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WO2001067587A2 - Circuit d'alimentation electrique comprenant des composants en carbure de silicium - Google Patents

Circuit d'alimentation electrique comprenant des composants en carbure de silicium Download PDF

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Publication number
WO2001067587A2
WO2001067587A2 PCT/DE2001/000704 DE0100704W WO0167587A2 WO 2001067587 A2 WO2001067587 A2 WO 2001067587A2 DE 0100704 W DE0100704 W DE 0100704W WO 0167587 A2 WO0167587 A2 WO 0167587A2
Authority
WO
WIPO (PCT)
Prior art keywords
power supply
circuit
supply circuit
voltage
converter
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
PCT/DE2001/000704
Other languages
German (de)
English (en)
Other versions
WO2001067587A3 (fr
Inventor
Susanne Gaksch
Walter Springmann
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2001067587A2 publication Critical patent/WO2001067587A2/fr
Publication of WO2001067587A3 publication Critical patent/WO2001067587A3/fr
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
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • 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

Definitions

  • the invention relates to a power supply circuit, in particular for a converter with a rectifier, an intermediate circuit and an inverter
  • Power supply circuits e.g. flyback converter circuits
  • flyback converter circuits are known from the prior art which have conventional silicon components as switching elements and / or diode elements.
  • Power supply circuits for electronics in a voltage intermediate circuit converter which are also referred to as frequency converters, are connected directly to the voltage intermediate circuit on the input side, for example.
  • These inverters are suitable for mains voltages up to 690 V, so that a voltage including tolerances and permissible working areas with a maximum value of 1300 V can occur in the DC link.
  • flyback voltages e.g. 300 V and voltage peaks when switching off over 100 V, so that a required reverse voltage of over 1700 V can result.
  • a MOSFET or an IGBT in a small design, e.g. TO 247.
  • These switch designs allow a switching frequency of a few 10 kHz, but can only tolerate a maximum reverse voltage of 1500 V.
  • a MOSFET is used as a switch, it already has a considerable line resistance at such a high reverse voltage, as a result of which high line losses are generated. If one wants to avoid complex parallel switching of several MOSFETs, the output power of the flyback converter must be limited and the switch cooled. If an IGBT with a high reverse voltage is used as the switch of the flyback converter circuit, a switching frequency of a few 10 kHz is not permitted since an IGBT with a high reverse voltage has large switching losses. At low frequencies, higher peak currents occur, which deteriorates the quality of the output voltage.
  • a conventional flyback converter circuit can therefore no longer be used with such flyback voltages.
  • this voltage is not sufficient if this flyback converter circuit is to be connected to the DC link on the input side of a converter for a line voltage of 690 V.
  • a very fast diode 2 must be provided on the primary side of the transformer 5, which must also have small forward losses.
  • FIG. 2 illustrates a first circuit with which the input voltage of the power supply circuit can be reduced.
  • This circuit has a capacitive voltage divider, which has two electrically connected in series
  • a step-down divider can also be used.
  • 3 shows a power supply circuit 6 with a buck converter. This step-down converter has a switch 1, a choke
  • a diode 2 and two capacitors 4 Depending on the control of the switch 1, the output voltage of the buck converter, which is the input voltage of the power supply circuit 6, is adjustable. Switch 1 and diode 2 must each have a high blocking capacity, but without flyback voltage, so that a 1500 V switch is sufficient. The forward losses and especially the lack of switching speed are a nuisance with this circuit.
  • the invention is based on the object of offering a power supply circuit which can also operate at increased blocking Voltages and / or switching frequencies can be operated with little effort.
  • silicon carbide components are used as switching elements and / or diode elements instead of conventional silicon components.
  • silicon carbide components have higher critical operating field strengths than conventional silicon components. In this way, the reverse voltage can be significantly increased with a comparable chip thickness. Alternatively, the transmission losses of silicon carbide components can be significantly reduced compared to conventional silicon components when operating with a comparable reverse voltage.
  • the switching frequency can be increased compared to conventional silicon components.
  • silicon carbide components have an improved thermal conductivity, so that operation at higher temperatures is made possible and component cooling can be reduced.
  • the power supply circuit according to the invention with silicon carbide components can also be used for conventional flyback converter circuits but also other voltage converter circuits known per se. In all applications, the advantages discussed arise with regard to increased reverse voltages, lower forward losses and increased switching frequency etc.
  • FIG. 3 shows a buck converter circuit
  • FIG. 4 shows a flyback converter circuit
  • FIG. 8 shows a full-bridge circuit and FIG. 9 shows an H circuit.
  • the power supply circuits shown in FIGS. 4 to 9 are exemplary embodiments of the power supply circuits mentioned in claims 2 to 7.
  • All power supply circuits receive an input voltage U e from the DC voltage source, for example an intermediate circuit (not shown) of a converter, to the output voltage U out converted at the output of the power supply circuits to the respective connected consumer .
  • the individual power supply circuits have clocked transformers 10 via switching elements 8.
  • diode elements 9, chokes 11 and / or capacitors 12 are provided.
  • the switching elements 1 are shown as field-effect transistors, namely MOSFETs. In principle, however, switching elements and switches of all kinds are conceivable.
  • FIG. 4 shows a flyback converter circuit known per se
  • FIG. 5 shows a single-ended flow converter circuit
  • FIG. 6 shows a push-pull flow converter circuit
  • 7 shows a half-bridge circuit known per se
  • FIG. 8 shows a full-bridge circuit
  • FIG. 9 shows an H-circuit.
  • the power supply circuits according to FIGS. 5 to 9 serve, among other things. as a replacement for the flyback converter circuit according to FIG. 4, in order to alleviate or eliminate the described restrictions and shortcomings of this circuit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Ac-Ac Conversion (AREA)
  • Inverter Devices (AREA)

Abstract

L'invention concerne un circuit d'alimentation électrique destiné notamment à un convertisseur et comprenant un redresseur, un circuit intermédiaire et un onduleur. Ce circuit d'alimentation électrique présente des composants en carbure de silicium comme éléments de commutation (1) et/ou éléments diode (2).
PCT/DE2001/000704 2000-03-09 2001-02-23 Circuit d'alimentation electrique comprenant des composants en carbure de silicium Ceased WO2001067587A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10011523.3 2000-03-09
DE10011523A DE10011523A1 (de) 2000-03-09 2000-03-09 Stromversorgungsschaltung mit Silizium-Karbid-Bauelementen

Publications (2)

Publication Number Publication Date
WO2001067587A2 true WO2001067587A2 (fr) 2001-09-13
WO2001067587A3 WO2001067587A3 (fr) 2001-12-20

Family

ID=7634115

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2001/000704 Ceased WO2001067587A2 (fr) 2000-03-09 2001-02-23 Circuit d'alimentation electrique comprenant des composants en carbure de silicium

Country Status (2)

Country Link
DE (1) DE10011523A1 (fr)
WO (1) WO2001067587A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7582939B2 (en) 2003-02-26 2009-09-01 Siemens Aktiengesellschaft Semiconductor diode, electronic component and voltage source inverter
DE102008025680A1 (de) 2008-05-29 2009-12-03 Siemens Healthcare Diagnostics Gmbh Analyseeinrichtung und Verfahren zum Redoxcycling ohne Potentiostat
US9685947B2 (en) 2015-03-30 2017-06-20 Halliburton Energy Services, Inc. Simplified gate driver for power transistors
US9692409B2 (en) 2015-03-30 2017-06-27 Halliburton Energy Services, Inc. Simplified gate driver for power transistors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9787212B2 (en) * 2014-05-05 2017-10-10 Rockwell Automation Technologies, Inc. Motor drive with silicon carbide MOSFET switches

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19756873A1 (de) * 1997-12-19 1999-07-01 Siemens Ag Elektrische Schaltungsanordnung zur Transformation von magnetischer Feldenergie in elektrische Feldenergie

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7582939B2 (en) 2003-02-26 2009-09-01 Siemens Aktiengesellschaft Semiconductor diode, electronic component and voltage source inverter
DE102008025680A1 (de) 2008-05-29 2009-12-03 Siemens Healthcare Diagnostics Gmbh Analyseeinrichtung und Verfahren zum Redoxcycling ohne Potentiostat
US9685947B2 (en) 2015-03-30 2017-06-20 Halliburton Energy Services, Inc. Simplified gate driver for power transistors
US9692409B2 (en) 2015-03-30 2017-06-27 Halliburton Energy Services, Inc. Simplified gate driver for power transistors

Also Published As

Publication number Publication date
DE10011523A1 (de) 2001-09-20
WO2001067587A3 (fr) 2001-12-20

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