WO2010127654A2 - Inverter comprising a housing with three compartments - Google Patents

Inverter comprising a housing with three compartments Download PDF

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Publication number
WO2010127654A2
WO2010127654A2 PCT/DE2010/000428 DE2010000428W WO2010127654A2 WO 2010127654 A2 WO2010127654 A2 WO 2010127654A2 DE 2010000428 W DE2010000428 W DE 2010000428W WO 2010127654 A2 WO2010127654 A2 WO 2010127654A2
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WO
WIPO (PCT)
Prior art keywords
chamber
chambers
inverter
housing
inverter according
Prior art date
Application number
PCT/DE2010/000428
Other languages
German (de)
French (fr)
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WO2010127654A3 (en
Inventor
Andreas Donth
Sven Bremicker
Original Assignee
Sma Solar Technology 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.)
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Publication date
Application filed by Sma Solar Technology Ag filed Critical Sma Solar Technology Ag
Publication of WO2010127654A2 publication Critical patent/WO2010127654A2/en
Publication of WO2010127654A3 publication Critical patent/WO2010127654A3/en

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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
    • H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring

Definitions

  • the invention relates to an inverter having a housing with three chambers.
  • Inverters are well known in the art. They serve to convert direct current into alternating current.
  • Such an inverter has a housing, wherein in the housing u. a. power electronic components are arranged. These power electronic components are to be protected against environmental influences, in particular moisture.
  • such an inverter not only has power electronic components, but in addition, if necessary, a plurality of plugs or the like, to connect this inverter AC-, as well as on the DC side.
  • such an inverter also has a communication unit, in particular with a display, which is likewise accommodated in the housing.
  • an inverter housing is already known from EP 2 006 988 A1, in which the housing has two chambers, wherein the first chamber has the power electronic components. Between the first chamber, which houses the power electronic components, and the second chamber is a wall, wherein on the wall on the side of the second chamber plug elements are provided, the DC side of the Establish connection from the PV modules to the power electronic components in the first chamber. On the AC side, a power cable is furthermore provided which is guided through the wall from the second housing chamber into the first housing chamber.
  • the two housing chambers are closed by separate covers, it being ensured by the arrangement of two covers that only for connection work, the lid of the first chamber, which accommodates the power electronic components, does not have to be opened.
  • the chamber is associated with the power electronic components of protection class IP 65 and the components located there must be protected from moisture and dirt.
  • the selected two-corner construction now ensures that this chamber does not have to be opened for connection work and is therefore protected against contamination and incoming moisture.
  • an inverter is known from DE 20 2006 004 221 U1 already known, having two chambers, wherein the one chamber is designed as a sacrificial chamber, which receives components that can explode.
  • Components that are considered explosive in this context are transistors, in particular IGBTs.
  • the chamber for the power electronic components must be associated with a high degree of protection class, in particular IP 65, in order to reliably avoid soiling and, in particular, the ingress of moisture.
  • such an inverter also has a communication device, in particular with a display. The arrangement of such a display does not have to be made in a chamber that is a high degree of protection class, in particular the IP 65, associated.
  • the invention has for its object to provide an inverter of the type mentioned, in which on the one hand ensures that the power electronic components are protected in the event of a fire in the inverter, and on the other hand, for the purpose of assembly or maintenance, the chamber with the power electronic Components does not need to be opened.
  • the invention provides that in an inverter with a housing having three chambers, wherein the chambers are closed by separate covers, which serves a first of the three chambers receiving at least one protective device, in particular an overvoltage protection device, wherein the second of the three chambers the power electronic components and the third of the three chambers has a communication device, for example with a display.
  • each chamber by the closure of each chamber by a separate lid is achieved that no connection via a possible common cover between the three chambers is possible. In case of fire in one of the three chambers, the other chambers are not affected. In particular, this also means the Possibility to design the protection class of the individual chambers as required to protect the components in these chambers.
  • overvoltage protection devices in the form of varistors or fuses, in particular string fuses, are provided.
  • the chamber for the at least one protective device has a plurality of DC connector.
  • the arrangement of the DC connectors in this area is useful because the protective devices mentioned above are located on the DC side.
  • the chamber for the protective device made of metal, but preferably the entire housing of the inverter made of metal. It is also advantageous if the lid of the chamber for the protection device is fire-protected and optionally the chamber for which at least one protective device comprises an extinguishing agent, for example in the form of a quenching powder.
  • FIG. 1 shows schematically in a perspective view an inverter housing with three chambers and in each case individual lids for closing the respective chambers.
  • the housing 1 of the inverter has the three chambers 10, 20 and 30, wherein the chamber 10 the power electronic components 14 takes, which are merely indicated in the first housing chamber 10.
  • a second housing chamber 20 which in particular serves to receive the communication device with a display 21, but also has the AC-side plug.
  • a further chamber 30 is provided, which receives the overvoltage protection devices 31, for example in the form of varistors, in which connection this chamber likewise has the connection plugs 32 from the DC side.
  • each chamber in the region of the transition to the adjacent chamber has a housing wall 17, 27 and 37 which terminates this chamber.
  • each chamber with each cover represents a unit that can be assigned insofar in each case the required degree of protection class.
  • the lid 35 for the chamber 30 is fire-proof and formed here in particular of metal.
  • the chamber 30 also includes an extinguishing agent, for example a quenching powder, which may be attached to the inside of the lid and released in the event of a fire.

Abstract

The invention relates to an inverter comprising a housing with three compartments (10, 20, 30) that can be closed by respectively separate covers (15, 25, 35). The first (30) of the three compartments is used to receive at least one overvoltage protection device (31), the second (10) of the three compartments comprises the electronic power components (14), and the third (20) of the three compartments has a communication device, for example, with a display (21).

Description

WECHSELRICHTER MIT EINEM GEHÄUSE MIT DREI KAMMERN INVERTER WITH A HOUSING WITH THREE CHAMBERS
Die Erfindung betrifft einen Wechselrichter mit einem Gehäuse mit drei Kammern.The invention relates to an inverter having a housing with three chambers.
Wechselrichter sind aus dem Stand der Technik hinreichend bekannt. Sie dienen dazu, Gleichstrom in Wechselstrom umzuwandeln. Ein solcher Wechselrichter weist ein Gehäuse auf, wobei in dem Gehäuse u. a. leistungselektronische Bauteile angeordnet sind. Diese leistungselektronischen Bauteile sind vor Umwelteinflüssen, insbesondere Feuchtigkeit, zu schützen. Allerdings weist ein solcher Wechselrichter nicht nur leistungselektronische Bauteile auf, sondern darüber hinaus gegebenen- falls eine Vielzahl von Steckern oder Ähnliches, um diesen Wechselrichter AC-, als auch DC-seitig anzuschließen. Des Weiteren besitzt ein solcher Wechselrichter auch eine Kommunikationseinheit, insbesondere mit einem Display, die ebenfalls in dem Gehäuse untergebracht ist.Inverters are well known in the art. They serve to convert direct current into alternating current. Such an inverter has a housing, wherein in the housing u. a. power electronic components are arranged. These power electronic components are to be protected against environmental influences, in particular moisture. However, such an inverter not only has power electronic components, but in addition, if necessary, a plurality of plugs or the like, to connect this inverter AC-, as well as on the DC side. Furthermore, such an inverter also has a communication unit, in particular with a display, which is likewise accommodated in the housing.
Nun ist bereits aus der EP 2 006 988 A1 ein Wechselrichtergehäuse bekannt, bei dem das Gehäuse zwei Kammern aufweist, wobei die eine erste Kammer die leistungselektronischen Bauteile aufweist. Zwischen der ersten Kammer, die die leistungselektronischen Bauteile aufnimmt, und der zweiten Kammer befindet sich eine Wand, wobei an der Wand auf der Seite der zweiten Kammer Steckerelemente vorgesehen sind, die DC-seitig die Verbindung von den PV-Modulen zu den leistungselektronischen Bauteilen in der ersten Kammer herstellen. AC-seitig ist des Weiteren ein Netzkabel vorgesehen, das durch die Wandung aus der zweiten Gehäusekammer in die erste Gehäusekammer geführt wird. Die beiden Gehäusekammern sind durch jeweils gesonderte Deckel verschlossen, wobei durch die Anordnung zweier Deckel sichergestellt ist, dass allein zu Anschlussarbeiten der Deckel der ersten Kammer, die die leistungselektronischen Bauteile aufnimmt, nicht geöffnet werden muss. Dies ist insofern von Vorteil, als die Kammer mit den leistungselektronischen Bauteilen der Schutzartklasse IP 65 zugeordnet ist und die dort befindlichen Bauteile vor Feuchtigkeit und Schmutz geschützt werden müssen. Durch die gewählte Zweideckelkonstruktion wird nun sichergestellt, dass für Anschlussarbeiten diese Kammer nicht geöffnet werden muss und insofern vor Verschmutzung und eintretender Feuchtigkeit geschützt ist.Now, an inverter housing is already known from EP 2 006 988 A1, in which the housing has two chambers, wherein the first chamber has the power electronic components. Between the first chamber, which houses the power electronic components, and the second chamber is a wall, wherein on the wall on the side of the second chamber plug elements are provided, the DC side of the Establish connection from the PV modules to the power electronic components in the first chamber. On the AC side, a power cable is furthermore provided which is guided through the wall from the second housing chamber into the first housing chamber. The two housing chambers are closed by separate covers, it being ensured by the arrangement of two covers that only for connection work, the lid of the first chamber, which accommodates the power electronic components, does not have to be opened. This is advantageous in that the chamber is associated with the power electronic components of protection class IP 65 and the components located there must be protected from moisture and dirt. The selected two-corner construction now ensures that this chamber does not have to be opened for connection work and is therefore protected against contamination and incoming moisture.
Nun gibt es in einem Wechselrichter Bauteile, die durchaus brandgefährdet sind oder auch Bauteile mit erhöhtem Wartungsaufwand. Dies sind insbesondere Überspannungsschutzeinrichtungen, die, wenn auch in seltenen Fällen, durchaus brennen können. Beim Stand der Technik gemäß der zuvor abgehandelten EP 2 006 988 A1 sind derartige Schutzeinrichtungen in der Kammer untergebracht, die die leistungselektronischen Bauteile aufweist. Insofern werden im Brandfall die leistungselektronischen Bauteile unwiderruflich Schaden nehmen. Die Folge hiervon sind zumindest umfangreiche und teure Reparaturen.Now there are components in an inverter that are at risk of fire or even components with increased maintenance requirements. These are in particular overvoltage protection devices, which, although in rare cases, can burn quite well. In the prior art according to previously discussed EP 2 006 988 A1 such protective devices are housed in the chamber, which has the power electronic components. In this way, in the event of a fire, the power electronic components will be irrevocably damaged. The consequence of this is at least extensive and expensive repairs.
In diesem Zusammenhang ist aus der DE 20 2006 004 221 U1 bereits ein Wechselrichter bekannt, der zwei Kammern aufweist, wobei die eine Kammer als Opferkammer ausgebildet ist, die Bauteile aufnimmt, die explodieren können. Bauteile, die in diesem Zusammenhang als explosions- gefährdet angesehen werden, sind Transistoren, insbesondere IGBTs. Bereits an anderer Stelle wurde erläutert, dass die Kammer für die leistungselektronischen Bauteile einer hohen Schutzartklasse, insbesondere IP 65, zugehörig sein muss, um eine Verschmutzung und insbesondere auch Eindringen von Feuchtigkeit sicher zu vermeiden. Es wurde bereits ebenfalls darauf hingewiesen, dass ein solcher Wechselrichter auch eine Kommunikationseinrichtung aufweist, insbesondere mit einem Display. Die Anordnung eines solchen Displays muss nicht in einer Kammer vorgenommen werden, die einer hohen Schutzartklasse, insbesondere der IP 65, zugehörig ist.In this context, an inverter is known from DE 20 2006 004 221 U1 already known, having two chambers, wherein the one chamber is designed as a sacrificial chamber, which receives components that can explode. Components that are considered explosive in this context are transistors, in particular IGBTs. It has already been explained elsewhere that the chamber for the power electronic components must be associated with a high degree of protection class, in particular IP 65, in order to reliably avoid soiling and, in particular, the ingress of moisture. It has also been pointed out that such an inverter also has a communication device, in particular with a display. The arrangement of such a display does not have to be made in a chamber that is a high degree of protection class, in particular the IP 65, associated.
Insofern liegt der Erfindung die Aufgabe zugrunde, einen Wechselrichter der eingangs genannten Art zu schaffen, bei dem einerseits sichergestellt ist, dass die leistungselektronischen Bauteile im Falle eines Brandes im Wechselrichter geschützt sind, und andererseits zum Zwecke der Montage oder von Wartungsarbeiten die Kammer mit den leistungselektronischen Bauteilen nicht geöffnet werden muss.In this respect, the invention has for its object to provide an inverter of the type mentioned, in which on the one hand ensures that the power electronic components are protected in the event of a fire in the inverter, and on the other hand, for the purpose of assembly or maintenance, the chamber with the power electronic Components does not need to be opened.
Insofern ist erfindungsgemäß vorgesehen, dass bei einem Wechselrichter mit einem Gehäuse mit drei Kammern, wobei die Kammern durch jeweils gesonderte Deckel verschließbar sind, die eine erste der drei Kammern der Aufnahme mindestens einer Schutzeinrichtung, insbesondere einer Überspannungsschutzeinrichtung, dient, wobei die zweite der drei Kammern die leistungselektronischen Bauteile und die dritte der drei Kammern eine Kommunikationseinrichtung zum Beispiel mit einem Display aufweist.In this respect, the invention provides that in an inverter with a housing having three chambers, wherein the chambers are closed by separate covers, which serves a first of the three chambers receiving at least one protective device, in particular an overvoltage protection device, wherein the second of the three chambers the power electronic components and the third of the three chambers has a communication device, for example with a display.
Insbesondere durch den Verschluss einer jeden Kammer durch einen gesonderten Deckel wird erreicht, dass keinerlei Verbindung über einen etwaigen gemeinsamen Deckel zwischen den drei Kammern möglich ist. Im Falle eines Brandes in der einen der drei Kammern werden die anderen Kammern hierdurch nicht tangiert. Insbesondere besteht hierdurch auch die Möglichkeit, die Schutzartklasse der einzelnen Kammern so zu gestalten, wie dies zum Schutz der Bauteile in diesen Kammern erforderlich ist.In particular, by the closure of each chamber by a separate lid is achieved that no connection via a possible common cover between the three chambers is possible. In case of fire in one of the three chambers, the other chambers are not affected. In particular, this also means the Possibility to design the protection class of the individual chambers as required to protect the components in these chambers.
Vorteilhafte Merkmale der Erfindung ergeben sich aus den Unter- ansprüchen.Advantageous features of the invention emerge from the subclaims.
So ist insbesondere vorgesehen, dass Überspannungsschutzeinrichtungen in Form von Varistoren oder Sicherungen, insbesondere Stringsicherungen, vorgesehen sind.It is thus provided in particular that overvoltage protection devices in the form of varistors or fuses, in particular string fuses, are provided.
Des Weiteren kann vorgesehen sein, dass die Kammer für die mindestens eine Schutzeinrichtung mehrere DC-Anschlussstecker aufweist. Die Anordnung der DC-Anschlussstecker in diesem Bereich bietet sich an, da die zuvor erwähnten Schutzeinrichtungen auf der DC-Seite greifen. Insbesondere um eine Ausbreitung eines Brandes zu verhindern ist vorgesehen, dass die Kammer für die Schutzeinrichtung aus Metall, vorzugsweise allerdings das gesamte Gehäuse des Wechselrichters aus Metall besteht. Vorteilhaft ist weiterhin, wenn der Deckel der Kammer für die Schutzeinrichtung brandgeschützt ist und gegebenenfalls die Kammer, für die mindestens eine Schutzeinrichtung ein Löschmittel, zum Beispiel in Form eines Löschpulvers, aufweist.Furthermore, it can be provided that the chamber for the at least one protective device has a plurality of DC connector. The arrangement of the DC connectors in this area is useful because the protective devices mentioned above are located on the DC side. In particular, in order to prevent a spread of fire is provided that the chamber for the protective device made of metal, but preferably the entire housing of the inverter made of metal. It is also advantageous if the lid of the chamber for the protection device is fire-protected and optionally the chamber for which at least one protective device comprises an extinguishing agent, for example in the form of a quenching powder.
Anhand der Zeichnung wird die Erfindung nachstehend beispielhaft näher erläutert.Reference to the drawing, the invention is explained in more detail below by way of example.
Fig. 1 zeigt insofern schematisch in einer perspektivischen Ansicht ein Wechselrichtergehäuse mit drei Kammern sowie jeweils einzelnen Deckeln zum Verschließen der jeweiligen Kammern.1 shows schematically in a perspective view an inverter housing with three chambers and in each case individual lids for closing the respective chambers.
Das Gehäuse 1 des Wechselrichters besitzt die drei Kammern 10, 20 und 30, wobei die Kammer 10 die leistungselektronischen Bauteile 14 auf- nimmt, die in der ersten Gehäusekammer 10 lediglich angedeutet sind. Darüber hinaus gibt es eine zweite Gehäusekammer 20, die insbesondere der Aufnahme der Kommunikationseinrichtung mit einem Display 21 dient, aber auch die AC-seitigen Stecker aufweist. Eine weitere Kammer 30 ist vorgesehen, die die Überspannungsschutzeinrichtungen 31 aufnimmt, beispielweise in Form von Varistoren, wobei in diesem Zusammenhang diese Kammer ebenfalls die Anschlussstecker 32 von der DC-Seite aufweist.The housing 1 of the inverter has the three chambers 10, 20 and 30, wherein the chamber 10 the power electronic components 14 takes, which are merely indicated in the first housing chamber 10. In addition, there is a second housing chamber 20, which in particular serves to receive the communication device with a display 21, but also has the AC-side plug. A further chamber 30 is provided, which receives the overvoltage protection devices 31, for example in the form of varistors, in which connection this chamber likewise has the connection plugs 32 from the DC side.
Alle drei Kammern sind durch gesonderte Deckel 15, 25, 35 verschließbar, was bedeutet, dass jede Kammer im Bereich des Übergangs zur benachbarten Kammer eine diese Kammer abschließende Gehäusewand 17, 27 und 37 aufweist. Dies hat zur Folge, dass jede Kammer mit jedem Deckel eine Einheit darstellt, die insofern jeweils der erforderlichen Schutzartklasse zugeordnet werden kann. Insbesondere der Deckel 35 für die Kammer 30 ist brandgeschützt und hier insbesondere aus Metall ausgebildet. Vorzugsweise weist die Kammer 30 auch ein Löschmittel auf, zum Beispiel ein Löschpulver, das an der Deckelinnenseite angebracht sein kann und im Fall eines Brandes freigegeben wird. All three chambers can be closed by separate covers 15, 25, 35, which means that each chamber in the region of the transition to the adjacent chamber has a housing wall 17, 27 and 37 which terminates this chamber. This has the consequence that each chamber with each cover represents a unit that can be assigned insofar in each case the required degree of protection class. In particular, the lid 35 for the chamber 30 is fire-proof and formed here in particular of metal. Preferably, the chamber 30 also includes an extinguishing agent, for example a quenching powder, which may be attached to the inside of the lid and released in the event of a fire.

Claims

Ansprüche: Claims:
1. Wechselrichter mit einem Gehäuse mit drei Kammern (10, 20, 30), wobei die Kammern (10, 20, 30) durch jeweils gesonderte Deckel (15, 25, 35) verschließbar sind, wobei die eine erste (30) der drei Kammern der Aufnahme mindestens einer Überspannungsschutzeinrichtung (31) dient, wobei die zweite (10) der drei Kammern die leistungs- elektronischen Bauteile (14) und die dritte (20) der drei Kammern eine Kommunikationseinrichtung zum Beispiel mit einem Display (21) aufweist.1. inverter with a housing having three chambers (10, 20, 30), wherein the chambers (10, 20, 30) by respective separate lid (15, 25, 35) are closable, wherein the first one (30) of the three Chambers of recording at least one overvoltage protection device (31) is used, wherein the second (10) of the three chambers, the power electronic components (14) and the third (20) of the three chambers, a communication device, for example with a display (21).
2. Wechselrichter nach Anspruch 1 , dadurch gekennzeichnet, dass die Überspannungsschutzeinrichtung (31) als Varistor ausgebildet ist.2. The inverter according to claim 1, characterized in that the overvoltage protection device (31) is designed as a varistor.
3. Wechselrichter nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass die Kammer (30) für die mindestens eine Schutzeinrichtung (31 ) mehrere DC-Anschlussstecker aufweist.3. Inverter according to one of the preceding claims, characterized in that the chamber (30) for the at least one protective device (31) has a plurality of DC connector.
4. Wechselrichter nach wenigstens einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Schutzeinrichtung (31) als Sicherung, insbesondere als Stringsicherung, ausgebildet ist.4. Inverter according to at least one of the preceding claims, characterized in that the protective device (31) is designed as a fuse, in particular as a string fuse.
5. Wechselrichter nach wenigstens einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Gehäuse (1) aus Metall besteht. 5. Inverter according to at least one of the preceding claims, characterized in that the housing (1) consists of metal.
6. Wechselrichter nach wenigstens einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Deckel (35) für die Kammer (30) für die Schutzeinrichtung brandgeschützt ist.6. Inverter according to at least one of the preceding claims, characterized in that the cover (35) for the chamber (30) is fire-protected for the protection device.
7. Wechselrichter nach wenigstens einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Kammer (30) für die mindestens eine Schutzeinrichtung (31 ) ein Löschmittel, zum Beispiel ein Löschpulver, aufweist.7. Inverter according to at least one of the preceding claims, characterized in that the chamber (30) for the at least one protective device (31) comprises an extinguishing agent, for example a quenching powder.
8. Wechselrichter nach wenigstens einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass in der Kammer (20) die AC-seitigen Stecker (26) angeordnet sind. 8. Inverter according to at least one of the preceding claims, characterized in that in the chamber (20), the AC-side connector (26) are arranged.
PCT/DE2010/000428 2009-05-08 2010-04-15 Inverter comprising a housing with three compartments WO2010127654A2 (en)

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Application Number Priority Date Filing Date Title
DE200920006709 DE202009006709U1 (en) 2009-05-08 2009-05-08 Inverter with a housing with three chambers
DE202009006709.2 2009-05-08

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WO2010127654A2 true WO2010127654A2 (en) 2010-11-11
WO2010127654A3 WO2010127654A3 (en) 2010-12-29

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DE102019207039A1 (en) * 2019-05-15 2020-11-19 Fronius International Gmbh Inverter housings, in particular photovoltaic inverter housings

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DE202006004221U1 (en) 2005-04-27 2006-05-11 Abb Oy Frequency converter, has protection unit dividing space within housing into immolating section and protection section and impeding spreading of degrading effect of explosion occurring in immolating section into protection section
EP2006988A1 (en) 2007-05-23 2008-12-24 SMA Solar Technology AG Inverter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109889057A (en) * 2017-12-06 2019-06-14 Zf 腓德烈斯哈芬股份公司 Inverter apparatus for vehicle and the DC-to-AC converter system with inverter apparatus

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WO2010127654A3 (en) 2010-12-29

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