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SU904147A1 - Magnetotransistorized convertor - Google Patents

Magnetotransistorized convertor Download PDF

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Publication number
SU904147A1
SU904147A1 SU802932968A SU2932968A SU904147A1 SU 904147 A1 SU904147 A1 SU 904147A1 SU 802932968 A SU802932968 A SU 802932968A SU 2932968 A SU2932968 A SU 2932968A SU 904147 A1 SU904147 A1 SU 904147A1
Authority
SU
USSR - Soviet Union
Prior art keywords
transistor
power source
transformer
transistors
capacitor
Prior art date
Application number
SU802932968A
Other languages
Russian (ru)
Inventor
Янис Поликарпович Грейвулис
Эдвин Августович Блумбергс
Original Assignee
Рижский Ордена Трудового Красного Знамени Политехнический Институт
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 Рижский Ордена Трудового Красного Знамени Политехнический Институт filed Critical Рижский Ордена Трудового Красного Знамени Политехнический Институт
Priority to SU802932968A priority Critical patent/SU904147A1/en
Application granted granted Critical
Publication of SU904147A1 publication Critical patent/SU904147A1/en

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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
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
    • H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of DC power input into AC power output without possibility of reversal 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
    • H02M7/537—Conversion of DC power input into AC power output without possibility of reversal 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, e.g. single switched pulse inverters
    • H02M7/538—Conversion of DC power input into AC power output without possibility of reversal 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, e.g. single switched pulse inverters in a push-pull configuration
    • H02M7/5381—Parallel type
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • H02M1/346—Passive non-dissipative snubbers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Description

1one

Изобретение относитс  к магнитотранзисторным преобразовател м.This invention relates to magnetotransistor converters.

Известен преобразователь, состо щий из двух транзисторов и трансформатора с обмотками СП .A converter is known, consisting of two transistors and a transformer with windings SP.

Недостатком этого устройства  вл етс  его недостаточна  надежность.A disadvantage of this device is its lack of reliability.

Наиболее близким к предлагаемому по технической сущности и достигаемому результату  вл етс  магнитотранзисторный преобразователь, содержащий два транзистора, коллекторы которых соединены с отрицательным зажимом источника питани , а эмиттеры соединены с обмотками трансформатора , обща  точка которых соединена с положительным зажимом источника 2 .The closest to the proposed technical essence and the achieved result is a magnetotransistor converter containing two transistors, the collectors of which are connected to the negative terminal of the power source, and the emitters are connected to the windings of the transformer, the common point of which is connected to the positive terminal of the source 2.

Недостатком этого устройства  вл етс  низкий КПД.A disadvantage of this device is low efficiency.

Цель изобретени  - повышение КПД.The purpose of the invention is to increase efficiency.

Указанна  цель достигаетс  тем, что устройство снабжено LC-фильтром, дополнительным транзистором, импульсThis goal is achieved by the fact that the device is equipped with an LC filter, an additional transistor, a pulse

ным трансформатором, двухполупериодным выпр мителем и двум  диодами, аноды которых соединены с эмиттерами транзисторов, а катоды - с дросселем фильтра и базой дополнительного транзистора, эмиттер которого через конденсатор фильтра, а коллектор через первичную обмотку импульсного трансформатора соединены с положительным зажимом источника, причем вторична  обмотка импульсного трансформатора через выпр митель подключена к зажимам источника.transformer, full-wave rectifier and two diodes, the anodes of which are connected to the emitters of the transistors, and the cathodes to the filter choke and the base of the additional transistor, whose emitter is through the filter capacitor, and the collector is connected to the positive source terminal, the secondary winding pulse transformer through a rectifier connected to the terminals of the source.

На чертеже представлена схема преобразовател .The drawing shows a diagram of the Converter.

Claims (2)

8 колхгектор-эмиттерных цеп х . транзисторов 1 и 2 включены обмотки трансформатора 3. Через разделительные диоды и 5 подключены последовательно к положительному зажиму источника питани  дроссель 6 и конденсатор 7 фильтра. Параллельно дросселю 6 подключен эмиттерно-базовый переход дополнительного транзистоpa 8, в эмиттер-коллекторную цепь которого подключена первична  обмотка импульсного трансформатора 9, вторична  обмотка которого соединена через двухполупериодный выпр митель 10 с зажимами источника питани . При отключении транзистора 1 про исходит зар д конденсатора 7 через диод 5 и дроссель 6. В момент прекр щени  зар да из-за наличи  ЭДС обратной пол рности в дросселе 6 открываетс  транзистор 8 и конденсатор 7 разр жаетс  на испульсный трансформатор 9. Напр жение с выпр мител  10 подаетс  к источнику питани , обеспечива  рекуперацию энергии. При окончании разр да, вре м  которого зависит от napaNjeTpoB дроссел  6 и транзистора 8, напр же ние конденсатора 7 практически не измен етс  из-за наличи  диода 5. При этом энерги , затрачиваема  на перемагничивание сердечника трансформатора 9, возвращаетс  источнику питани  благодар  наличию двухполупериодного выпр мител  10. Аналогич но устройство действует при отключении транзистора 2. Предлагаемое устройство имеет по вышенный КПД и обеспечивает защиту от перенапр жений транзисторов преобразовател . Формула изобретени  . Магнитотранзисторный преобразователь , содержащий два транзистора, коллекторы которых соединены с отрицательным зажимом источника питани , а эмиттеры соединены с обмотками трансформатора, обща  точка которых соединена с положительным зажимом источника питани , отличающийс  тем, что, с целью повышени  КПД, он снабжен 1С-фильтром, дополнительным транзистором, импульсным трансформатором, двухполупериодным выпр мителем и двум  диодами, аноды которых соединены с эмиттерами тран зисторов, а катоды - с дросселем фильтра и базой дополнительного транзистора, эмиттер которого через конденсатор фильтра, а коллектор через первичную обмотку импульсного трансформатора соединены с положительным зажимом источника, причем вторична  обмотка импульсного трансформатора через выпр митель подключена к зажимам источника. Источники информации, прин тые во внимание при экспертизе 1.Хасаев О.И. Транзисторные преобразователи напр жени  и частоты. , м., Наука, 1966, с. 88-93, рис. 5б. 8 kolhgtektor-emitter chains x. Transistors 1 and 2 include windings of transformer 3. Through separation diodes and 5 are connected in series to the positive terminal of the power source, choke 6 and filter capacitor 7. In parallel with the inductor 6, an emitter-base junction of an additional transistor 8 is connected, to the emitter-collector circuit of which the primary winding of the pulse transformer 9 is connected, the secondary winding of which is connected through a full-wave rectifier 10 to the power supply terminals. When transistor 1 is disconnected, capacitor 7 is charged through diode 5 and choke 6. At the moment of charging failure due to the presence of reverse polarity EMF in choke 6, transistor 8 is opened and capacitor 7 is discharged to the pulse transformer 9. rectifier 10 is supplied to a power source, providing energy recovery. At the end of the discharge, the time of which depends on the napaNjeTpoB throttle 6 and transistor 8, the voltage of the capacitor 7 remains almost unchanged due to the presence of diode 5. At the same time, the energy required for remagnetization of the transformer core 9 is returned to the power source due to the presence of a full-wave rectifier 10. Similarly, the device operates when the transistor 2 is disconnected. The proposed device has an increased efficiency and provides protection against overvoltages of the transistors of the converter. Claims. A magneto-transistor converter containing two transistors, the collectors of which are connected to the negative terminal of the power source, and the emitters are connected to the windings of the transformer, the common point of which is connected to the positive terminal of the power source, which is equipped with a 1C-filter, an additional point transistor, pulse transformer, full-wave rectifier and two diodes, the anodes of which are connected to the emitters of the transistors, and the cathodes - to the filter choke and the base of the additional Nogo transistor, the emitter of which through the filter capacitor and the collector through the primary winding of the pulse transformer connected to the positive power terminal, wherein the secondary winding of the pulse transformer via a rectifier connected to the terminals of the source. Sources of information taken into account in the examination 1. O. Khasaev Transistor voltage and frequency converters. , m., Science, 1966, p. 88-93, fig. 5 B. 2.Исаев Э.А. Полупроводниковые преобразователи напр жени . М., Воениздат , 19б2, с. 29, рис. 10.2. Isaev E.A. Semiconductor voltage converters. M., Voenizdat, 19b2, p. 29, fig. ten.
SU802932968A 1980-06-06 1980-06-06 Magnetotransistorized convertor SU904147A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU802932968A SU904147A1 (en) 1980-06-06 1980-06-06 Magnetotransistorized convertor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU802932968A SU904147A1 (en) 1980-06-06 1980-06-06 Magnetotransistorized convertor

Publications (1)

Publication Number Publication Date
SU904147A1 true SU904147A1 (en) 1982-02-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU802932968A SU904147A1 (en) 1980-06-06 1980-06-06 Magnetotransistorized convertor

Country Status (1)

Country Link
SU (1) SU904147A1 (en)

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