EP1504520A1 - Montage pour alimenter l'electronique de commande de machines electriques - Google Patents

Montage pour alimenter l'electronique de commande de machines electriques

Info

Publication number
EP1504520A1
EP1504520A1 EP03704274A EP03704274A EP1504520A1 EP 1504520 A1 EP1504520 A1 EP 1504520A1 EP 03704274 A EP03704274 A EP 03704274A EP 03704274 A EP03704274 A EP 03704274A EP 1504520 A1 EP1504520 A1 EP 1504520A1
Authority
EP
European Patent Office
Prior art keywords
supplying
control electronics
circuit arrangement
machines according
electrical machines
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.)
Withdrawn
Application number
EP03704274A
Other languages
German (de)
English (en)
Inventor
Klaus Beulich
Michael Pesch
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1504520A1 publication Critical patent/EP1504520A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/006—Means for protecting the generator by using control
    • 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
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
    • H02P9/26—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices
    • H02P9/30—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices

Definitions

  • the invention relates to a circuit arrangement for supplying the control electronics of electrical machines according to the preamble of the main claim and relates in particular to supply circuits for starter generators in motor vehicles, which also function in battery-free operation.
  • Such starter generators are, for example, flywheel starter generators or crankshaft starter generators, which are directly connected to the crankshaft of the engine.
  • the starter generators used are three-phase machines that can be connected to the vehicle battery via power electronics that include a controlled rectifier bridge, in particular a pulse converter with a pulse inverter bridge.
  • the pulse inverters are controlled with the aid of control electronics.
  • the electrical machine is, for example, a permanently excited synchronous machine
  • a voltage is generated when the machine is rotating, regardless of whether the electronics are activated or not.
  • this can lead to the permitted voltage being exceeded and there is a risk that the electronics of the starter generator and the on-board electrical system electronics can be destroyed.
  • a vehicle electrical system with a starter generator and a method for controlling such a starter generator, which can be connected to the vehicle battery via a pulse inverter bridge, is described for example in DE 197 33 212 AI.
  • the pulse inverter elements of the converter bridge are controlled in a suitable manner with the aid of control electronics in such a way that optimal generator control takes place in generator operation and thus a maximum of electrical power is generated.
  • a suitable control of the pulse inverter elements ensures that the electrical machine is electrical when it starts
  • the object of the invention is therefore to ensure the supply of the electronics of an electrical machine, in particular a starter generator, in battery-free operation and short-circuited, rotating machine. This object is achieved with the aid of the circuit arrangement specified in claim 1.
  • the circuit arrangement according to the invention for supplying the control electronics of electrical machines, in particular for starter generators with the features of claim 1, has the advantage that the voltage supply for the control electronics is also ensured in battery-free operation and with a short-circuited, rotating machine.
  • This advantage is achieved by using a passive transformer circuit which is fed with the phase current of the electrical machine.
  • This passive transformer circuit also has the special advantages of a low circuitry and requires only a few components.
  • Figure 1 shows an electrical machine with a controlled
  • Figure 2 shows a circuit arrangement according to the invention
  • a voltage supply circuit for an electrical machine 10 is shown roughly schematically in FIG. 1, in which a direct voltage is supplied to the electrical machine 10 via a switchable bridge 11.
  • the switchable bridge comprises three high-side switching elements 12, 13, 14 and three low-side switching elements 15, 16, 17, for example field effect transistors (MOSFETs) or corresponding pulse inverter elements etc. and carries a voltage U of, for example, on the far side 42 volts.
  • the electrical machine 10 is connected to the controlled rectifier bridge in a conventional manner.
  • the Windings of the electrical machine 10 are not shown in FIG. 1.
  • the switching elements of the rectifier bridge are controlled in a suitable manner with the aid of control electronics 18.
  • the voltage supply for the control electronics 18 takes place in normal operation from the battery 19, if necessary via suitable voltage converters.
  • the low-side switching elements 15, 1.6, 17 are controlled (short-circuited) in such a way that they establish a conductive connection to ground. So that such control is possible, a voltage must be present at the gate of the low-side switch, which according to the invention is formed from the phase current of the electrical machine when the battery is missing.
  • This voltage is referred to as auxiliary voltage VH and is supplied to the switching elements 15, 16, 17 instead of the control voltage VS normally supplied by the control electronics 18.
  • the electrical machine 10 comprises three phase windings 22, 23, 24 and is connected to an output stage 21 via this transformer circuit 20.
  • the output stage 21 corresponds, for example, to the controlled bridge 11 according to FIG. 1, but only the two transistors T1 and T2 are shown for a phase winding of the electrical machine.
  • connection point between the two transistors T1 and T2 that is to say the phase connection Ph, is connected via the transformer U to the corresponding phase winding, for example the phase winding 23 of the electrical machine 10.
  • the transformer circuit 20 includes in addition to the galvanically isolated transformer Ü with the primary winding P and the secondary winding S also a diode D, a capacitor C and a transistor T3 and a linear regulator L.
  • the low side switch 15, 16 are, the transistor T2 driven 17 of Figure 1 or of Figure 2 so ', that is supplied with voltage, that the gate of the respective transistor, a voltage is applied.
  • the transistor in question is then in the conductive state.
  • An almost sinusoidal current IP flows over the primary side of the transformer Ü.
  • a corresponding AC voltage is thereby induced in the secondary side of the transformer Ü.
  • This AC voltage is rectified via the diode D and the capacitor C. The rectified
  • Voltage is supplied to the linear regulator L, of 'the voltage stabilized, and supplies the stabilized auxiliary voltage VH at its output.
  • the transformer circuit 20 can be switched off when it is not required, provided there are corresponding predeterminable requirements, and therefore no quiescent current flows.
  • the transformer U can, for example, be designed as a ring core RK.
  • the phase current IP of the primary side is then passed through the center hole of the ring core RK.
  • the windings W of the secondary side S are wound around the ring core RK.
  • FIG. 3 shows a possible embodiment of the transformer U.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
  • Inverter Devices (AREA)
  • Dc-Dc Converters (AREA)

Abstract

La présente invention concerne un montage pour alimenter l'électronique de commande d'une machine électrique (10), ledit montage comprenant un circuit de transmission passif (20) qui est alimenté avec un courant de phase (IP) de la machine électrique (10) et produit une tension secondaire (VH) qui est utilisée pour alimenter l'étage terminal de la machine électrique tant qu'aucune batterie n'est présente ou que la batterie est défectueuse ou déchargée.
EP03704274A 2002-05-03 2003-01-31 Montage pour alimenter l'electronique de commande de machines electriques Withdrawn EP1504520A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10219820 2002-05-03
DE10219820A DE10219820A1 (de) 2002-05-03 2002-05-03 Schaltungsanordnung zur Versorgung der Steuerelektronik bei elektrischen Maschinen
PCT/DE2003/000271 WO2003094336A1 (fr) 2002-05-03 2003-01-31 Montage pour alimenter l'electronique de commande de machines electriques

Publications (1)

Publication Number Publication Date
EP1504520A1 true EP1504520A1 (fr) 2005-02-09

Family

ID=29225023

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03704274A Withdrawn EP1504520A1 (fr) 2002-05-03 2003-01-31 Montage pour alimenter l'electronique de commande de machines electriques

Country Status (5)

Country Link
US (1) US7256560B2 (fr)
EP (1) EP1504520A1 (fr)
JP (1) JP4327713B2 (fr)
DE (1) DE10219820A1 (fr)
WO (1) WO2003094336A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005060859B4 (de) * 2005-12-20 2025-06-26 Robert Bosch Gmbh Verfahren und Vorrichtung zur Ansteuerung eines Elektromotors
US20080124667A1 (en) 2006-10-18 2008-05-29 Honeywell International Inc. Gas pressure control for warm air furnaces
US7629761B2 (en) * 2007-07-13 2009-12-08 Xerox Corporation System for measuring current in multiple motor coils using a single sensing element
EP2260572B1 (fr) 2008-03-31 2017-08-02 Siemens Aktiengesellschaft Commutateur compact pour consommateur électrique
JP2013121256A (ja) * 2011-12-07 2013-06-17 Toyota Motor Corp 電力変換装置
US8975952B2 (en) 2012-11-13 2015-03-10 Honeywell International Inc. CMOS logic circuit using passive internal body tie bias
DE102016210238A1 (de) * 2016-06-09 2017-12-14 Volkswagen Aktiengesellschaft Verfahren und Schutzvorrichtung zur Drehmomentbegrenzung für eine elektrische Maschine
JP7387531B2 (ja) * 2020-05-29 2023-11-28 株式会社Subaru 電動車両

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US4445167A (en) * 1981-10-05 1984-04-24 Tokyo Shibaura Denki Kabushiki Kaisha Inverter system
JPS6351294A (ja) * 1986-08-21 1988-03-04 川崎製鉄株式会社 揚荷設備における吊荷着地検出方法
US4742441A (en) * 1986-11-21 1988-05-03 Heart Interface Corporation High frequency switching power converter
JPH04359892A (ja) * 1991-06-04 1992-12-14 Sanyo Electric Co Ltd 電子レンジ用電源装置
DE4307291C1 (de) * 1993-03-09 1993-11-11 Fraunhofer Ges Forschung Verfahren und Vorrichtung zur Reduzierung des Einschaltstromstoßes beim Betreiben einer Drehstromlast
GB9500969D0 (en) * 1995-01-18 1995-03-08 Magnum Power Solutions Ltd Uninterruptible power supplies
DE19733212A1 (de) 1997-08-01 1999-02-04 Bosch Gmbh Robert Verfahren zur Regelung eines von einer Brennkraftmaschine antreibbaren Generators
US6094017A (en) * 1997-12-02 2000-07-25 Power Circuit Innovations, Inc. Dimming ballast and drive method for a metal halide lamp using a frequency controlled loosely coupled transformer
US6040561A (en) * 1999-06-30 2000-03-21 General Motors Corporation High voltage bus and auxiliary heater control system for an electric or hybrid vehicle
US6420842B1 (en) * 2000-01-11 2002-07-16 American Superconductor Corporation Exciter and electronic regulator for rotating machinery
JP2001218476A (ja) * 2000-02-04 2001-08-10 Tsubakimoto Chain Co 電動機の制御装置
JP4258692B2 (ja) * 2000-02-10 2009-04-30 株式会社デンソー 自動車用電源装置
US6208540B1 (en) * 2000-05-23 2001-03-27 General Motors Corporation Combined power inverter and auxilliary power supply using null vector modulation
JP3770532B2 (ja) 2000-06-06 2006-04-26 デンヨー株式会社 系統連系用エンジン駆動発電機の制御電源補償装置
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JP4617609B2 (ja) * 2000-11-16 2011-01-26 トヨタ自動車株式会社 機関駆動式発電装置
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See references of WO03094336A1 *

Also Published As

Publication number Publication date
JP4327713B2 (ja) 2009-09-09
JP2005525070A (ja) 2005-08-18
US20050264246A1 (en) 2005-12-01
WO2003094336A1 (fr) 2003-11-13
US7256560B2 (en) 2007-08-14
DE10219820A1 (de) 2003-11-13

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