EP2270821B1 - Eolienne dotée d'un onduleur et d'au moins une résistance haute tension - Google Patents

Eolienne dotée d'un onduleur et d'au moins une résistance haute tension Download PDF

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Publication number
EP2270821B1
EP2270821B1 EP10185934.6A EP10185934A EP2270821B1 EP 2270821 B1 EP2270821 B1 EP 2270821B1 EP 10185934 A EP10185934 A EP 10185934A EP 2270821 B1 EP2270821 B1 EP 2270821B1
Authority
EP
European Patent Office
Prior art keywords
resistor
connection
wind power
power installation
performance
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.)
Active
Application number
EP10185934.6A
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German (de)
English (en)
Other versions
EP2270821A3 (fr
EP2270821A2 (fr
Inventor
Aloys Wobben
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.)
Wobben Properties GmbH
Original Assignee
Wobben Properties 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 Wobben Properties GmbH filed Critical Wobben Properties GmbH
Priority to PL10185934T priority Critical patent/PL2270821T3/pl
Priority to SI200531815T priority patent/SI2270821T1/sl
Publication of EP2270821A2 publication Critical patent/EP2270821A2/fr
Publication of EP2270821A3 publication Critical patent/EP2270821A3/fr
Application granted granted Critical
Publication of EP2270821B1 publication Critical patent/EP2270821B1/fr
Priority to CY20141100059T priority patent/CY1114779T1/el
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/16—Resistor networks not otherwise provided for
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
    • H01C3/10—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration

Definitions

  • the present invention relates to a wind turbine with an inverter and at least one high-power resistor.
  • Fig. 5 simplified and in Fig. 6 shown in sections
  • different connections are provided depending on the placement of a resistor element within the resistor.
  • the two outer elements one of which is in Fig. 6 can be seen, have a straight connection and a once folded, substantially rectangular bent connection.
  • the remaining resistance elements have two connection lugs, each bent once at right angles, but which are bent in opposite directions.
  • a starting and an end element 12, 13 and a predeterminable number of right and left intermediate elements 10, 11. While the intermediate elements 10, 11 are formed with two connections bent in opposite directions, the starting and ending elements Element 12, 13 each have a straight terminal for connection to a circuit, and a right-angled terminal for connection with an adjacent resistance element. Depending on the installation situation, the bent connection is bent to the left or to the right.
  • adjacent resistance elements are connected to each other at the right angles bent terminals, resulting from the length of the bent portion of the distance of the adjacent resistance elements to each other. Therefore compete as compact a design (without taking into account thermal aspects) and a montage friendly arrangement of the resistance elements together.
  • the distance between adjacent resistance elements in the interest of a compact design should be as low as possible, but on the other hand, a larger distance between adjacent resistance elements is easier to install than a smaller one.
  • DE 10 206 828 shows a wind turbine with a converter and a load resistor.
  • US 5,159,310 shows a special load resistance.
  • US 2,647,978 shows a high-power resistor with a plurality of electrically connected in series resistive elements.
  • the resistance elements are connected to each other via rods.
  • a connection is provided, wherein the connection is configured at right angles to the resistance element.
  • a connecting piece is attached in each case, wherein resistance elements are connected to each other by means of the connecting pieces via the rods.
  • US 2,662,958 also shows a high power resistor having a plurality of resistive elements electrically connected in series.
  • the resistance elements have at their two ends in each case terminals for connecting the resistor elements.
  • the object of the invention is to provide a compact and easy to install high performance resistor.
  • a wind turbine with a converter and at least one high-power resistor having a plurality of electrically connected in series resistive elements each having a first and a second side and a first and second end is provided, wherein at the first end a first terminal and at the second end a second terminal is provided for connecting the resistor elements, characterized in that the first and second terminal having an inner portion and an outer portion, wherein the inner portion of the first terminal in a predetermined angle with respect to the first side of the resistance element is bent and the outer portion of the first terminal lies in a plane which is substantially parallel to the plane of the resistance element, and wherein the inner portion of the second terminal at a predetermined angle relative to the second side of the resistance element is bent and the outer portion of the second terminal lies in a plane which is substantially parallel to the plane of the resistive element and wherein the high-power resistor is disposed in the vicinity of the inverter.
  • the invention is based on the recognition that in the embodiment according to the invention, the distance between the terminals on one side of the resistance elements and thus the space available during assembly between adjacent terminals is doubled to twice the plate spacing.
  • the assembly at the same distance of the resistive elements and thus the same size of the high-power resistor is greatly facilitated.
  • the connections are offset by a predetermined amount on both sides with respect to the longitudinal axis of the resistance element.
  • a high-performance resistor according to the invention can be constructed from similar standard resistance elements by suitable arrangement of the individual resistance elements.
  • a high-performance resistor which can be advantageously used as a load resistor (dump load) in power generators, in particular wind turbines.
  • a load resistor dump load
  • several high-power resistors can be arranged in cabinets or other suitable racks, so as to achieve a dimensioning for a sufficiently large allowable power loss.
  • Fig. 1 shows a perspective view of a first embodiment of a high-performance resistor according to the invention.
  • This high-performance resistor consists of first resistance elements 10 and second resistance elements 11, which are arranged alternately one behind the other.
  • the design of the high-power resistor shown in this figure is achieved by the resistance elements 10, 11 are threaded onto holder 20, which are designed here as a threaded rod.
  • spacers 21 are provided. These spacers 21 are made of an insulating material and at the same time isolate the resistive elements 10, 11 from the holder 20. This can be done in a known manner by z. B. a short extension of a spacer with a smaller outer diameter than the visible in the Fig.
  • each of the resistive elements 10, 11 engages and thus the resistance element on the (not shown) extension of the spacer 21 rests all around and thus is isolated from the holder 20.
  • the isolation can also be done by one or more patch on the holder, suitable sleeves.
  • the first and second resistance elements 10, 11 are configured in such a way that they each have a connection 16a, 16b at their two ends, wherein one of the connections 16a is bent towards the one side 10a and the other connection 16b is bent towards the other side 10b.
  • the terminals 16a, 16b have an inner and an outer portion.
  • the inner portion is bent in each case toward a first or second side of the resistance element, and the outer portion is then configured again substantially parallel to the respective resistance element. Due to the parallel configuration of the outer portion of the terminals 16a, 16b mounting of the respective resistive elements is substantially simplified.
  • Fig. 2 is a plan view of a high-performance resistor according to the invention shown.
  • first resistance elements 10 and second resistance elements 11 are alternately arranged and mechanically connected to one another by means of holders 20 and spacers 21.
  • the adjacent resistance elements 10, 11 are connected to each other facing terminals 16 by screws. In this way, electrically results in a series connection of the individual resistance elements 10, 11.
  • the two outer resistance elements have on their right in the Fig. Right side each have a free terminal 16, to which they can be connected to the electrical leads.
  • Fig. 3 shows a further embodiment of a resistor element according to the invention.
  • This resistor element 10 differs from that of the first embodiment by the arrangement of the terminals 16. These terminals 16 are offset by a predetermined amount d1, d2 relative to the marked longitudinal axis 25 of the resistance element 10, ie a connection is above the longitudinal axis and one is below the Longitudinal axis arranged.
  • the further structure substantially corresponds to the structure in the previous embodiment.
  • holder 20 and spacers 21 are provided.
  • adjacent resistance elements are also connected to each other in this embodiment for establishing an electrical connection to the terminals 16 by screws. It can clearly be seen in this figure, however, that the connection 16 is located above the holder 20 in the left-hand area of the FIGURE, while the connection 16 is located in the FIG right portion of Fig. An equal dimension below the corresponding holder 20 is located.
  • Fig. 4 shows a side view of a high power resistor of this second embodiment of the present invention.
  • the spacers 21 which together with the holder 20, the mechanical connection of the resistive elements 10 with each other.
  • the electrical connections are in turn made by screw connections to the terminals 16, the terminals 16 being free at the two outer resistance elements in order to allow the connection of electrical lines.
  • the decisive difference compared to the first embodiment is that only a single resistance element 10 is needed here in order to build up a resistor according to the invention. This results from the staggered arrangement of the terminals 16 with respect to the center line of the resistor element 10. This staggered arrangement makes it possible to connect the resistor elements by a suitably oriented arrangement according to the invention to a high-power resistor.
  • the resistance elements preferably all have the same or identical construction.
  • the high-power resistor described above can be advantageously arranged as a load resistor in the cabinets of the power electronics of a wind turbine or in a separate rack in a wind turbine to be used as a dump load.
  • the dimensioning of the high-power resistors is carried out in such a way that a sufficiently large allowable power loss can be achieved.
  • the power generated by the electric generator of the wind turbine can not be delivered to a network or should not be delivered, this electrical power is dissipated in whole or in part via the high-power resistor.
  • a fast power control can be done. Since such a power control is an electrical regulation, an adjustment of the pitch angle of the rotor blades of the wind energy plant is initially not absolutely necessary.
  • the high-power resistor or a plurality of high-power resistors is preferably arranged in the vicinity of the inverter of the wind turbine.
  • Embodiment 1 High power resistor comprising a plurality of electrically series connected resistive elements 10, 11 each having first and second sides 10a, 10b; 11a, 11b and first and second ends 10c, 10d; 11c, 11d, wherein at the first end 10c, 11c, a first terminal 16a and at the second end 10d; 11d, a second terminal 16b is provided for connecting resistor elements 10, 11, characterized in that the first and second terminals 16a, 16b each have an inner portion and an outer portion, wherein the inner portion of the first terminal 16a is bent at a predetermined angle with respect to the first side 10a, 11a of the resistive element 10, 11 and the outer portion of the first terminal 16a lies in a plane substantially parallel to the plane of the resistive element 10, 11 lies, and wherein the inner portion of the second terminal 16b is bent at a predetermined angle with respect to the second side 10b, 11b of the resistive element 10, 11 and the outer portion of the second terminal 16b lies in a plane substantially parallel to the plane of the
  • Embodiment 2 High-power resistor according to embodiment 1, characterized in that the first terminal 16a is offset a first predetermined dimension d1 with respect to the longitudinal axis 25 of the resistive element 10, 11 and the second terminal 16a is displaced a second predetermined amount d2 with respect to the longitudinal axis 25 of the resistive element 10, 11 ,
  • Embodiment 3 Use of at least one high-power resistor according to one of the preceding embodiments as a load resistance for a wind energy plant.
  • Embodiment 4 Wind turbine with at least one high-power resistor according to one of the embodiments 1-2.
  • Embodiment 5 A wind turbine according to Embodiment 4, wherein the at least one high-power resistor is used as a load resistor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Resistors (AREA)
  • Wind Motors (AREA)
  • Inverter Devices (AREA)
  • Non-Adjustable Resistors (AREA)
  • Power Conversion In General (AREA)

Claims (5)

  1. Eolienne dotée d'un onduleur et d'au moins une résistance haute performance comprenant plusieurs éléments de résistance (10, 11) montés électriquement en série, lesdits éléments comprenant respectivement une première face et une seconde face (10a, 10b ; 11a, 11b) et une première et une seconde extrémité (10c, 10d ; 11c, 11d), un premier raccord (16a) étant disposé à la première extrémité (10c, 11c) et un second raccord (16b) étant disposé à la seconde extrémité (10d ; 11d) pour raccorder les éléments de résistance (10, 11), caractérisée en ce que le premier et le second raccords (16a, 16b) comportent respectivement une partie intérieure et une partie extérieure,
    la partie intérieure du premier raccord (16a) étant fléchie en formant un angle prédéterminé par rapport à la première face (10a, 11a) de l'élément de résistance (10, 11) et la partie extérieure du premier raccord (16a) se situant dans un plan sensiblement parallèle au plan de l'élément de résistance (10, 11), et
    la partie intérieure du second raccord (16b) étant fléchie en formant un angle prédéterminé par rapport à la seconde face (10b, 11b) de l'élément de résistance (10, 11) et la partie extérieure du second raccord (16b) se situant dans un plan sensiblement parallèle au plan de l'élément de résistance (10, 11), et la résistance haute performance étant disposée à proximité de l'onduleur,
    le premier raccord (16a) étant décalé d'une première mesure prédéterminée (d1) par rapport à l'axe longitudinal (25) de l'élément de résistance (10, 11) et le second raccord (16a) étant décalé d'une seconde mesure prédéterminée (d2) par rapport à l'axe longitudinal (25) de l'élément de résistance (10, 11),
    la première mesure (d1) correspondant à la seconde mesure (d2) et les premier et second raccords étant décalés dans la direction opposée à l'axe longitudinal.
  2. Eolienne selon la revendication 1,
    caractérisée en ce que l'éolienne comporte un générateur électrique et en ce que, lorsque la puissance produite par le générateur électrique de l'éolienne ne peut être délivrée ou ne doit pas être délivrée à un réseau, cette puissance électrique est entièrement ou partiellement évacuée par l'intermédiaire de la résistance haute performance.
  3. Eolienne selon la revendication 2,
    caractérisée en ce que l'évacuation de la puissance électrique par l'intermédiaire de la résistance haute performance fournit une régulation électrique ne rendant pas nécessaire un réglage de l'angle de pas des pales du rotor de l'éolienne.
  4. Eolienne selon l'une quelconque des revendications précédentes,
    caractérisée en ce que l'au moins une résistance haute performance est utilisée comme une résistance de charge.
  5. Eolienne selon l'une quelconque des revendications précédentes,
    caractérisée en ce que plusieurs résistances haute performance sont disposées dans des armoires ou d'autres structures appropriées.
EP10185934.6A 2004-07-09 2005-07-08 Eolienne dotée d'un onduleur et d'au moins une résistance haute tension Active EP2270821B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL10185934T PL2270821T3 (pl) 2004-07-09 2005-07-08 Turbina wiatrowa z przetwornicą i co najmniej jednym rezystorem dużej mocy
SI200531815T SI2270821T1 (sl) 2004-07-09 2005-07-08 Postrojenje na vetrno energijo s pretvornikom in vsaj enim močnostnim uporom
CY20141100059T CY1114779T1 (el) 2004-07-09 2014-01-24 Εγκατασταση αιολικης ενεργειας με εναν αναστροφεα και τουλαχιστον εναν αντιστατη υψηλης αποδοσης

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004033680A DE102004033680B4 (de) 2004-07-09 2004-07-09 Lastwiderstand
EP05770177.3A EP1769514B1 (fr) 2004-07-09 2005-07-08 Resistance de charge a performances elevees

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP05770177.3A Division-Into EP1769514B1 (fr) 2004-07-09 2005-07-08 Resistance de charge a performances elevees
EP05770177.3 Division 2005-07-08

Publications (3)

Publication Number Publication Date
EP2270821A2 EP2270821A2 (fr) 2011-01-05
EP2270821A3 EP2270821A3 (fr) 2012-08-15
EP2270821B1 true EP2270821B1 (fr) 2013-11-27

Family

ID=35004357

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05770177.3A Active EP1769514B1 (fr) 2004-07-09 2005-07-08 Resistance de charge a performances elevees
EP10185934.6A Active EP2270821B1 (fr) 2004-07-09 2005-07-08 Eolienne dotée d'un onduleur et d'au moins une résistance haute tension

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP05770177.3A Active EP1769514B1 (fr) 2004-07-09 2005-07-08 Resistance de charge a performances elevees

Country Status (19)

Country Link
US (1) US7932808B2 (fr)
EP (2) EP1769514B1 (fr)
JP (1) JP4550114B2 (fr)
KR (1) KR100848040B1 (fr)
CN (1) CN1981350B (fr)
AR (1) AR049971A1 (fr)
AU (1) AU2005261893B2 (fr)
BR (1) BRPI0513031A (fr)
CA (1) CA2571524C (fr)
CY (1) CY1114779T1 (fr)
DE (1) DE102004033680B4 (fr)
DK (2) DK2270821T3 (fr)
ES (2) ES2442591T3 (fr)
HU (1) HUE032382T2 (fr)
NZ (1) NZ552448A (fr)
PL (2) PL2270821T3 (fr)
PT (2) PT2270821E (fr)
SI (1) SI2270821T1 (fr)
WO (1) WO2006005542A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2341820B1 (es) * 2007-01-31 2011-05-13 GAMESA INNOVATION & TECHNOLOGY, S.L. Un metodo para eliminar el impacto de los retrocesos en la multiplicadora de un aerogenerador.
US8242878B2 (en) * 2008-09-05 2012-08-14 Vishay Dale Electronics, Inc. Resistor and method for making same
DE102009036227B4 (de) * 2009-08-05 2015-02-05 Abb Ag Elektrischer Widerstand, Verfahren zu seiner Herstellung und Installationsschaltgerät mit elektrischem Widerstand
DE102010053389A1 (de) 2010-12-03 2012-06-06 Vishay Electronic Gmbh Elektrischer Leistungswiderstand
US8692647B2 (en) * 2011-12-15 2014-04-08 Caterpillar Inc. Resistor grid assembly
DE202012100521U1 (de) 2012-02-16 2012-04-26 Jovyatlas Elektrische Umformtechnik GmbH Lastwiderstand
DE202012010188U1 (de) 2012-10-24 2012-11-12 Frizlen GmbH & Co. KG Lastwiderstand
CN114334313B (zh) * 2021-12-30 2024-04-05 广东福德电子有限公司 一种带骨头状电阻带的大功率电阻器

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Publication number Priority date Publication date Assignee Title
FR770317A (fr) * 1933-06-06 1934-09-12 Forges Ateliers Const Electr Perfectionnement aux résistances électriques du type à grilles
FR1013067A (fr) * 1950-02-20 1952-07-22 Rheostatic Co Ltd Résistances électriques
US2647978A (en) * 1951-08-11 1953-08-04 Electric Controller & Mfg Co Resistance unit and element thereof
US2725448A (en) * 1953-06-19 1955-11-29 Westinghouse Electric Corp Resistance apparatus
JPS52165248U (fr) 1976-06-10 1977-12-14
US4654627A (en) * 1985-05-23 1987-03-31 Dynamic Corporation Resistor grid assembly
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FR2718584B1 (fr) * 1994-04-08 1996-05-31 Thomcast Charge de puissance à refroidissement par air et antenne fictive constituée par une telle charge.
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JP3110996B2 (ja) 1995-09-28 2000-11-20 愛知電機株式会社 中性点接地抵抗装置
US5917404A (en) * 1997-01-13 1999-06-29 Ipc Resistors, Inc. Power resistor
DE10206828A1 (de) * 2002-01-29 2003-08-14 Lorenz Feddersen Schaltungsanordnung zum Einsatz bei einer Windenergieanlage

Also Published As

Publication number Publication date
WO2006005542A1 (fr) 2006-01-19
PT2270821E (pt) 2013-12-27
CN1981350A (zh) 2007-06-13
PL1769514T3 (pl) 2017-05-31
JP2008504702A (ja) 2008-02-14
KR100848040B1 (ko) 2008-07-23
AU2005261893A1 (en) 2006-01-19
CA2571524A1 (fr) 2006-01-19
AR049971A1 (es) 2006-09-20
ES2442591T3 (es) 2014-02-12
PT1769514T (pt) 2016-12-30
US20080191836A1 (en) 2008-08-14
SI2270821T1 (sl) 2014-02-28
KR20070029286A (ko) 2007-03-13
DE102004033680A1 (de) 2006-01-26
AU2005261893B2 (en) 2009-10-01
US7932808B2 (en) 2011-04-26
DK1769514T3 (da) 2017-01-02
ES2605408T3 (es) 2017-03-14
BRPI0513031A (pt) 2008-04-22
CN1981350B (zh) 2011-04-20
EP1769514A1 (fr) 2007-04-04
NZ552448A (en) 2009-08-28
DE102004033680B4 (de) 2009-03-12
CY1114779T1 (el) 2016-12-14
EP2270821A3 (fr) 2012-08-15
JP4550114B2 (ja) 2010-09-22
CA2571524C (fr) 2009-11-10
EP1769514B1 (fr) 2016-09-21
EP2270821A2 (fr) 2011-01-05
DK2270821T3 (da) 2013-12-09
HUE032382T2 (en) 2017-09-28
PL2270821T3 (pl) 2014-04-30

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