CN103532348A - Functional unit cabinet of high-power semiconductor convertor - Google Patents
Functional unit cabinet of high-power semiconductor convertor Download PDFInfo
- Publication number
- CN103532348A CN103532348A CN201310498724.9A CN201310498724A CN103532348A CN 103532348 A CN103532348 A CN 103532348A CN 201310498724 A CN201310498724 A CN 201310498724A CN 103532348 A CN103532348 A CN 103532348A
- Authority
- CN
- China
- Prior art keywords
- unit
- cabinet
- functional unit
- current transformer
- unit cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Rectifiers (AREA)
Abstract
The invention discloses a functional unit cabinet of a high-power semiconductor convertor, which comprises a frame comprising a top rack and a bottom rack, wherein a plurality of partitions are arranged between the top rack and the bottom rack; and an inversion unit, a first control unit, a wave chopping unit, a second control unit and a rectification unit are sequentially mounted between every two adjacent partitions. Different frequency converter system requirements are met by effective separation and combination of functional units; the cabinet is transported and mounted in a packaging mode; the system integrity is ensured; each functional unit can be replaced in isolation and replacement modes when some functional unit has a fault; and the layout problem of a frequency converter system is effectively solved. In addition, due to a symmetrical structure layout mode, an energy flow of a circuit is more reasonable, and the output capability of the converter is effectively improved.
Description
Technical field
The present invention relates to electric and electronic technical field, in particular to a kind of large power semiconductor device current transformer functional unit cabinet.
Background technology
Along with developing rapidly of modern power electronics technology and Computer Control Technology, AC speed regulating has progressively replaced DC speed regulation, particularly in the last few years, along with developing rapidly of semiconductor device art, especially with igbt (IGBT), electron injection enhancement gate pole transistor (IEGT), gated thyristor (GTO), integral gate change transistor (IGCT) is developed rapidly for the large power all-controlled device of representative, the medium-high voltage frequency converter system being formed by them, excellent performance, can realize PWM inversion and PWM rectification, not only there is harmonic wave little, power factor also has significant improvement.Wherein, IGCT is the Novel power semiconductor device of a kind of high efficiency, high reliability, and in modern medium-high voltage frequency converter system, application at most.The most IGCT mesohigh power cabinets that occur are in the market mainly used in medium-high voltage frequency converter, have effectively realized electric machine speed regulation, have obtained the effect of highly significant aspect energy-conserving and environment-protective.
The frequency convertor system majority based on tri-level circuit occurring in the market consists of several power cells, is generally divided into the elementary cells such as control unit, rectification unit, inversion unit, copped wave unit, cooling unit, terminal unit (optional).Because the requirement of IGCT device application is harsher, in whole system, how effectively to distribute in the combination of a plurality of unit, there are a lot of schemes, majority is unitary structure or integral structure, but these two kinds of structures obviously exist various disadvantages.
Unitary structure cabinet only comprises the main circuit line of IGCT power model and associated, although this structure can be accomplished minimum dimension by power cabinet, but not only assembling trouble but also system reliability also will face very large risk in actual applications, because control section separates with power cabinet, in application, need at the scene all control cables to be connected with optical fiber, a large amount of cables connects not only wastes time and energy, greatly reduce efficiency of assembling, once and wiring mistake, tend to damage current transformer; If a large amount of signal cables are divided into 2 parts simultaneously, connect, also can greatly reduce and control the antijamming capability of cable to electromagnetism, so that can cause misreport of system fault and cause shutting down at extreme case interfering signal.
The power cabinet of integral structure be rectification, inversion and control three are partially integrated in to a cabinet within, owing to having adopted non-removable whole structural scheme, volume and weight is all very huge, transportation, lifting and installation are all very difficult, the power cabinet of this structure only can be realized the single-drive application of single motor simultaneously, cannot meet the application demands such as many transmissions, redundancy transmission and dual transmission conventional in current industrial circle.Therefore, the effective combination that how to realize whole power system distributes, and facilitates transportation, the installation of whole system and has overhauled the primary difficult problem into current IGCT tri-level power cabinet application, this all be there is no to good solution both at home and abroad.
In the frequency convertor system of the tri-level circuit forming at IGCT device, to each functional unit group close application two kinds of more compound modes compare: a kind of is cabinet of the fully integrated one-tenth of functional unit, the system forming is like this very huge, transportation and difficulty is installed, and be not easy to realize eliminating and the isolation of fault while breaking down; Another kind is that functional unit is completely separated, although distribute like this combination to solve individual unit cabinet smaller volume, transports more conveniently, and while installing at the scene, because the separation of functional unit, wiring is more loaded down with trivial details, and easily makes mistakes, and to debugging, makes troubles.
Therefore, on the distribution of systemic-function unit is integrated, a problem demanding prompt solution is that a kind of general frequency convertor system layout designs need to be provided, the simplification that makes it not only can meet transportation and the convenience of safeguarding but also can assurance system install.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of high power semi-conductor current transformer functional unit cabinet has been proposed, it comprises the framework consisting of upper frame and underframe, between described upper frame and described underframe, be provided with a plurality of baffles, between adjacent two baffles, inversion unit, the first control unit, copped wave unit, the second control unit, rectification unit are installed successively symmetrically, after wherein between unit, relevant circuit carried out adaptive connection before installing, whole packing is configured to remove from the secondary debugging needing while using.
According to current transformer functional unit cabinet of the present invention, it also comprises input filter unit, and described input filter unit is fixedly mounted on described rectification unit one side, for carrying out filtering to entering the AC signal of described functional unit cabinet.
According to current transformer functional unit cabinet of the present invention, it also comprises output filtering unit, and described output filtering unit is fixedly mounted on described inversion unit one side, for the AC signal of described functional unit cabinet output is carried out to filtering.
According to current transformer functional unit cabinet of the present invention, it also comprises water cooling unit, and described water cooling unit is located at described output filtering unit or described input filter unit one side, the heat producing while working for the unit of the described functional unit cabinet that dissipates.
According to current transformer functional unit cabinet of the present invention, the power device in described functional unit cabinet is the combination in any in rectifying tube, thyristor, IGBT, IEGT or IGCT.
According to current transformer functional unit cabinet of the present invention, for meeting the demand of capacity, described rectification unit is two, and described inversion unit is two, and copped wave unit is one.
The present invention designs a kind of effectively three-level converter system layout based on IGCT device just, by effective separation and the combination of functional unit, complete the frequency convertor system demand of different demands, in the mode of packing, transport and install simultaneously, the integrality of assurance system, the mode that can isolate and replace again when certain piece breaks down changes each functional unit, effectively solved the how problem of layout of frequency convertor system.
Because of the layout type of symmetrical structure, the energy flow of circuit is more reasonable, effectively raises the fan-out capability of current transformer simultaneously
The present invention has brought following beneficial effect:
1, using symmetric circuit theory as layout basis, circuit energy stream is more reasonable, has improved greatly system fan-out capability and stability;
2, the convenient transportation of integral structure and field adjustable, reduce the risk of bringing because of secondary connection debugging;
3, the optional layout of the cooling unit of the left and right sides and input, output, can be according to on-the-spot demand, and maximum possible is met customer need;
4, the structure of extendible capacity formula, has guaranteed that the tandem product of system is rich and varied, can meet different clients' demand.
Other features and advantages of the present invention will be set forth in the following description, and partly from specification, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in specification, claims and accompanying drawing.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, will do simple introduction to needed accompanying drawing in embodiment or description of the Prior Art below:
Fig. 1 has shown the main circuit diagram of typical friendship orthogonal high voltage converter;
Fig. 2 has shown high power semi-conductor current transformer functional unit cabinet schematic layout pattern according to an embodiment of the invention.
Embodiment
Below with reference to accompanying drawing, describe embodiments of the present invention in detail, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.It should be noted that, only otherwise form conflict, each feature in various embodiments of the present invention and each embodiment can mutually combine, and formed technical scheme is all within protection scope of the present invention.
As shown in Figure 1, the main circuit diagram that has wherein shown typical friendship orthogonal high voltage converter.According to concrete circuit purposes, can will hand over orthogonal high voltage converter to be divided into filtering, rectification, copped wave, four functions of inversion.Wherein filter function is matched as required, generally need to all add in input and output side.Typical configuration is as follows, conventionally in tri-level circuit, selects the mode of four-quadrant rectification, and the circuit topology of rectification and inversion is in full accord.The mode that therefore can flow according to circuit energy is carried out the mode of functional unit piecemeal and is carried out the design of frequency convertor system functional unit cabinet.Given this, functional unit cabinet is divided into altogether to input filter unit, rectification unit, copped wave unit, inversion unit, output filtering unit.Because hand over the symmetry of orthogonal high voltage converter circuit, all can as input as input and right side in left side.Therefore, what the present invention protected is a kind of symmetric placement scheme, is regardless of and is limited to left side as input or output.
Concrete layout as shown in Figure 2.In Fig. 2, shown a kind of high power semi-conductor current transformer functional unit cabinet, it comprises the framework consisting of upper frame and underframe.Between upper frame and underframe, be provided with a plurality of baffles, between adjacent two baffles, inversion unit, the first control unit, copped wave unit, the second control unit, rectification unit be installed successively symmetrically.
According to integral structure of the present invention, each element circuit connects is not played short and switching, from electromagnetic compatibility angle, considers to be difficult for introducing to disturb, particularly more obvious for this advantage of powerful application.
In one embodiment, functional unit cabinet also can comprise input filter unit, and input filter unit is fixedly mounted on rectification unit one side, for the AC signal of entered function unit cabinet is carried out to filtering.
In one embodiment, functional unit cabinet also comprises output filtering unit, and output filtering unit is fixedly mounted on inversion unit one side, for the AC signal of functional unit cabinet output is carried out to filtering.
In one embodiment, functional unit cabinet also comprises water cooling unit, and cold unit is located at described output filtering unit or described input filter unit one side, the heat producing while working for the unit of the described functional unit cabinet that dissipates.Because, general IGCT high voltage converter adopts the mode of water-cooled to carry out cooling heat dissipation, if so words of this layout configurations cooling unit, can adopt left side as cooling unit layout or right side the mode as cooling unit layout, water cooling unit, as unitary part, directly thoroughly does away with at the scene the difference of power grade and matches in application.Notice that water cooling unit is as apolegamy part, if adopt the air-cooled independent apolegamy that do not need.
Water cooling unit is integrated in this power cabinet, avoided secondary circuit debugging and cooling system to reconnect the operating process with pressurize, thereby reduced the risk of leakage cooling fluid.
According to the present invention, the power device in current transformer functional unit cabinet can be the combination in any in rectifying tube, thyristor, IGBT, IEGT or IGCT.
According to current transformer functional unit cabinet of the present invention, for meeting the needs of dilatation, rectification unit can be arranged as to two, inversion unit is arranged two, copped wave cell layout is one.But the invention is not restricted to this, as long as can meet capacity requirement, and be arranged symmetrically with and all do not affect realization of the present invention.The mode of integral layout of the present invention, unit independent distribution is convenient to System Expansion and combination, and subelement can adopt standard cell, reduces the workload of overlapping development.
This system is carried out symmetry layout designs on the basis of circuit theory, functional unit is as integrative-structure, guarantee that circuit connects safe and reliable, after being transported to scene, complicated back panel wiring connection need to do not carried out, improve greatly the fault that efficiency and system produce because of wiring error, guaranteed stability and the continuity of system debug.After dispatching from the factory and having debugged, do not need again at the scene secondary debugging.And adopt traditional unit to break up field-installed mode, and need to carry out secondary debugging, increase engineering workload.
Therefore, adopt power cabinet of the present invention, the convenient entire package that adopts is transported, and has reduced the connection that cannot meet circuit and pipeline because of alignment error, reduces installation requirement, improves installation effectiveness.
Although the disclosed execution mode of the present invention as above, the execution mode that described content just adopts for the ease of understanding the present invention, not in order to limit the present invention.Technical staff in any the technical field of the invention; do not departing under the prerequisite of the disclosed spirit and scope of the present invention; can do any modification and variation what implement in form and in details; but scope of patent protection of the present invention, still must be as the criterion with the scope that appending claims was defined.
Claims (6)
1. a high power semi-conductor current transformer functional unit cabinet, is characterized in that, comprising:
The framework being formed by upper frame and underframe, between described upper frame and described underframe, be provided with a plurality of baffles, some inversion units, the first control unit, some copped waves unit, the second control unit, some rectification units are installed between adjacent two baffles successively symmetrically, in order to energy Rational flow, after wherein between unit, relevant circuit carried out adaptive connection before installing, whole packing is configured to remove from the secondary debugging needing while using.
2. current transformer functional unit cabinet as claimed in claim 1, it is characterized in that, described unit cabinet also comprises input filter unit, and described input filter unit is fixedly mounted on described rectification unit one side, for carrying out filtering to entering the AC signal of described functional unit cabinet.
3. current transformer functional unit cabinet as claimed in claim 1, is characterized in that, also comprises output filtering unit, and described output filtering unit is fixedly mounted on described inversion unit one side, for the AC signal of described functional unit cabinet output is carried out to filtering.
4. current transformer functional unit cabinet as claimed in claim 1, it is characterized in that, also comprise water cooling unit, described water cooling unit is located at described output filtering unit or described input filter unit one side, the heat producing while working for the unit of the described functional unit cabinet that dissipates.
5. the current transformer functional unit cabinet as described in any one in claim 1-4, is characterized in that, the power device in described functional unit cabinet is the combination in any in rectifying tube, thyristor, IGBT, IEGT or IGCT.
6. the current transformer functional unit cabinet as described in any one in claim 1-4, is characterized in that, described rectification unit is two or more, and described inversion unit is two or more, and copped wave unit is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310498724.9A CN103532348A (en) | 2013-10-22 | 2013-10-22 | Functional unit cabinet of high-power semiconductor convertor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310498724.9A CN103532348A (en) | 2013-10-22 | 2013-10-22 | Functional unit cabinet of high-power semiconductor convertor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103532348A true CN103532348A (en) | 2014-01-22 |
Family
ID=49934116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310498724.9A Pending CN103532348A (en) | 2013-10-22 | 2013-10-22 | Functional unit cabinet of high-power semiconductor convertor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103532348A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919804A (en) * | 2017-12-20 | 2018-04-17 | 西安中车永电电气有限公司 | A kind of diesel locomotive rectification copped wave phase power module |
| CN107919804B (en) * | 2017-12-20 | 2024-04-30 | 西安中车永电电气有限公司 | Rectifying chopper phase power module of diesel locomotive |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051793A (en) * | 2007-05-21 | 2007-10-10 | 哈尔滨九洲电气股份有限公司 | Megawatt direct driving type wind and electric joint-net current transformer |
| CN101710789A (en) * | 2009-12-03 | 2010-05-19 | 华章电气（桐乡）有限公司 | Megawatt-level permanent magnet direct-drive wind-force generating converter and control method |
| CN201626319U (en) * | 2010-02-03 | 2010-11-10 | 株洲南车时代电气股份有限公司 | Traction converter |
| CN102044985A (en) * | 2009-10-15 | 2011-05-04 | 株洲南车时代电气股份有限公司 | Phase module for three-level integrated gate-commutated thyristor frequency converter |
| CN102158057A (en) * | 2011-04-01 | 2011-08-17 | 株洲南车时代电气股份有限公司 | Modularized power cabinet |
| CN202085082U (en) * | 2011-06-14 | 2011-12-21 | 株洲南车时代电气股份有限公司 | Traction converter |
| JP2012005279A (en) * | 2010-06-18 | 2012-01-05 | Fuji Electric Co Ltd | Power converter |
| CN202260972U (en) * | 2011-07-20 | 2012-05-30 | 株洲南车时代电气股份有限公司 | Platformized converter device |
| US20130002186A1 (en) * | 2010-02-17 | 2013-01-03 | Fuji Electric Co., Ltd. | Power converter |
| CN202856629U (en) * | 2012-09-24 | 2013-04-03 | 株洲南车时代电气股份有限公司 | Locomotive converter |
| CN103124132A (en) * | 2011-11-18 | 2013-05-29 | 永济新时速电机电器有限责任公司 | Locomotive traction converter |
| CN103178721A (en) * | 2013-04-07 | 2013-06-26 | 冶金自动化研究设计院 | High-capacity five-level converter power cabinet |
| CN203219169U (en) * | 2013-05-08 | 2013-09-25 | 株洲南车时代电气股份有限公司 | Converter device |
-
2013
- 2013-10-22 CN CN201310498724.9A patent/CN103532348A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051793A (en) * | 2007-05-21 | 2007-10-10 | 哈尔滨九洲电气股份有限公司 | Megawatt direct driving type wind and electric joint-net current transformer |
| CN102044985A (en) * | 2009-10-15 | 2011-05-04 | 株洲南车时代电气股份有限公司 | Phase module for three-level integrated gate-commutated thyristor frequency converter |
| CN101710789A (en) * | 2009-12-03 | 2010-05-19 | 华章电气（桐乡）有限公司 | Megawatt-level permanent magnet direct-drive wind-force generating converter and control method |
| CN201626319U (en) * | 2010-02-03 | 2010-11-10 | 株洲南车时代电气股份有限公司 | Traction converter |
| US20130002186A1 (en) * | 2010-02-17 | 2013-01-03 | Fuji Electric Co., Ltd. | Power converter |
| JP2012005279A (en) * | 2010-06-18 | 2012-01-05 | Fuji Electric Co Ltd | Power converter |
| CN102158057A (en) * | 2011-04-01 | 2011-08-17 | 株洲南车时代电气股份有限公司 | Modularized power cabinet |
| CN202085082U (en) * | 2011-06-14 | 2011-12-21 | 株洲南车时代电气股份有限公司 | Traction converter |
| CN202260972U (en) * | 2011-07-20 | 2012-05-30 | 株洲南车时代电气股份有限公司 | Platformized converter device |
| CN103124132A (en) * | 2011-11-18 | 2013-05-29 | 永济新时速电机电器有限责任公司 | Locomotive traction converter |
| CN202856629U (en) * | 2012-09-24 | 2013-04-03 | 株洲南车时代电气股份有限公司 | Locomotive converter |
| CN103178721A (en) * | 2013-04-07 | 2013-06-26 | 冶金自动化研究设计院 | High-capacity five-level converter power cabinet |
| CN203219169U (en) * | 2013-05-08 | 2013-09-25 | 株洲南车时代电气股份有限公司 | Converter device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919804A (en) * | 2017-12-20 | 2018-04-17 | 西安中车永电电气有限公司 | A kind of diesel locomotive rectification copped wave phase power module |
| CN107919804B (en) * | 2017-12-20 | 2024-04-30 | 西安中车永电电气有限公司 | Rectifying chopper phase power module of diesel locomotive |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102158057B (en) | Modularized power cabinet | |
| US9634573B2 (en) | Power converter including two converter circuit modules sharing one DC capacitor module | |
| CN103441691B (en) | A kind of mode of resonance electronic power convertor and converter device | |
| US9093923B2 (en) | Three-level converter having phase bridge arm | |
| US9373995B2 (en) | Basic function unit of voltage-source converter based on full-controlled devices | |
| US10181799B2 (en) | Hybrid back-to-back direct current transmission system and power flow reversal control method | |
| CN105450042A (en) | Three-level power converter and power unit thereof | |
| CN103036452B (en) | Submodule unit of voltage source transverter based on full control components | |
| CN204103780U (en) | Three level power converter and power cell thereof | |
| CN103354232A (en) | Parallel sub-module for VSC-HVDC (voltage source converter high voltage direct current) | |
| CN104201867A (en) | Three-level IGBT power cabinet based on heat pipe radiator | |
| CN105763076A (en) | Water-cooling type power unit | |
| CN105071638B (en) | A kind of two electrical level power modules based on IGCT | |
| CN107911034A (en) | A kind of tri-level inversion power module of marine converter | |
| CN103178721B (en) | A kind of high-capacity five-level converter power cabinet | |
| CN108347051A (en) | A kind of mixing multiport electric and electronic power adjuster | |
| CN106655850A (en) | Modular multilevel converter for eliminating low-frequency voltage fluctuation | |
| CN103532348A (en) | Functional unit cabinet of high-power semiconductor convertor | |
| CN208078908U (en) | A kind of locomotive unsteady flow power cell | |
| CN103166478B (en) | A kind of high-tension integral gate change transistor five level power cabinet | |
| CN107911033A (en) | Optimize the design method and locomotive unsteady flow power cell of main circuit totality stray inductance | |
| CN207150445U (en) | A kind of high-power front maintenance type converter valve power unit structure | |
| CN110311543A (en) | Topology reconstruction and its power-factor angle calculation method when cascaded H-bridges converter failure | |
| CN204046444U (en) | A kind of three level IGBT converter | |
| CN205647282U (en) | Compact power module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140122 |
|
| RJ01 | Rejection of invention patent application after publication |