IT1115543B - Apparecchiatura per rilevare e immagazzinare disturbi di una linea di alimentazione elettrica - Google Patents

Apparecchiatura per rilevare e immagazzinare disturbi di una linea di alimentazione elettrica

Info

Publication number
IT1115543B
IT1115543B IT29879/77A IT2987977A IT1115543B IT 1115543 B IT1115543 B IT 1115543B IT 29879/77 A IT29879/77 A IT 29879/77A IT 2987977 A IT2987977 A IT 2987977A IT 1115543 B IT1115543 B IT 1115543B
Authority
IT
Italy
Prior art keywords
disturbances
storing
detecting
equipment
electric power
Prior art date
Application number
IT29879/77A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1115543B publication Critical patent/IT1115543B/it

Links

Classifications

    • 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
    • H02H3/20—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 responsive to excess voltage
    • H02H3/207—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 responsive to excess voltage also responsive to under-voltage
    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16547—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies voltage or current in AC supplies
    • 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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
IT29879/77A 1976-12-17 1977-11-22 Apparecchiatura per rilevare e immagazzinare disturbi di una linea di alimentazione elettrica IT1115543B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/751,575 US4156280A (en) 1976-12-17 1976-12-17 Utility monitor for detecting and storing power line disturbances

Publications (1)

Publication Number Publication Date
IT1115543B true IT1115543B (it) 1986-02-03

Family

ID=25022616

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29879/77A IT1115543B (it) 1976-12-17 1977-11-22 Apparecchiatura per rilevare e immagazzinare disturbi di una linea di alimentazione elettrica

Country Status (6)

Country Link
US (1) US4156280A (it)
JP (1) JPS5376335A (it)
DE (1) DE2751973A1 (it)
FR (1) FR2374689A1 (it)
GB (1) GB1588757A (it)
IT (1) IT1115543B (it)

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US4558275A (en) * 1981-04-21 1985-12-10 The Superior Electric Company Line voltage monitor system
US4398255A (en) * 1981-06-26 1983-08-09 General Electric Company Polyphase angle estimator
JPS5854830A (ja) * 1981-09-29 1983-03-31 日産自動車株式会社 車両用電子回路の電源監視装置
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FR2561783B1 (fr) * 1984-03-23 1986-07-11 Aerospatiale Dispositif pour la surveillance d'une tension electrique sujette a des interruptions involontaires et momentanees
GB2171212A (en) * 1985-02-19 1986-08-20 Control Logic Circuit breaker monitor
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GB8716144D0 (en) * 1987-07-09 1987-08-12 British Aerospace Comparator circuits
DE3725922A1 (de) * 1987-07-31 1989-02-09 Licentia Gmbh Verfahren und anordnung zur erfassung auch schneller elektrischer vorgaenge
US4814934A (en) * 1987-12-24 1989-03-21 Sundstrand Corp. Voltage fault detector
US4879624A (en) * 1987-12-24 1989-11-07 Sundstrand Corporation Power controller
US4812943A (en) * 1987-12-24 1989-03-14 Sundstrand Corp. Current fault protection system
US4811136A (en) * 1987-12-24 1989-03-07 Jones Gregory D Phase controller for processing current and voltage faults
US5027285A (en) * 1989-02-28 1991-06-25 Oneac Corporation Power line waveform measurement system
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US5027297A (en) * 1989-09-29 1991-06-25 Abb Power T & D Company Inc. System for time stamping events using a remote master clock
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US5473497A (en) * 1993-02-05 1995-12-05 Franklin Electric Co., Inc. Electronic motor load sensing device
US5479359A (en) * 1993-03-17 1995-12-26 Metcalf & Eddy, Inc. Automated data collection system for fugitive emission sources
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US5736847A (en) * 1994-12-30 1998-04-07 Cd Power Measurement Limited Power meter for determining parameters of muliphase power lines
US5650936A (en) * 1994-12-30 1997-07-22 Cd Power Measurement Limited Power monitor apparatus and method with object oriented structure
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US6510397B1 (en) 1999-03-13 2003-01-21 Textron Systems Corporation Method and apparatus for self-diagnosis of a sensor
US6425293B1 (en) 1999-03-13 2002-07-30 Textron Systems Corporation Sensor plug
US6694285B1 (en) 1999-03-13 2004-02-17 Textron System Corporation Method and apparatus for monitoring rotating machinery
US6546814B1 (en) 1999-03-13 2003-04-15 Textron Systems Corporation Method and apparatus for estimating torque in rotating machinery
US6493644B1 (en) 1999-08-09 2002-12-10 Power Measurement Ltd. A-base revenue meter with power quality features
US6615147B1 (en) 1999-08-09 2003-09-02 Power Measurement Ltd. Revenue meter with power quality features
US6798191B1 (en) 1999-08-09 2004-09-28 Power Measurement Ltd. Revenue meter with a graphic user interface being operative to display scalable objects
US6397155B1 (en) 1999-08-09 2002-05-28 Power Measurement Ltd. Method and apparatus for automatically controlled gain switching of monitors
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US7355301B2 (en) * 2003-02-26 2008-04-08 Cannon Technologies, Inc. Load control receiver with line under voltage and line under frequency detection and load shedding
US7242114B1 (en) 2003-07-08 2007-07-10 Cannon Technologies, Inc. Thermostat device with line under frequency detection and load shedding capability
US7702424B2 (en) 2003-08-20 2010-04-20 Cannon Technologies, Inc. Utility load control management communications protocol
US7003421B1 (en) * 2003-11-03 2006-02-21 Lsi Logic Corporation VDD over and undervoltage measurement techniques using monitor cells
US7626497B2 (en) * 2005-05-25 2009-12-01 Current Technologies, Llc Power line communication vegetation management system and method
US7528503B2 (en) * 2005-07-22 2009-05-05 Cannon Technologies, Inc. Load shedding control for cycled or variable load appliances
US7180301B1 (en) 2005-11-30 2007-02-20 The Untied States Of America As Represented By The Secretary Of The Army Power monitor-glitch trap system
US8058852B2 (en) * 2008-04-23 2011-11-15 Woongjin Coway Co., Ltd. Device and method for detecting zero crossing and voltage amplitude from single pulse signal
US8340931B2 (en) * 2009-10-05 2012-12-25 Mehta Tech, Inc. Power grid with comparison of differences in remote phasor changes
US9528717B2 (en) 2012-02-28 2016-12-27 Cooper Technologies Company Efficiency heating, ventilating, and air-conditioning through extended run-time control
US9966761B1 (en) 2014-05-23 2018-05-08 Google Llc Load curtailment on an electrical grid
DE102017206101A1 (de) * 2017-04-10 2018-10-11 BSH Hausgeräte GmbH Schaltanordnung zur Messung einer Netzspannung
JP7132022B2 (ja) * 2018-08-08 2022-09-06 ローム株式会社 電圧監視回路
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FR2157755B1 (it) * 1971-10-26 1974-05-31 Alpave
FR2202296B1 (it) * 1972-10-09 1977-01-14 Cii
JPS49117944A (it) * 1973-03-16 1974-11-11
US3813667A (en) * 1973-05-29 1974-05-28 Us Navy Three-phase power disturbance monitor
US3836790A (en) * 1973-08-22 1974-09-17 Lorain Prod Corp A-c voltage detector
US3973197A (en) * 1974-07-22 1976-08-03 Koehring Company Peak detector
US4006413A (en) * 1974-12-19 1977-02-01 The United States Of America As Represented By The Department Of Health, Education And Welfare Field instrument for measurement of AC voltage fluctuations
FR2304899A1 (fr) * 1975-03-20 1976-10-15 Cit Alcatel Detecteur de crete d'une variable
US4024459A (en) * 1976-01-15 1977-05-17 Wilcox Electric, Inc. Amplitude measurement of signals of different frequency
US4069452A (en) * 1976-09-15 1978-01-17 Dana Laboratories, Inc. Apparatus for automatically detecting values of periodically time varying signals

Also Published As

Publication number Publication date
JPS5376335A (en) 1978-07-06
FR2374689B1 (it) 1980-08-08
JPS6132894B2 (it) 1986-07-30
GB1588757A (en) 1981-04-29
FR2374689A1 (fr) 1978-07-13
DE2751973A1 (de) 1978-06-22
US4156280A (en) 1979-05-22

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