EP1592028A2 - Système de refroidissement à liquide pour noyau de fer et enroulements - Google Patents

Système de refroidissement à liquide pour noyau de fer et enroulements Download PDF

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Publication number
EP1592028A2
EP1592028A2 EP05005490A EP05005490A EP1592028A2 EP 1592028 A2 EP1592028 A2 EP 1592028A2 EP 05005490 A EP05005490 A EP 05005490A EP 05005490 A EP05005490 A EP 05005490A EP 1592028 A2 EP1592028 A2 EP 1592028A2
Authority
EP
European Patent Office
Prior art keywords
heat
cooling
iron core
absorber
cooling fluid
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.)
Granted
Application number
EP05005490A
Other languages
German (de)
English (en)
Other versions
EP1592028A3 (fr
EP1592028B1 (fr
Inventor
Bernhard Griesinger
Ronald Kiebler
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.)
Bosch Rexroth AG
Original Assignee
Bosch Rexroth AG
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 Bosch Rexroth AG filed Critical Bosch Rexroth AG
Publication of EP1592028A2 publication Critical patent/EP1592028A2/fr
Publication of EP1592028A3 publication Critical patent/EP1592028A3/fr
Application granted granted Critical
Publication of EP1592028B1 publication Critical patent/EP1592028B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306—Fastening or mounting coils or windings on core, casing or other support

Definitions

  • the invention is concerned with the cooling of chokes and transformers according to Claim 1.
  • the device should as effectively as possible the heat from the surface record and dissipate and at the same time simple and inexpensive to produce, possibly even be retrofitted, be.
  • the invention solves this problem u.a. in that at least one surface of a Body, for example, the iron core of a mains choke or a transformer, is brought into operative connection with a heat exchanger. This is the Heat dissipation guaranteed directly from the surface and is by means of the Heat exchanger, which is flooded by a cooling fluid, continuously dissipated.
  • the Heat exchanger only one heat absorber and one with the heat absorber in Active connection standing cooling fluid guide comprises, so the overall arrangement more or less consists of only two main components. These Two-component arrangement can also later on the surface heat-absorbing components are attached or placed.
  • the cooling can Therefore, be considered as a modular system, which is not to a certain component is bound or in the construction of a component necessarily to be considered.
  • the heat absorber is a guide plate, preferably a metallic one Plate, in particular made of copper.
  • This will be a large area Heat transfer guaranteed, provided the entire surface with the heat radiating Surface of the component component is in operative connection.
  • the cooling fluid guide preferably by means of a channel is realized, wherein the channel is formed as a columnar hollow body and at least in the area of the active compound with the absorber a square or has rounded cross-section.
  • the fluid can then be targeted and independent of the spatial position of the heat exchanger by means of a suitably sized Pressure to be transported to the heat sources.
  • An angular cross section increases the Contact surface between fluid guide and absorber.
  • a round cross section is cheaper to purchase.
  • the invention is suitable for use on at least one iron core and / or a mains choke, in particular the mains choke of a regenerative Inverter (eg converter series SFT from Indramat Refu GmbH with sinusoidal Feedback).
  • Mains chokes have very high currents (around 600 amps) to process and have relatively high inductances (around 180 ⁇ H). Due to the ohmic Resistance of the windings, either from single wires or even out Copper plates or copper bars, these chokes develop one high heat loss. This heat loss can, if it is not dissipated, too Damage to the insulation and cause business interruptions and according to subsequent costs entail.
  • the device according to the invention possibly also Depending on a particular application, attach later or produce these risks and eliminate unnecessary costs.
  • the same benefits would come with transformers or others electrical components, provided the same concept for cooling purposes would be used.
  • Fig. 1 shows a first embodiment of the invention and in detail a Heat exchanger 14 with copper plate 12, a meander-shaped cooling coil 13 with 90 ° bends 13a, 180 ° bows 13b, terminal lugs 13c and straight elements 13d and an iron core 11 and winding packages 10th
  • the line reactor of an inverter shown here comprises three components Copper windings 10 are penetrated by three iron core legs 11. Of the Iron core itself is used for channeling the forming during operation magnetic River. At the two end faces of the arrangement is in each case an inventive Cooling device 14 attached.
  • the copper plate 12 can be seen and the Coolant guide 13, which makes sense from a variety of Single components (13a, 13b, 13c, 13d) is formed.
  • the individual components can soldered or welded together.
  • the coolant guide 13 is meander-shaped soldered or otherwise attached to the copper plate and transports the iron core 11 emitted and absorbed by the heat absorber 12 Heat off. Both heat exchangers 14 could be connected in parallel or in series via a Pump be supplied with liquid coolant.
  • the coolant flows through with a From the pressure and cross section dependent force the cooling system and leads the over the Absorber or the pipe walls 13, 13a, 13b, 13c absorbed heat effectively from.
  • the heat absorber also radiates additional heat over its surface to the environment. By enlarging this surface, e.g. by means of ribs, An additional cooling effect could be effected.
  • FIG. 1 shows with the Fig. 1 largely identical components 10, 11, 12, 13, 13a, 13b.
  • the difference from Figure 1 is that the heat exchanger now not to the End faces of the iron core 11 are mounted, but on the upper and lower sides and partially within the iron core encompassed by the copper coil.
  • the sewer system 13 of the coolant is U-shaped, connecting piece 13c are not shown here.
  • the lines 13 are shown here with a round cross-section, the support surface on Absorber 12 is thereby smaller than in a rectangular cross-section. Therefore would be to favor a rectangular cross section or the line 13 should be at least partially embedded in the absorber surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Coils Of Transformers For General Uses (AREA)
EP05005490A 2004-04-29 2005-03-14 Système de refroidissement à liquide pour noyau de fer et enroulements Expired - Lifetime EP1592028B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004021107 2004-04-29
DE102004021107A DE102004021107A1 (de) 2004-04-29 2004-04-29 Flüssigkeitskühlung für Eisenkern und Wicklungspakete

Publications (3)

Publication Number Publication Date
EP1592028A2 true EP1592028A2 (fr) 2005-11-02
EP1592028A3 EP1592028A3 (fr) 2007-03-07
EP1592028B1 EP1592028B1 (fr) 2009-12-09

Family

ID=34934250

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05005490A Expired - Lifetime EP1592028B1 (fr) 2004-04-29 2005-03-14 Système de refroidissement à liquide pour noyau de fer et enroulements

Country Status (5)

Country Link
US (1) US7227754B2 (fr)
EP (1) EP1592028B1 (fr)
JP (1) JP2005317982A (fr)
AT (1) ATE451704T1 (fr)
DE (2) DE102004021107A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1641003A3 (fr) * 2004-09-01 2006-07-12 Rockwell Automation Technologies, Inc. Refroidissement d'un ensemble de bobines pour un composant électrique
WO2009143643A1 (fr) * 2008-05-27 2009-12-03 Ids Holding Ag Bobine de choc à refroidissement par eau
DE102011007334A1 (de) * 2011-04-13 2012-10-18 Karl E. Brinkmann GmbH Flüssigkeitsgekühlte induktive Komponente
WO2015144177A1 (fr) * 2014-03-25 2015-10-01 Vestas Wind Systems A/S Appareil électrique à refroidissement liquide
EP2850724A4 (fr) * 2012-05-17 2015-11-25 Elwha Llc Dispositif électrique comportant système de refroidissement de secours

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DE102005036299B4 (de) * 2005-08-02 2008-01-24 Siemens Ag Kühlanordnung
JP2008186904A (ja) * 2007-01-29 2008-08-14 Daikin Ind Ltd リアクトルおよび空調機
FI20070160A0 (fi) * 2007-02-26 2007-02-26 Jarkko Salomaeki Kuristinsydän
US7893804B2 (en) * 2007-06-27 2011-02-22 Rockwell Automation Technologies, Inc. Electric coil and core cooling method and apparatus
US8081462B2 (en) 2007-09-13 2011-12-20 Rockwell Automation Technologies, Inc. Modular liquid cooling system
WO2009104197A1 (fr) * 2008-02-22 2009-08-27 Crompton Greaves Limited Transformateur sec et compact amélioré
US20100277869A1 (en) * 2009-09-24 2010-11-04 General Electric Company Systems, Methods, and Apparatus for Cooling a Power Conversion System
WO2011038184A1 (fr) * 2009-09-24 2011-03-31 Parker Hannifin Corporation Refroidissement intégré de composants électriques bobinés
US8081054B2 (en) * 2009-12-10 2011-12-20 Guentert Iii Joseph J Hyper-cooled liquid-filled transformer
US9759446B2 (en) 2010-03-26 2017-09-12 Trane International Inc. Air handling unit with integral inner wall features
US10139115B2 (en) * 2010-03-26 2018-11-27 Trane International Inc. Air handling unit with inner wall space
CN102456475A (zh) * 2010-10-19 2012-05-16 通用电气公司 磁性元件
BR112013021363B1 (pt) 2011-02-24 2020-11-03 Crane Electronics, Inc conversor de energia para emitir tensão de corrente contínua e método para emitir a mesma
US9888568B2 (en) 2012-02-08 2018-02-06 Crane Electronics, Inc. Multilayer electronics assembly and method for embedding electrical circuit components within a three dimensional module
US20160268035A1 (en) * 2014-01-20 2016-09-15 Mitsubishi Electric Corporation Vehicle-mounted transformer
US9831768B2 (en) 2014-07-17 2017-11-28 Crane Electronics, Inc. Dynamic maneuvering configuration for multiple control modes in a unified servo system
US9230726B1 (en) * 2015-02-20 2016-01-05 Crane Electronics, Inc. Transformer-based power converters with 3D printed microchannel heat sink
US9160228B1 (en) 2015-02-26 2015-10-13 Crane Electronics, Inc. Integrated tri-state electromagnetic interference filter and line conditioning module
US9293999B1 (en) 2015-07-17 2016-03-22 Crane Electronics, Inc. Automatic enhanced self-driven synchronous rectification for power converters
US9780635B1 (en) 2016-06-10 2017-10-03 Crane Electronics, Inc. Dynamic sharing average current mode control for active-reset and self-driven synchronous rectification for power converters
TWI620210B (zh) * 2016-08-22 2018-04-01 致茂電子股份有限公司 嵌埋熱傳元件之變壓器
US9735566B1 (en) 2016-12-12 2017-08-15 Crane Electronics, Inc. Proactively operational over-voltage protection circuit
US9742183B1 (en) 2016-12-09 2017-08-22 Crane Electronics, Inc. Proactively operational over-voltage protection circuit
US9979285B1 (en) 2017-10-17 2018-05-22 Crane Electronics, Inc. Radiation tolerant, analog latch peak current mode control for power converters
JP6758522B2 (ja) * 2017-11-08 2020-09-23 三菱電機株式会社 変圧器および電力変換装置
US10425080B1 (en) 2018-11-06 2019-09-24 Crane Electronics, Inc. Magnetic peak current mode control for radiation tolerant active driven synchronous power converters
EP3780034B1 (fr) * 2019-08-14 2022-03-23 Hitachi Energy Switzerland AG Transformateur immergé non liquide
CN115380342A (zh) * 2020-03-31 2022-11-22 通用电气公司 用于高功率密度(hpd)变压器的液体/流体冷却系统

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JPS5826500Y2 (ja) * 1977-07-07 1983-06-08 三菱電機株式会社 液冷却巻鉄心
DE3404457A1 (de) * 1984-02-08 1985-08-08 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur kuehlung eines magnetsystems
JPH07297043A (ja) * 1994-04-22 1995-11-10 Hitachi Ltd 電気車の充電用変圧器
JPH07335447A (ja) * 1994-06-14 1995-12-22 Shimada Phys & Chem Ind Co Ltd 変成器
DE19701269A1 (de) * 1997-01-16 1998-07-23 Ask Antriebs Steuerungs Und In Transformator mit Flüssigkeitskühlung
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MXPA02008260A (es) * 2000-02-24 2002-11-29 Unifin International Inc Sistema y metodo para enfriar transformadores.
TW465165B (en) * 2000-03-03 2001-11-21 Hiwin Mikrosystem Corp A motor with heat pipe
US6563410B1 (en) * 2000-11-16 2003-05-13 Louis L. Marton Small footprint power transformer incorporating improved heat dissipation means
JP2002353035A (ja) * 2001-05-23 2002-12-06 Nissin Electric Co Ltd 電気機器
JP2003188021A (ja) * 2001-12-17 2003-07-04 Toshiba Corp 電気機器の外部冷却装置
AU2003203619A1 (en) * 2002-04-23 2003-11-06 Puretec Co., Ltd Method and device for cooling high voltage transformer for microwave oven

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1641003A3 (fr) * 2004-09-01 2006-07-12 Rockwell Automation Technologies, Inc. Refroidissement d'un ensemble de bobines pour un composant électrique
US7129808B2 (en) 2004-09-01 2006-10-31 Rockwell Automation Technologies, Inc. Core cooling for electrical components
WO2009143643A1 (fr) * 2008-05-27 2009-12-03 Ids Holding Ag Bobine de choc à refroidissement par eau
CN102047357B (zh) * 2008-05-27 2012-12-26 伍德沃德Ids瑞士股份有限公司 水冷式扼流圈
US8462506B2 (en) 2008-05-27 2013-06-11 Woodward Ids Switzerland Ag Water-cooled reactor
DE102011007334A1 (de) * 2011-04-13 2012-10-18 Karl E. Brinkmann GmbH Flüssigkeitsgekühlte induktive Komponente
EP2850724A4 (fr) * 2012-05-17 2015-11-25 Elwha Llc Dispositif électrique comportant système de refroidissement de secours
WO2015144177A1 (fr) * 2014-03-25 2015-10-01 Vestas Wind Systems A/S Appareil électrique à refroidissement liquide

Also Published As

Publication number Publication date
JP2005317982A (ja) 2005-11-10
DE502005008660D1 (de) 2010-01-21
EP1592028A3 (fr) 2007-03-07
ATE451704T1 (de) 2009-12-15
DE102004021107A1 (de) 2005-11-24
EP1592028B1 (fr) 2009-12-09
US20050243502A1 (en) 2005-11-03
US7227754B2 (en) 2007-06-05

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