DE3875849D1 - Isolierte analogische spannungsfuehlerschaltung. - Google Patents

Isolierte analogische spannungsfuehlerschaltung.

Info

Publication number
DE3875849D1
DE3875849D1 DE8888307220T DE3875849T DE3875849D1 DE 3875849 D1 DE3875849 D1 DE 3875849D1 DE 8888307220 T DE8888307220 T DE 8888307220T DE 3875849 T DE3875849 T DE 3875849T DE 3875849 D1 DE3875849 D1 DE 3875849D1
Authority
DE
Germany
Prior art keywords
capacitor
voltage
input voltage
transformer
switching means
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 - Lifetime
Application number
DE8888307220T
Other languages
English (en)
Inventor
Mansing Tse
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.)
Astec International Ltd
Original Assignee
Astec International 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 Astec International Ltd filed Critical Astec International Ltd
Application granted granted Critical
Publication of DE3875849D1 publication Critical patent/DE3875849D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Electronic Switches (AREA)
DE8888307220T 1987-08-05 1988-08-04 Isolierte analogische spannungsfuehlerschaltung. Expired - Lifetime DE3875849D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/081,840 US4949030A (en) 1987-08-05 1987-08-05 Isolated analog voltage sense circuit

Publications (1)

Publication Number Publication Date
DE3875849D1 true DE3875849D1 (de) 1992-12-17

Family

ID=22166732

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888307220T Expired - Lifetime DE3875849D1 (de) 1987-08-05 1988-08-04 Isolierte analogische spannungsfuehlerschaltung.

Country Status (6)

Country Link
US (1) US4949030A (de)
EP (1) EP0302730B1 (de)
JP (1) JPH0196566A (de)
CN (1) CN1012873B (de)
AT (1) ATE82447T1 (de)
DE (1) DE3875849D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0447405B1 (de) * 1988-12-06 1995-08-02 Boral Johns Perry Industries Pty. Ltd. Regelsystem für einen motor
US5808495A (en) * 1991-11-26 1998-09-15 Furuno Electric Company, Limited Magnetron driving circuit
US5742153A (en) * 1992-08-18 1998-04-21 Basic Measuring Instruments Coasting power supply for AC power system waveform measuring instrument
US6351530B1 (en) 1998-11-16 2002-02-26 Conexant Systems, Inc. Modem having a digital high voltage isolation barrier
US6519339B1 (en) 1999-04-30 2003-02-11 Conexant Systems, Inc. Method of regulating power transfer across an isolation barrier
US6809508B2 (en) * 2000-10-20 2004-10-26 Ethicon Endo-Surgery, Inc. Detection circuitry for surgical handpiece system
US7889041B2 (en) * 2007-11-05 2011-02-15 Schweitzer Engineering Laboratories, Inc. Systems and methods for forming an isolated transformer
US7557655B2 (en) * 2007-11-05 2009-07-07 Schweitzer Engineering Laboratories, Inc. Systems and methods for isolating an analog signal
CN102570842B (zh) * 2010-12-30 2015-05-20 意法半导体研发(深圳)有限公司 三相计量系统及其方法
US10365184B2 (en) * 2015-06-30 2019-07-30 Paul E. Hawkinson Company Electrical discharge testing system
CN104991498A (zh) * 2015-07-10 2015-10-21 广州邦讯信息系统有限公司 一种输入输出隔离电路
US10067165B2 (en) * 2015-09-04 2018-09-04 Ford Global Technologies, Llc Isolated differential voltage probe for EMI noise source
US10862298B2 (en) 2018-04-11 2020-12-08 Schweitzer Engineering Laboratories, Inc. Duty cycle modulated universal binary input circuit with reinforced isolation
US11934169B2 (en) 2021-05-05 2024-03-19 Schweitzer Engineering Laboratories, Inc. Configurable binary circuits for protection relays in electric power systems

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2137846A (en) * 1936-03-24 1938-11-22 Gen Electric Measuring instrument for alternating current circuits
US2198226A (en) * 1938-02-24 1940-04-23 Rca Corp Balanced diode circuit
US3156859A (en) * 1961-01-03 1964-11-10 Gulton Ind Inc Shielded direct current amplifier
US3430125A (en) * 1966-11-04 1969-02-25 Halmar Electronics Isolating circuit for making electrical measurements
US3581184A (en) * 1969-05-19 1971-05-25 Honeywell Inc Isolator for dc signal transmitter
US3631329A (en) * 1970-04-17 1971-12-28 Robert L Kimball Isolation circuit for program signals
US3946324A (en) * 1973-07-16 1976-03-23 Analog Devices, Incorporated Isolation amplifier
JPS5728966B2 (de) * 1973-08-22 1982-06-19
AT335009B (de) * 1973-12-05 1977-02-25 Siemens Ag Schaltung zur messwerterfassung gleichgerichteter wechselspannungen
US3914689A (en) * 1974-05-06 1975-10-21 Charles S Wright Self powering temperature compensated rectifier for measuring current
US4030041A (en) * 1975-08-28 1977-06-14 Honeywell Inc. Analog isolator
JPS5917898B2 (ja) * 1975-12-30 1984-04-24 株式会社山武 アイソレ−タ
US4295188A (en) * 1979-12-13 1981-10-13 Bell Telephone Laboratories, Incorporated Converter circuit providing isolation and load sensing
US4360784A (en) * 1980-08-13 1982-11-23 Automation Systems, Inc. Transformer coupled isolation amplifier
US4323961A (en) * 1980-09-12 1982-04-06 Astec Components, Ltd. Free-running flyback DC power supply
US4395647A (en) * 1980-11-03 1983-07-26 Analog Devices, Incorporated Half-wave signal isolator with means for controlling flux in the coupling transformer
JPS5811870A (ja) * 1981-07-15 1983-01-22 Fujitsu Ten Ltd 直流電流検出回路
US4511815A (en) * 1983-08-15 1985-04-16 International Rectifier Corporation Transformer-isolated power MOSFET driver circuit

Also Published As

Publication number Publication date
EP0302730A2 (de) 1989-02-08
US4949030A (en) 1990-08-14
ATE82447T1 (de) 1992-11-15
AU603691B2 (en) 1990-11-22
CN1031632A (zh) 1989-03-08
JPH0196566A (ja) 1989-04-14
AU2050988A (en) 1989-02-09
EP0302730A3 (en) 1989-11-23
EP0302730B1 (de) 1992-11-11
CN1012873B (zh) 1991-06-12

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Legal Events

Date Code Title Description
8332 No legal effect for de