WO2006032694A1 - Procede pour faire fonctionner un onduleur et dispositif pour realiser le procede - Google Patents

Procede pour faire fonctionner un onduleur et dispositif pour realiser le procede Download PDF

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Publication number
WO2006032694A1
WO2006032694A1 PCT/EP2005/054764 EP2005054764W WO2006032694A1 WO 2006032694 A1 WO2006032694 A1 WO 2006032694A1 EP 2005054764 W EP2005054764 W EP 2005054764W WO 2006032694 A1 WO2006032694 A1 WO 2006032694A1
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WO
WIPO (PCT)
Prior art keywords
semiconductor switch
inverter
output
voltage
semiconductor
Prior art date
Application number
PCT/EP2005/054764
Other languages
German (de)
English (en)
Inventor
Jalal Hallak
Original Assignee
Siemens Ag Österreich
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 Österreich filed Critical Siemens Ag Österreich
Priority to EP05794629A priority Critical patent/EP1792388A1/fr
Publication of WO2006032694A1 publication Critical patent/WO2006032694A1/fr

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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

Definitions

  • the invention relates to a method for operating an electronically controlled inverter and arrangement for carrying out the method.
  • Electronically controlled inverters are, for example, US-Z. :CM. Penalver, et al. IEEE Transactions on Industrial Electronics, Vol., IE-32, No.3, August 1985, pages 186-191; They are used, for example, in solar systems, by the solar cells To convert the direct current generated in such a way that a discharge into the public AC grid is possible., This is a virtually unlimited use of the solar energy produced guaranteed.
  • the invention has the object of developing the known from the prior art inverter.
  • the object is achieved with a method of the type mentioned, in which the inverter is controlled during the positive half cycle of the AC output voltage so that it is in the manner of a high / Buck converter cascade works and in which the inverter during the negative half cycle of the AC output voltage is controlled so that it operates in the manner of an inverter.
  • step-up / step-down divider and inverter leads to a low-loss inverter with a particularly low ridge current, which thus also has a high efficiency and is therefore particularly suitable for use in solar systems.
  • the inverter comprises a semiconductor bridge circuit formed from first, second, third and fourth semiconductor switches whose first output is connected to a first terminal of an AC output of the inverter whose second output is connected to a second terminal of the AC output of the inverter Furthermore, a first choke is provided, whose first side is connected to the positive pole of a DC voltage source and whose second side is connected via a fifth semiconductor switch to the negative pole of the DC voltage source, when the connection between the first choke and the fifth semiconductor switch via a first diode and a first sixth semiconductor switch is connected to the first terminal of a second choke and the cathode of a second diode when the second terminal of the second choke is connected to a first input of the bridge circuit and the anode the second diode is connected to a second input of the bridge circuit and when the negative pole of the DC voltage source is connected to the second terminal of the AC output and the connection of the first diode and the sixth semiconductor switch is connected via a capacitor to the negative pole of the DC voltage source.
  • microcontroller during the positive half-wave of Output AC voltage of the first and fourth semiconductor switches permanently turned on and the second and third semiconductor switches are switched off permanently, and when the fifth and sixth semiconductor switches are pulsed and pulsed during the negative half cycle of the AC output voltage of the sixth semiconductor switch, and if in this Period of the second and third semiconductor switches permanently switched on and the first, the fourth and the fifth semiconductor switch are switched off permanently.
  • a microcontroller is provided, which is programmed to control the semiconductor switch accordingly.
  • FIG. 2 shows the circuit diagram of an exemplary inverter using n-channel junction MOSFETs.
  • FIG. 3, 4, 5 and 6 current flow and switching states in an exemplary inverter during the positive half cycle of the AC output voltage,
  • FIG. 7 and 8 current flow and switching states in an exemplary inverter during the negative half cycle of the AC output voltage
  • FIG. 9 and FIG. 10 show the time profile of exemplary drive signals for the semiconductor switches.
  • the inverter shown in the figures comprises a semiconductor bridge circuit formed of first, second, third and fourth semiconductor switches S1, S2, S3, S4. The one from the combination of first and second
  • Semiconductor switch Sl, S2 formed first output of the semiconductor bridge circuit is connected to a first terminal an alternating voltage output U O u ⁇ connected to the inverter.
  • the second output of the semiconductor bridge circuit formed from the connection of the third and fourth semiconductor switches S3, S4 is connected to a second terminal of the alternating voltage output U O u ⁇ of the inverter.
  • a first choke L1 is provided, whose first side is connected to the positive pole of a DC voltage source U IN and whose second side is connected via a fifth semiconductor switch S5 to the negative pole of the DC voltage source U IN .
  • connection between the first throttle Ll and the fifth semiconductor switch S5 is connected via a first diode Dl and a sixth semiconductor switch S6 to the first terminal of a second inductor L2 and the cathode of a second diode D2 and the second terminal of the second inductor L2 to one, through which Connection of the first and third semiconductor switch Sl, S3 formed first input of the bridge circuit Sl, S2, S3, S4 connected.
  • First and second throttle L1, L2 may have a common core.
  • the connection of the first diode Dl and the sixth semiconductor switch S6 is connected via a capacitor Cz to the negative pole of the DC voltage source.
  • the anode of the second diode D2 is connected to one through the
  • n-channel junction MOSFET as a semiconductor switch Sl, S2, S3, S4, S5, S6, the installation direction is observed, which is indicated in Fig. 2 by the diode symbols shown by dashed lines.
  • the use of a diode D3 is expedient whose function, however, can also be realized by a corresponding control of the semiconductor switch.
  • microcontroller The control of the semiconductor switches by means (not shown) microcontroller.
  • Semiconductor switch Sl, S4 permanently switched on and the second and third semiconductor switches S2, S3 permanently off.
  • the fifth and sixth semiconductor switches S5, S6 are pulsed during this period.
  • the sixth semiconductor switch S6 is pulsed and the second and third semiconductor switches S2, S3 are switched on permanently in this period, whereas the first, fourth and fifth semiconductor switches S1, S4, S5 are permanently switched off.
  • FIG 3 shows the state in which the inverter receives electrical energy from the DC voltage source U IN during a positive half cycle of the output voltage.
  • the fifth semiconductor switch S5 is closed and thus given a current path between the positive pole of the DC voltage source U IN via the first choke Ll and the fifth semiconductor switch S5.
  • the sixth semiconductor switch S6 is open.
  • the choke Ll stores energy which, as shown in FIG. 4, after opening the fifth semiconductor switch S5 and closing the sixth semiconductor switch S6 via the first diode D1, the sixth semiconductor switch S6, the second choke L2, and
  • the circuit already shown in FIG. 3 forms from the positive pole of the DC voltage source U IN via the first choke L 1 and the fifth semiconductor switch S 5 to the negative pole of the DC voltage source U IN .
  • the sixth semiconductor switch S6 is pulsed during this period and the second and third semiconductor switches S2, S3 are permanently switched on during this period, the first, fourth and fifth semiconductor switches S1 , S4, S5, however, switched off permanently.
  • the function of a so-called inverter is carried out according to the invention during the negative half cycle of the AC output voltage.
  • FIG. 7 shows the conditions when the sixth semiconductor switch S6 is closed. It forms a current path between the positive pole of the DC voltage source U IN via the first choke Ll, the first diode Dl, the sixth semiconductor switch S6, the second inductor L2, and the third semiconductor switch S3 to the negative pole of
  • the sixth semiconductor switch S6 is opened.
  • the resulting circuits extend on the one hand from the positive pole of the DC voltage source U ⁇ N on the first inductor Ll, the first diode Dl and the capacitor Cz to the negative pole of the DC voltage source U ⁇ N and on the other hand via the second inductor L2, the third semiconductor switch S3, the AC voltage network U O u ⁇ and the second semiconductor switch S2 and the second diode D2.
  • FIGS. 9 and 10 each show the exemplary course of the control signals for the semiconductor switches S1, S2, S3, S4, S5 and S6, the two figures representing different switching variants during the period of the positive half cycle of the AC output voltage.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

L'invention concerne un procédé pour faire fonctionner un onduleur commandé de manière électronique, caractérisé en ce que l'onduleur (S1-S6, Ci, L1, D1, Cz, L2, D, Co) est commandé pendant la demi-onde positive de tension alternative de sortie (Uour), de la même manière qu'une sorte de cascade de régulateurs réducteurs / élévateurs. Selon ledit procédé, l'onduleur est commandé, pendant la demi-onde négative de tension alternative de sortie, de la même manière qu'un inverseur.
PCT/EP2005/054764 2004-09-23 2005-09-23 Procede pour faire fonctionner un onduleur et dispositif pour realiser le procede WO2006032694A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05794629A EP1792388A1 (fr) 2004-09-23 2005-09-23 Procede pour faire fonctionner un onduleur et dispositif pour realiser le procede

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT15982004A AT500919B1 (de) 2004-09-23 2004-09-23 Verfahren zum betrieb eines wechselrichters und anordnung zur durchfuhrung des verfahrens
ATA1598/2004 2004-09-23

Publications (1)

Publication Number Publication Date
WO2006032694A1 true WO2006032694A1 (fr) 2006-03-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/054764 WO2006032694A1 (fr) 2004-09-23 2005-09-23 Procede pour faire fonctionner un onduleur et dispositif pour realiser le procede

Country Status (3)

Country Link
EP (1) EP1792388A1 (fr)
AT (1) AT500919B1 (fr)
WO (1) WO2006032694A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008098812A1 (fr) * 2007-02-16 2008-08-21 Siemens Ag Österreich Onduleur
EP2128972A2 (fr) * 2008-05-27 2009-12-02 General Electric Company Inverseur photovoltaïque multi-source haute efficacité
CN102035418A (zh) * 2009-10-01 2011-04-27 约翰尼斯海登海恩博士股份有限公司 运行逆变器的方法和逆变器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196995A (en) * 1989-12-01 1993-03-23 Zdzislaw Gulczynski 3-terminal bidirectional switching power supply with AC or DC input and AC or DC output
DE19642522C1 (de) * 1996-10-15 1998-04-23 Dietrich Karschny Wechselrichter
DE19732218C1 (de) * 1997-07-26 1999-03-18 Dirk Schekulin Transformatorlose Wechselrichter-Schaltungsanordnung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09121559A (ja) * 1995-10-24 1997-05-06 Toshiba Fa Syst Eng Kk インバータ装置
US6002241A (en) * 1998-10-30 1999-12-14 Lucent Technologies Inc. Dual mode split-boost converter and method of operation thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196995A (en) * 1989-12-01 1993-03-23 Zdzislaw Gulczynski 3-terminal bidirectional switching power supply with AC or DC input and AC or DC output
DE19642522C1 (de) * 1996-10-15 1998-04-23 Dietrich Karschny Wechselrichter
DE19732218C1 (de) * 1997-07-26 1999-03-18 Dirk Schekulin Transformatorlose Wechselrichter-Schaltungsanordnung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HASHIMOTO O ET AL: "A novel high performance utility interactive photovoltaic inverter system", INDUSTRY APPLICATIONS CONFERENCE, 2000. CONFERENCE RECORD OF THE 2000 IEEE 8-12 OCTOBER 2000, PISCATAWAY, NJ, USA,IEEE, vol. 4, 8 October 2000 (2000-10-08), pages 2255 - 2260, XP010522571, ISBN: 0-7803-6401-5 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008098812A1 (fr) * 2007-02-16 2008-08-21 Siemens Ag Österreich Onduleur
EP2128972A2 (fr) * 2008-05-27 2009-12-02 General Electric Company Inverseur photovoltaïque multi-source haute efficacité
EP2128972A3 (fr) * 2008-05-27 2015-07-29 General Electric Company Inverseur photovoltaïque multi-source haute efficacité
CN102035418A (zh) * 2009-10-01 2011-04-27 约翰尼斯海登海恩博士股份有限公司 运行逆变器的方法和逆变器
EP2325993A3 (fr) * 2009-10-01 2012-02-22 Dr. Johannes Heidenhain GmbH Procédé destiné au fonctionnement d'un onduleur et onduleur
US8472222B2 (en) 2009-10-01 2013-06-25 Dr. Johannes Heidenhain Gmbh Method for operating an inverter, and inverter
CN102035418B (zh) * 2009-10-01 2015-05-13 约翰内斯﹒海德汉博士有限公司 运行逆变器的方法和逆变器

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Publication number Publication date
EP1792388A1 (fr) 2007-06-06
AT500919A1 (de) 2006-04-15
AT500919B1 (de) 2009-04-15

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