WO2019222779A1 - Ensemble de puissance comprenant une cloison - Google Patents

Ensemble de puissance comprenant une cloison Download PDF

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Publication number
WO2019222779A1
WO2019222779A1 PCT/AT2019/060170 AT2019060170W WO2019222779A1 WO 2019222779 A1 WO2019222779 A1 WO 2019222779A1 AT 2019060170 W AT2019060170 W AT 2019060170W WO 2019222779 A1 WO2019222779 A1 WO 2019222779A1
Authority
WO
WIPO (PCT)
Prior art keywords
bulkhead
protective housing
cooling device
power
module
Prior art date
Application number
PCT/AT2019/060170
Other languages
German (de)
English (en)
Inventor
Martin NAGELMÜLLER
Original Assignee
Miba Energy Holding 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 Miba Energy Holding Gmbh filed Critical Miba Energy Holding Gmbh
Priority to DE112019002657.7T priority Critical patent/DE112019002657A5/de
Publication of WO2019222779A1 publication Critical patent/WO2019222779A1/fr

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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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • H05K7/1432—Housings specially adapted for power drive units or power converters
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • 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
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/483—Converters with outputs that each can have more than two voltages levels
    • H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • H05K7/1432—Housings specially adapted for power drive units or power converters
    • H05K7/14325—Housings specially adapted for power drive units or power converters for cabinets or racks
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20254—Cold plates transferring heat from heat source to coolant
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20927—Liquid coolant without phase change
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor

Definitions

  • the invention relates to a power assembly for a medium or Hochhardsumrich ter, preferably a modular multilevel inverter, with improved explosion protection.
  • Inverters In the medium or high voltage direct current transmission, the conversion of three-phase current into direct current or vice versa takes place. Inverters (or modular multilevel converter MMC) are frequently used. Such modular multilevel inverters usually consist of a large number of power modules connected in series, which can also be referred to as submodules. Each power module can be switched independently of the other power modules.
  • the power modules subjected to medium or high voltage generally comprise at least one power semiconductor module, at least one energy storage module, at least one cooling device, and at least one auxiliary module, which has at least one signal conditioning module.
  • the Lachmann are a number of protective measures on submodules or crebau groups known to increase the safety of equipment and operators.
  • the WO2017108104A1 is cited, which has a sealing element between two superimposed housing parts.
  • the sealing element should prevent the escape of the gas pressure between the pressed-apart housing parts in the event of an explosion.
  • WO2016165843 Al a standing arrangement of a plurality of semiconductor chips is presented, which aretientbet tet between two cooling devices in an insulator material and these modules are arranged on a capacitor unit.
  • the spaces between the cooling devices can be filled with an explosion-proof material.
  • the power module according to the invention for a medium or high voltage converter preferably a modular multilevel converter comprises at least one power semiconductor module, at least one energy storage module, at least one cooling device, at least one auxiliary module, which has at least one signal conditioning module.
  • the at least one power semiconductor module and the at least one Hilfsbau group are arranged in the vertical direction on each upper or lower side of the wesentli Chen horizontally oriented cooling device, and the at least one Lei processing semiconductor module in a power semiconductor section and the at least one Hilfsbau group in a side section within a arranged with the cooling device, before given to one piece, protective housing arranged.
  • At least one preferably at least in the vertical direction, consists of several bulkhead elements for explosion protection composite, bulkhead between the cooling device and the protective housing formed from, and the at least one bulkhead has at least one of any Stromschie nen and / or control lines and / or measuring lines form complementary fürgangsöff statement on.
  • explosion protection means the protection against the effects of an explosion in the power semiconductor section and no direct protection or preventive measure against any explosion itself.
  • the subassembly may include a plurality of components, such as a Signalaufbe preparation assembly, overvoltage protection, any bypass circuits or bypass circuits with a separate control device, or even multiple power supplies.
  • the signal conditioning module can be understood as a particularly “sensitive” and thus protective value range of the auxiliary module, since it represents a kind of "electronic brain" of the power module.
  • the signal conditioning assembly may be used in addition to lightwave controlled elements e.g. a short-circuit logic module for plausibility of Ansteu ersignale to the power module also include any downstream gate driver.
  • Thedevorrich device is preferably designed to flow through liquid.
  • the overall height of the power subassembly is thus relatively low in the vertical direction in comparison with known power semiconductor modules and energy storage subassemblies, that is to say “vertically”, ie in the vertical direction one above the other or arranged one behind the other.
  • a plurality of power assemblies with "horizontally” arranged components can be arranged in a rack above one another and / or next to one another in a simple manner and, in addition, a comparatively stable bearing can be achieved.
  • thedevorrich device in the vertical direction offers the horizontal arrangement of the power module a good accessibility ability for an operator from the front of the medium or high voltage converter, in particular special if the connections for coolant, electricity, control and the like are formed on the front side.
  • the at least one, preferably one-piece, protective housing and / or the energy storage housing is formed as one side, in the direction of the cooling device, open hollow body. Over and / or laterally arranged power assemblies can be efficiently protected by the at least one protective housing.
  • the at least one through-opening can provide an efficient protection of the auxiliary assembly against flying parts occurring during the explosion and / or via elevated gas pressure through the form-complementary design for any busbars and the like. Moreover, an increase in environmental safety, in particular operator safety, is achieved by such a bulkhead in the direction of the front side.
  • the at least one energy storage module at the, at least one power semiconductor module opposite top or bottom of the cooling device, preferably within an energy storage housing, is arranged to.
  • the cooling device is designed as a load-bearing cooling plate.
  • Other Anordnun conditions, each with at least partially disposed on the top and bottom of the cooling plate components are in the design freedom of the designer and can also be realized with the platform assembly according to the invention on the cooling plate. It is in any case of great advantage that the cooling plate is arranged centrally such that the istge bene heat can be performed efficiently at least the energy storage and power semiconductor module.
  • Power modules of medium and high voltage converters generally have a very high dead weight of more than 200 kg.
  • the majority of the total weight is made up here by the energy storage module.
  • This advantageous arrangement of the energy storage cherbauou on the bottom of a very low center of gravity of the power assembly is achieved. This avoids an undesirable tilting moment in comparison to known arrangements and thus increases user safety.
  • the bulkhead comprises at least two in the vertical direction überei nander and / or in the transverse direction juxtaposed, electrically non-conductive, bulkhead wall elements.
  • the bulkhead elements can thus block-shaped and thus standing and / or preferably layed and thus be formed lying and their respective predetermined shape for forming the at least one shape-complementary through hole of the bulkhead to be cooperating with each other.
  • At least two of the bulkhead elements at least partially in the transverse direction and / or longitudinal direction and / or vertical direction formkom complementary recesses for at least partially receiving the busbars and / o of any control lines and / or measuring lines.
  • the recesses do not necessarily have the individual bulkhead elements to be formed penetrating straight in a spatial direction, but may preferably in transverse, vertical and / or longitudinally angled or stepped.
  • busbars and / or any control lines and / or Messlei lines are at least partially taken up by the respective recess and wedged within the bulkhead in the event of an explosion. This can be the safety against gas leakage and / or Press out the respective fasteners significantly increase.
  • the busbars make up an integral part of the bulkhead, since they are absorbed by the recesses at least partially ummantelnd.
  • At least one support element preferably a plurality of support elements on the protective housing in the transverse direction and / or vertical direction, preferably circumferentially, for supporting the at least one bulkhead wall and / or at least one bulkhead element in the longitudinal direction of the crugur conductor section pioneering under load by gas pressure in the event of an explosion, is formed.
  • Such support elements may be used as e.g. be arranged as an angle, or strip-shaped stop on the nenseite in the protective housing and the bulkhead at least partially in Qu erides and / or support vertical direction.
  • the bulkhead in the longitudinal direction by means of supporting elements supported on both sides, whereby the stability or rigidity of the bulkhead can be increased again.
  • Such a support element thus serves to increase the safety in the event of an explosion and can prevent an undesired escape of hot gases into the secondary section. This cost-effective measure can thus avoid Bebuldi supply of the auxiliary subassembly.
  • the at least one bulkhead and / or at least one bulkhead element with the protective housing in the transverse direction and / or vertical direction at least at a junction, preferably circumferentially connected.
  • This cost-effective measure can serve to prevent a squeezing and / or lifting of the protective housing from the bulkhead wall can be avoided. Free gases and / or the splinters can thus not get around the bulkhead around in the secondary section. It has proven to be particularly efficient when such joints are formed by thedevor direction substantially continuously along the side surfaces in the vertical direction, and at the top of the bulkhead in the transverse direction, running.
  • connection point bond as fferver and / or by means of a, preferably as Einhak-, plug-in, or latching connection.
  • connecting means is designed such that in the event of an explosion, a force-transmitting support of the bulkhead and / or the bulkhead elements in the longitudinal direction and / or transverse direction and / or vertical direction of the power semiconductor section wegwei send on the protective housing.
  • a non-positive and positive connection point can be realized in a simple manner by the Ausbil tion as a screw.
  • such, preferably circumferentially formed compound can also be configured as a simple hooking connection or the like whose "plugging direction" is selected such that, in the loading case, the bulkhead wall is pressed against the protective housing and the entanglement is a gas - and / or splinter leakage prevented.
  • the bulkhead elements and / or the Schutzge housing in the vertical direction of the cooling device preferably by means of at least one screw connection, are attached.
  • the "horizontal" arrangement of the power assembly to the centrally trained cooling device or cooling plate and can ensure a very stable and cost-effective backup and / or bracing of at least one protective housing to the cooling device.
  • the bulkhead elements or the bulkhead can be penetrated by the fastening means, such as a screw, which in addition to a tension in the vertical direction and an additional reinforcement in the longitudinal direction is formed.
  • an additional front bulkhead wall between the cooling device and protective housing preferably over an entire protective housing height and / or protective housing width, is formed on the front side of the protective housing, which has at least two connection openings for busbars and / or control lines and / or Messleitun conditions ,
  • Such a front bulkhead wall can thus form the front end of the protective housing and an additional protective function in the direction of the environment, or one positioned in front of the tel- or high-voltage converter operator exercise. Moreover, this can be form a stable storage at least two points for the busbars and / or Steuerlei lines and / or measuring lines by the interaction of such a front bulkhead with the bulkhead. In this way, a mechanical stress and / or strain of the power semiconductors and / or their power semiconductor module terminals can be ef efficient avoided, whereby the life of these components can be increased. Furthermore, the protective housing is supported in the vertical and / or longitudinal direction, which ensures an increased stability of the power assembly in the event of an explosion who can.
  • the bulkhead and / or the bulkhead elements and / or the front bulkhead of an electrically non-conductive, flame retardant material preferably a fiber reinforced plastic, such as a mate rial of class FR4, more preferably a composite material comprising epoxy resin and glass fiber fabric, is formed.
  • the cooling device has at least partially before given to circumferentially, in the transverse direction and / or longitudinal direction a receiving groove for receiving parts of the protective housing or a cover strip.
  • a receiving groove may be divided into several segments in the circumferential direction, that is to say in the transverse and / or longitudinal direction, or may be designed to be continuous.
  • Such a cover strip can be used independently or in combination with a Aufnah menut to improve the mechanical connection of the protective housing to themévor direction and to avoid gas leakage.
  • the cooling device has at least one Schottele mentnut for receiving at least a portion of a bulkhead element and / or at least a portion of the front bulkhead in the vertical direction.
  • a bulkhead element groove may be formed together with a receiving groove, but superficially serves to support the bulkhead wall or a bulkhead wall element. This measure increases safety against gas and / or splinter entry between the bulkhead and the cooling device.
  • the width of the bulkhead element groove can have the width of the bulkhead wall or of a bulkhead wall element.
  • the protective housing for compensating the gas pressure by means of plastic deformation in the explosion case has a plurality of, preferably bead-like, housing structures.
  • these housing structures can increase the mechanical stability of the protective housing against pressure / tension, both from the outside and from the inside.
  • an expansion chen of these housing structures can be used in the event of an explosion to compensate for the gas pressure, since this a considerable proportion of the explosion energy must be expended.
  • the busbars and / or control lines and / or measuring lines to prevent their unrestrained movement and / or gas leakage through the bulkhead and / or at least one bulkhead element at least one Kröp tion in the longitudinal and / or transverse direction and / or vertical direction respectively.
  • the connecting elements may be formed cranked, whereby a mechanical support on the bulkhead can be achieved under load from the power semiconductor section in the event of an explosion.
  • This offset of the busbars and / or control lines and / or measuring lines or any other connections o- auxiliary lines, can effect an efficient seal in the event of damage between power semiconductor sub-assembly and auxiliary subassembly.
  • the protective housing made of metal preferably before a metal with a thermal conductivity of more than 20 W / m * K, particularly preferably be more than 45 W / m * K, is formed.
  • a thermal conductivity of more than 20 W / m * K has proved to be advantageous in eg austenitic or stainless steels, where, however, can be used for more favorable than cheaper steels, such as galvanized steel sheets with higher bathleitfä ability of more than 45 W / m * K.
  • non-ferrous alloys such as Alumi nium- or copper-based alloys with significantly higher thermal conductivity is conceivable.
  • the protective housing for separate protection of the power semiconductor section and the secondary section is formed from at least two, preferably interconnected, partial protective housings.
  • the local geometric requirements of a medium or high voltage converter can be considered, in which, for example, under different partial protective housing heights of the power semiconductor section and the secondary section he is required.
  • this measure can also offer certain advantages for the assembly and service of the power module.
  • the at least two partial protection housings are preferably fastened to the bulkhead wall and particularly preferably in addition to one another and thus form a substantially one-piece protective housing with the aforementioned advantages.
  • Fig. 1 is a schematic oblique view of a portion of a medium or Hochhardsumrich age with three superimposed power modules;
  • Fig. 2 is a schematic exploded view in an oblique view of an embodiment of a power assembly with load-carrying cooling plate formeddevor direction;
  • Fig. 3 is a schematic exploded view in an oblique view of a possible formation of a bulkhead of several bulkhead elements
  • Fig. 4 is a schematic sectional view of embodiments of support elements (a) and connecting points (b, c) between a bulkhead and the Schutzge housing;
  • Fig. 5 is a schematic sectional view of embodiments for fixing the
  • Fig. 6 is a schematic sectional view of a protective housing with housing structures for
  • Fig. 7 is a schematic oblique view of an embodiment of a power assembly with two partial protection housings.
  • Fig. 1 is a schematic representation of a portion of a middle or Hochhardsum judge 2 is shown.
  • the frame has a plurality of receiving spaces arranged one above the other. These serve to receive in each case a power module 1, which are supported on support surfaces 45 on the support elements 38.
  • the frame 39 may have at least two pairs of vertical uprights 37. These are connected in the longitudinal direction 12 in the support plane by support members 38. From this Dar position the very space-saving arrangement of the power modules 1 in the respective receiving spaces of the frame 39 of the medium or high voltage converter 2 can be seen very well. From FIG. 1 in conjunction with FIG. 2, it can further be seen that each power module 1 has a plurality of connection openings 31, such as for busbars 18, control lines 19, measuring lines 20 or the like.
  • coolant connections 48 of the cooling device 3 on the front side 35 can be seen.
  • the busbars 18 are advantageously aligned in the vertical direction 14 in alignment with each other.
  • the arrangement of the connections to the front side 35 good accessibility for an operator is possible.
  • those of the power modules 1 have their greatest longitudinal extent in the longitudinal direction 12, which in this example clearly projects beyond the longitudinal extent in the transverse direction 13 and in the vertical direction 14. In this way, a substantially horizontal arrangement of the power module 1 on the support elements 38 is ensured.
  • the cooling plate 9 may be formed as a load-bearing element of the power assembly 1. Due to the arrangement of the at least one energy gie Ardbauage 4 on, the at least one power semiconductor module 5 opposite upper or lower side 11 of the cooling plate 9 a very stable position of the power assembly 1 in the frame 39 is achieved with a very low center of gravity.
  • Fig. 2 is an exploded view of an embodiment of a power assembly 1 is shown schematically.
  • the centrally arranged cooling device 3 is designed as a coolant or liquid-carrying cooling plate 9.
  • the power semiconductor module 5 and the auxiliary module 6 in the vertical direction 14 at the top 10 of the cooling device 3 is arranged.
  • the energy storage module 4 is formed on the underside 11 of the cooling device 3.
  • the electrical conductors of the energy storage module 4 can be summarized together, for example by means of a connection terminal 46 shown schematically.
  • the cooling device 3 or the cooling plate 9 has a terminal opening 47 for the passage and electrical connection of the energy storage module 4 to the power semiconductor module 5.
  • auxiliary subassembly 6 includes at least one Sig nalaufkungsbautik 8.
  • This signal processing module 8 essentially represents the control center of the respective power module 1 and performs, among other things, a plausibility check of the incoming control signals.
  • the auxiliary subassembly 6 is spatially separated from the power semiconductor subassembly 5 by a bulkhead 7.
  • the bulkhead 7 connects the protective housing 21 to the cooling device 3 and thus represents a type of seal between the auxiliary subassembly 6 and the power semiconductor subassembly 5.
  • the bulkhead 7 and / or the front bulkhead 30 visible on the front side 35 can therefore essentially extend over the entire protective housing width 33 and / or or protective housing height 34 may be formed.
  • the bulkhead 7 and / or the front bulkhead 30 has an extension in the longitudinal direction 12, which makes a part of the protective housing length 32 from. From Fig. 2 it is also clear that the cooling device 3, in particular in the Ausbil tion as a cooling plate 9, provides effective protection in the event of an explosion down. In addition, such a cooling plate 9 can be used as a construction platform to remove the total load of the power assembly in the frame 39.
  • the bulkhead 7 has at least one through-opening 23 which is complementary in shape to any busbars 18 and / or control lines 19 and / or measuring lines 20. Some of these connecting elements may additionally be guided through connection openings 31 provided through a front bulkhead 30. From Fig. 2, the good support of the busbars 18 and / or control lines 19 and / or measuring lines 20 due to the relatively wide bearing surfaces in the longitudinal 12 and transverse direction 13 can be seen.
  • FIG. 3 is a schematic exploded view of a possible construction of a bulkhead wall 7 of a plurality of bulkhead elements 17 is shown.
  • the bulkhead elements 17 can thereby recesses 24 for forming the at least one through hole 23 aufwei sen.
  • two measuring lines 20 are shown, which are arranged in form-complementary recesses 24 of a bulkhead wall element 17 provided for this purpose.
  • the busbars 18 are also at least partially accommodated in recesses 24 of the bulkhead elements 17 which are provided for this purpose.
  • the bulkhead elements 17 may be arranged "above one another" as shown in the manner shown. But it is also conceivable that the bulkhead elements 17 "block-shaped" to the arrangement next to each other and / or are formed one above the other.
  • FIG. 3 A further particular embodiment can be seen very clearly from FIG. 3, in which a crank 50 of electrical connecting elements, such as the busbars 18 and / or the measuring lines 20, is formed. Due to the complementary shape formed through openings 23 and / or the recesses 24 of the bulkhead elements 7 can be avoided by means of such cranked fasteners additional security against movement in the direction auxiliary subassembly 6.
  • the offset 50 of the corresponding elements may be formed in the vertical direction 14 and / or in the transverse direction 13 and / or in the longitudinal direction 12.
  • a plurality of attachment points 41 are further indicated, which are provided for lösba ren attachment of the protective housing 21 and / or the bulkhead 7 and the Schotttreatmente elements 17 to the cooling device 3 by means of screw 28.
  • the bulkhead elements 17 and the busbars 18 therefore have in the exemplary imple mentation each suitable openings for receiving the screw, wherein an electrical connection of the individual elements is avoided by the screw. Any insulation elements are known in the art and therefore not erläu tert.
  • a receiving groove 43 in the transverse direction 13 and longitudinal direction 12 for receiving parts of the protective housing 21 or a cover strip 44 on the cooling plate 9 can be seen.
  • This receiving groove 43 may preferably be circumferentially formed in the circumferential direction and serves to support the corresponding parts of the protective housing 21 as can be seen from the synopsis with Fig. 5.
  • two bulkhead grooves 51 are further designed such that unspecified Darge presented parts of the bulkhead 7 or directly to the cooling device 3 arranged Schottwan dmaschine 17 can be at least partially absorbed.
  • FIG. 4 includes several sectional views by embodiments of possible Stu z implant 25 and / or junctions 27, which wall the protective housing 21 with the bulkhead 7 and a topmost arranged bulkhead element 17 connect.
  • the Thomasdar settings are shown in the transverse direction 13 along the dashed line shown in Fig. 3 connecting line IV-IV.
  • Fig. 4a the formation of two support elements 25 is indicated, which support the bulkhead 7 in the direction of the secondary section 16 in the explosion case.
  • the gas pressure 26 can not get past the bulkhead 7 past the power semiconductor section 15 in the secondary section 16.
  • FIG. 4b Another, possibly independent, embodiment is shown in FIG. 4b.
  • the bulkhead 7 is supported relative to the protective housing 21 by means of a connection point 27, wherein the connecting means 29 is formed as a hooking connection.
  • a lifting or pressing apart of the bulkhead 7 and the protective housing 21 can be there with avoided and the gas pressure 26 will hold effective in the power semiconductor section 15 ge.
  • FIG. 5 some possible embodiments for the attachment of the protective housing 21 to the cooling device 3 are shown.
  • FIGS. 5a and 5b at least part of the protective housing 21 is received in the receiving groove 43 provided for this purpose and supported in this way in the transverse direction 13 and vertical direction 14.
  • a cover strip 44 is additionally provided, which connects the protective housing 21 with the cooling device 3 and is secured by screw 28.
  • Such trained attachment points 41 may be carried out along the longitudinal direction 12 and / or transverse direction Rich 13 analog.
  • the cover strip 44 may preferably be circumferentially out forms.
  • Fig. 5b a similar embodiment is shown schematically, wherein the function of the cover strip 44 of Fig. 5a by a correspondingly shaped end portion of the protective housing 21 is taken.
  • Fig. 5c another, self-contained, embodiment is shown, wherein the receiving groove 43 receives a portion of the cover strip 44 and a common fastening supply point 41 is formed by a screw 28.
  • the exemplary embodiments of FIG. 5 have in common that the gas pressure 26 can not escape between the protective housing 21 and the cooling device 3, since a hot gas is deflected by the elements received by the receiving groove 43.
  • FIG. 6 is a further and possibly independent embodiment ei ner power module 1 with a protective housing 21 is shown schematically.
  • the protective housing 21 is in turn ver at several attachment points 41 with the cooling device 3 connected, which may also be formed analogous to the preceding description of FIG.
  • the protective housing 21 in FIG. 6a has, by way of example, three housing structures 40, which protrude into the interior of the power semiconductor section 15 as three-dimensional structures.
  • the protective housing 21 can be plastically de formed in the event of an explosion.
  • the housing structures 40 of FIG. 6a can serve as an additional energy absorber and are pressed by the gas pressure 26 to the outside, with a large part of the explosion energy can be absorbed.
  • Fig. 7 is a further and possibly independent embodiment ei ner power module 1 with a protective housing 21 is shown schematically.
  • the power module 1 shown schematically has a protective housing 21 made of two partial protective housings 52.
  • the two part protective housing 52 are connected to attachment points 41, not shown, with the protective housing.
  • the partial protection housing 52 are also with each other and / or with the internally arranged and dashed Schotliert illustrated bulkhead 7 zB sterverbindun conditions 28 and / or a cover strip 44, analogous to the connection of the protective housing 21 with the Cooling device 3, connected. It can be seen from Fig. 7 that in this way un different partial protective housing heights 53 can be relatively easily realized.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inverter Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Dc-Dc Converters (AREA)
  • Power Conversion In General (AREA)

Abstract

L'invention concerne un ensemble de puissance (1) pour un convertisseur de moyenne ou haute tension (2), de préférence un convertisseur multi-niveaux modulaire, comprenant au moins un ensemble semiconducteur de puissance (5), au moins un ensemble d'accumulateur d'énergie (4), au moins un dispositif de refroidissement (3), au moins un groupe auxiliaire (6), lequel comprend au moins un ensemble de mise en forme de signaux (8), l'au moins un ensemble semiconducteur de puissance (5) et l'au moins un groupe auxiliaire (6) étant disposés en direction verticale (14) respectivement sur une face supérieure (10) ou une face inférieure (11) du dispositif de refroidissement (3) aligné essentiellement horizontalement, et l'au moins un ensemble semiconducteur de puissance (5) étant disposé dans une section de semiconducteur de puissance (15) et l'au moins un groupe auxiliaire (6) étant disposé dans une section secondaire (16) à l'intérieur d'un boîtier de protection (21) formé de préférence d'une seule pièce, connecté au dispositif de refroidissement (3), - au moins une cloison (7), de préférence composée, dans au moins la direction verticale (14), de plusieurs éléments de cloison (17), étant formée entre le dispositif de refroidissement (3) et le boîtier de protection (21) pour assurer une protection contre les explosions, et l'au moins une cloison (7) comprenant au moins une ouverture de passage (23) de forme complémentaire à la forme d'éventuels barres omnibus (18) et/ou câbles de commande (19) et/ou câbles de mesure (20).
PCT/AT2019/060170 2018-05-25 2019-05-23 Ensemble de puissance comprenant une cloison WO2019222779A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112019002657.7T DE112019002657A5 (de) 2018-05-25 2019-05-23 Leistungsbaugruppe mit schottwand

Applications Claiming Priority (2)

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ATA50428/2018 2018-05-25
ATA50428/2018A AT521041B1 (de) 2018-05-25 2018-05-25 Leistungsbaugruppe mit Schottwand

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WO2019222779A1 true WO2019222779A1 (fr) 2019-11-28

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PCT/AT2019/060170 WO2019222779A1 (fr) 2018-05-25 2019-05-23 Ensemble de puissance comprenant une cloison

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AT (3) AT521041B1 (fr)
DE (1) DE112019002657A5 (fr)
WO (1) WO2019222779A1 (fr)

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WO2022061382A1 (fr) * 2020-09-24 2022-03-31 Miba Energy Holding Gmbh Ensemble de puissance pour un convertisseur moyenne tension ou haute tension ou pour un convertisseur électronique de puissance d'un véhicule électrique

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US20100202109A1 (en) * 2006-12-11 2010-08-12 Li Zheng Electronic device and frequency converter of motor
US20100265744A1 (en) * 2007-11-13 2010-10-21 Siemens Aktiengesellschaft Power semiconductor module
DE102012113130A1 (de) * 2012-01-06 2013-07-11 General Electric Company Adaptives Leistungsumwandlungssystem
EP2723152A2 (fr) * 2012-10-19 2014-04-23 Omron Corporation Appareil équipé d'un dissipateur de chaleur
WO2016165843A1 (fr) 2015-04-13 2016-10-20 Abb Technology Ag Module électronique de puissance
WO2017108104A1 (fr) 2015-12-22 2017-06-29 Siemens Aktiengesellschaft Module électrique avec composants électriques
US20170223850A1 (en) * 2016-01-29 2017-08-03 Eaton Corporation Multi-compartment arc-generating electrical equipment using compressible intercompartment cable seals
DE102016202600A1 (de) * 2016-02-19 2017-08-24 Siemens Aktiengesellschaft Elektrisches Modul mit elektrischer Komponente

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WO2022061382A1 (fr) * 2020-09-24 2022-03-31 Miba Energy Holding Gmbh Ensemble de puissance pour un convertisseur moyenne tension ou haute tension ou pour un convertisseur électronique de puissance d'un véhicule électrique

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Publication number Publication date
AT521292B1 (de) 2020-10-15
AT521292A2 (de) 2019-12-15
AT521293A2 (de) 2019-12-15
AT521293A3 (de) 2021-03-15
DE112019002657A5 (de) 2021-03-11
AT521041B1 (de) 2019-10-15
AT521041A4 (de) 2019-10-15
AT521292A3 (de) 2020-09-15
AT521293B1 (de) 2021-05-15

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