CN101729049A - Thyristor valve body suitable for high pressure solid composite switching device - Google Patents
Thyristor valve body suitable for high pressure solid composite switching device Download PDFInfo
- Publication number
- CN101729049A CN101729049A CN200910250650A CN200910250650A CN101729049A CN 101729049 A CN101729049 A CN 101729049A CN 200910250650 A CN200910250650 A CN 200910250650A CN 200910250650 A CN200910250650 A CN 200910250650A CN 101729049 A CN101729049 A CN 101729049A
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- thyristor
- valve body
- thyristor valve
- assembly
- electron plate
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- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 239000007787 solid Substances 0.000 title abstract 2
- 239000003822 epoxy resin Substances 0.000 claims abstract description 27
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 27
- 230000003068 static effect Effects 0.000 claims abstract description 23
- 239000012212 insulator Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000002788 crimping Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The invention provides a thyristor valve body suitable for a high pressure solid composite switching device, which adopts a vertical structure and consists of a left phase valve body and a right phase valve body, wherein the upper ends of the two phase valve bodies are connected with each other through an ultra-thick epoxy resin plate, while the lower ends are fixed on a channel steel bracket; each phase valve body consists of a valve component, a dynamic pressure equalizing resistance-capacitance component, a static pressure equalizing resistance component, a high-frequency energy transmission CT component, a thyristor valve electron plate component and a composite supporting insulator, and the components are connected with one another by conducting wires. The thyristor valve body is changed into the vertical structure from a horizontal structure, eliminates the adverse effect on valve series crimp connection because of the dead weight of the components of a thyristor, and improves the reliability of the structure of the valve body; a bar section radiator is utilized to replace the original heat pipe or water cooling radiator, and the bar section radiator has is small in volume and low in cost so that the structure of the thyristor valve body becomes compact and the cost is lowered; and the thyristor valve body is provided with the high-frequency energy transmission CT component, the energy taking mode of a thyristor valve electron plate is changed into a high-frequency energy transmission mode, and the energy taking of the electron plate does not rely on the state of the valve body so that the reliability of the energy taking of the electron plate is increased.
Description
Technical field
The invention belongs to power electronic equipment valve body design field, be specifically related to a kind of compact vertical-type thyristor valve body that is applicable to the high-voltage solid-state combination switch device, for the core part of high-voltage solid-state combination switch device, can realize the no-voltage input, zero current withdraws from.
Background technology
The present horizontal thyristor valve body mechanical structure of power electronic equipment widespread usage, radiating mode is heat pipe heat radiation or water-cooling, for example Chinese patent application 20052011875 discloses a kind of thyristor valve body mechanical structure, this type of thyristor valve body structure has three defectives if be applied to the high-voltage solid-state combination switch device: 1. former thyristor valve body adopts horizontal type structure, the thyristor string is subjected to the influence of self gravitation for a long time, is unfavorable for the reliable crimping of thyristor string; 2. former thyristor valve body is because valve body is wanted long charged operation, thereby powerful water-cooled or heat-pipe radiator have been installed, and causes the valve body cost to rise, and volume increases; 3. former thyristor valve body adopts voltage to get can mode be the power supply of thyristor valve electron plate, because this getting can mode not be suitable for the high-voltage solid-state combination switch device, thereby need increase the high frequency energy supplying system in thyristor valve body.Thyristor valve body mechanical structure involved in the present invention has been carried out the innovation upgrading at above three defectives.Thyristor valve body is changed into vertical structure by horizontal type structure, has got rid of the adverse effect of thyristor element deadweight to the crimping of valve string, has improved the reliability of valve body structure; Use Section Bar Heat Sinks and replace former heat pipe or water-filled radiator, the Section Bar Heat Sinks volume is little, price is low, makes the thyristor valve body structure become compact, the cost step-down; Installed high frequency additional and sent energy CT assembly, the energy mode of getting of thyristor valve electron plate changes high frequency into and send the energy mode, and electron plate is got and can no longer be relied on the valve body state, has increased the reliability that electron plate is got energy.
Summary of the invention
The objective of the invention is to overcome the thyristor valve body structure of prior art if be applied to the defective that the high-voltage solid-state combination switch device is had, the thyristor valve body that is applicable to the high-voltage solid-state combination switch device that provide a kind of and adopt vertical structure, can improve the valve body reliability, cost is low.
For this reason, the present invention proposes a kind of thyristor valve body that is applicable to the high-voltage solid-state combination switch device, whole device adopts vertical structure, by about two single-phase thyristor valve bodies form, the upper end of two single-phase thyristor valve bodies is linked to each other by epoxy resin board, the lower end is installed on fixedly on the channel-section steel by composite post insulator, described each single-phase thyristor valve body comprises valve module, the dynamic voltage balancing rescap, the static voltage sharing assembly, high frequency send energy CT assembly, thyristor valve electron plate assembly and composite post insulator are equipped with the dynamic voltage balancing rescap on the described epoxy resin fixed angle plate, the static state voltage equipoise rescap, high frequency send can CT assembly and thyristor valve electron plate assembly.
Wherein, described each single-phase thyristor valve body comprises that valve module, dynamic voltage balancing rescap, static voltage sharing assembly, high frequency send energy CT assembly, thyristor valve electron plate assembly and composite post insulator, and described dynamic voltage balancing capacitance-resistance, static voltage sharing, high frequency send energy CT assembly, thyristor valve electron plate and composite post insulator all to be connected with valve module.
Wherein, described valve module comprises positive and negative two shish-kebab gate tube valve strings, hold-down mechanism, insulated tension pole and epoxy resin fixed angle plate, crimping is carried out by hold-down mechanism in the two ends of described thyristor valve string, the common outside framework that constitutes positive and negative two shish-kebab gate tube valve strings of the last lower flange of described insulated tension pole assembly, epoxy resin fixed angle plate and hold-down mechanism.
Wherein, described every shish-kebab gate tube valve string props up thyristor pair by n and props up radiator with n+1 and be in series at interval, and n is a natural number, and described every thyristor is to being made up of just antiparallel two thyristors.
Wherein, described dynamic voltage balancing rescap comprises the dynamic electric resistor and the dynamic capacity of mutual series connection, and each thyristor is pair in parallel with one road dynamic voltage balancing capacitance-resistance, and described dynamic voltage balancing capacitance-resistance is connected on the radiator of thyristor to both sides.
Wherein, described static voltage sharing assembly comprises static voltage sharing and insulation column, one end of described each static voltage sharing all connects a radiator, its other end and is fixed on another adjacent radiator and with the thyristor valve electron plate by insulation column and links to each other, and is connected on the radiator of being fixed by the threshold voltage testing circuit on the thyristor valve electron plate.
Wherein, described high frequency send and can comprise that magnet ring pallet and the high frequency that is embedded in the magnet ring pallet send energy CT by the CT assembly, and described disk pallet is installed on the epoxy resin fixed angle plate.
Wherein, described thyristor valve electron plate assembly comprises thyristor valve electron plate, electron plate framework and binding post, described electron plate framework is installed on the epoxy resin fixed angle plate, interpolation thyristor valve electron plate, binding post is installed on the electron plate framework, connects the lead between thyristor electronic board and other assemblies reliably.
Beneficial effect of the present invention is: thyristor valve body is changed into vertical structure by horizontal type structure, has got rid of the adverse effect of thyristor element deadweight to the crimping of valve string, has improved the reliability of valve body structure; Use Section Bar Heat Sinks and replace former heat pipe or water-filled radiator, the Section Bar Heat Sinks volume is little, price is low, makes the thyristor valve body structure become compact, the cost step-down; Installed high frequency additional and sent energy CT assembly, the energy mode of getting of thyristor valve electron plate changes high frequency into and send the energy mode, and electron plate is got and can no longer be relied on the valve body state, has increased the reliability that electron plate is got energy.
Description of drawings
Fig. 1 is the electrical wiring schematic diagram of thyristor valve body of the present invention;
Fig. 2 is the combination front view of thyristor valve body of the present invention;
Fig. 3 is the combination rearview of thyristor valve body of the present invention;
Fig. 4 is the combination vertical view of thyristor valve body of the present invention;
Fig. 5 is the front view of single-phase thyristor valve body of the present invention;
Fig. 6 is the rearview of single-phase thyristor valve body of the present invention;
Fig. 7 is the left view of single-phase thyristor valve body of the present invention;
Fig. 8 is the right view of single-phase thyristor valve body of the present invention;
Fig. 9 is the vertical view of single-phase thyristor valve body of the present invention;
Figure 10 is the cutaway view of bowing of single-phase thyristor valve body of the present invention;
Wherein, 1-epoxy resin board; The single-phase thyristor valve body of 2-; 3-is channel-section steel fixedly; The 4-valve module; 5-dynamic voltage balancing rescap; 6-static voltage sharing assembly; The 7-high frequency send energy CT assembly; 8-thyristor valve electron plate assembly; The 9-composite post insulator; 10-is flange assembly up and down; 11-insulated tension pole assembly; 12-butterfly spring pressing assembly; 13-thyristor element; The 14-heat sink assembly; 15-epoxy resin fixed angle plate; 16-magnet ring pallet.
Embodiment
Below in conjunction with accompanying drawing thyristor valve body of the present invention is further described in detail:
A kind of compact vertical-type thyristor valve body mechanical structure that is applicable to the high-voltage solid-state combination switch device of the present invention, by about two single-phase thyristor valve bodies 2 form, the upper end of described two single-phase thyristor valve bodies 2 by super thick epoxy resin board 1 link to each other, the lower end is installed on fixedly on the channel-section steel 3.Every phase valve body send energy CT (current transformer) assembly 7, thyristor valve electron plate assembly 8 and composite post insulator 9 to form by valve module 4, dynamic voltage balancing rescap 5, static voltage sharing assembly 6, high frequency.Described valve module 4 comprises positive and negative two shish-kebab gate tube valve strings, hold-down mechanism, insulated tension pole 11 and epoxy resin fixed angle plate 15, crimping is carried out by hold-down mechanism in the two ends of described thyristor valve string, the last lower flange 10 common outside frameworks that constitute positive and negative two shish-kebab gate tube valve strings of described insulated tension pole assembly, epoxy resin fixed angle plate and hold-down mechanism.Described hold-down mechanism comprises the last lower flange 10 that is arranged on the thyristor valve string two ends, the disc spring pressing assembly 12, hexagon socket head cap screw, stage clip guide rod, the water conservancy diversion copper bar that are arranged on the valve module upper end close water conservancy diversion copper bar and the transition adjustment circle aluminium that the transition adjustment is justified aluminium and is arranged on the valve module lower end, can by hold-down mechanism, guarantee the reliable crimping of thyristor, it is 200510102663.5 utility model patent that described hold-down mechanism also can adopt application number; Being equipped with on the described epoxy resin fixed angle plate 15 that dynamic voltage balancing rescap 5, static voltage sharing assembly 6, high frequency send can CT assembly 7 and thyristor valve electron plate assembly 8.
Fig. 1 is the thyristor valve body electric hookup, and as shown in the figure: the core texture of single-phase thyristor valve body is antiparallel two shish-kebab brake tube strings, and every thyristor all has a radiator up and down, and n props up thyristor and n+1 props up the alternate string of radiator together; The every pair of antiparallel thyristor between one group of dynamic voltage balancing rescap 5 in parallel; Static voltage sharing assembly 6 one termination fin, the A terminal of another termination thyristor valve electron plate is the threshold voltage testing circuit between the A terminal of electron plate and the K terminal, the K terminal connects another radiator; Two trigger terminal G1, G2 of every thyristor valve electron plate connect the gate leve of two thyristors of common cathode respectively; The ground terminal GND of electron plate connects the negative electrode of two thyristors of common cathode respectively; Two high frequencies of electron plate send energy terminal AC to connect the secondary coil output of high frequency magnet ring.
Fig. 2, Fig. 3, Fig. 4 are the different views of thyristor valve body combining structure, as shown in the figure: thyristor valve body by about two single-phase thyristor valve bodies 2 form, the upper end of two single-phase thyristor valve bodies 2 with super thick epoxy resin board 1 link to each other, the lower end is installed on fixedly on the channel-section steel 3 by composite insulator.
Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 are front, rear, left and right, the vertical view of single-phase valve body structure, Figure 10 is the cutaway view of bowing of single-phase valve body structure, and as shown in the figure: every phase valve body send energy CT assembly 7, thyristor valve electron plate assembly 8 and composite post insulator 9 to form by valve module 4, dynamic voltage balancing rescap 5, static voltage sharing assembly 6, high frequency.Dynamic voltage balancing rescap 5, static voltage sharing assembly 6 are installed on respectively on the epoxy resin fixed angle plate 15 of valve module 4 left and right sides, and high frequency send energy CT assembly 7, thyristor valve electron plate assembly 8 to be installed on respectively on the epoxy resin fixed angle plate 15 of valve module 4 front sides.Wherein valve module is single-phase valve core component, comprise positive and negative two shish-kebab gate tube valve strings, hold-down mechanism, insulated tension pole 11 and epoxy resin fixed angle plate 15, crimping is carried out by hold-down mechanism in the two ends of described thyristor valve string, the last lower flange 10 common outside frameworks that constitute positive and negative two shish-kebab gate tube valve strings of described insulated tension pole assembly, epoxy resin fixed angle plate and hold-down mechanism.Described every shish-kebab gate tube valve string props up thyristor by n and props up radiator 14 to 13 with n+1 and be in series at interval, and n is a natural number, and described every thyristor is to being made up of just antiparallel two thyristors; Be in conplane two radiators by the copper bar short circuit, hold-down mechanism is in order to guarantee thyristor 13 reliable crimping.Described dynamic voltage balancing rescap 5 is in series by a dynamic electric resistor and a dynamic capacity, and every thyristor pair is in parallel with one road dynamic voltage balancing rescap 5, and described dynamic voltage balancing rescap 5 is connected on the radiator of thyristor to both sides.Described static voltage sharing assembly 6 is formed by connecting by static voltage sharing and insulation column, one end of static voltage sharing assembly 6 connects fin, the other end is fixed on another radiator and with the A end of thyristor valve electron plate by insulation column and links to each other, be connected on the radiator of being fixed by the threshold voltage testing circuit on the electron plate, it is right to accompany a thyristor between two radiators.Described a plurality of high frequency send and can be connected side by side on the epoxy resin fixed angle plate 15 by CT assembly 7, each high frequency send can CT assembly 7 send and can form by CT by magnet ring pallet 16 and the high frequency that is embedded among the magnet ring pallet, described magnet ring pallet 16 is connected on the epoxy resin fixed angle plate 15, have fastening high frequency to send the effect of energy CT and high-low pressure insulation, each magnet ring pallet 16 is drawn two big cables can guarantee that it can the CT assembly be separately the valve module power supply that high frequency send.Described thyristor valve electron plate assembly 8 is made up of thyristor valve electron plate, electron plate framework, binding post and relevant workpiece, the electron plate framework is installed on the epoxy resin fixed angle plate 15, interpolation thyristor valve electron plate, binding post is installed on the electron plate framework, connects the lead between thyristor electronic board and other assemblies reliably.Composite post insulator 9 has the effect of fixed valve assembly and isolation valve group voltage fixedly between channel-section steel 3 and the valve module 4.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
1. thyristor valve body that is applicable to the high-voltage solid-state combination switch device, it is characterized in that: whole device adopts vertical structure, by about two single-phase thyristor valve bodies 2 form, the upper end of two single-phase thyristor valve bodies 2 is linked to each other by epoxy resin board 1, the lower end is installed on fixedly on the channel-section steel 3 by composite post insulator 9, described each single-phase thyristor valve body 2 comprises valve module 4, dynamic voltage balancing rescap 5, static voltage sharing assembly 6, high frequency send energy CT assembly 7, thyristor valve electron plate assembly 8 and composite post insulator 9 are equipped with the dynamic voltage balancing rescap on the described epoxy resin fixed angle plate, the static state voltage equipoise rescap, high frequency send can CT assembly and thyristor valve electron plate assembly.
2. thyristor valve body as claimed in claim 1, it is characterized in that: described each single-phase thyristor valve body 2 comprises that valve module 4, dynamic voltage balancing rescap 5, static voltage sharing assembly 6, high frequency send energy CT assembly 7, thyristor valve electron plate assembly 8 and composite post insulator 9, and described dynamic voltage balancing capacitance-resistance 5, static voltage sharing 6, high frequency send energy CT assembly 7, thyristor valve electron plate 8 and composite post insulator 9 all to be connected with valve module 4.
3. thyristor valve body as claimed in claim 2, it is characterized in that: described valve module 4 comprises positive and negative two shish-kebab gate tube valve strings, hold-down mechanism, insulated tension pole 11 and epoxy resin fixed angle plate 15, crimping is carried out by hold-down mechanism in the two ends of described thyristor valve string, the last lower flange 10 common outside frameworks that constitute positive and negative two shish-kebab gate tube valve strings of described insulated tension pole assembly, epoxy resin fixed angle plate and hold-down mechanism.
4. thyristor valve body as claimed in claim 3 is characterized in that: described every shish-kebab gate tube valve string props up thyristor by n and props up radiator 14 to 13 with n+1 and be in series at interval, and n is a natural number, and described every thyristor is to being made up of just antiparallel two thyristors.
5. thyristor valve body as claimed in claim 4, it is characterized in that described dynamic voltage balancing rescap 5 comprises the dynamic electric resistor and the dynamic capacity of mutual series connection, each thyristor is pair in parallel with one road dynamic voltage balancing capacitance-resistance, and described dynamic voltage balancing capacitance-resistance is connected on the radiator of thyristor to both sides.
6. as the arbitrary described thyristor valve body of claim 1-4, it is characterized in that: described static voltage sharing assembly 6 comprises static voltage sharing and insulation column, one end of described each static voltage sharing all connects a radiator, its other end and is fixed on another adjacent radiator and with thyristor valve electron plate 8 by insulation column and links to each other, and is connected on the radiator of being fixed by the threshold voltage testing circuit on the thyristor valve electron plate.
7. as the arbitrary described thyristor valve body of claim 1-4, it is characterized in that: described high frequency send and can comprise that magnet ring pallet 16 and the high frequency that is embedded in the magnet ring pallet send energy CT by CT assembly 7, and described disk pallet 16 is installed on the epoxy resin fixed angle plate.
8. as the arbitrary described thyristor valve body of claim 1-4, it is characterized in that described thyristor valve electron plate assembly 8 comprises thyristor valve electron plate, electron plate framework and binding post, described electron plate framework is installed on the epoxy resin fixed angle plate, interpolation thyristor valve electron plate, binding post is installed on the electron plate framework, connects the lead between thyristor electronic board and other assemblies reliably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910250650A CN101729049A (en) | 2009-12-11 | 2009-12-11 | Thyristor valve body suitable for high pressure solid composite switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910250650A CN101729049A (en) | 2009-12-11 | 2009-12-11 | Thyristor valve body suitable for high pressure solid composite switching device |
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| Publication Number | Publication Date |
|---|---|
| CN101729049A true CN101729049A (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910250650A Pending CN101729049A (en) | 2009-12-11 | 2009-12-11 | Thyristor valve body suitable for high pressure solid composite switching device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966249A (en) * | 2012-07-31 | 2013-03-13 | 国家电网公司 | Container for vehicle-mounted mobile direct current deicing device |
| CN104701096A (en) * | 2014-12-29 | 2015-06-10 | 国家电网公司 | Direct current breaker bridge type module |
| CN112003357A (en) * | 2020-08-25 | 2020-11-27 | 中车株洲电力机车研究所有限公司 | Circuit control method based on solid-state switch and solid-state switch |
| CN112968591A (en) * | 2021-03-08 | 2021-06-15 | 清华大学 | High-power water-cooling unit structure based on IGCT thyristor constitutes |
-
2009
- 2009-12-11 CN CN200910250650A patent/CN101729049A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966249A (en) * | 2012-07-31 | 2013-03-13 | 国家电网公司 | Container for vehicle-mounted mobile direct current deicing device |
| CN102966249B (en) * | 2012-07-31 | 2015-07-08 | 国家电网公司 | Container for vehicle-mounted mobile direct current deicing device |
| CN104701096A (en) * | 2014-12-29 | 2015-06-10 | 国家电网公司 | Direct current breaker bridge type module |
| CN104701096B (en) * | 2014-12-29 | 2018-03-16 | 国家电网公司 | A kind of dc circuit breaker bridge-type module |
| CN112003357A (en) * | 2020-08-25 | 2020-11-27 | 中车株洲电力机车研究所有限公司 | Circuit control method based on solid-state switch and solid-state switch |
| CN112968591A (en) * | 2021-03-08 | 2021-06-15 | 清华大学 | High-power water-cooling unit structure based on IGCT thyristor constitutes |
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Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE STATE ELEC Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20130129 |
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Effective date of registration: 20130129 Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant after: China Electric Prime Technology Co., Ltd. Applicant after: China Electric Power Research Institute Applicant after: State Grid Corporation of China Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant before: China Electric Prime Technology Co., Ltd. Applicant before: China Electric Power Research Institute |
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Application publication date: 20100609 |