000-01-28 Gec Alsthom T & D Sa Dispositif de commutation d'un generateur de centrale electrique et d'un transformateur avec un sectionneur a trois positions
JP4034397B2 (ja) * 1998-01-13 2008-01-16 中部電力株式会社 系統安定化装置
WO1999053606A1 (fr) * 1998-04-09 1999-10-21 Mitsubishi Denki Kabushiki Kaisha Dispositif d'excitation pour generateur
CN100390547C (zh) * 2003-10-14 2008-05-28 炬力集成电路设计有限公司 基于滤波器的电压有效值的测量方法
CN100439926C (zh) * 2006-03-31 2008-12-03 北京万工科技有限公司 用于洛高夫斯基(Rogowski)线圈的积分器及其实现方法
CN101652920B (zh) * 2007-04-10 2012-09-26 三菱电机株式会社 电源再生变流器
WO2013009835A1 (en) 2011-07-11 2013-01-17 Andrew Llc Method and apparatuses for managing a distributed antenna system
US8831593B2 (en) 2011-09-15 2014-09-09 Andrew Wireless Systems Gmbh Configuration sub-system for telecommunication systems
WO2013040579A1 (en) 2011-09-16 2013-03-21 Andrew Wireless Systems Gmbh Integrated intermodulation detection sub-system for telecommunications systems
EP2896146B1 (de) 2012-09-14 2019-11-06 Andrew Wireless Systems GmbH Uplink-pfad-integritätserkennung in verteilten antennensystemen
WO2014053149A1 (en) 2012-10-05 2014-04-10 Andrew Wireless Systems Gmbh Capacity optimization sub-system for distributed antenna system
CN107390141A (zh) * 2017-09-07 2017-11-24 国网辽宁省电力有限公司 一种适用于分布式电源孤岛检测的变流器检测装置及方法
CN109410881B (zh) * 2018-12-20 2020-06-02 深圳市华星光电技术有限公司 信号传输系统及信号传输方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741023A (en) * 1986-12-23 1988-04-26 General Electric Company On-line test and diagnostic system for power system stabilizer
JP2903086B2 (ja) * 1987-06-03 1999-06-07 株式会社日立製作所 ディジタル保護リレー
CN88202036U (zh) * 1988-03-25 1988-10-05 清华大学电机系 用频率或转速为信号的电力系统稳定器
US5097219A (en) * 1988-12-15 1992-03-17 Mitsubishi Denki Kabushiki Kaisha Pll for controlling frequency deviation of a variable frequency oscillator
JPH0356034A (ja) * 1989-07-20 1991-03-11 Meidensha Corp ディジタル型電圧調整継電器
JP3256805B2 (ja) * 1990-02-16 2002-02-18 株式会社日立製作所 電力系統の信号処理装置、電力制御装置
JPH03245715A (ja) * 1990-02-23 1991-11-01 Fuji Electric Co Ltd ディジタル形保護継電器
JPH04213A (ja) * 1990-04-12 1992-01-06 Fuji Electric Co Ltd ディジタル形母線保護リレー
DE4105516C2 (de) * 1991-02-22 1995-11-16 Hell Ag Linotype Verfahren und Vorrichtung zur verbesserten Wiedergabe von Konturen
US5132633A (en) * 1991-05-21 1992-07-21 National Semiconductor Corporation PLL using a multi-phase frequency correction circuit in place of a VCO
US5440222A (en) * 1991-07-15 1995-08-08 Mitsubishi Denki Kabushiki Kaisha Excitation control apparatus for synchronous machine
JP3235224B2 (ja) * 1992-01-09 2001-12-04 富士電機株式会社 ディジタル形過電圧継電器
US5391982A (en) * 1992-02-22 1995-02-21 Goldstar Co., Ltd. Apparatus for automatically recognizing a frequency of a power supply and method thereof
US5394025A (en) * 1993-05-28 1995-02-28 Lambda Electronics, Inc. Stabilization of MOS-FET type voltage to current converters

Also Published As

Publication number Publication date
DE69406636T2 (de) 1998-06-10
EP0657991A1 (de) 1995-06-14
EP0657991B1 (de) 1997-11-05
CN1111418A (zh) 1995-11-08
CN1062693C (zh) 2001-02-28
US5594350A (en) 1997-01-14

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