GB1496421A - Supervision circuit - Google Patents

Supervision circuit

Info

Publication number
GB1496421A
GB1496421A GB1540/75A GB154075A GB1496421A GB 1496421 A GB1496421 A GB 1496421A GB 1540/75 A GB1540/75 A GB 1540/75A GB 154075 A GB154075 A GB 154075A GB 1496421 A GB1496421 A GB 1496421A
Authority
GB
United Kingdom
Prior art keywords
current
load
detecting
auxiliary
jan
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
GB1540/75A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1496421A publication Critical patent/GB1496421A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • 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
    • G01R19/145—Indicating the presence of current or voltage
    • 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
    • G01R31/40—Testing power supplies
    • G01R31/42—AC power supplies
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity
    • 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
    • H02H3/12—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 underload or no-load

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Control Of Resistance Heating (AREA)
  • Control Of Temperature (AREA)
GB1540/75A 1974-01-14 1975-01-14 Supervision circuit Expired GB1496421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
YU100/74A YU39302B (en) 1974-01-14 1974-01-14 Phase-independent compensation monitor

Publications (1)

Publication Number Publication Date
GB1496421A true GB1496421A (en) 1977-12-30

Family

ID=25548331

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1540/75A Expired GB1496421A (en) 1974-01-14 1975-01-14 Supervision circuit

Country Status (6)

Country Link
CH (1) CH583947A5 (cs)
DK (1) DK137658B (cs)
FR (1) FR2257911B1 (cs)
GB (1) GB1496421A (cs)
IT (1) IT1028330B (cs)
YU (1) YU39302B (cs)

Also Published As

Publication number Publication date
CH583947A5 (cs) 1977-01-14
FR2257911A1 (cs) 1975-08-08
YU39302B (en) 1984-10-31
DE2500412A1 (de) 1975-07-17
DK137658C (cs) 1978-09-18
DE2500412B2 (de) 1976-03-04
DK137658B (da) 1978-04-10
FR2257911B1 (cs) 1980-01-25
DK6075A (cs) 1975-09-01
IT1028330B (it) 1979-01-30
YU10074A (en) 1982-02-28

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Legal Events

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