AU464574B2 - Improvements in or relating toa. c. supply monitoring apparatus - Google Patents

Improvements in or relating toa. c. supply monitoring apparatus

Info

Publication number
AU464574B2
AU464574B2 AU46990/72A AU4699072A AU464574B2 AU 464574 B2 AU464574 B2 AU 464574B2 AU 46990/72 A AU46990/72 A AU 46990/72A AU 4699072 A AU4699072 A AU 4699072A AU 464574 B2 AU464574 B2 AU 464574B2
Authority
AU
Australia
Prior art keywords
monitoring apparatus
supply monitoring
relating toa
toa
relating
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
Application number
AU46990/72A
Other versions
AU4699072A (en
Inventor
CAVINS and BEVAN LOWNDES CLARK MICHAEL
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.)
Fujitsu Services Ltd
Original Assignee
Fujitsu Services 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 Fujitsu Services Ltd filed Critical Fujitsu Services Ltd
Publication of AU4699072A publication Critical patent/AU4699072A/en
Application granted granted Critical
Publication of AU464574B2 publication Critical patent/AU464574B2/en
Expired legal-status Critical Current

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
    • H02H3/24—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 undervoltage or no-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
    • G01R19/16533—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Measurement Of Current Or Voltage (AREA)
AU46990/72A 1971-10-01 1972-09-22 Improvements in or relating toa. c. supply monitoring apparatus Expired AU464574B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4577271A GB1366377A (en) 1971-10-01 1971-10-01 Supply monitoring apparatus
GBGB45772/71 1971-10-01

Publications (2)

Publication Number Publication Date
AU4699072A AU4699072A (en) 1974-03-28
AU464574B2 true AU464574B2 (en) 1975-08-28

Family

ID=10438536

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46990/72A Expired AU464574B2 (en) 1971-10-01 1972-09-22 Improvements in or relating toa. c. supply monitoring apparatus

Country Status (4)

Country Link
AU (1) AU464574B2 (en)
DE (1) DE2247598C2 (en)
FR (1) FR2156671B3 (en)
GB (1) GB1366377A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245150A (en) * 1979-02-26 1981-01-13 International Business Machines Corporation Power line disturbance detector circuit
FR2538643B1 (en) * 1982-12-23 1986-02-21 Pretel METHOD AND DEVICE FOR MONITORING AN ELECTRICAL DISTRIBUTION NETWORK

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130911B (en) * 1961-06-10 1962-06-07 Telefunken Patent Circuit arrangement for monitoring the mains voltage in switching devices which are used to control communication devices, in particular directional radio devices
US3571707A (en) * 1969-04-18 1971-03-23 Nasa Voltage dropout sensor

Also Published As

Publication number Publication date
DE2247598A1 (en) 1973-04-05
FR2156671B3 (en) 1975-10-17
FR2156671A1 (en) 1973-06-01
DE2247598C2 (en) 1984-07-05
GB1366377A (en) 1974-09-11
AU4699072A (en) 1974-03-28

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