GB1585889A - Load current representation circuits - Google Patents

Load current representation circuits Download PDF

Info

Publication number
GB1585889A
GB1585889A GB3331777A GB3331777A GB1585889A GB 1585889 A GB1585889 A GB 1585889A GB 3331777 A GB3331777 A GB 3331777A GB 3331777 A GB3331777 A GB 3331777A GB 1585889 A GB1585889 A GB 1585889A
Authority
GB
United Kingdom
Prior art keywords
capacitor
voltage
circuit
current
sample
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
GB3331777A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1585889A publication Critical patent/GB1585889A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/146—Measuring arrangements for current not covered by other subgroups of G01R15/14, e.g. using current dividers, shunts, or measuring a voltage drop
    • 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
    • G01R19/0092—Measuring current only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Control Of Direct Current Motors (AREA)
GB3331777A 1976-08-10 1977-08-09 Load current representation circuits Expired GB1585889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71310476A 1976-08-10 1976-08-10

Publications (1)

Publication Number Publication Date
GB1585889A true GB1585889A (en) 1981-03-11

Family

ID=24864748

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3331777A Expired GB1585889A (en) 1976-08-10 1977-08-09 Load current representation circuits

Country Status (2)

Country Link
JP (1) JPS5429682A (enExample)
GB (1) GB1585889A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003054559A3 (en) * 2001-12-21 2003-10-16 Ericsson Telefon Ab L M Wideband current sensor and method of sensing a current
FR2910173A1 (fr) * 2006-12-18 2008-06-20 Schneider Electric Ind Sas Dispositif de mesure de courant a isolation electrique, declencheur electronique, et disjoncteur comportant un tel dispositif
CN106383258A (zh) * 2016-08-31 2017-02-08 苏州迈力电器有限公司 电压隔离采样电路

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003054559A3 (en) * 2001-12-21 2003-10-16 Ericsson Telefon Ab L M Wideband current sensor and method of sensing a current
US6661217B2 (en) 2001-12-21 2003-12-09 Telefonaktiebolaget L.M. Ericsson Wideband precision current sensor
FR2910173A1 (fr) * 2006-12-18 2008-06-20 Schneider Electric Ind Sas Dispositif de mesure de courant a isolation electrique, declencheur electronique, et disjoncteur comportant un tel dispositif
WO2008087275A3 (fr) * 2006-12-18 2008-09-12 Schneider Electric Ind Sas Dispositif de mesure de courant a isolation electrique, declencheur electronique, et disjoncteur comportant un tel dispositif
US8378663B2 (en) 2006-12-18 2013-02-19 Schneider Electric Insustries SAS Current measurement signal device with electrical isolation, electronic trip unit, and circuit breaker comprising one such device
CN106383258A (zh) * 2016-08-31 2017-02-08 苏州迈力电器有限公司 电压隔离采样电路
CN106383258B (zh) * 2016-08-31 2019-05-07 苏州迈力电器有限公司 电压隔离采样电路

Also Published As

Publication number Publication date
JPS5630506B2 (enExample) 1981-07-15
JPS5429682A (en) 1979-03-05

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Legal Events

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