CN103647537A - Energy taking and transmitting device and high-voltage electronic direct-current circuit breaker - Google Patents
Energy taking and transmitting device and high-voltage electronic direct-current circuit breaker Download PDFInfo
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- CN103647537A CN103647537A CN201310409691.6A CN201310409691A CN103647537A CN 103647537 A CN103647537 A CN 103647537A CN 201310409691 A CN201310409691 A CN 201310409691A CN 103647537 A CN103647537 A CN 103647537A
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Abstract
The invention relates to an energy taking and transmitting device and a high-voltage electronic direct-current circuit breaker. According to the invention, a lamp light source is adopted to irradiate high-potential solar cell panels, energy is successfully transmitted to the high-potential solar cell panels, so the high-voltage insulation problem with a high-potential power source can be solved, and the problem of providing a drive loop power source for multi-stage serially-connected IGBTs and the IGBT interstage insulation and voltage resistance problem can be solved through low-voltage transformers coupled in a multi-stage cascade coupling manner. According to the invention, conditions are created for the engineering application of the high-voltage electronic direct-current circuit breaker.
Description
Technical field
The present invention relates to high voltage dc transmission technology field, in particular for the device of HVDC Equipments power supply, and a kind of high-tension electricity minor DC circuit breaker that adopts this device.
Background technology
High-tension electricity minor DC circuit breaker forms (see figure 1) by several parts such as high-voltage direct current isolation switch, auxiliary electrical minor switch and main electronic switchs.Wherein auxiliary electrical minor switch and main electronic switch are to have multistage IGBT to be in series.For direct current system more than 200kV, the insulation against ground voltage request of electronic switch is very high, and high-tension electricity minor DC circuit breaker is under normal operation, two ends lead directly to, both end voltage is zero, and the electric current flowing through in major loop is direct current, cannot obtain the energy by induction type instrument transformer, so electronic switch get that to send can be the key that can high-tension electricity minor DC circuit breaker through engineering approaches application.Although adopt in theory high force feed energy transformer can realize sending of high potential electronic switch, can get energy problem, in fact, for high-tension send can transformer for, one, require its insulation against ground voltage very high, for the direct current system of direct current 200kV, more than its insulation against ground withstand voltage just reaches 400kV; They are two years old, because the driving-energy that IGBT in high potential electronic switch needs is also little, this has just determined to send can transformer be low capacity and high voltage bearing characteristic, but for this low capacity high voltage bearing send can transformer for, its manufacture difficulty is very large, and cost is high, at present, do not have producer to be ready to produce the not high and very large high force feed energy transformer of manufacture difficulty of this value.
For other, be positioned at the high-tension electricity minor equipment of high potential, also have the problem that can send energy of getting.So, need badly now a kind of for getting of high voltage direct current electronic equipment power supply can energy feeding device.
Summary of the invention
The object of this invention is to provide a kind of can energy feeding device for getting of high-pressure electronic equipment power supply, the DC electronic equipment that is positioned at high potential in order to solve get can send can difficulty problem.In addition, the present invention also provides a kind of above-mentioned high-tension electricity minor DC circuit breaker of getting energy energy feeding device that utilizes.
For achieving the above object, the solution of the present invention comprises:
Getting can an energy feeding device, comprise solar panel and be used to the convertor assembly of high voltage direct current electronic equipment power transmission, and be independent of solar panel, for irradiating the lamp source of solar panel, solar panel output connects convertor assembly.
Described convertor assembly is DC/DC device.
Described convertor assembly is DC/AC-transformer-AC/DC device, transformer is plural serial stage structure: first order transformer primary side connects the output of DC/AC unit, first order transformer secondary connects second level transformer primary side, the like, rear one-level transformer primary side connects previous stage transformer secondary; The secondary of stage transformers is all equipped with lead-out terminal, and lead-out terminals at different levels all connect corresponding AC/DC unit.
DC/AC unit output is also equipped with corresponding lead-out terminal.
A kind of high-tension electricity minor DC circuit breaker, its auxiliary electrical minor switch and main electronic switch are in series by least two valve sections, each valve section is in series by least two IGBT, each valve section correspondence is provided with one and gets energy energy feeding device, get and can comprise solar panel and the convertor assembly that is used to IGBT power transmission by energy feeding device, and be independent of solar panel, for irradiating the lamp source of solar panel, solar panel output connects convertor assembly; Described convertor assembly is DC/AC-transformer-AC/DC device, transformer is plural serial stage structure: first order transformer primary side connects the output of DC/AC unit, first order transformer secondary connects second level transformer primary side, the like, rear one-level transformer primary side connects previous stage transformer secondary; The secondary of stage transformers is all equipped with lead-out terminal, and lead-out terminals at different levels all connect corresponding AC/DC unit.
DC/AC unit output is also equipped with corresponding lead-out terminal and AC/DC unit.
The present invention adopts lamp source to irradiate to be installed on the solar panel of high potential, and (lamp source is independent of the solar panel of high potential, can be arranged on the ground), energy is delivered to the solar panel of high potential, solar panel output direct current is that electronic equipment is powered by convertor assembly.The present invention be not adopt high force feed energy transformer to send from other current potentials (as earth potential) can be to the high potential of high voltage direct current electronic equipment, but adopt light conveying capacity to substitute electrical couplings relation before, so there is the Insulation Problems of sending between energy voltage transformer system and high-pressure system.
Convertor assembly can adopt DC/DC device, and this situation is suitable for Single Electron equipment, as single IGBT.
Further, for the electronic equipment with a plurality of IGBT cascaded structures, convertor equipment has adopted DC/AC-transformer-AC/DC structure, the DC power supply of solar panel output is low-voltage alternating current power supply by DC/AC cell translation, AC power, again by the low-tension transformer of plural serial stage and corresponding AC/DC unit, is successfully the driving loop of IGBT every one-level IGBT(of Power supply series connection).Multistage transformer structure has guaranteed the inter-stage insulation (insulation easily distributes and realizes) and isolation between a plurality of IGBT.
As Fig. 2, the secondary of stage transformers is all equipped with lead-out terminal, lead-out terminals at different levels all connect corresponding AC/DC unit, and described corresponded manner is: stage transformers is consistent with the arranged in series direction of each IGBT from prime to rear class orientation, guarantee that the IGBT inter-stage class of insulation is even.
The energy energy feeding device of getting of the present invention, for high-tension electricity minor DC circuit breaker, replaces high force feed energy transformer, greatly reduces the cost of high-tension electricity minor DC circuit breaker.And stage transformers is corresponding with each IGBT, be convenient to realize the modularization of whole equipment.Adopt solar powered pattern of the present invention, cost is low, realizes easily, for road has been paved in the application of high-tension electricity minor DC circuit breaker.
Accompanying drawing explanation
Fig. 1 is the topology diagram of high-tension electricity minor DC circuit breaker primary system;
Fig. 2 be sending of high-tension electricity minor DC circuit breaker can energy taking device schematic diagram;
Fig. 3 is a kind of execution mode that send energy energy taking device.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Getting can energy feeding device embodiment
As Fig. 3, a kind of energy energy feeding device of getting, comprise the solar panel that is installed on high voltage direct current electronic equipment place high potential and the convertor assembly that is used to high voltage direct current electronic equipment power transmission, and be independent of solar panel, for irradiating the lamp source of solar panel, solar panel output connects convertor assembly.Convertor assembly can adopt the power electronics power supplys such as DC/DC device.High voltage direct current electronic equipment is the equipment such as IGBT, thyristor, for their power supplies refer to the driving loop power supply into equipment such as IGBT, thyristors.The situation of the present embodiment is suitable for Single Electron equipment, as single IGBT.
Lamp source can arrange on the ground, and lamp source and solar panel keep certain safe distance, to realize the high-voltage isolating between earth potential and high potential electronic switch.And take measures to guarantee that earthy light source shines directly on solar panel, to improve the conversion efficiency of light source.
As Fig. 2 provide a kind of for getting of high-tension electricity minor DC circuit breaker power supply can energy feeding device, the auxiliary electrical minor switch of high-tension electricity minor DC circuit breaker and main electronic switch are in series by least two valve sections, and each valve section is in series by least two IGBT.Take Fig. 2 as example, the previous valve section of each valve Duan Yousi IGBT(: 1V1,1V2,1V3,1V4; Rear valve section: 2V1, a 2V2,2V3,2V4) be in series, each valve section correspondence is provided with one and gets energy energy feeding device, get and can comprise solar panel and the convertor assembly that is used to IGBT power transmission by energy feeding device, and be independent of solar panel, for irradiating the lamp source of solar panel, solar panel output connects convertor assembly; Convertor assembly is DC/AC-transformer-AC/DC device, transformer is a plurality of transformers of plural serial stage structure: first order transformer primary side connects the output of DC/AC unit, first order transformer secondary connects second level transformer primary side, the like, rear one-level transformer primary side connects previous stage transformer secondary; The secondary of stage transformers is all equipped with lead-out terminal, and lead-out terminals at different levels all connect corresponding AC/DC unit.
DC/AC unit output is also equipped with corresponding lead-out terminal and AC/DC unit, and realizing three transformers is 4 IGBT power supplies.Above-mentioned transformer is low-tension transformer.
In Fig. 2, main electronic switch only has two valve sections to be composed in series, and each valve section has 4 IGBT to be composed in series.In fact electronic switch may be comprised of more valve section, and each valve section has several IGBT to be composed in series.
About the embodiment of high-tension electricity minor DC circuit breaker, owing to relating in above embodiment, repeat no more.
Claims (6)
1. get energy energy feeding device for one kind, it is characterized in that, comprise solar panel and be used to the convertor assembly of high voltage direct current electronic equipment power transmission, and be independent of solar panel, for irradiating the lamp source of solar panel, solar panel output connects convertor assembly.
2. a kind of energy energy feeding device of getting according to claim 1, is characterized in that, described convertor assembly is DC/DC device.
3. a kind of getting according to claim 1 can energy feeding device, it is characterized in that, described convertor assembly is DC/AC-transformer-AC/DC device, transformer is plural serial stage structure: first order transformer primary side connects the output of DC/AC unit, first order transformer secondary connects second level transformer primary side, the like, rear one-level transformer primary side connects previous stage transformer secondary; The secondary of stage transformers is all equipped with lead-out terminal, and lead-out terminals at different levels all connect corresponding AC/DC unit.
4. a kind of energy energy feeding device of getting according to claim 3, is characterized in that, DC/AC unit output is also equipped with corresponding lead-out terminal.
5. a high-tension electricity minor DC circuit breaker, its auxiliary electrical minor switch and main electronic switch are in series by least two valve sections, each valve section is in series by least two IGBT, it is characterized in that, each valve section correspondence is provided with one and gets energy energy feeding device, get and can energy feeding device comprise solar panel and be used to the convertor assembly of IGBT power transmission, and be independent of solar panel, for irradiating the lamp source of solar panel, solar panel output connects convertor assembly; Described convertor assembly is DC/AC-transformer-AC/DC device, transformer is plural serial stage structure: first order transformer primary side connects the output of DC/AC unit, first order transformer secondary connects second level transformer primary side, the like, rear one-level transformer primary side connects previous stage transformer secondary; The secondary of stage transformers is all equipped with lead-out terminal, and lead-out terminals at different levels all connect corresponding AC/DC unit.
6. a kind of high-tension electricity minor DC circuit breaker according to claim 5, is characterized in that, DC/AC unit output is also equipped with corresponding lead-out terminal and AC/DC unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409691.6A CN103647537A (en) | 2013-09-10 | 2013-09-10 | Energy taking and transmitting device and high-voltage electronic direct-current circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310409691.6A CN103647537A (en) | 2013-09-10 | 2013-09-10 | Energy taking and transmitting device and high-voltage electronic direct-current circuit breaker |
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| CN103647537A true CN103647537A (en) | 2014-03-19 |
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| CN201310409691.6A Pending CN103647537A (en) | 2013-09-10 | 2013-09-10 | Energy taking and transmitting device and high-voltage electronic direct-current circuit breaker |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104767413A (en) * | 2015-04-16 | 2015-07-08 | 西南交通大学 | Multi-isolation-transformer series power supply device |
| CN105931923A (en) * | 2016-05-26 | 2016-09-07 | 许继电气股份有限公司 | High-voltage DC circuit breaker |
| WO2018192291A1 (en) * | 2017-04-19 | 2018-10-25 | 南京南瑞继保电气有限公司 | Energy supply system and method |
| CN109378907A (en) * | 2018-11-27 | 2019-02-22 | 国网辽宁省电力有限公司经济技术研究院 | High potential isolated power supply in semiconductor high pressure valve application circuit |
| CN109560527A (en) * | 2018-12-10 | 2019-04-02 | 国网江苏省电力有限公司经济技术研究院 | A kind of hybrid online electricity-fetching method of dc circuit breaker driving circuit |
| CN111509757A (en) * | 2020-04-03 | 2020-08-07 | 清华大学 | Isolated energy supply device and method for fully-controlled switch device |
| CN111585299A (en) * | 2019-02-18 | 2020-08-25 | 中国电力科学研究院有限公司 | Direct-current energy router and control method thereof |
| WO2024051218A1 (en) * | 2022-09-08 | 2024-03-14 | 超聚变数字技术有限公司 | Power supply module and related device |
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| CN104767413A (en) * | 2015-04-16 | 2015-07-08 | 西南交通大学 | Multi-isolation-transformer series power supply device |
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| CN109560527A (en) * | 2018-12-10 | 2019-04-02 | 国网江苏省电力有限公司经济技术研究院 | A kind of hybrid online electricity-fetching method of dc circuit breaker driving circuit |
| CN111585299A (en) * | 2019-02-18 | 2020-08-25 | 中国电力科学研究院有限公司 | Direct-current energy router and control method thereof |
| CN111585299B (en) * | 2019-02-18 | 2023-11-14 | 中国电力科学研究院有限公司 | Direct current energy router and control method thereof |
| CN111509757A (en) * | 2020-04-03 | 2020-08-07 | 清华大学 | Isolated energy supply device and method for fully-controlled switch device |
| CN111509757B (en) * | 2020-04-03 | 2021-10-08 | 清华大学 | Isolated energy supply device and method for fully-controlled switch device |
| WO2024051218A1 (en) * | 2022-09-08 | 2024-03-14 | 超聚变数字技术有限公司 | Power supply module and related device |
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Application publication date: 20140319 |
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