JPS5323525U - - Google Patents

Info

Publication number
JPS5323525U
JPS5323525U JP8345977U JP8345977U JPS5323525U JP S5323525 U JPS5323525 U JP S5323525U JP 8345977 U JP8345977 U JP 8345977U JP 8345977 U JP8345977 U JP 8345977U JP S5323525 U JPS5323525 U JP S5323525U
Authority
JP
Japan
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.)
Granted
Application number
JP8345977U
Other languages
Japanese (ja)
Other versions
JPS6037005Y2 (ja
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
Publication of JPS5323525U publication Critical patent/JPS5323525U/ja
Application granted granted Critical
Publication of JPS6037005Y2 publication Critical patent/JPS6037005Y2/ja
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)
JP8345977U 1976-06-25 1977-06-24 電気装置のための監視装置 Expired JPS6037005Y2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2662276A GB1561845A (en) 1976-06-25 1976-06-25 Energy monitoring systems for electrical devices
GB26622 1977-06-03

Publications (2)

Publication Number Publication Date
JPS5323525U true JPS5323525U (en18) 1978-02-28
JPS6037005Y2 JPS6037005Y2 (ja) 1985-11-02

Family

ID=10246532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8345977U Expired JPS6037005Y2 (ja) 1976-06-25 1977-06-24 電気装置のための監視装置

Country Status (6)

Country Link
JP (1) JPS6037005Y2 (en18)
AU (1) AU511012B2 (en18)
DE (1) DE2728355A1 (en18)
FR (1) FR2356151A1 (en18)
GB (1) GB1561845A (en18)
NL (1) NL7706847A (en18)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63117254U (en18) * 1987-01-23 1988-07-28

Families Citing this family (5)

* 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
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
WO1996013732A1 (de) * 1994-10-27 1996-05-09 Siemens Aktiengesellschaft Verfahren zum überwachen des abbrandes wenigstens eines kontaktstückes bei einem schaltgerät sowie diesbezüglich ausgebildetes schaltgerät

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63117254U (en18) * 1987-01-23 1988-07-28
JPH0534206Y2 (en18) * 1987-01-23 1993-08-30

Also Published As

Publication number Publication date
JPS6037005Y2 (ja) 1985-11-02
DE2728355C2 (en18) 1988-12-15
DE2728355A1 (de) 1977-12-29
NL7706847A (nl) 1977-12-28
AU511012B2 (en) 1980-07-24
FR2356151B1 (en18) 1983-09-30
FR2356151A1 (fr) 1978-01-20
GB1561845A (en) 1980-03-05
AU2599577A (en) 1978-12-14

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