HK64585A - A method of and apparatus for reducing priming and sweep-out losses in scr switching circuits - Google Patents

A method of and apparatus for reducing priming and sweep-out losses in scr switching circuits

Info

Publication number
HK64585A
HK64585A HK645/85A HK64585A HK64585A HK 64585 A HK64585 A HK 64585A HK 645/85 A HK645/85 A HK 645/85A HK 64585 A HK64585 A HK 64585A HK 64585 A HK64585 A HK 64585A
Authority
HK
Hong Kong
Prior art keywords
sweep
current
priming
scr
energy
Prior art date
Application number
HK645/85A
Other languages
German (de)
English (en)
French (fr)
Inventor
Paul Romberg Johannessen
Original Assignee
Megapulse Incorporated
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 Megapulse Incorporated filed Critical Megapulse Incorporated
Publication of HK64585A publication Critical patent/HK64585A/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
    • H03K17/73Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for DC voltages or currents
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of DC power input into DC power output
    • H02M3/02Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/125Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M3/135Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M3/137Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/04Modifications for accelerating switching
    • H03K17/0403Modifications for accelerating switching in thyristor switches
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K2217/00Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/0036Means reducing energy consumption

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Power Conversion In General (AREA)
  • Thyristor Switches And Gates (AREA)
  • Generation Of Surge Voltage And Current (AREA)
  • Dc-Dc Converters (AREA)
HK645/85A 1978-04-06 1985-08-29 A method of and apparatus for reducing priming and sweep-out losses in scr switching circuits HK64585A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/893,966 US4230955A (en) 1978-04-06 1978-04-06 Method of and apparatus for eliminating priming and carrier sweep-out losses in SCR switching circuits and the like

Publications (1)

Publication Number Publication Date
HK64585A true HK64585A (en) 1985-09-06

Family

ID=25402416

Family Applications (1)

Application Number Title Priority Date Filing Date
HK645/85A HK64585A (en) 1978-04-06 1985-08-29 A method of and apparatus for reducing priming and sweep-out losses in scr switching circuits

Country Status (9)

Country Link
US (1) US4230955A (cs)
EP (1) EP0004701B1 (cs)
JP (2) JPS54148369A (cs)
AU (1) AU527680B2 (cs)
CA (1) CA1134438A (cs)
DE (1) DE2964125D1 (cs)
HK (1) HK64585A (cs)
IL (1) IL56422A (cs)
ZA (1) ZA79750B (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4674022A (en) * 1986-07-01 1987-06-16 Megapulse, Inc. SCR priming and sweep-out circuit apparatus
GB8816774D0 (en) * 1988-07-14 1988-08-17 Bsr Int Plc Power supplies
EP0550757B1 (en) * 1991-06-28 2001-10-10 Hitachi Metals, Ltd. Pulse generator and dust collector using same
FR2717015B1 (fr) * 1994-03-03 1996-04-26 Alcatel Converters Alimentation à découpage adaptée pour permettre des commutations sous tension réduite.
US5734544A (en) * 1996-07-09 1998-03-31 Megapulse, Inc. Solid-state pulse generating apparatus and method particularly adapted for ion implantation
US5969439A (en) * 1998-04-09 1999-10-19 Megapulse, Incorporated Pulse generator apparatus for RF pulse generation in tuned loads including series regulation and capacitor clamping method therefor
FR2803135B1 (fr) * 1999-12-28 2002-04-26 Valeo Electronique Circuit a decoupage, notamment pour vehicule automobile, a filtrage ameliore
US6466461B2 (en) * 2001-02-09 2002-10-15 Netpower Technologies, Inc. Method and circuit for reducing voltage level variation in a bias voltage in a power converter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1396036A (fr) * 1964-04-27 1965-04-16 Frako Condensatoren Und Appbau Montage pour la commande avec faibles pertes d'un récepteur électrique à courant continu
US3549908A (en) * 1968-11-14 1970-12-22 Us Navy Turn-off circuit for dc load carrying scr switch
GB1260967A (en) * 1969-11-15 1972-01-19 Marconi Co Ltd Improvements in or relating to triggerable pulse generators
JPS4946573B1 (cs) * 1970-03-27 1974-12-11
US3652874A (en) * 1970-07-30 1972-03-28 Donald F Partridge Circuit for controlling the conduction of a switching device
US3942094A (en) * 1973-08-13 1976-03-02 Mitsubishi Denki Kabushiki Kaisha Commutation circuit and applications thereof
JPS5245633B2 (cs) * 1973-10-23 1977-11-17
JPS5087263A (cs) * 1973-12-03 1975-07-14
GB1563999A (en) * 1975-09-18 1980-04-02 Marconi Co Ltd Capacitor charging systems

Also Published As

Publication number Publication date
JPS54148369A (en) 1979-11-20
EP0004701B1 (en) 1982-12-01
EP0004701A2 (en) 1979-10-17
JPH0744441B2 (ja) 1995-05-15
ZA79750B (en) 1980-03-26
IL56422A (en) 1982-07-30
JPH0474950B2 (cs) 1992-11-27
EP0004701A3 (en) 1979-10-31
CA1134438A (en) 1982-10-26
DE2964125D1 (en) 1983-01-05
AU527680B2 (en) 1983-03-17
IL56422A0 (en) 1979-03-12
JPH05315924A (ja) 1993-11-26
US4230955A (en) 1980-10-28
AU4349679A (en) 1979-10-18

Similar Documents

Publication Publication Date Title
US4365171A (en) Low loss snubber circuit
CA2216275C (en) Rcc-type switching power supply
US6055161A (en) Switching type power supply for arc welding
US4063306A (en) Actively switched damping circuit
US4446513A (en) DC/AC Bridge inverter including a switching aid and inductive energy recovery circuit
US5027263A (en) Switching power source means
CN112865540B (zh) 一种原边反馈式反激变换器的无损钳位网络及设计方法
US5063488A (en) Switching power source means
US5379206A (en) Low loss snubber circuit with active recovery switch
US4611267A (en) Snubber arrangements with energy recovery for power converters using self-extinguishing devices
EP0004701B1 (en) A method of and apparatus for reducing priming and sweep-out losses in scr switching circuits
US4392172A (en) Reactive snubber for inductive load clamp diodes
GB1583620A (en) Gate circuit of gate turnoff thyristor
US3361952A (en) Driven inverter circuit
US4016391A (en) Induction heating apparatus with means for improving the dv/dt capability of a silicon-controlled rectifier used therein
US4638138A (en) High frequency inverter circuit for melting and induction heating
US3721836A (en) Current limited transistor switch
US3265956A (en) Electrical apparatus
US5530617A (en) Exciter circuit with oscillatory discharge and solid state switchiing device
US4191993A (en) Inverter comprising at least two controllable load thyristors
GB1563999A (en) Capacitor charging systems
US3932800A (en) Direct current power control circuit
JPS6091860A (ja) 直列接続のscrを同時にトリガ−する方法および装置
US3376494A (en) High frequency controlled rectifier circuit
JPH02155470A (ja) スイッチング回路

Legal Events

Date Code Title Description
PE Patent expired