JPS62220870A - 交流電流検出回路 - Google Patents

交流電流検出回路

Info

Publication number
JPS62220870A
JPS62220870A JP61306168A JP30616886A JPS62220870A JP S62220870 A JPS62220870 A JP S62220870A JP 61306168 A JP61306168 A JP 61306168A JP 30616886 A JP30616886 A JP 30616886A JP S62220870 A JPS62220870 A JP S62220870A
Authority
JP
Japan
Prior art keywords
current
current detection
transistor
detection circuit
transformer
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.)
Granted
Application number
JP61306168A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0243149B2 (enExample
Inventor
スティーブン・エイチ・ペッパー
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.)
Tektronix Inc
Original Assignee
Tektronix Inc
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 Tektronix Inc filed Critical Tektronix Inc
Publication of JPS62220870A publication Critical patent/JPS62220870A/ja
Publication of JPH0243149B2 publication Critical patent/JPH0243149B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H02M3/33576—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
    • H02M3/33592—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/50—Transformers for galvanic isolation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Rectifiers (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Dc-Dc Converters (AREA)
JP61306168A 1986-03-17 1986-12-22 交流電流検出回路 Granted JPS62220870A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/840,274 US4677536A (en) 1986-03-17 1986-03-17 AC Current sensing circuit
US840274 1986-03-17

Publications (2)

Publication Number Publication Date
JPS62220870A true JPS62220870A (ja) 1987-09-29
JPH0243149B2 JPH0243149B2 (enExample) 1990-09-27

Family

ID=25281920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61306168A Granted JPS62220870A (ja) 1986-03-17 1986-12-22 交流電流検出回路

Country Status (4)

Country Link
US (1) US4677536A (enExample)
EP (1) EP0237652B1 (enExample)
JP (1) JPS62220870A (enExample)
DE (1) DE3667860D1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4964029A (en) * 1988-05-18 1990-10-16 Viteq Corporation AC to DC power converter with input current waveform control for buck-boost regulation of output
US4956600A (en) * 1988-07-01 1990-09-11 Viteq Corporation High frequency current detector for a low frequency line
DE3912542A1 (de) * 1989-04-17 1990-10-18 Standard Elektrik Lorenz Ag Schaltungsanordnung zum erkennen eines wechselstromflusses in einer leitung
US6028423A (en) * 1997-12-11 2000-02-22 Sanchez; Jorge Isolation instrument for electrical testing
SE514850C2 (sv) 1998-05-07 2001-04-30 Ericsson Telefon Ab L M Synkronlikriktare i flybacktopologi
US6285234B1 (en) 1999-12-20 2001-09-04 System Design Concepts, Inc. Current-mode magnetic isolator for switching DC-DC converters
DE60326457D1 (de) 2003-01-08 2009-04-16 Tecey Software Dev Kg Llc Vorrichtung und verfahren zur messung dynamischer lasersignale
US8836525B2 (en) 2011-06-06 2014-09-16 Lear Corporation Isolated resistive current sensor
US10826373B2 (en) 2017-07-26 2020-11-03 Nxp B.V. Current pulse transformer for isolating electrical signals

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52129475A (en) * 1976-04-22 1977-10-29 Mitsubishi Electric Corp Load current detecting circuit
JPS5332061U (enExample) * 1976-08-25 1978-03-20
JPS593263A (ja) * 1982-06-29 1984-01-09 Mitsubishi Electric Corp 電流検出装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA593689A (en) * 1960-03-01 M. Cluwen Johannes Limiting circuit
DE1268668B (de) * 1965-03-12 1968-05-22 English Electric Co Ltd Elektrische Signalpegel-Detektorschaltung
JPS5627420A (en) * 1979-08-11 1981-03-17 Sanyo Electric Co Ltd Constant-voltage electric power source circuit
JPS5957312A (ja) * 1982-09-25 1984-04-02 Toshiba Corp 電流制限回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52129475A (en) * 1976-04-22 1977-10-29 Mitsubishi Electric Corp Load current detecting circuit
JPS5332061U (enExample) * 1976-08-25 1978-03-20
JPS593263A (ja) * 1982-06-29 1984-01-09 Mitsubishi Electric Corp 電流検出装置

Also Published As

Publication number Publication date
US4677536A (en) 1987-06-30
JPH0243149B2 (enExample) 1990-09-27
EP0237652B1 (en) 1989-12-27
DE3667860D1 (de) 1990-02-01
EP0237652A1 (en) 1987-09-23

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