CN104701096A - Direct current breaker bridge type module - Google Patents
Direct current breaker bridge type module Download PDFInfo
- Publication number
- CN104701096A CN104701096A CN201410848772.0A CN201410848772A CN104701096A CN 104701096 A CN104701096 A CN 104701096A CN 201410848772 A CN201410848772 A CN 201410848772A CN 104701096 A CN104701096 A CN 104701096A
- Authority
- CN
- China
- Prior art keywords
- type module
- circuit breaker
- igbt
- breaker bridge
- unit
- 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.)
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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
Landscapes
- Rectifiers (AREA)
Abstract
The invention discloses a direct current breaker bridge type module. The direct current breaker bridge type module comprises an IGBT (insulated gate bipolar translator) press fitting unit, a capacitor bank, a stack bus bar, a control unit, an energy supply unit and a support frame, wherein the capacitor bank is electrically connected with the IGBT press fitting unit through the stack bus bar, the capacitor bank is connected with the control unit and the energy supply unit, and the IGBT press fitting unit, the capacitor bank, the stack bus bar, the control unit and the energy supply unit are located on the support frame. By adopting the technical scheme, bursting hidden dangers of a traditional welded module under a failure state are eliminated, the integration level of the direct current breaker bridge type module is greatly improved, the overall size of the direct current breaker bridge type module is reduced, a voltage peak of the direct current breaker bridge type module is effectively reduced when a large current is cut off, and simultaneously a large heat radiating area is further provided to the control unit.
Description
Technical field
The present invention relates to a kind of DC circuit breaker manufacturing direct current network, be specifically related to a kind of DC circuit breaker bridge-type module.
Background technology
In the electric power system that the capacity such as power plant, transformer station is large, voltage is high, direct current system is relaying protection, the equipment such as control, signal sound equipment and emergency lighting that operate provide reliable power supply, and as the small-sized DC circuit breaker of one of components and parts most important in direct current system, its reliable and stable operation directly will ensure the safety of whole electric power system; Development of information industry has welcome the great development of the DC power supply such as communication power supply, EPS, UPS industry, base station, data center resemble emerge rapidly in large numbersBamboo shoots after a spring rain as appear on Divine Land, in order to ensure the high precision requirement of DC power supply, as most important operation in feeding circuit at different levels in DC power supply and the DC circuit breaker protecting components and parts, coordinate with its reliable selectively grading and very important effect is played to proterctive equipment, restriction accident scope; Current urban track traffic system is generally powered by direct current system.And its DC power supply is provided by high-power silicon rectifier device mostly, silicon rectifier device components and parts because of overload capacity low, so to direct current network protection components and parts requirement higher.The direct current definite purpose circuit breaker of rapid analysis is the Important Components in track traffic
The most basic composition unit of DC circuit breaker is circuit breaker bridge-type module.Bridge-type module is when normally working, and module carries the work of conducting big current (more than 1kA).And when fault occurs, bridge-type module one side at short notice (2ms) bears high fault current (more than 10kA), then by the IGBT device in control module, transfer and the disjunction of electric current can be realized on the other hand.
Existing high-voltage large-capacity power electronic product, as DC circuit breaker, STATOM, UPFC and flexible direct current transmission converter valve etc., bridge-type module many employings solder type IGBT device wherein, although and the design of this generic module and production are comparatively ripe, but still have shortcomings:
1) failure mode shows as open circuit, and easily occurs quick-fried swollen when breaking down;
2) device self parasitic parameter is comparatively large, is connected in module between each IGBT by longer busbar, causes bridge-type module whole parasitic parameter (stray inductance, parasitic capacitance) to control very difficulty, easily produces the phenomenon such as overcurrent and overvoltage;
3), when welded type IGBT is applied in bridge-type module, because each IGBT spacing is by the impact of circumferential component (laminated bus bar, radiator etc.), when arranging, the power capacity in bridge-type module unit volume cannot be improved.
The operation principle of DC circuit breaker and environment cause existing modular unit structure cannot be applicable to DC circuit breaker again.
Therefore, need to provide a kind of technical scheme to overcome above at least one defect.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of DC circuit breaker bridge-type module, described DC circuit breaker bridge-type module comprises IGBT and press-fits unit, Capacitor banks, laminated bus bar, control unit, supply unit and support frame, described Capacitor banks press-fits unit by described laminated bus bar with described IGBT and is connected, the shell of described Capacitor banks is connected with described control unit and described supply unit, it is characterized in that, described IGBT press-fits unit, described Capacitor banks, described laminated bus bar, described control unit and described supply unit are positioned on described support frame.
Preferably, described IGBT press-fits unit and is made up of four compression joint type IGBT, water-cooled panel radiator, gate units, outgoing line busbar and press mounting structure part, described compression joint type IGBT and described water-cooled panel radiator are arranged alternately, described gate units is connected with described water-cooled panel radiator, described outgoing line busbar overlays in the cooled plate of described cooled plate radiator, and described press mounting structure part is connected by four metal pull bars.
Preferably, described gate units adopts inserting mode to be connected with described water-cooled panel radiator.
Preferably, bypass thyristor is accessed between described outgoing line busbar.
Preferably, described press mounting structure part is two, and described four metal pull bars cross four angles of described press mounting structure part, by nut, the two ends of described metal pull bar are fixed on the outer surface of described two press mounting structure parts.
Preferably, described four compression joint type IGBT and described Capacitor banks topology are H bridge construction.
Preferably, described outgoing line busbar and the described busbar that stacks are copper bus-bar.
Preferably, described support frame is aluminum metal Welding Structure framework.
Preferably, the inductance value of described DC circuit breaker bridge-type module is at below 40nH.
With immediate prior art ratio, beneficial effect of the present invention is:
1. adopt compression joint type IGBT to eliminate traditional welding formula module to nonserviceable lower quick-fried swollen hidden danger, simultaneously by pressing type structure, module integration degree can be improved largely, reduce module totality long-pending;
2. module stray inductance can control at below 40nH by pressing type respective outer side edges laminated bus bar, effectively reduces the due to voltage spikes of module when turning off big current;
3. the integrated compact design of module described in can be implemented in equal modules volume and realizes larger transducing power or greatly reduce module volume under identical transducing power, the structure assembly of capacitor and control unit and supply unit, can also provide larger area of dissipation for control unit simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is figure DC circuit breaker bridge-type module Facad structure schematic diagram 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 press-fits unit; 3-Capacitor banks; 4-laminated bus bar; 5-bypass thyristor; 6-outgoing line busbar; 7-supply unit; 8-support frame.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
In order to thoroughly understand the embodiment of the present invention, by following description, detailed structure is proposed.Obviously, the execution of the embodiment of the present invention is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present invention is described in detail as follows, but except these are described in detail, the present invention can also have other execution modes.
With reference to Fig. 1-Fig. 3, Fig. 1 is figure DC circuit breaker bridge-type module Facad structure schematic diagram 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.DC circuit breaker bridge-type module in figure, comprise IGBT and press-fit unit 2, Capacitor banks 3, laminated bus bar 4, control unit, supply unit and support frame 8, described Capacitor banks 3 press-fits unit 2 by described laminated bus bar 4 with described IGBT and is electrically connected, the shelling machine interface of described Capacitor banks 3 is connected with described control unit and described supply unit, and described IGBT press-fits unit 2, described Capacitor banks 3, described laminated bus bar 4, described control unit and described supply unit and is positioned on described support frame 8; Laminated bus bar 4 adopts common copper bus-bar, effectively can reduce the impact of stray parameter for modular electrical performance.
Described IGBT press-fits unit 2 and is made up of four compression joint type IGBT, water-cooled panel radiator, gate units 1, outgoing line busbar 6 and press mounting structure part, described compression joint type IGBT and described water-cooled panel radiator are stacked alternately installation, described gate units 1 is arranged on the special purpose interface of described water-cooled panel radiator, described outgoing line busbar 6 adopts common copper bus-bar, overlay in the cooled plate of described cooled plate radiator, described press mounting structure part provides pressure assembling force by four metal pull bars, and described metal pull bar connection is fastened in two end flanges; Described gate units 1 adopts the fastening mode of grafting and side to be fixed on the special purpose interface of described water-cooled panel radiator, can improve electrical contact reliability, is convenient to Fast Installation and changes; Described compression joint type IGBT, due to himself design form, can form short trouble state when fault produces, and completely avoid the quick-fried swollen phenomenon that traditional welding formula device break type fault causes.
The connected applications of crimp type IGBT and laminated bus bar 4 significantly reduces the stray inductance in loop, described IGBT press-fits unit and causes module-external via outgoing line busbar 6, between described outgoing line busbar 6, bypass thyristor 5 in parallel is in order to the need of failure removal, described gate units 1 and module control system provide institute's energy requirement by energy supplying system 7, all parts are fixed on support frame 8, described support frame 8 is aluminum metal Welding Structure framework, fixed interface be installed for integral module provides and effectively support, thus forming complete module whole.
Four angles of described press mounting structure part are provided with four metal pull bars crossing described four angles, provide pressure assembling force by four metal pull bars, described metal pull bar connection 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.With reference to Fig. 2, DC circuit breaker module topology is H bridge construction, comprises four high-power IGBT devices, and a transfer commutation electricity container, and described high-power IGBT and capacitor form H bridge topological structure.
Quick-fried swollen phenomenon under adopting the breaker module of this structure to avoid malfunction because adopting compression joint type IGBT, can improve module integration degree largely, reduces module totality and amasss; Owing to adopting the stray parameter reduced between device of the direct type of attachment high degree of realization press-fited between IGBT, can module stray inductance being controlled at below 40nH, effectively reducing the due to voltage spikes of module when turning off big current; While increasing discharge capacity, improve the integrated level of module simultaneously, the power in equal modules volume is promoted greatly; The integrated compact design of described module can be implemented in transducing power larger in equal modules volume or greatly reduce module volume under identical transducing power, the structure assembly of capacitor and control unit and supply unit, can also provide larger area of dissipation for control unit simultaneously.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; although with reference to above-described embodiment to invention has been detailed description; those of ordinary skill in the field still can modify to the specific embodiment of the present invention or equivalent replacement; these do not depart from any amendment of spirit and scope of the invention or equivalent replacement, are all applying within the claims awaited the reply.
Claims (9)
1. a DC circuit breaker bridge-type module, described DC circuit breaker bridge-type module comprises IGBT and press-fits unit (2), Capacitor banks (3), laminated bus bar (4), control unit, supply unit (7) and support frame (8), described Capacitor banks (3) press-fits unit (2) by described laminated bus bar (4) with described IGBT and is connected, the shell of described Capacitor banks (3) is connected with described control unit and described supply unit (7), it is characterized in that, described IGBT press-fits unit (2), described Capacitor banks (3), described laminated bus bar (4), described control unit and described supply unit (7) are positioned on described support frame (8).
2. DC circuit breaker bridge-type module according to claim 1, it is characterized in that, described IGBT press-fits unit and is made up of four compression joint type IGBT, water-cooled panel radiator, gate units (1), outgoing line busbar (6) and press mounting structure part, described compression joint type IGBT and described water-cooled panel radiator are arranged alternately, described gate units (1) is connected with described water-cooled panel radiator, described outgoing line busbar (6) overlays in the cooled plate of described cooled plate radiator, and described press mounting structure part is connected by four metal pull bars.
3. DC circuit breaker bridge-type module according to claim 2, is characterized in that, described gate units (1) adopts inserting mode to be connected with described water-cooled panel radiator.
4. DC circuit breaker bridge-type module according to claim 2, is characterized in that, accesses bypass thyristor (5) between described outgoing line busbar (6).
5. DC circuit breaker bridge-type module according to claim 2, is characterized in that, described press mounting structure part is two, and described four metal pull bar connectors are fixed on the outer surface of described two press mounting structure parts.
6. DC circuit breaker bridge-type module according to claim 2, is characterized in that, described four compression joint type IGBT and described Capacitor banks topology are H bridge construction.
7. DC circuit breaker bridge-type module according to claim 2, is characterized in that, described outgoing line busbar (6) and the described busbar (4) that stacks are copper bus-bar.
8. DC circuit breaker bridge-type module according to claim 2, is characterized in that, described support frame (8) is aluminum metal Welding Structure framework.
9. the DC circuit breaker bridge-type module according to claim 1-8 any one claim, is characterized in that, the inductance value of described DC circuit breaker bridge-type module is at 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 true CN104701096A (en) | 2015-06-10 |
| CN104701096B CN104701096B (en) | 2018-03-16 |
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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) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006474A (en) * | 2015-07-28 | 2015-10-28 | 许继电气股份有限公司 | Converter valve component used for flexible DC power transmission and IGBT submodules thereof |
| CN105024527A (en) * | 2015-07-28 | 2015-11-04 | 许继电气股份有限公司 | Insulated gate bipolar transistor (IGBT) module unit for flexible direct current transmission |
| WO2016107452A1 (en) * | 2014-12-29 | 2016-07-07 | 国家电网公司 | Direct current breaker bridge module |
| 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 |
| 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 |
| CN107947535A (en) * | 2017-12-22 | 2018-04-20 | 清华四川能源互联网研究院 | A kind of superhigh voltage DC breaker power electronics tributary unit |
| CN111327207A (en) * | 2018-12-13 | 2020-06-23 | 许继集团有限公司 | IGBT power unit and submodule with same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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
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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 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016107452A1 (en) * | 2014-12-29 | 2016-07-07 | 国家电网公司 | Direct current breaker bridge module |
| 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 |
| CN105024527A (en) * | 2015-07-28 | 2015-11-04 | 许继电气股份有限公司 | Insulated gate bipolar transistor (IGBT) module unit for flexible direct current transmission |
| CN105006474A (en) * | 2015-07-28 | 2015-10-28 | 许继电气股份有限公司 | Converter valve component used for flexible DC power transmission and IGBT submodules thereof |
| 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 |
| 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 |
| CN107947535A (en) * | 2017-12-22 | 2018-04-20 | 清华四川能源互联网研究院 | A kind of superhigh voltage DC breaker power electronics tributary unit |
| 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 |
| CN111327207A (en) * | 2018-12-13 | 2020-06-23 | 许继集团有限公司 | IGBT power unit and submodule with same |
| CN111327207B (en) * | 2018-12-13 | 2021-05-18 | 许继集团有限公司 | IGBT power unit and submodule with same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016107452A1 (en) | 2016-07-07 |
| CN104701096B (en) | 2018-03-16 |
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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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