EP4010911A4 - Kühlvorrichtung für einen transformator - Google Patents

Kühlvorrichtung für einen transformator Download PDF

Info

Publication number: EP4010911A4
Authority: EP; European Patent Office
Prior art keywords: transformer; cooling device; cooling
Prior art date: 2019-08-07
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.): Pending

Application number

EP19940317.1A

Other languages

English (en)

French (fr)

Other versions

EP4010911A1 (de

Inventor

Ye XU

Qingjun SUN

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Hitachi Energy Ltd

Original Assignee

Hitachi Energy Switzerland AG

Priority date (The priority date 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 date listed.)

2019-08-07

Filing date

2019-08-07

Publication date

2023-04-19

2019-08-07 Application filed by Hitachi Energy Switzerland AG filed Critical Hitachi Energy Switzerland AG

2022-06-15 Publication of EP4010911A1 publication Critical patent/EP4010911A1/de

2023-04-19 Publication of EP4010911A4 publication Critical patent/EP4010911A4/de

Status Pending legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Transformer Cooling (AREA)

EP19940317.1A 2019-08-07 2019-08-07 Kühlvorrichtung für einen transformator Pending EP4010911A4 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/CN2019/099578 WO2021022507A1 (en)	2019-08-07	2019-08-07	Cooling device for a transformer

Publications (2)

Publication Number	Publication Date
EP4010911A1 EP4010911A1 (de)	2022-06-15
EP4010911A4 true EP4010911A4 (de)	2023-04-19

Family

ID=74503308

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19940317.1A Pending EP4010911A4 (de)	2019-08-07	2019-08-07	Kühlvorrichtung für einen transformator

Country Status (3)

Country	Link
EP (1)	EP4010911A4 (de)
CN (1)	CN114190107B (de)
WO (1)	WO2021022507A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN114613579A (zh) *	2022-02-18	2022-06-10	广州西门子变压器有限公司	一种用于变压器的冷却系统
CN119137299A (zh) *	2022-07-07	2024-12-13	日本制铁株式会社	热轧钢板
EP4489038A1 (de) *	2023-07-04	2025-01-08	Hitachi Energy Ltd	Transformatoranordnung mit einem luftkanalelement, luftkanalelement und kühlsystem zum kühlen eines transformators
CN121331601B (zh) *	2025-12-16	2026-02-24	沈阳中天电力电气设备有限公司	一种单相1000赫兹干式变压器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN205194466U (zh) *	2015-11-04	2016-04-27	河北大唐国际王滩发电有限责任公司	一种发电机励磁变压器的冷却装置
CN107424764A (zh) *	2017-08-08	2017-12-01	芜湖市凯鑫避雷器有限责任公司	一种防尘散热可报警式干式变压器装置
CN108666076A (zh) *	2018-05-10	2018-10-16	南通盛洋电气有限公司	一种减噪降温干式变压器

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JPS5155915U (de) *	1974-10-28	1976-04-30
JP3046477B2 (ja) *	1993-08-18	2000-05-29	株式会社東芝	風冷式乾式変圧器
CN104376975A (zh) *	2014-11-28	2015-02-25	常州银河创新磁电有限公司	一种变压器结构
KR101678003B1 (ko) *	2015-05-04	2016-11-21	엘에스산전 주식회사	몰드 변압기의 냉각장치
CN204632506U (zh) *	2015-05-07	2015-09-09	仪征祥源动力供应有限公司	一种干式变压器用不停电更换风机装置
CN204596575U (zh) *	2015-05-29	2015-08-26	马鞍山当涂发电有限公司	一种便于在线更换冷却风机的干式变压器
CN104992815A (zh)	2015-08-03	2015-10-21	王磊	一种可散热的干式变压器装置
CN206401135U (zh) *	2016-12-30	2017-08-11	奇宏（厦门）电力变压器有限公司	一种易散热的变压器
JP6851936B2 (ja) *	2017-08-08	2021-03-31	東芝インフラシステムズ株式会社	モールド型静止誘導機器

2019
- 2019-08-07 EP EP19940317.1A patent/EP4010911A4/de active Pending
- 2019-08-07 CN CN201980099065.7A patent/CN114190107B/zh active Active
- 2019-08-07 WO PCT/CN2019/099578 patent/WO2021022507A1/en not_active Ceased

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN205194466U (zh) *	2015-11-04	2016-04-27	河北大唐国际王滩发电有限责任公司	一种发电机励磁变压器的冷却装置
CN107424764A (zh) *	2017-08-08	2017-12-01	芜湖市凯鑫避雷器有限责任公司	一种防尘散热可报警式干式变压器装置
CN108666076A (zh) *	2018-05-10	2018-10-16	南通盛洋电气有限公司	一种减噪降温干式变压器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021022507A1 *

Also Published As

Publication number	Publication date
CN114190107A (zh)	2022-03-15
WO2021022507A1 (en)	2021-02-11
EP4010911A1 (de)	2022-06-15
CN114190107B (zh)	2023-06-02

Legal Events

Date	Code	Title	Description
2021-02-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2022-05-13	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2022-05-13	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2022-06-15	17P	Request for examination filed	Effective date: 20220207
2022-06-15	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2022-11-16	DAV	Request for validation of the european patent (deleted)
2022-11-16	DAX	Request for extension of the european patent (deleted)
2023-04-19	A4	Supplementary search report drawn up and despatched	Effective date: 20230322
2023-04-19	RIC1	Information provided on ipc code assigned before grant	Ipc: H01F 27/08 20060101AFI20230316BHEP
2023-07-12	P01	Opt-out of the competence of the unified patent court (upc) registered	Effective date: 20230527
2023-12-13	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: HITACHI ENERGY LTD
2025-02-07	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2025-03-12	17Q	First examination report despatched	Effective date: 20250207

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