CN202495880U - Power conversion device - Google Patents
Power conversion device Download PDFInfo
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- CN202495880U CN202495880U CN2012200417675U CN201220041767U CN202495880U CN 202495880 U CN202495880 U CN 202495880U CN 2012200417675 U CN2012200417675 U CN 2012200417675U CN 201220041767 U CN201220041767 U CN 201220041767U CN 202495880 U CN202495880 U CN 202495880U
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Abstract
The utility model discloses a power conversion device. The power conversion device according to the utility model is provided with a plurality of unit power converters. The plurality of unit power converters are arranged into a row. The plurality of unit power converters are used to convert inputted three-phase alternating current into single-phase alternating current separately. Preferably, the power conversion device is further provided with a power supply portion for supplying alternating current to the plurality of unit power converters. In this case, the preferred power conversion device is further provided with: a power conversion disc, wherein the plurality of unit power converters are arranged in a frame of the power conversion disc; and a power supply disc, wherein the power supply portion is arranged in a frame of the power supply disc.
Description
Technical field
The utility model relates to a kind of power-converting device.
Background technology
Carry out in the power-converting device of power converter, do not have only power-converting device, also have the power-converting device that the alternating electromotive force of certain frequency is transformed to the alternating electromotive force of optional frequency direct current and the mutual conversion of alternating current.At the alternating electromotive force of power-converting device conversion, for example be used for driving: use alternating current motor as the power source of industry machine, field of household appliances and automobile or electric car etc.
Most alternating current motors is driven by the alternating current of heterogeneous (for example three-phase).Drive the high-voltage large-capacity power-converting device of polyphase AC motor as variable-ratio ground; Known have a following formation: a plurality of power cells (unit power converter, power cell) single-phase part of multiplex inverter (inverter) that forms that be connected in series is provided with (for example with reference to patent documentation 1: TOHKEMY 2011-193712 communique) according to number of phases part.
In the typical power-converting device, the unit power converter is arranged as the rectangular of multirow and multiple row.Yet,, be useful on the complicated situation of distribution of linkage unit power converter and other machines if the unit power converter is arranged like this.
The utility model content
The utility model is for because the problems referred to above are made, and its purpose is to provide the power-converting device that can the distribution of unit power converter be simplified.
According to the power-converting device of the utility model, be the power-converting device that possesses a plurality of unit power converter, said a plurality of unit power converter is arranged as row.
In certain execution mode, said a plurality of unit power converter is transformed to single-phase alternating current with the three-phase alternating current of input separately.
In certain execution mode; Said a plurality of unit power converter has the rectangular shape by the 1st limit, the 2nd limit and the 3rd limit defined separately; The length on said the 1st limit of said rectangular shape is below the above 860mm of 700mm; The length on said the 2nd limit of said rectangular shape is below the above 670mm of 620mm, and the length on said the 3rd limit of said rectangular shape is below the above 230mm of 150mm.
In certain execution mode, further possesses the power supply unit of said a plurality of unit power converter being supplied with alternating current.
In certain execution mode, said power supply unit contains transformer.
In certain execution mode, said power-converting device further possesses: the power converter dish that in framework, disposes said a plurality of unit power converter; And the power supply disks that in other frameworks, disposes said power supply unit.
In certain execution mode; Said power converter dish and said power supply disks are configured to adjoin each other; The said framework of said power converter dish, it is being provided with peristome with said power supply disks wall in opposite directions, and this peristome is through there being the distribution with said power supply unit and the electrical connection of said a plurality of unit power converter; The said framework of said power supply disks, it is being provided with the peristome that said distribution passes through with said power converter dish wall in opposite directions.
In certain execution mode, said power-converting device further possesses terminal base, and this terminal base relaying is with the distribution of said power supply unit and the electrical connection of said a plurality of unit power converter.
In certain execution mode; Said terminal base has the rectangular shape by the 1st limit, the 2nd limit and the 3rd limit defined; The length on said the 1st limit of said rectangular shape is below the above 100mm of 30mm; The length on said the 2nd limit of said rectangular shape is below the above 1900mm of 1000mm, and the length on said the 3rd limit of said rectangular shape is below the above 15mm of 6mm.
Power-converting device according to the utility model possesses: a plurality of unit power converter; Said a plurality of unit power converter is supplied with the power supply unit of alternating current; Terminal base, this terminal base relaying is with the distribution of said power supply unit and the electrical connection of said a plurality of unit power converter.
According to the utility model, can the distribution of the unit power converter of power-converting device be simplified.
Description of drawings
Fig. 1 is the sketch map of the power-converting device of this execution mode;
Fig. 2 is the circuit diagram of power-converting device shown in Figure 1;
Fig. 3 is the sketch map of the power-converting device of this execution mode;
Fig. 4 is the circuit diagram of the power-converting device of this execution mode;
Fig. 5 is the sketch map of the power-converting device of this execution mode;
Fig. 6 is the sketch map of the power-converting device of this execution mode;
Fig. 7 (a) is the sketch map of the power-converting device of this execution mode, and Fig. 7 (b) is the sketch map of the terminal base among Fig. 7 (a);
Fig. 8 is the circuit diagram of the unit power converter in the power-converting device of this execution mode;
Fig. 9 (a) is the circuit diagram of the unit power converter in the power-converting device of this execution mode, and Fig. 9 (b) is the circuit diagram of the bidirectional switch of Fig. 9 (a);
Figure 10 is the sketch map of the power-converting device of this execution mode;
Figure 11 (a) and Figure 11 (b) are the sketch mapes of the power-converting device of this execution mode;
Figure 12 (a) and Figure 12 (b) are the sketch mapes of the power-converting device of this execution mode;
Figure 13 is the sketch map of the power-converting device of this execution mode.
Embodiment
Below with reference to the execution mode that illustrates according to the power-converting device of the utility model.But the utility model is not limited to following execution mode.
Fig. 1 representes the sketch map of the power-converting device 100 of this execution mode.Power-converting device 100 possesses a plurality of unit power converter 10.A plurality of unit power converter 10 has the shape that equates each other haply separately.
In the power-converting device 100 of this execution mode, a plurality of unit power converter 10 is arranged as row.Moreover 10 of unit power converters are arranged along this orientation, and are not arranged in the different direction of orientation therewith.Here, unit power converter 10 is arranged along vertical direction v with certain interval each other, and is not arranged in the direction with vertical direction v vertical interlaced.
Moreover in Fig. 1, though unit power converter 10 is arranged along vertical direction v, of the back, a plurality of unit power converter 10 also can be along being arranged as row with the different direction of vertical direction v.Moreover, in Fig. 1, become too complicated for fear of accompanying drawing, except with power supply with the distribution that unit power converter 10 is electrically connected, the distribution of unit power converter 10 is imported electric signal, export in omission.
A plurality of unit power converter 10 also can be disposed at along the top of the frame plate of vertical direction v arrangement separately, thereby is accommodated in shelf.Perhaps, a plurality of unit power converter 10 also can be supported by the supporting walls along vertical direction v and is arranged as row.
Power-converting device 100 shown in Figure 1 possesses 6 unit power converters 10.6 unit power converters 10 are arranged along vertical direction v separately, are risen by the top, and the 1st～6th layer unit power converter 10 is expressed as unit power converter 10a～10f.Moreover; In the explanation below this specification; Though with the power-converting device 100 that possesses 6 unit power converters 10 is that example is explained, short ofly mention that especially the number of the unit power converter 10 that power-converting device 100 possesses also can be beyond 6.
Fig. 2 is illustrated in the circuit diagram of the power-converting device 100 shown in Fig. 1.Moreover, for fear of power converter 10 interconnective distributions in unit being become too complicated, in circuit diagram shown in Figure 2, unit power converter 10a～10f is not expressed as being arranged as row.
Power-converting device 100 will be exported after will being transformed to the alternating current of certain frequency and certain amplitude by the alternating current that the outside is supplied with.Here, 100 pairs of load L output of power-converting device three-phase alternating current.Load L for example is a motor (motor).
Here, unit power converter 10 is that the three-phase that the input AC electricity with three-phase is transformed to single-phase alternating current is imported single-phase output circuit, and unit power converter 10 is also referred to as power cell (power cell).One example of the formation of unit power converter 10, with reference to Fig. 8 and Fig. 9 at laggard line description.Moreover, though in Fig. 2, schematically represent the distribution that is electrically connected between unit power converter 10a～10f, in other figure, have such distribution abridged situation.
Moreover here, though the number of the unit power converter 10 that power-converting device 100 contains is 6, the utility model is not limited thereto.In the situation of power-converting device 100 output three-phase alternating currents, also can be 3 more than 9 s' multiple through the number that makes unit power converter 10, increase the amplitude of the alternating voltage of output with same reason.
In addition, in Fig. 2, though by the outside of power-converting device 100 unit power converter 10 is supplied with alternating current, the utility model is not limited thereto.Power-converting device 100 also can possess the power supply unit of unit power converter 10 being supplied with alternating current.
Fig. 3 representes the sketch map of the power-converting device 100 of this execution mode.Power-converting device 100 shown in Figure 3 except possessing unit power converter 10, also possesses the power supply unit 20 of unit power converter 10 being supplied with alternating current.Power supply unit 20 is supplied with alternating current through distribution to unit power converter 10.In the power-converting device 100 shown in Figure 3,20 pairs of unit of power supply unit power converter 10a～10f exports three-phase alternating current separately, and unit power converter 10a～10f is transformed to this three-phase alternating current the single-phase alternating current of certain frequency separately.Power supply unit 20 can itself generate the three-phase alternating current that unit power converter 10 is supplied with, and perhaps, also can generate based on the power supply of outside.For example, power supply unit 20 also can generate the three-phase alternating current of unit power converter 10 being supplied with usefulness through being transformed to the three-phase alternating current of certain amplitude by the three-phase alternating current that the power supply of outside is imported.
Fig. 4 representes the circuit diagram of the power-converting device 100 of this execution mode.Power supply unit 20 has transformer 22 (transformer).Here, transformer 22 is a multi winding transformer, and transformer 22 has winding 26 and a plurality of secondary winding 28.For example, the AC voltage conversion that transformer 22 is bigger with amplitude is the less alternating voltage of amplitude.Secondary winding 28 is electrically connected with unit power converter 10 through distribution.Moreover, in Fig. 4, represent the distribution that secondary winding 28 is electrically connected with unit power converter 10 simplifiedly.Likewise, in following explanation, the situation that this distribution is represented is simplifiedly arranged.
The sketch map of the power-converting device 100 of this execution mode of expression among Fig. 5.Power-converting device 100 shown in Figure 5 is except possessing unit power converter 10 and the power supply unit 20, also possessing the power converter dish 32 that in framework, disposes unit power converter 10, the power supply disks 34 that in other frameworks, disposes power supply unit 20.Here, power converter dish 32 and power supply disks 34 dispose along the horizontal direction with vertical direction v vertical interlaced with adjoining each other.
Moreover in power-converting device shown in Figure 5 100, though unit power converter 10 and power supply unit 20 are connected through the wired electric with this two square objects reason contact, the utility model is not limited thereto.For example, unit power converter 10 and power supply unit 20 also can be electrically connected through therebetween parts.
Fig. 6 representes the sketch map of the power-converting device 100 of this execution mode.Power-converting device 100 shown in Figure 6 is except possessing: the power converter dish 32 with unit power converter 10; And have beyond the power supply disks 34 of power supply unit 20, also possess terminal base 40.Here, terminal base 40 is disposed in the power supply disks 34.By power supply unit 20 till the terminal base 40 distribution and by the distribution of terminal base 40 till the unit power converter 10, be to be electrically connected at terminal base 40.
For example, insulation board 42 is formed by epoxy resin.Perhaps, insulation board 42 also can be formed by mylar, melmac, phenolic resins, polyurethane resin.Insulation board 42 has interarea 42a, 42b.Here, interarea 42a is configured to towards power supply unit 20 sides, and interarea 42b is configured to power converter 10 sides towards the unit.For example, be provided with the peristome till being through to interarea 42b by interarea 42a at insulation board 42.
Here, a plurality of conductive parts 44 are arranged along vertical direction v.Like this, a plurality of conductive part 44 preferred arrangement are parallel with the orientation of unit power converter 10.Conductive part 44 is extended to till the interarea 42b by the interarea 42a of insulation board 42.For example, conductive part 44 is made up of bolt and nut, the peristome of bolt-through insulation board 42.
In the conductive part 44, part and the power supply unit 20 that are positioned at the interarea 42a side of insulation board 42 are connected through wired electric, and in the conductive part 44, part and the unit power converter 10 that are positioned at the interarea 42b side of insulation board 42 are connected through wired electric.Like this, owing to the distribution of terminal base 40 relayings, distribution is become put in order easily, and can be electrically connected with distribution than weak point with unit power converter 10 and power supply unit 20 electrical connections.In addition; When different field mades has the power converter dish 32 of unit power converter 10 and has the power supply disks 34 of power supply unit 20; Owing in power supply disks 34, dispose terminal base 40; Therefore and terminal base 40 has the conductive part 44 that is electrically connected with power supply unit 20, when assembling power-converting device 100, can easily carry out being electrically connected of unit power converter 10 and power supply unit 20.
The power-converting device 100 of this execution mode is described with reference to Fig. 7 here.Fig. 7 (a) representes the sketch map of the power-converting device 100 of this execution mode.Power-converting device 100 shown in Fig. 7 (a) possesses three-phase transformer 22.Three-phase transformer 22 has iron core 24, winding 26, a plurality of secondary winding 28.In each transformer 22, iron core 24 is divided into 3 axles, around each direction of principal axis, is wound with to be equivalent to 1 single-phase winding 26, and single-phase part of the secondary winding 28 that is separated from each other in the outside radially of this winding 26 is to be divided into 6 layers of ground to reel.Here, terminal base 40 is assembled in the front end of three-phase transformer 22.
As above-mentioned, the number of unit power converter 10 is 6.The number of the secondary winding 28 of three-phase transformer 22 is 6, and the number of plies of the secondary winding 28 of three-phase transformer 22 is corresponding with the number of unit power converter 10.
In the power-converting device 100 shown in Fig. 7 (a), the three-phase alternating current that carries out conversion at three-phase transformer 22 inputs to each unit power converter 10.For example, the 1st layer unit power converter 10a is electrically connected with the 1st layer secondary winding 28 of three-phase transformer 22, and the 2nd layer unit power converter 10b is electrically connected with the 2nd layer secondary winding 28 of three-phase transformer 22.Moreover, became to complicated for fear of accompanying drawing, in Fig. 7 (a), omit the 3rd layer of later distribution of three-phase transformer 22.
The secondary winding 28 of three-phase transformer 22 is electrically connected with unit power converter 10 through distribution, terminal base 40 and distribution.Here, if be conceived to being electrically connected between terminal base 40 and the unit power converter 10, then each unit power converter 10 is corresponding with 3 distributions and 3 conductive parts 44.Here, conductive part 44 is configured to: flock together with 1 unit power converter, 10 corresponding per 3 conductive parts 44.
The sketch map of Fig. 7 (b) expression terminal base 40.Shown in Fig. 7 (b), terminal base 40 preferably has relatively approach tabular.Here, terminal base 40 has the rectangular shape by these 3 limit defineds of limit 40x, 40y and 40z, the length of the limit 40y parallel with vertical direction v greater than with the limit 40x of vertical direction v vertical interlaced, the length of 40z.For example the length of limit 40x is below the above 100mm of 30mm, and the length of limit 40y is below the above 1900mm of 1000mm, and the length of limit 40z is below the above 15mm of 6mm.In addition, the beeline of 44 adjacent of conductive parts is below the above 200mm of 45mm.
As an example, the length of limit 40x is about 40mm, and the length of limit 40y is about 1100mm, and the length of limit 40z is about 10mm, and the beeline that conductive part is 44 adjacent is about 45mm.In addition, as other examples, the length of limit 40x is about 40mm, and the length of limit 40y is about 1700mm, and the length of limit 40z is about 10mm, and the beeline that conductive part is 44 adjacent is about 45mm.
Moreover in the power-converting device 100 shown in Fig. 7 (a), though terminal base 40 is assembled in the front end of three-phase transformer 22, the utility model is not limited thereto.Do not talk with the situation that conductive part 44 contacts if ignore from the distribution of secondary winding 28 extensions, terminal base 40 also can be configured to not contact with three-phase transformer 22.For example, terminal base 40 also can be assembled in the framework that is provided with peristome 34a among the power supply disks 34.In addition, in Fig. 6 and Fig. 7 (a), though terminal base 40 is disposed in the framework of power supply disks 34, the utility model is not limited thereto.Terminal base 40 also can be disposed in the framework of power converter dish 32.
With reference to Fig. 8 and Fig. 9 the unit power converter 10 in the power-converting device 100 is described here.Fig. 8 representes the circuit diagram of unit power converter 10.Unit power converter 10 has rectification circuit 11, smoothing circuit 12, contrary device circuit 13.Rectification circuit 11 has switch element 11a, diode 11b, and smoothing circuit 12 has capacitor.Input to the alternating current of unit power converter 10, be transformed to direct current at rectification circuit 11, this galvanic voltage is in smoothing circuit 12 smoothings.Subsequently, direct current is transformed to the alternating current of certain frequency at inverter circuit 13.
Moreover, in unit power converter 10 shown in Figure 8,, direct current being transformed to alternating current once more though will input to after the alternating current of unit power converter 10 is transformed to direct current, the utility model is not limited thereto.Can with the alternating current Direct Transform alternating current of certain amplitude and certain frequency also.
Fig. 9 (a) expression directly is transformed to alternating current the circuit diagram of the unit power converter 10 of alternating current.Unit power converter 10 has input filter 14, bidirectional switch 15.Input filter 14 has reactor 14a (reactor), capacitor 14b.
Here, unit power converter 10 has 6 bidirectional switchs 15.Each bidirectional switch 15 contains 2 switch element 16a, 16b shown in Fig. 9 (b).For example, switch element 16a, 16b are contrary resistance IGBT (reverse blocking Insulated Gate Bipolar Transistor:RB-IGBT), and bidirectional switch 15 constitutes 2 RB-IGBT oppositely are connected in parallel.Moreover, also can use the body that is connected in series to replace the said RB-IGBT person of forming with IGBT and diode, and use with IGBT and diode be connected in parallel body with the forward contrary of IGBT the person of forming that is connected in series as bidirectional switch 15.
The unit power converter 10 that possesses the formation of above that kind is called matrix converter (matrix convertor).Unit power converter 10 shown in Figure 9 utilizes the whole current potential of three-phase of input to carry out pulse-width modulation (Pulse Width Modulation:PWM).Power-converting device 100 with such unit power converter 10 has regenerative function.
Moreover, with reference to Fig. 1～Fig. 7 in the previous explanation of doing, though a plurality of unit power converter 10 is arranged along vertical direction, the utility model is not limited thereto.A plurality of unit power converter 10 also can be along arranging with the different direction of vertical direction.For example, a plurality of unit power converter 10 also can be arranged along horizontal direction.
Figure 10 representes the sketch map of the power-converting device 100 of this execution mode.In power-converting device shown in Figure 10 100, a plurality of unit power converter 10 is arranged as row along the horizontal direction with vertical direction V vertical interlaced.Moreover, in such power-converting device 100, also can use with reference to Fig. 1～Fig. 9 in the identical formation of previous described power-converting device 100.
As an example, shown in Figure 11 (a), unit power converter 10 also can be disposed in the power converter dish 32.Perhaps; Shown in Figure 11 (b); Also can be that unit power converter 10 is disposed in the power converter dish 32; And, use the terminal base 40 of the distribution that unit power converter 10 and power supply unit 20 is electrically connected as the power supply unit 20 of the power supply of unit power converter 10 and relaying to be disposed in the power supply disks 34.Here, power converter dish 32 and power supply disks 34 are arranged along vertical direction v, and power converter dish 32 is disposed at the top of power supply disks 34.
Moreover power-converting device 100 also can further possess the parts of control unit power converter 10.
Figure 12 (a) representes the sketch map of the power-converting device 100 of this execution mode.Power-converting device 100 is except possessing: the power converter dish 32 with unit power converter 10; And have beyond the power supply disks 34 of power supply unit 20, also possess input terminal portion 33, control part 50, and control part 50 be disposed at the control panel 36 in other frameworks.The upper set of power converter dish 32 is equipped with hood 52.Power supply unit 20 passes through input terminal portion 33 by outside input AC.
In the power-converting device 100 shown in Figure 12 (a), unit power converter 10 is arranged as row along horizontal direction, and power converter dish 32 and power supply disks 34 are along vertical direction v adjacency.Here, control panel 36 is configured to and power converter dish 32 adjacency in the horizontal direction.Here, be used for being made as and power supply disks 34 adjacency in the horizontal direction with the outside terminal disc 38 that carries out the exchange of signal.
Figure 12 (b) representes the sketch map of the power-converting device 100 of this execution mode.In the power-converting device 100 shown in Figure 12 (b), unit power converter 10 is arranged as row along vertical direction v, and power converter dish 32, power supply disks 34 and control panel 36 are along the horizontal direction adjacency.The upper set of power converter dish 32 and power supply disks 34 is equipped with hood 52.
Moreover in above-mentioned explanation, though unit power converter 10 is arranged as row, the utility model is not limited thereto.For example, unit power converter 10 also can be arranged as by multirow and that multiple row constituted was rectangular.
Figure 13 representes the sketch map of the power-converting device 100 of this execution mode.The power-converting device 100 of this execution mode possesses unit power converter 10, power supply unit 20, dispose the power converter dish 32 of unit power converter 10, dispose power supply disks 34, the terminal base 40 of power supply unit 20.
Here, terminal base 40 is disposed in the power supply disks 34.By the distribution till power supply unit 20 to the terminal base 40 and by the distribution till terminal base 40 to the unit power converter 10, be electrically connected at terminal base 40 places.
Moreover in power-converting device shown in Figure 13 100, though terminal base 40 is disposed in the power supply disks 34, the utility model is not limited thereto.Terminal base 40 also can be configured in the power converter dish 32.
In addition, in power-converting device shown in Figure 13 100, though unit power converter 10 is arranged as by multirow and that multiple row constituted was rectangular, the utility model is not limited thereto.Unit power converter 10 also can be arranged as any appearance attitude.And in power-converting device shown in Figure 13 100, unit power converter 10 and power supply unit 20 are disposed in power converter dish 32 and the power supply disks 34 separately, but the utility model is not limited thereto.
Moreover in above-mentioned explanation, though that unit power converter 10 is connected to is multistage, the utility model is not limited thereto.Also can be 1 rank that are connected to of unit power converter 10.Unit power converter 10 also can be arranged as one and show 3.
In addition, for example, it is the type of 2.4kV level, 3kV level, 4.16kV level, 6kV level, 11kV level that power-converting device 100 has output voltage.When the number of the unit of power-converting device 100 power converter 10 is 6 a situation, power converter dress spring 100 is corresponding to 3kV level, 4.16kV level.In addition, when the number of unit power converter 10 is 9 a situation, power-converting device 100 is corresponding to the 6kV level, and when the number of unit power converter 10 is 15 a situation, power-converting device 100 is corresponding to the 11kV level.
According to the utility model, can simplify the distribution of the unit power converter in the power-converting device.Such a power-converting device is applicable to driving: use the alternating current motor as the power source of industry machine, field of household appliances and automobile or electric car etc.
Claims (9)
1. power-converting device, it possesses a plurality of unit power converter, and this power-converting device is characterised in that said a plurality of unit power converter is arranged as row.
2. power-converting device according to claim 1, wherein, said a plurality of unit power converter is transformed to single-phase alternating current with the three-phase alternating current of input separately.
3. power-converting device according to claim 1, wherein,
Said a plurality of unit power converter has the rectangular shape by the 2nd limit, the 1st limit and the 3rd limit defined separately,
The length on said the 1st limit of said rectangular shape is below the above 860mm of 700mm,
The length on said the 2nd limit of said rectangular shape is below the above 670mm of 620mm,
The length on said the 3rd limit of said rectangular shape is below the above 230mm of 150mm.
4. power-converting device according to claim 1 wherein, further possesses the power supply unit of said a plurality of unit power converter being supplied with alternating current.
5. power-converting device according to claim 4, wherein, said power supply unit contains transformer.
6. power-converting device according to claim 4 wherein, further possesses:
In framework, dispose the power converter dish of said a plurality of unit power converter; And
In other frameworks, dispose the power supply disks of said power supply unit.
7. power-converting device according to claim 6, wherein,
Said power converter dish and said power supply disks are configured to adjoin each other,
The said framework of said power converter dish, it is being provided with peristome with said power supply disks wall in opposite directions, and this peristome passes the distribution with said power supply unit and the electrical connection of said a plurality of unit power converter,
The said framework of said power supply disks, it is being provided with the peristome that said distribution passes with said power converter dish wall in opposite directions.
8. power-converting device according to claim 4 wherein, further possesses terminal base, and this terminal base relaying is with the distribution of said power supply unit and the electrical connection of said a plurality of unit power converter.
9. power-converting device according to claim 8, wherein,
Said terminal base has the rectangular shape by the 1st limit, the 2nd limit and the 3rd limit defined,
The length on said the 1st limit of said rectangular shape is below the above 100mm of 30mm,
The length on said the 2nd limit of said rectangular shape is below the above 1900mm of 1000mm,
The length on said the 3rd limit of said rectangular shape is below the above 15mm of 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200417675U CN202495880U (en) | 2012-02-09 | 2012-02-09 | Power conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200417675U CN202495880U (en) | 2012-02-09 | 2012-02-09 | Power conversion device |
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| CN202495880U true CN202495880U (en) | 2012-10-17 |
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| CN2012200417675U Expired - Lifetime CN202495880U (en) | 2012-02-09 | 2012-02-09 | Power conversion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809118A (en) * | 2018-07-09 | 2018-11-13 | 宝鸡文理学院 | A kind of power-converting device and electric power conversion method |
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2012
- 2012-02-09 CN CN2012200417675U patent/CN202495880U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809118A (en) * | 2018-07-09 | 2018-11-13 | 宝鸡文理学院 | A kind of power-converting device and electric power conversion method |
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Granted publication date: 20121017 |