CN1925067A - ±800kV特高压直流合成绝缘子 - Google Patents
±800kV特高压直流合成绝缘子 Download PDFInfo
- Publication number
- CN1925067A CN1925067A CNA2006100328952A CN200610032895A CN1925067A CN 1925067 A CN1925067 A CN 1925067A CN A2006100328952 A CNA2006100328952 A CN A2006100328952A CN 200610032895 A CN200610032895 A CN 200610032895A CN 1925067 A CN1925067 A CN 1925067A
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- Prior art keywords
- high voltage
- extra
- insulator
- voltage direct
- synthetic insulator
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- 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.)
- Granted
Links
- 239000012212 insulator Substances 0.000 title claims abstract description 55
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000009826 distribution Methods 0.000 claims abstract description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 32
- 239000010931 gold Substances 0.000 claims description 32
- 229910052737 gold Inorganic materials 0.000 claims description 32
- 229920002379 silicone rubber Polymers 0.000 claims description 31
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 15
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 14
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 13
- 229920002545 silicone oil Polymers 0.000 claims description 10
- 239000004945 silicone rubber Substances 0.000 claims description 9
- 239000008119 colloidal silica Substances 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 7
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 claims description 7
- 239000003517 fume Substances 0.000 claims description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- 239000005977 Ethylene Substances 0.000 claims description 6
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 239000007822 coupling agent Substances 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000012744 reinforcing agent Substances 0.000 claims description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 3
- XQSFXFQDJCDXDT-UHFFFAOYSA-N hydroxysilicon Chemical compound [Si]O XQSFXFQDJCDXDT-UHFFFAOYSA-N 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- 238000002156 mixing Methods 0.000 abstract description 5
- 239000003292 glue Substances 0.000 abstract description 2
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 238000005987 sulfurization reaction Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 9
- 229910052725 zinc Inorganic materials 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052573 porcelain Inorganic materials 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000006056 electrooxidation reaction Methods 0.000 description 3
- 238000009422 external insulation Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000003556 assay Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000010074 rubber mixing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- KHDSWONFYIAAPE-UHFFFAOYSA-N silicon sulfide Chemical compound S=[Si]=S KHDSWONFYIAAPE-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulators (AREA)
Abstract
Description
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100328952A CN100412996C (zh) | 2006-01-17 | 2006-01-17 | ±800kV特高压直流合成绝缘子 |
PCT/CN2006/003621 WO2007082455A1 (fr) | 2006-01-17 | 2006-12-27 | ISOLATEUR SYNTHÉTIQUE DE COURANT CONTINU DE TENSION TRÈS ÉLEVÉE DE +/- 800kV |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100328952A CN100412996C (zh) | 2006-01-17 | 2006-01-17 | ±800kV特高压直流合成绝缘子 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1925067A true CN1925067A (zh) | 2007-03-07 |
CN100412996C CN100412996C (zh) | 2008-08-20 |
Family
ID=37817645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100328952A Active CN100412996C (zh) | 2006-01-17 | 2006-01-17 | ±800kV特高压直流合成绝缘子 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN100412996C (zh) |
WO (1) | WO2007082455A1 (zh) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101870816A (zh) * | 2010-07-16 | 2010-10-27 | 黄春尧 | 环保型硅橡胶及其制作方法 |
CN102005271A (zh) * | 2010-12-20 | 2011-04-06 | 东莞市高能电气股份有限公司 | 带内伞裙结构的分节式特高压支柱复合绝缘子 |
CN102156249A (zh) * | 2011-03-03 | 2011-08-17 | 南方电网科学研究院有限责任公司 | 一种高海拔特高压直流绝缘子长期带电测评方法 |
CN102157252A (zh) * | 2011-04-14 | 2011-08-17 | 株洲时代新材料科技股份有限公司 | 一种复合横担绝缘子的制造方法及产品 |
EP2360703A1 (en) * | 2008-11-20 | 2011-08-24 | Wuhan Desai Electric Power Equipment Co., Ltd. | An insulator capable of improving the electrical strength of external insulation |
CN101781463B (zh) * | 2009-01-19 | 2012-01-11 | 浙江元通线缆制造有限公司 | 一种耐火硅橡胶及其制备方法和电缆 |
CN103165247A (zh) * | 2013-03-21 | 2013-06-19 | 江苏南瓷绝缘子有限公司 | 新型长棒形瓷复合绝缘子及其制作方法 |
CN103187129A (zh) * | 2013-03-01 | 2013-07-03 | 湖南省电力公司科学研究院 | 防覆冰均压盘 |
CN108003629A (zh) * | 2017-11-25 | 2018-05-08 | 天长市荣盛有机硅科技有限公司 | 一种电力电气护套用耐拉伸硅橡胶的制备方法 |
CN110808133A (zh) * | 2018-08-06 | 2020-02-18 | 国网江西省电力有限公司电力科学研究院 | 一种光热、电热混合型直流防冰复合绝缘子 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108389664B (zh) * | 2017-10-11 | 2024-03-12 | 国家电网公司 | 能抑制金属电极腐蚀的特高压直流盘型悬式绝缘子 |
CN112940619A (zh) * | 2021-03-16 | 2021-06-11 | 甘肃欣利达电力器材有限公司 | 一种电力系统输电线路用多功能复合涂料 |
CN113278398B (zh) * | 2021-05-24 | 2022-04-15 | 中电保力(北京)科技有限公司 | 一种复合绝缘子修补胶及其制备方法 |
CN114792589A (zh) * | 2022-04-20 | 2022-07-26 | 王福有 | 高强度有机硅硅橡胶盘形悬式瓷、玻璃复合绝缘子 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86106523A (zh) * | 1986-10-03 | 1988-04-13 | 大连电瓷厂 | 超高压直流输电线路悬式绝缘子陶瓷 |
JP2664616B2 (ja) * | 1993-03-25 | 1997-10-15 | 日本碍子株式会社 | ノンセラミック碍子の気密構造 |
JP3910660B2 (ja) * | 1996-05-24 | 2007-04-25 | 古河電気工業株式会社 | 送電線用高電圧機器部品 |
CN2546987Y (zh) * | 2002-05-17 | 2003-04-23 | 帅上本 | 防鸟粪复合绝缘子 |
CN1284190C (zh) * | 2004-10-22 | 2006-11-08 | 西安交通大学 | 可提高沿面闪络电压的真空绝缘子涂层及制备工艺 |
CN1693368A (zh) * | 2005-07-21 | 2005-11-09 | 江苏宏达化工新材料股份有限公司 | 用于注射成型复合硅橡胶绝缘子混炼胶专用料的制备方法 |
-
2006
- 2006-01-17 CN CNB2006100328952A patent/CN100412996C/zh active Active
- 2006-12-27 WO PCT/CN2006/003621 patent/WO2007082455A1/zh active Application Filing
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2360703A4 (en) * | 2008-11-20 | 2015-04-08 | Wuhan desai electric power equipment co ltd | ISOLATOR FOR IMPROVING THE VOLTAGE STRENGTH OF AN EXTERNAL INSOLATION |
EP2360703A1 (en) * | 2008-11-20 | 2011-08-24 | Wuhan Desai Electric Power Equipment Co., Ltd. | An insulator capable of improving the electrical strength of external insulation |
CN101781463B (zh) * | 2009-01-19 | 2012-01-11 | 浙江元通线缆制造有限公司 | 一种耐火硅橡胶及其制备方法和电缆 |
CN101870816A (zh) * | 2010-07-16 | 2010-10-27 | 黄春尧 | 环保型硅橡胶及其制作方法 |
CN102005271B (zh) * | 2010-12-20 | 2012-07-25 | 东莞市高能电气股份有限公司 | 带内伞裙结构的分节式特高压支柱复合绝缘子 |
CN102005271A (zh) * | 2010-12-20 | 2011-04-06 | 东莞市高能电气股份有限公司 | 带内伞裙结构的分节式特高压支柱复合绝缘子 |
CN102156249B (zh) * | 2011-03-03 | 2013-01-23 | 南方电网科学研究院有限责任公司 | 一种高海拔特高压直流绝缘子长期带电测评方法 |
CN102156249A (zh) * | 2011-03-03 | 2011-08-17 | 南方电网科学研究院有限责任公司 | 一种高海拔特高压直流绝缘子长期带电测评方法 |
CN102157252B (zh) * | 2011-04-14 | 2012-11-14 | 株洲时代新材料科技股份有限公司 | 一种复合横担绝缘子的制造方法及产品 |
CN102157252A (zh) * | 2011-04-14 | 2011-08-17 | 株洲时代新材料科技股份有限公司 | 一种复合横担绝缘子的制造方法及产品 |
CN103187129A (zh) * | 2013-03-01 | 2013-07-03 | 湖南省电力公司科学研究院 | 防覆冰均压盘 |
CN103187129B (zh) * | 2013-03-01 | 2016-02-24 | 湖南省电力公司科学研究院 | 防覆冰均压盘 |
CN103165247A (zh) * | 2013-03-21 | 2013-06-19 | 江苏南瓷绝缘子有限公司 | 新型长棒形瓷复合绝缘子及其制作方法 |
CN103165247B (zh) * | 2013-03-21 | 2015-09-02 | 江苏南瓷绝缘子股份有限公司 | 新型长棒形瓷复合绝缘子及其制作方法 |
CN108003629A (zh) * | 2017-11-25 | 2018-05-08 | 天长市荣盛有机硅科技有限公司 | 一种电力电气护套用耐拉伸硅橡胶的制备方法 |
CN110808133A (zh) * | 2018-08-06 | 2020-02-18 | 国网江西省电力有限公司电力科学研究院 | 一种光热、电热混合型直流防冰复合绝缘子 |
Also Published As
Publication number | Publication date |
---|---|
CN100412996C (zh) | 2008-08-20 |
WO2007082455A1 (fr) | 2007-07-26 |
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Owner name: CHINA SOUTHERN POWER GRID CO.; DONGGUAN HIGH ENERG Free format text: FORMER NAME OR ADDRESS: CHINA SOUTHERN POWER GRID CO.; GAONENG INDUSTRY CO., LTD., DONGGUAN CITY |
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Address after: 2, Jing Hui Road, Dongcheng District, Guangdong, Dongguan Province, 523111 Co-patentee after: DONGGUAN GAONENG ELECTRIC Co.,Ltd. Patentee after: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Address before: Room 40, 6 Hua Sui Road, Zhujiang New Town, Guangzhou, Guangdong, zip code: 510620 Co-patentee before: DONGGUAN GAONENG INDUSTRIAL Co.,Ltd. Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID |
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Address after: Room 40, 6 Hua Sui Road, Zhujiang New Town, Guangzhou, Guangdong, zip code: 510620 Co-patentee after: DONGGUAN GAONENG ELECTRIC Co.,Ltd. Patentee after: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Address before: 2, Jing Hui Road, Dongcheng District, Guangdong, Dongguan Province, 523111 Co-patentee before: DONGGUAN GAONENG ELECTRIC Co.,Ltd. Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID |
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Address after: 510620 Guangdong city in Guangzhou Province, the Pearl River Metro No. 6 room 40 Hua Sui Road Patentee after: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee after: Changyuan High Energy Electric Co.,Ltd. Address before: 510620 Guangdong city in Guangzhou Province, the Pearl River Metro No. 6 room 40 Hua Sui Road Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee before: DONGGUAN GAONENG ELECTRIC Co.,Ltd. |
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Effective date of registration: 20210825 Address after: 510700 3rd, 4th and 5th floors of building J1 and 3rd floor of building J3, No.11 Kexiang Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: China South Power Grid International Co.,Ltd. Patentee after: Changyuan High Energy Electric Co.,Ltd. Address before: 510620 Guangdong city in Guangzhou Province, the Pearl River Metro No. 6 room 40 Hua Sui Road Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee before: Changyuan High Energy Electric Co.,Ltd. |
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Address after: 510620 Guangdong city in Guangzhou Province, the Pearl River Metro No. 6 room 40 Hua Sui Road Patentee after: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee after: Changyuan High Energy Electric Co.,Ltd. Address before: 510620 Guangdong city in Guangzhou Province, the Pearl River Metro No. 6 room 40 Hua Sui Road Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee before: DONGGUAN GAONENG ELECTRIC Co.,Ltd. |
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Effective date of registration: 20210827 Address after: 510700 3rd, 4th and 5th floors of building J1 and 3rd floor of building J3, No.11 Kexiang Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: China South Power Grid International Co.,Ltd. Patentee after: Changyuan High Energy Electric Co.,Ltd. Address before: 510620 Guangdong city in Guangzhou Province, the Pearl River Metro No. 6 room 40 Hua Sui Road Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee before: Changyuan High Energy Electric Co.,Ltd. |