GB1561845A - Energy monitoring systems for electrical devices - Google Patents

Energy monitoring systems for electrical devices Download PDF

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Publication number
GB1561845A
GB1561845A GB2662276A GB2662276A GB1561845A GB 1561845 A GB1561845 A GB 1561845A GB 2662276 A GB2662276 A GB 2662276A GB 2662276 A GB2662276 A GB 2662276A GB 1561845 A GB1561845 A GB 1561845A
Authority
GB
United Kingdom
Prior art keywords
output
current
supply
voltage
negative
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
GB2662276A
Other languages
English (en)
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 filed Critical
Priority to GB2662276A priority Critical patent/GB1561845A/en
Priority to AU25995/77A priority patent/AU511012B2/en
Priority to NL7706847A priority patent/NL7706847A/xx
Priority to DE19772728355 priority patent/DE2728355A1/de
Priority to FR7719474A priority patent/FR2356151A1/fr
Priority to JP8345977U priority patent/JPS6037005Y2/ja
Publication of GB1561845A publication Critical patent/GB1561845A/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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/36—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points of different systems, e.g. of parallel feeder systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • 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
    • H02H3/42—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 product of voltage and current

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)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Control Of Multiple Motors (AREA)
  • Control Of Electric Motors In General (AREA)
GB2662276A 1976-06-25 1976-06-25 Energy monitoring systems for electrical devices Expired GB1561845A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB2662276A GB1561845A (en) 1976-06-25 1976-06-25 Energy monitoring systems for electrical devices
AU25995/77A AU511012B2 (en) 1976-06-25 1977-06-09 Electronic monitoring system fora plant having reactive lead devices
NL7706847A NL7706847A (nl) 1976-06-25 1977-06-21 Inrichting voor het bewaken van de opname van elektrische energie.
DE19772728355 DE2728355A1 (de) 1976-06-25 1977-06-23 Ueberwachungssystem
FR7719474A FR2356151A1 (fr) 1976-06-25 1977-06-24 Dispositif de controle de la consommation d'appareils electriques
JP8345977U JPS6037005Y2 (ja) 1976-06-25 1977-06-24 電気装置のための監視装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2662276A GB1561845A (en) 1976-06-25 1976-06-25 Energy monitoring systems for electrical devices

Publications (1)

Publication Number Publication Date
GB1561845A true GB1561845A (en) 1980-03-05

Family

ID=10246532

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2662276A Expired GB1561845A (en) 1976-06-25 1976-06-25 Energy monitoring systems for electrical devices

Country Status (6)

Country Link
JP (1) JPS6037005Y2 (xx)
AU (1) AU511012B2 (xx)
DE (1) DE2728355A1 (xx)
FR (1) FR2356151A1 (xx)
GB (1) GB1561845A (xx)
NL (1) NL7706847A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360879A (en) * 1980-08-28 1982-11-23 The Valeron Corporation Power measuring device
JPH0534206Y2 (xx) * 1987-01-23 1993-08-30
DE3810157A1 (de) * 1988-03-25 1989-10-12 Bosch Gmbh Robert Ueberwachung von elektrischen geraeten
DE3816439A1 (de) * 1988-05-13 1989-11-16 Reich Maschf Gmbh Karl Anzeigeeinrichtung fuer elektrowerkzeuge
DE4242177A1 (de) * 1992-12-15 1994-06-16 Teves Gmbh Alfred Schaltungsanordnung zur Überwachung einer Vielzahl von Spulen
EP0787305B1 (de) * 1994-10-27 1998-05-13 Siemens Aktiengesellschaft Schaltgerät mit überwachung des abbrandes wenigstens eines kontaktstückes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB789557A (en) * 1954-12-24 1958-01-22 Francois Jacques Denis Dayonne Apparatus for simultaneously reading a plurality of curves
US3955138A (en) * 1974-11-06 1976-05-04 General Electric Company Electronic energy consumption meter with input transformer having single resistance terminated secondary winding coupled to C-MOS switches driven by pulse width modulated control signals

Also Published As

Publication number Publication date
FR2356151B1 (xx) 1983-09-30
DE2728355C2 (xx) 1988-12-15
JPS6037005Y2 (ja) 1985-11-02
AU511012B2 (en) 1980-07-24
AU2599577A (en) 1978-12-14
DE2728355A1 (de) 1977-12-29
NL7706847A (nl) 1977-12-28
FR2356151A1 (fr) 1978-01-20
JPS5323525U (xx) 1978-02-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920603