NZ247913A - Softly switched voltage output circuit with autotransformer - Google Patents

Softly switched voltage output circuit with autotransformer

Info

Publication number
NZ247913A
NZ247913A NZ247913A NZ24791393A NZ247913A NZ 247913 A NZ247913 A NZ 247913A NZ 247913 A NZ247913 A NZ 247913A NZ 24791393 A NZ24791393 A NZ 24791393A NZ 247913 A NZ247913 A NZ 247913A
Authority
NZ
New Zealand
Prior art keywords
circuit
electrical switching
switching circuit
voltage output
voltage
Prior art date
Application number
NZ247913A
Other languages
English (en)
Inventor
David Leslie Lloyd Peach
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
Priority to NZ247913A priority Critical patent/NZ247913A/en
Priority to IL10998694A priority patent/IL109986A/xx
Priority to AU70097/94A priority patent/AU673612B2/en
Priority to PCT/NZ1994/000060 priority patent/WO1995001084A1/en
Priority to EP94919015A priority patent/EP0704144A4/en
Priority to CA002164819A priority patent/CA2164819C/en
Priority to IN506MA1994 priority patent/IN184266B/en
Priority to ZA944282A priority patent/ZA944282B/xx
Priority to NO955012A priority patent/NO955012L/no
Priority to FI956017A priority patent/FI956017A/fi
Publication of NZ247913A publication Critical patent/NZ247913A/en

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)
NZ247913A 1993-06-17 1993-06-17 Softly switched voltage output circuit with autotransformer NZ247913A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NZ247913A NZ247913A (en) 1993-06-17 1993-06-17 Softly switched voltage output circuit with autotransformer
IL10998694A IL109986A (en) 1993-06-17 1994-06-10 Soft switching circuitry
AU70097/94A AU673612B2 (en) 1993-06-17 1994-06-14 Soft switching circuitry
PCT/NZ1994/000060 WO1995001084A1 (en) 1993-06-17 1994-06-14 Soft switching circuitry
EP94919015A EP0704144A4 (en) 1993-06-17 1994-06-14 CIRCUIT FOR GENTLE SWITCHING
CA002164819A CA2164819C (en) 1993-06-17 1994-06-14 Soft switching circuitry
IN506MA1994 IN184266B (no) 1993-06-17 1994-06-14
ZA944282A ZA944282B (en) 1993-06-17 1994-06-16 Soft switching circuitry
NO955012A NO955012L (no) 1993-06-17 1995-12-11 Svitsjkrets
FI956017A FI956017A (fi) 1993-06-17 1995-12-14 Pehmeä kytkentäpiiri

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ247913A NZ247913A (en) 1993-06-17 1993-06-17 Softly switched voltage output circuit with autotransformer

Publications (1)

Publication Number Publication Date
NZ247913A true NZ247913A (en) 1996-07-26

Family

ID=19924387

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ247913A NZ247913A (en) 1993-06-17 1993-06-17 Softly switched voltage output circuit with autotransformer

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.

Family Cites Families (9)

* 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
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
US4513224A (en) * 1982-09-22 1985-04-23 Pacific Power Control, Inc. Fluorescent-lighting-system voltage controller
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

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
WO1995001084A1 (en) 1995-01-05
AU7009794A (en) 1995-01-17
AU673612B2 (en) 1996-11-14
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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