AU673612B2 - Soft switching circuitry - Google Patents

Soft switching circuitry Download PDF

Info

Publication number
AU673612B2
AU673612B2 AU70097/94A AU7009794A AU673612B2 AU 673612 B2 AU673612 B2 AU 673612B2 AU 70097/94 A AU70097/94 A AU 70097/94A AU 7009794 A AU7009794 A AU 7009794A AU 673612 B2 AU673612 B2 AU 673612B2
Authority
AU
Australia
Prior art keywords
circuit
electrical switching
switching circuit
voltage
solid state
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.)
Ceased
Application number
AU70097/94A
Other languages
English (en)
Other versions
AU7009794A (en
Inventor
David Leslie Lloyd Peach
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.)
Southpower Ltd
Original Assignee
Southpower 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 Southpower Ltd filed Critical Southpower Ltd
Publication of AU7009794A publication Critical patent/AU7009794A/en
Application granted granted Critical
Publication of AU673612B2 publication Critical patent/AU673612B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/275—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/293—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
    • H02P13/06—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output by tap-changing; by rearranging interconnections of windings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/40—Controlling the intensity of light discontinuously
    • H05B41/42—Controlling the intensity of light discontinuously in two steps only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Dc-Dc Converters (AREA)
  • Rectifiers (AREA)
  • Ac-Ac Conversion (AREA)
  • Amplifiers (AREA)
  • Noise Elimination (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
AU70097/94A 1993-06-17 1994-06-14 Soft switching circuitry Ceased AU673612B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ247913 1993-06-17
NZ247913A NZ247913A (en) 1993-06-17 1993-06-17 Softly switched voltage output circuit with autotransformer
PCT/NZ1994/000060 WO1995001084A1 (en) 1993-06-17 1994-06-14 Soft switching circuitry

Publications (2)

Publication Number Publication Date
AU7009794A AU7009794A (en) 1995-01-17
AU673612B2 true AU673612B2 (en) 1996-11-14

Family

ID=19924387

Family Applications (1)

Application Number Title Priority Date Filing Date
AU70097/94A Ceased AU673612B2 (en) 1993-06-17 1994-06-14 Soft switching circuitry

Country Status (10)

Country Link
EP (1) EP0704144A4 (no)
AU (1) AU673612B2 (no)
CA (1) CA2164819C (no)
FI (1) FI956017A (no)
IL (1) IL109986A (no)
IN (1) IN184266B (no)
NO (1) NO955012L (no)
NZ (1) NZ247913A (no)
WO (1) WO1995001084A1 (no)
ZA (1) ZA944282B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRM20040371A1 (it) 2004-07-21 2004-10-21 Seko Italia S P A Dispositivo di pilotaggio di un elettromagnete, in particolare per l'azionamento di pompe.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1060550A (en) * 1964-01-10 1967-03-08 Gen Electric Electrical circuit for controlling the polarity and magnitude of a load current
US3921035A (en) * 1974-01-15 1975-11-18 Esquire Inc Solid state switching circuit
US4513224A (en) * 1982-09-22 1985-04-23 Pacific Power Control, Inc. Fluorescent-lighting-system voltage controller

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201938A (en) * 1978-10-02 1980-05-06 Siemens-Allis, Inc. Voltage regulator which eliminates arcing during tap changes
CH650888A5 (en) * 1980-03-25 1985-08-15 Rudolf Muehling Power changeover device for gas-discharge lamps
US4701645A (en) * 1985-01-24 1987-10-20 Cox & Company, Inc. Switching circuit with low conducted electromagnetic interference characteristics
US4736268A (en) * 1986-12-18 1988-04-05 Westinghouse Electric Corp. High frequency AC solid state switch
US5047694A (en) * 1989-06-30 1991-09-10 Hubbell Incorporated Lamp starting circuit
GB2242587B (en) * 1990-02-01 1994-05-25 Mole Valley Systems Ltd Power control circuit for reactive loads

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1060550A (en) * 1964-01-10 1967-03-08 Gen Electric Electrical circuit for controlling the polarity and magnitude of a load current
US3921035A (en) * 1974-01-15 1975-11-18 Esquire Inc Solid state switching circuit
US4513224A (en) * 1982-09-22 1985-04-23 Pacific Power Control, Inc. Fluorescent-lighting-system voltage controller

Also Published As

Publication number Publication date
NO955012D0 (no) 1995-12-11
CA2164819A1 (en) 1995-01-05
EP0704144A1 (en) 1996-04-03
CA2164819C (en) 1998-11-10
FI956017A0 (fi) 1995-12-14
NZ247913A (en) 1996-07-26
WO1995001084A1 (en) 1995-01-05
AU7009794A (en) 1995-01-17
IN184266B (no) 2000-07-22
FI956017A (fi) 1995-12-14
IL109986A (en) 1999-04-11
IL109986A0 (en) 1994-10-07
ZA944282B (en) 1995-02-10
NO955012L (no) 1995-12-11
EP0704144A4 (en) 1996-12-04

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired