CN104701096B - A kind of dc circuit breaker bridge-type module - Google Patents
A kind of dc circuit breaker bridge-type module Download PDFInfo
- Publication number
- CN104701096B CN104701096B CN201410848772.0A CN201410848772A CN104701096B CN 104701096 B CN104701096 B CN 104701096B CN 201410848772 A CN201410848772 A CN 201410848772A CN 104701096 B CN104701096 B CN 104701096B
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- CN
- China
- Prior art keywords
- circuit breaker
- igbt
- type module
- bridge
- module
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
- H01H2009/526—Cooling of switch parts of the high voltage switches
Abstract
The invention discloses a kind of dc circuit breaker bridge-type module, the dc circuit breaker bridge-type module includes IGBT press fittings unit, capacitor bank, laminated bus bar, control unit, supply unit and support frame, the capacitor bank is pressed unit by the laminated bus bar and the IGBT and is electrically connected, the capacitor bank is connected with described control unit and the supply unit, and IGBT press fittings unit, the capacitor bank, the laminated bus bar, described control unit and the supply unit are located in the support frame.The quick-fried swollen hidden danger under traditional welding formula module is nonserviceabled is eliminated by technical scheme provided by the invention, module integrated level is greatly improved, reduces module cumulative volume；Due to voltage spikes of the module when turning off high current is effectively reduced, while larger area of dissipation is also provided for control unit.
Description
Technical field
The present invention relates to a kind of dc circuit breaker for manufacturing direct current network, and in particular to a kind of dc circuit breaker bridge-type mould
Block.
Background technology
In the power system that the capacity such as power plant, transformer station are big, voltage is high, straight-flow system be relay protection, operational control,
The equipment such as signal sound equipment and emergency lighting provides reliable power supply, and as one of most important component in straight-flow system
Small-sized DC circuit breaker, its reliable and stable operation will directly ensure the safety of whole power system；Development of information industry
The great development of the dc source industry such as communication power supply, EPS, UPS is welcome, base station, data center appear in as emerging rapidly in large numbersBamboo shoots after a spring rain
On Divine Land, in order to ensure the requirement of the high precision of dc source, as most important in feeding circuit at different levels in dc source
Operation and protect the dc circuit breaker of component, coordinated with its reliable selectively grading to protection equipment, limitation accident model
Impale very important effect；Urban track traffic system is typically powered with straight-flow system at present.And its dc source is most
There is provided by high-power silicon rectifier device, silicon rectifier device component is because overload capacity is low, so protecting component to direct current network
Requirement it is higher.The direct current definite purpose circuit breaker quickly analyzed is the Important Components in track traffic
The most basic component units of dc circuit breaker are breaker bridge-type module.Bridge-type module is in normal work, module
Carry conducting high current（More than 1kA）Work.And when failure occurs, bridge-type module one side is in a short time（2ms）
Undertake high fault current（More than 10kA）, on the other hand then can be by the IGBT device in control module, to realize electricity
The transfer and disjunction of stream.
Existing high-voltage large-capacity power electronic product, such as dc circuit breaker, STATOM, UPFC and the flexible DC power transmission change of current
Valve etc., bridge-type module therein use solder type IGBT device more, although and the design of this generic module and production are more ripe,
But still there are shortcomings：
1) failure mode shows as open circuit, and easily occurs when breaking down quick-fried swollen；
2) device itself parasitic parameter is larger, is connected in module between each IGBT by longer busbar, causes bridge-type module
Overall parasitic parameter（Stray inductance, parasitic capacitance）Control it is extremely difficult, be also easy to produce excessively stream and it is over-pressed phenomena such as；
3) when welded type IGBT is applied in bridge-type module, because each IGBT spacing is by circumferential component（Laminated bus bar, radiating
Device etc.）Influence, arrangement when, the power capacity in bridge-type module unit volume can not be improved.
The operation principle and environment of dc circuit breaker cause existing modular unit structure can not be applied to direct current interruption again
Device.
Accordingly, it is desirable to provide a kind of technical scheme overcomes above at least one defect.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of dc circuit breaker bridge-type module, the dc circuit breaker bridge
Formula module includes IGBT press fittings unit, capacitor bank, laminated bus bar, control unit, supply unit and support frame, the electric capacity
Device group is pressed unit by the laminated bus bar and the IGBT and be connected, the shell and described control unit of the capacitor bank and
The supply unit connection, it is characterised in that the IGBT press fittings unit, the capacitor bank, the laminated bus bar, the control
Unit processed and the supply unit are located in the support frame.
Preferably, the IGBT is pressed unit by four compression joint type IGBT, water cooling panel radiator, gate units, outlet
Busbar and press mounting structure part composition, the compression joint type IGBT are arranged alternately with the water cooling panel radiator, the gate units
It is connected with the water cooling panel radiator, the outgoing line busbar is overlayed in the cooled plate of the water cooling panel radiator, described
Press mounting structure part is connected by four metal pull bars.
Preferably, the gate units are connected using inserting mode with the water cooling panel radiator.
Preferably, access bypass IGCT between the outgoing line busbar.
Preferably, the press mounting structure part is two, and four metal pull bars cross four of the press mounting structure part
Angle, the both ends of the metal pull bar are fixed on to the outer surface of described two press mounting structure parts by nut.
Preferably, four compression joint type IGBT and capacitor bank topology are H bridge structures.
Preferably, the outgoing line busbar and the laminated bus bar are copper bus-bar.
Preferably, the support frame is aluminum metal welding structure framework.
Preferably, the inductance value of the dc circuit breaker bridge-type module is in below 40nH.
With immediate prior art ratio, beneficial effects of the present invention are：
1. eliminating the quick-fried swollen hidden danger under traditional welding formula module is nonserviceabled using compression joint type IGBT, pass through simultaneously
Pressing type structure, module integrated level can be largely improved, reduce module cumulative volume；
2. pressing type respective outer side edges laminated bus bar can control module stray inductance in below 40nH, effectively reduce
Due to voltage spikes of the module when turning off high current；
3. the integrated compact design of the module can be realized realizes bigger transducing power in equal modules volume
Or module volume is greatly reduced under identical transducing power, capacitor and control unit and the structure assembly of supply unit, together
When larger area of dissipation can also be provided for control unit.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is figure dc circuit breaker bridge-type module positive structure schematic of the present invention；
Fig. 2 is figure dc circuit breaker bridge-type module backside structural representation of the present invention；
Fig. 3 is the front view of figure dc circuit breaker bridge-type module of the present invention；
Fig. 4 is the electrical structure diagram of figure dc circuit breaker bridge-type module of the present invention；
Description of reference numerals：1- gate units；2-IGBT is pressed unit；3- capacitor banks；4- laminated bus bars；5- bypasses are brilliant
Brake tube；6- outgoing line busbars；7- supply units；8- support frames.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
In order to thoroughly understand the embodiment of the present invention, detailed structure will be proposed in following description.Obviously, the present invention is real
The execution for applying example is not limited to the specific details that those skilled in the art is familiar with.Presently preferred embodiments of the present invention is retouched in detail
State it is as follows, but except these detailed description in addition to, the present invention can also have other embodiment.
Reference picture 1- Fig. 3, Fig. 1 are figure dc circuit breaker bridge-type module positive structure schematic of the present invention；Fig. 2 is the present invention
Figure dc circuit breaker bridge-type module backside structural representation；Fig. 3 is the front view of figure dc circuit breaker bridge-type module of the present invention.Figure
In dc circuit breaker bridge-type module, including IGBT press fittings unit 2, capacitor bank 3, laminated bus bar 4, control unit, energy supply be single
Member and support frame 8, the capacitor bank 3 is pressed unit 2 with the IGBT by the laminated bus bar 4 and is electrically connected, described
The shelling machine interface of capacitor bank 3 is connected with described control unit and the supply unit, the IGBT press fittings unit 2, institute
Capacitor bank 3, the laminated bus bar 4, described control unit and the supply unit is stated to be located in the support frame 8；Stacking
Busbar 4 uses common copper bus-bar, can effectively reduce influence of the stray parameter for modular electrical performance.
The IGBT is pressed unit 2 by four compression joint type IGBT, water cooling panel radiator, gate units 1, outgoing line busbar 6
Formed with press mounting structure part, the compression joint type IGBT is stacked alternately installation, the gate units 1 with the water cooling panel radiator
On the special purpose interface of the water cooling panel radiator, the outgoing line busbar 6 uses common copper bus-bar, overlays described
In the cooled plate of water cooling panel radiator, the press mounting structure part provides pressure assembling force, described metal by four metal pull bars
Pull bar connection is fastened in two end flanges；The gate units 1 are fixed on the water cooling by the way of grafting and side fastening
On the special purpose interface of panel radiator, electrical contact reliability can be improved, is easy to Fast Installation to change；The compression joint type IGBT by
In its own design form, short trouble state can be formed when failure produces, it is entirely avoided traditional welding formula device breaks
Quick-fried swollen phenomenon caused by the formula failure of road.
The connected applications of crimp type IGBT and laminated bus bar 4 significantly reduce the stray inductance in loop, the IGBT pressures
Dress unit leads to module-external via outgoing line busbar 6, and bypass IGCT 5 in parallel is in case failure removal between the outgoing line busbar 6
Need, the gate units 1 and module control system provide required energy by energy supplying system 7, all parts are fixed on into branch
On support frame frame 8, the support frame 8 is aluminum metal welding structure framework, for integral module provide installation fixed interface and effectively
Support, it is overall so as to form complete module.
Four metal pull bars for crossing four angles are provided with four angles of the press mounting structure part, pass through four gold
Belong to pull bar and pressure assembling force is provided, the connection of described metal pull bar is fastened in two end flanges.
Fig. 4 is the electrical structure diagram of figure dc circuit breaker bridge-type module of the present invention.Reference picture 2, dc circuit breaker module are opened up
Flutter as H bridge structures, including four high-power IGBT devices, and a transfer commutation electricity container, described high-power IGBT
With capacitor bank into H bridge topological structures.
Using the breaker module of this structure because avoiding the quick-fried swollen phenomenon under malfunction using compression joint type IGBT,
Module integrated level can be largely improved, reduces module cumulative volume；Because the realization using press fitting is direct between IGBT
The stray parameter reduced between device of type of attachment high degree, module stray inductance can be controlled in below 40nH, had
Effect reduces due to voltage spikes of the module when turning off high current；The integrated of module is improved while discharge capacity is increased simultaneously
Degree, greatly promotes the power in equal modules volume；The integrated compact design of the module can be realized in equal modules
Bigger transducing power or module volume is greatly reduced under identical transducing power in volume, capacitor and control unit and confession
The structure assembly of energy unit, while larger area of dissipation can also be provided for control unit.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
The present invention is described in detail with reference to above-described embodiment for pipe, and those of ordinary skill in the art still can be to this hair
Bright embodiment is modified or equivalent substitution, these without departing from spirit and scope of the invention any modification or
Equivalent substitution, applying within pending claims.
Claims (8)
1. a kind of dc circuit breaker bridge-type module, the dc circuit breaker bridge-type module includes IGBT press fitting units（2）, capacitor
Group（3）, laminated bus bar（4）, control unit, supply unit（7）And support frame（8）, the capacitor bank（3）Pass through the layer
Folded busbar（4）It is pressed unit with the IGBT（2）Connection, the capacitor bank（3）Shell and described control unit and described
Supply unit（7）Connection, it is characterised in that the IGBT is pressed unit（2）, the capacitor bank（3）, the laminated bus bar
（4）, described control unit and the supply unit（7）Positioned at the support frame（8）On；
The IGBT is pressed unit by four compression joint type IGBT, water cooling panel radiator, gate units（1）, outgoing line busbar（6）With
Press mounting structure part is formed, and the compression joint type IGBT is arranged alternately with the water cooling panel radiator, the gate units（1）With institute
State the connection of water cooling panel radiator, the outgoing line busbar（6）In the cooled plate for overlaying the water cooling panel radiator, the pressure
Assembling structure part is connected by four metal pull bars.
2. dc circuit breaker bridge-type module according to claim 1, it is characterised in that the gate units（1）Using slotting
Mode is connect to be connected with the water cooling panel radiator.
3. dc circuit breaker bridge-type module according to claim 1, it is characterised in that the outgoing line busbar（6）It is indirect
Enter to bypass IGCT（5）.
4. dc circuit breaker bridge-type module according to claim 1, it is characterised in that the press mounting structure part is two,
Four metal pull bars are fixed on the outer surface of described two press mounting structure parts with connector.
5. dc circuit breaker bridge-type module according to claim 1, it is characterised in that four compression joint type IGBT and institute
It is H bridge structures to state capacitor bank topology.
6. dc circuit breaker bridge-type module according to claim 1, it is characterised in that the outgoing line busbar（6）With it is described
Laminated bus bar（4）For copper bus-bar.
7. dc circuit breaker bridge-type module according to claim 1, it is characterised in that the support frame（8）For aluminium gold
Belong to welding structure framework.
8. the dc circuit breaker bridge-type module according to claim 1-7 any one, it is characterised in that the direct current interruption
The inductance value of device bridge-type module is in below 40nH.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848772.0A CN104701096B (en) | 2014-12-29 | 2014-12-29 | A kind of dc circuit breaker bridge-type module |
| PCT/CN2015/098207 WO2016107452A1 (en) | 2014-12-29 | 2015-12-22 | Direct current breaker bridge module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848772.0A CN104701096B (en) | 2014-12-29 | 2014-12-29 | A kind of dc circuit breaker bridge-type module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104701096A CN104701096A (en) | 2015-06-10 |
| CN104701096B true CN104701096B (en) | 2018-03-16 |
Family
ID=53348109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410848772.0A Active CN104701096B (en) | 2014-12-29 | 2014-12-29 | A kind of dc circuit breaker bridge-type module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104701096B (en) |
| WO (1) | WO2016107452A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701096B (en) * | 2014-12-29 | 2018-03-16 | 国家电网公司 | A kind of dc circuit breaker bridge-type module |
| CN105024527B (en) * | 2015-07-28 | 2017-12-26 | 许继电气股份有限公司 | Flexible DC power transmission IGBT module unit |
| CN105006474B (en) * | 2015-07-28 | 2018-03-02 | 许继电气股份有限公司 | Flexible DC power transmission converter valve components and its IGBT submodules |
| CN106611679A (en) * | 2015-10-23 | 2017-05-03 | 国网智能电网研究院 | Full-bridge cascaded high-voltage DC circuit breaker valve module |
| CN106712459A (en) * | 2015-11-13 | 2017-05-24 | 国网智能电网研究院 | Full-bridge IGBT assembly |
| CN106710973A (en) * | 2015-11-13 | 2017-05-24 | 国网智能电网研究院 | Capacitor assembly for high-voltage direct-current circuit breaker |
| CN105895458A (en) * | 2016-05-26 | 2016-08-24 | 许继电气股份有限公司 | DC circuit breaker and power assembly for transfer branch of DC circuit breaker |
| CN107947535B (en) * | 2017-12-22 | 2024-02-20 | 清华四川能源互联网研究院 | Power electronic branch unit of ultrahigh voltage direct current circuit breaker |
| CN107911009A (en) * | 2017-12-30 | 2018-04-13 | 徐州中矿大传动与自动化有限公司 | Three level high-voltage high-power water-cooling frequency convertor system |
| CN111327207B (en) * | 2018-12-13 | 2021-05-18 | 许继集团有限公司 | IGBT power unit and submodule with same |
| CN112073043B (en) * | 2019-06-11 | 2023-08-15 | 许继集团有限公司 | Branch switch assembly for direct current breaker |
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| US5517378A (en) * | 1993-12-09 | 1996-05-14 | Asea Brown Boveri Ab | Direct-current breaker for high power for connection into a direct-current carrying high-voltage line |
| CN101729049A (en) * | 2009-12-11 | 2010-06-09 | 中电普瑞科技有限公司 | Thyristor valve body suitable for high pressure solid composite switching device |
| CN102163926A (en) * | 2010-12-31 | 2011-08-24 | 中电普瑞科技有限公司 | High-power converter based on parallel IGBT (Insulated Gate Bipolar Transistor) modules |
| CN202150789U (en) * | 2011-06-02 | 2012-02-22 | 杭州晨星电力科技有限公司 | Drive circuit applied for SEMIX IGBT module |
| CN203339972U (en) * | 2013-07-10 | 2013-12-11 | 国电南瑞吉电新能源（南京）有限公司 | Sliding-rail type IGBT water-cooling power module |
| CN103618298A (en) * | 2013-12-04 | 2014-03-05 | 中国科学院电工研究所 | High-voltage direct-current breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701096B (en) * | 2014-12-29 | 2018-03-16 | 国家电网公司 | A kind of dc circuit breaker bridge-type module |
-
2014
- 2014-12-29 CN CN201410848772.0A patent/CN104701096B/en active Active
-
2015
- 2015-12-22 WO PCT/CN2015/098207 patent/WO2016107452A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5517378A (en) * | 1993-12-09 | 1996-05-14 | Asea Brown Boveri Ab | Direct-current breaker for high power for connection into a direct-current carrying high-voltage line |
| CN101729049A (en) * | 2009-12-11 | 2010-06-09 | 中电普瑞科技有限公司 | Thyristor valve body suitable for high pressure solid composite switching device |
| CN102163926A (en) * | 2010-12-31 | 2011-08-24 | 中电普瑞科技有限公司 | High-power converter based on parallel IGBT (Insulated Gate Bipolar Transistor) modules |
| CN202150789U (en) * | 2011-06-02 | 2012-02-22 | 杭州晨星电力科技有限公司 | Drive circuit applied for SEMIX IGBT module |
| CN203339972U (en) * | 2013-07-10 | 2013-12-11 | 国电南瑞吉电新能源（南京）有限公司 | Sliding-rail type IGBT water-cooling power module |
| CN103618298A (en) * | 2013-12-04 | 2014-03-05 | 中国科学院电工研究所 | High-voltage direct-current breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104701096A (en) | 2015-06-10 |
| WO2016107452A1 (en) | 2016-07-07 |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: GLOBAL ENERGY INTERCONNECTION Research Institute Applicant after: CHINA-EPRI ELECTRIC POWER ENGINEERING Co.,Ltd. Applicant after: NORTH CHINA GRID Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: STATE GRID SMART GRID Research Institute Applicant before: CHINA-EPRI ELECTRIC POWER ENGINEERING Co.,Ltd. Applicant before: NORTH CHINA GRID Co.,Ltd. |
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Effective date of registration: 20170601 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: GLOBAL ENERGY INTERCONNECTION Research Institute Applicant after: NORTH CHINA GRID Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: GLOBAL ENERGY INTERCONNECTION Research Institute Applicant before: CHINA-EPRI ELECTRIC POWER ENGINEERING Co.,Ltd. Applicant before: NORTH CHINA GRID Co.,Ltd. |
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