CN202395665U - Four-quadrant integrated drawer type power unit of medium-high voltage frequency converter - Google Patents
Four-quadrant integrated drawer type power unit of medium-high voltage frequency converter Download PDFInfo
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- CN202395665U CN202395665U CN2011204862841U CN201120486284U CN202395665U CN 202395665 U CN202395665 U CN 202395665U CN 2011204862841 U CN2011204862841 U CN 2011204862841U CN 201120486284 U CN201120486284 U CN 201120486284U CN 202395665 U CN202395665 U CN 202395665U
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- power unit
- side power
- power cell
- quadrant
- frequency converter
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Abstract
The utility model discloses a four-quadrant integrated drawer type power unit of a medium-high voltage frequency converter, relating to the field of the four-quadrant of a medium-high voltage frequency converter. The four-quadrant integrated drawer type power unit comprises a rectifying side power unit, an inverting side power unit, resistors, capacitors and a sectional material radiator; the four-quadrant integrated drawer type power unit is characterized in that the rectifying side power unit, the inverting side power unit and the resistors are arranged on the sectional material radiator, the capacitors are arranged at the two sides of the sectional material radiator, and the rectifying side power unit, the inverting side power unit, the resistors, the capacitors and the sectional material radiator are arranged in a drawer; and the rectifying side power unit, the inverting side power unit, the resistors and the capacitors are respectively connected with a compound bus arranged in the drawer. The four-quadrant integrated drawer type power unit of the medium-high voltage frequency converter has the advantages of compact structure, small occupied space, convenience in circuit connection, modular design, and convenience in expansion and serialized application.
Description
Technical field
The utility model relates to mesohigh frequency converter four-quadrant field, relates in particular to the integrated drawer type power cell of a kind of mesohigh frequency converter four-quadrant.
Background technology
In the prior art, the switching cabinet of frequency converter, control cubicle, transformer case, reactor cabinet, frequency conversion power unit cabinet are independent cabinet, and rectification unit and inversion unit also are unit separately.Its spatial placement form is to be arranged in order; Switching cabinet is connected through control line, cable respectively with control cubicle, transformer case, reactor cabinet.The frequency conversion power unit cabinet is connected through cable respectively with transformer case reactor cabinet, because the layout of existing structure, causes that line is long each other, and is staggered complicated, is not easy to assembling and keeps in repair; IGBT power device, electric capacity, resistance constant power element all adopt conventional side connecting conductor formula to be welded on the base plate in the frequency conversion four-quadrant power cell cabinet, can't satisfy frequency converter four-quadrant modularized design requirement, are inconvenient to expand with seriation use.
The utility model content
The purpose of the utility model provides the integrated drawer type power cell of a kind of mesohigh frequency converter four-quadrant; Rectification side and inversion side power cell and radiator, resistance, electric capacity are arranged in the drawer-type structure; Compact conformation, take up room little, circuit connection is easy; Modularized design is convenient to expansion and seriation and is used.
For realizing above-mentioned purpose, the utility model is realized through following technical scheme:
The integrated drawer type power cell of a kind of mesohigh frequency converter four-quadrant; Comprise rectification side power cell, inversion side power cell, resistance, electric capacity, Section Bar Heat Sinks; It is characterized in that; Described rectification side power cell, inversion side power cell, resistance are arranged on the Section Bar Heat Sinks, and electric capacity is positioned at the both sides of Section Bar Heat Sinks, and rectification side power cell, inversion side power cell, resistance, electric capacity, Section Bar Heat Sinks place in the drawer; Rectification side power cell, inversion side power cell, resistance, electric capacity respectively with drawer in the composite bus bar that is provided be connected.
Described drawer shell is provided with input socket and accessory power outlet, and input socket, input copper bar are connected with rectification side power cell, and accessory power outlet, output copper bar are connected with inversion side power cell.
Compared with prior art, the beneficial effect of the utility model is:
1) the whole integral structure that adopts, controlled rectification power cell and inverter power unit are realized in a drawer.
2) drawer-type structure is compact, satisfies the modular designing requirement of frequency converter, and the power cell of every phase configuration varying number can be produced the frequency converter of different capabilities, and highly versatile is convenient to the expanded application of the production reserve and the tandem product of power cell.
3) adopt Section Bar Heat Sinks, good heat dissipation effect, the standardization member, cost is low.
4) unification of four-quadrant power component is arranged on the plate shaped composite bus bar, and is easy for installation regular.
5) the input copper bar adopts a standardization moulding with the output copper bar, satisfies space angle and shape need when laying, compactness easy for installation.
6) the four-quadrant unit adopts the plug connector connected mode in the frequency converter, assembling, easy to maintenance, and layout is regular.
7) four-quadrant controlled rectification power cell and inverter power unit integral drawer-type structure can be realized the integrated of mesohigh four-quadrant frequency converter cabinet, have both switched cabinet, control cubicle, and power cabinet, the reactor cabinet is in a cabinet.
Description of drawings
Fig. 1 is the circuit theory diagrams of four-quadrant power cell;
Fig. 2 is the structural plan of four-quadrant power cell;
Fig. 3 is the drawer cut-away view that the four-quadrant power cell is not installed;
Fig. 4 is the mounting structure figure of four-quadrant power cell and radiator and drawer;
Fig. 5 is four-quadrant power cell and heat sink mounting structure figure.
Among the figure: 1-rectification side composite bus bar 2-input copper bar (A phase) 3-input copper bar (B phase) 4-input copper bar (C phase) 5-input socket 6-output copper bar (U) 7-inversion side composite bus bar 8-output copper bar (V) 9-accessory power outlet 10-electric capacity 11-inversion side radiator 12-rectification side radiator 13-drawer 14-resistance 15-rectification side IGBT 16-temperature switch 17-inversion side IGBT IGBT1; IGBT2; IGBT3-rectification side power device IGBT4; IGBT5-inversion side power device C-electric capacity
Embodiment
Below in conjunction with accompanying drawing the technology contents of the utility model is done further explain.
Seeing Fig. 1-Fig. 5, is the utility model example structure sketch map.The integrated drawer type power cell of mesohigh frequency converter four-quadrant; Comprise power component rectification side IGBT 15, inversion side IGBT 17, electric capacity 10, temperature switch 16, resistance 14; Above-mentioned power component is co-located in the drawer type shell 13; And rectification side IGBT 15, resistance 14, temperature switch 16 are arranged on the rectification side radiator 12, and inversion side IGBT 17, resistance, temperature switch are arranged on the inversion side radiator 11.Electric capacity 10 is arranged on the both sides of rectification side radiator 12 and inversion side radiator 11.
In drawer 13, rectification side IGBT 15, electric capacity 10, resistance 14 are connected with rectification side composite bus bar 1, and inversion side IGBT 17, electric capacity, resistance are connected with inversion side composite bus bar 7.Also be respectively equipped with input socket 5 and accessory power outlet 9 on the shell of drawer 13; Be connected with three phase rectifier side IGBT15 respectively through input socket 5 and three-phase input copper bar 2, input copper bar 3, input copper bar 4, inversion side IGBT 17 is connected with accessory power outlet 9 through output copper bar 6, output copper bar 8.Plate shaped rectification side composite bus bar 1 had both provided support power component as base plate with plate shaped inversion side composite bus bar 7, had the effect of line again, also power component was played the effect of shielding simultaneously.
The shell of drawer 13 adopts input socket 5 and accessory power outlet 9 with outside the connection; Easy maintenance and installation; Be applicable in the mesohigh frequency converter of modularized design that the integrated drawer type power cell of four-quadrant can be expanded easily in multiple voltage and power grade frequency converter.
Claims (2)
1. integrated drawer type power cell of mesohigh frequency converter four-quadrant; Comprise rectification side power cell, inversion side power cell, resistance, electric capacity, Section Bar Heat Sinks; It is characterized in that; Described rectification side power cell, inversion side power cell, resistance all are arranged on the Section Bar Heat Sinks, and electric capacity is positioned at the both sides of Section Bar Heat Sinks, and rectification side power cell, inversion side power cell, resistance, electric capacity, Section Bar Heat Sinks place in the drawer; Rectification side power cell, inversion side power cell, resistance, electric capacity respectively with drawer in the composite bus bar that is provided be connected.
2. the integrated drawer type power cell of a kind of mesohigh frequency converter four-quadrant according to claim 1; It is characterized in that; Described drawer shell is provided with input socket and accessory power outlet; Input socket, input copper bar are connected with rectification side power cell, and accessory power outlet, output copper bar are connected with inversion side power cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204862841U CN202395665U (en) | 2011-11-29 | 2011-11-29 | Four-quadrant integrated drawer type power unit of medium-high voltage frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204862841U CN202395665U (en) | 2011-11-29 | 2011-11-29 | Four-quadrant integrated drawer type power unit of medium-high voltage frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202395665U true CN202395665U (en) | 2012-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204862841U Expired - Fee Related CN202395665U (en) | 2011-11-29 | 2011-11-29 | Four-quadrant integrated drawer type power unit of medium-high voltage frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202395665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403912A (en) * | 2011-11-29 | 2012-04-04 | 辽宁荣信电气传动技术有限责任公司 | Four-quadrant integrated drawer type power unit of medium and high voltage frequency converter |
| CN105490508A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | High-voltage frequency converter power unit |
-
2011
- 2011-11-29 CN CN2011204862841U patent/CN202395665U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403912A (en) * | 2011-11-29 | 2012-04-04 | 辽宁荣信电气传动技术有限责任公司 | Four-quadrant integrated drawer type power unit of medium and high voltage frequency converter |
| CN105490508A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | High-voltage frequency converter power unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 114051 Anshan high tech Zone, Liaoning province science and technology road, No. 108 Patentee after: Wolong electric group Liaoning Rongxin electric drive Co., Ltd. Address before: 114051 Anshan high tech Zone, Liaoning province science and technology road, No. 108 Patentee before: Liaoning Rongxin Electric Drive Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20161129 |