EP1592028A2 - Flüssigkeitskühlung für Eisenkern und Wicklungspakete - Google Patents
Flüssigkeitskühlung für Eisenkern und Wicklungspakete Download PDFInfo
- 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
Links
Images
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)
Abstract
Description
- 1.0
- Wicklungspaket
- 11
- Eisenkern
- 12
- Absorber
- 13
- Kühlkanal
- 13a
- 90°-Bogen
- 13b
- 180° - Bogen
- 13c
- Anschlussstutzen
- 13d
- Gerade Leitung
- 14
- Wärmetauscher
Claims (6)
- Netzdrossel oder Transformator mit Eisenkern (11), Wicklungen (10) und Kühlvorrichtung (12, 13, 14), wobei die Kühlvorrichtung (12, 13, 14) einen Wärmetauscher (14) mit Wärmeabsorber (12) und eine mit dem Wärmeabsorber (12) in Wirkverbindung stehende Kühlfluidführung (13) umfasst, und der Eisenkern (11) mit dem Wärmeabsorber (12) in Wirkverbindung steht, so dass die vom Eisenkern (11) emittierte Wärme abgeführt wird.
- Vorrichtung nach Anspruch 1, wobei der Wärmeabsorber (12) eine Leitplatte ist, vorzugsweise eine metallische Platte, insbesondere aus Kupfer hergestellt.
- Vorrichtung nach Anspruch 1 oder 2, wobei die Kühlfluidführung (13) vorzugsweise mittels eines Kanals realisiert ist, wobei der Kanal als säulenförmiger Hohlkörper ausgebildet ist.
- Vorrichtung nach Anspruch 3, wobei der Kanal zumindest im Bereich der Wirkverbindung mit dem Absorber (12) einen eckig oder abgerundeten Querschnitt aufweist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die Kühlfluidführung (13) zumindest im Bereich der Wirkverbindung auf der Wärmeabsorberoberfläche mäanderförmig, spiralförmige oder U-förmig verläuft.
- Vorrichtung nach einem der vorhergehenden Ansprüche, wobei zur Kühlung wenigstens eines Körpers (11) mehrere Wärmetauscher (14) in Reihe und/oder parallel geschaltet sind.
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 (de) | 2005-11-02 |
| EP1592028A3 EP1592028A3 (de) | 2007-03-07 |
| EP1592028B1 EP1592028B1 (de) | 2009-12-09 |
Family
ID=34934250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05005490A Expired - Lifetime EP1592028B1 (de) | 2004-04-29 | 2005-03-14 | Flüssigkeitskühlung für Eisenkern und Wicklungspakete |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7227754B2 (de) |
| EP (1) | EP1592028B1 (de) |
| JP (1) | JP2005317982A (de) |
| AT (1) | ATE451704T1 (de) |
| DE (2) | DE102004021107A1 (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1641003A3 (de) * | 2004-09-01 | 2006-07-12 | Rockwell Automation Technologies, Inc. | Kühlung eines Spulenkerns für ein elektrisches Bauelement |
| WO2009143643A1 (de) * | 2008-05-27 | 2009-12-03 | Ids Holding Ag | Wassergekühlte drossel |
| DE102011007334A1 (de) * | 2011-04-13 | 2012-10-18 | Karl E. Brinkmann GmbH | Flüssigkeitsgekühlte induktive Komponente |
| WO2015144177A1 (en) * | 2014-03-25 | 2015-10-01 | Vestas Wind Systems A/S | Liquid-cooled electrical apparatus |
| EP2850724A4 (de) * | 2012-05-17 | 2015-11-25 | Elwha Llc | Elektrische vorrichtung mit einem notkühlsystem |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (en) * | 2008-02-22 | 2009-08-27 | Crompton Greaves Limited | Improved compact dry transformer |
| US20100277869A1 (en) * | 2009-09-24 | 2010-11-04 | General Electric Company | Systems, Methods, and Apparatus for Cooling a Power Conversion System |
| WO2011038184A1 (en) * | 2009-09-24 | 2011-03-31 | Parker Hannifin Corporation | Embedded cooling of wound electrical components |
| 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 (de) * | 2019-08-14 | 2022-03-23 | Hitachi Energy Switzerland AG | Flüssigkeitsfreier eingetauchter transformator |
| 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 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1851184A (en) * | 1928-11-09 | 1932-03-29 | Metropolitan Eng Co | Transformer |
| 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 |
| KR100716681B1 (ko) * | 1999-11-17 | 2007-05-09 | 트렉스코, 엘엘씨 | 파워 트랜스포머 냉각장치 및 냉각방법 |
| 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 |
-
2004
- 2004-04-29 DE DE102004021107A patent/DE102004021107A1/de not_active Withdrawn
-
2005
- 2005-03-14 EP EP05005490A patent/EP1592028B1/de not_active Expired - Lifetime
- 2005-03-14 AT AT05005490T patent/ATE451704T1/de not_active IP Right Cessation
- 2005-03-14 DE DE502005008660T patent/DE502005008660D1/de not_active Expired - Lifetime
- 2005-04-26 US US11/114,579 patent/US7227754B2/en not_active Expired - Fee Related
- 2005-05-02 JP JP2005134455A patent/JP2005317982A/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1641003A3 (de) * | 2004-09-01 | 2006-07-12 | Rockwell Automation Technologies, Inc. | Kühlung eines Spulenkerns für ein elektrisches Bauelement |
| US7129808B2 (en) | 2004-09-01 | 2006-10-31 | Rockwell Automation Technologies, Inc. | Core cooling for electrical components |
| WO2009143643A1 (de) * | 2008-05-27 | 2009-12-03 | Ids Holding Ag | Wassergekühlte drossel |
| 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 (de) * | 2012-05-17 | 2015-11-25 | Elwha Llc | Elektrische vorrichtung mit einem notkühlsystem |
| WO2015144177A1 (en) * | 2014-03-25 | 2015-10-01 | Vestas Wind Systems A/S | Liquid-cooled electrical apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005317982A (ja) | 2005-11-10 |
| DE502005008660D1 (de) | 2010-01-21 |
| EP1592028A3 (de) | 2007-03-07 |
| ATE451704T1 (de) | 2009-12-15 |
| DE102004021107A1 (de) | 2005-11-24 |
| EP1592028B1 (de) | 2009-12-09 |
| US20050243502A1 (en) | 2005-11-03 |
| US7227754B2 (en) | 2007-06-05 |
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