EP0704144A4 - Soft switching circuitry - Google Patents

Soft switching circuitry

Info

Publication number
EP0704144A4
EP0704144A4 EP94919015A EP94919015A EP0704144A4 EP 0704144 A4 EP0704144 A4 EP 0704144A4 EP 94919015 A EP94919015 A EP 94919015A EP 94919015 A EP94919015 A EP 94919015A EP 0704144 A4 EP0704144 A4 EP 0704144A4
Authority
EP
European Patent Office
Prior art keywords
switching circuitry
soft switching
soft
circuitry
switching
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.)
Withdrawn
Application number
EP94919015A
Other languages
German (de)
French (fr)
Other versions
EP0704144A1 (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.)
ILUM-A-LITE PROPRIETARY LIMITED
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 EP0704144A1 publication Critical patent/EP0704144A1/en
Publication of EP0704144A4 publication Critical patent/EP0704144A4/en
Withdrawn legal-status Critical Current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
EP94919015A 1993-06-17 1994-06-14 Soft switching circuitry Withdrawn EP0704144A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ247913A NZ247913A (en) 1993-06-17 1993-06-17 Softly switched voltage output circuit with autotransformer
NZ24791393 1993-06-17
PCT/NZ1994/000060 WO1995001084A1 (en) 1993-06-17 1994-06-14 Soft switching circuitry

Publications (2)

Publication Number Publication Date
EP0704144A1 EP0704144A1 (en) 1996-04-03
EP0704144A4 true EP0704144A4 (en) 1996-12-04

Family

ID=19924387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94919015A Withdrawn EP0704144A4 (en) 1993-06-17 1994-06-14 Soft switching circuitry

Country Status (10)

Country Link
EP (1) EP0704144A4 (en)
AU (1) AU673612B2 (en)
CA (1) CA2164819C (en)
FI (1) FI956017A (en)
IL (1) IL109986A (en)
IN (1) IN184266B (en)
NO (1) NO955012D0 (en)
NZ (1) NZ247913A (en)
WO (1) WO1995001084A1 (en)
ZA (1) ZA944282B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRM20040371A1 (en) 2004-07-21 2004-10-21 Seko Italia S P A DRIVING DEVICE FOR AN ELECTROMAGNET, IN PARTICULAR FOR THE OPERATION OF PUMPS.

Citations (5)

* 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
GB2242587A (en) * 1990-02-01 1991-10-02 Mole Valley Systems Ltd Switching circuits

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283234A (en) * 1964-01-10 1966-11-01 Gen Electric Control for reversible motor with instantaneous current limit
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
US5047694A (en) * 1989-06-30 1991-09-10 Hubbell Incorporated Lamp starting circuit

Patent Citations (5)

* 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
GB2242587A (en) * 1990-02-01 1991-10-02 Mole Valley Systems Ltd Switching circuits

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9501084A1 *

Also Published As

Publication number Publication date
EP0704144A1 (en) 1996-04-03
CA2164819A1 (en) 1995-01-05
WO1995001084A1 (en) 1995-01-05
FI956017A0 (en) 1995-12-14
IL109986A0 (en) 1994-10-07
CA2164819C (en) 1998-11-10
IN184266B (en) 2000-07-22
NZ247913A (en) 1996-07-26
NO955012L (en) 1995-12-11
ZA944282B (en) 1995-02-10
FI956017A (en) 1995-12-14
IL109986A (en) 1999-04-11
AU7009794A (en) 1995-01-17
NO955012D0 (en) 1995-12-11
AU673612B2 (en) 1996-11-14

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