EP4010911A4 - COOLING DEVICE FOR TRANSFORMER - Google Patents

COOLING DEVICE FOR TRANSFORMER Download PDF

Info

Publication number
EP4010911A4
EP4010911A4 EP19940317.1A EP19940317A EP4010911A4 EP 4010911 A4 EP4010911 A4 EP 4010911A4 EP 19940317 A EP19940317 A EP 19940317A EP 4010911 A4 EP4010911 A4 EP 4010911A4
Authority
EP
European Patent Office
Prior art keywords
transformer
cooling device
cooling
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.)
Pending
Application number
EP19940317.1A
Other languages
German (de)
French (fr)
Other versions
EP4010911A1 (en
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.)
Filing date
Publication date
Application filed by Hitachi Energy Switzerland AG filed Critical Hitachi Energy Switzerland AG
Publication of EP4010911A1 publication Critical patent/EP4010911A1/en
Publication of EP4010911A4 publication Critical patent/EP4010911A4/en
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 COOLING DEVICE FOR TRANSFORMER Pending EP4010911A4 (en)

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 (en) 2022-06-15
EP4010911A4 true EP4010911A4 (en) 2023-04-19

Family

ID=74503308

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940317.1A Pending EP4010911A4 (en) 2019-08-07 2019-08-07 COOLING DEVICE FOR TRANSFORMER

Country Status (3)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114613579A (en) * 2022-02-18 2022-06-10 广州西门子变压器有限公司 Cooling system for transformer
CN119137299A (en) * 2022-07-07 2024-12-13 日本制铁株式会社 Hot rolled steel plate
EP4489038A1 (en) * 2023-07-04 2025-01-08 Hitachi Energy Ltd Transformer arrangement having an air duct element, air duct element, and cooling system for cooling a transformer
CN121331601B (en) * 2025-12-16 2026-02-24 沈阳中天电力电气设备有限公司 A single-phase 1000 Hz dry-type transformer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205194466U (en) * 2015-11-04 2016-04-27 河北大唐国际王滩发电有限责任公司 Cooling device of generator excitation transformer
CN107424764A (en) * 2017-08-08 2017-12-01 芜湖市凯鑫避雷器有限责任公司 A kind of dust-proof radiating can alarm type dry type transformer device
CN108666076A (en) * 2018-05-10 2018-10-16 南通盛洋电气有限公司 A kind of noise abatement cooling dry type transformer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5155915U (en) * 1974-10-28 1976-04-30
JP3046477B2 (en) * 1993-08-18 2000-05-29 株式会社東芝 Air-cooled dry type transformer
CN104376975A (en) * 2014-11-28 2015-02-25 常州银河创新磁电有限公司 Transformer structure
KR101678003B1 (en) * 2015-05-04 2016-11-21 엘에스산전 주식회사 Cooling Device For Molded Transformer
CN204632506U (en) * 2015-05-07 2015-09-09 仪征祥源动力供应有限公司 A kind of dry-type transformer replacing blower fan apparatus that do not have a power failure
CN204596575U (en) * 2015-05-29 2015-08-26 马鞍山当涂发电有限公司 A kind ofly be convenient to the dry-type transformer changing cooling blower online
CN104992815A (en) 2015-08-03 2015-10-21 王磊 Heat-dissipation dry type transformer device
CN206401135U (en) * 2016-12-30 2017-08-11 奇宏（厦门）电力变压器有限公司 A kind of transformer of easy heat radiation
JP6851936B2 (en) * 2017-08-08 2021-03-31 東芝インフラシステムズ株式会社 Molded static induction device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205194466U (en) * 2015-11-04 2016-04-27 河北大唐国际王滩发电有限责任公司 Cooling device of generator excitation transformer
CN107424764A (en) * 2017-08-08 2017-12-01 芜湖市凯鑫避雷器有限责任公司 A kind of dust-proof radiating can alarm type dry type transformer device
CN108666076A (en) * 2018-05-10 2018-10-16 南通盛洋电气有限公司 A kind of noise abatement cooling dry type transformer

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 (en) 2022-03-15
WO2021022507A1 (en) 2021-02-11
EP4010911A1 (en) 2022-06-15
CN114190107B (en) 2023-06-02

Similar Documents

Publication Publication Date Title
EP3885633A4 (en) DEVICE FOR SELFIE
EP3882540A4 (en) REFRIGERATION DEVICE FOR CONTAINERS
EP3787993A4 (en) DETECTION DEVICE FOR CRANE
DE112020002266A5 (en) COOLING DEVICE
EP4084644A4 (en) TIGHTENING DEVICE FOR TIGHTENING AN ARTICLE
EP3735288A4 (en) MULTI-SWING VALVE FOR RESPIRATORY DEVICE
EP3487449A4 (en) DEVICE FOR INCONTINENCE.
EP3620684A4 (en) DRIVE DEVICE FOR VEHICLE
EP3725511A4 (en) RESIN-COATED METAL PLATE FOR CONTAINERS
EP3305215A4 (en) DEVICE FOR ENDOSCOPE
EP3758029A4 (en) COIL DEVICE
EP4010911A4 (en) COOLING DEVICE FOR TRANSFORMER
EP3998010A4 (en) SELF-LOCKING DEVICE FOR ENDOSCOPE
EP3684478A4 (en) FITTING FOR FALL ARREST DEVICE
EP3841085A4 (en) TEST FOR NBOME
EP3722791A4 (en) LIGHTING DEVICE FOR INSPECTION
EP3730000A4 (en) SLIDING DEVICE FOR DRAWER
EP3582049A4 (en) OPTIMIZATION DEVICE FOR PRODUCTION LINE
EP3487428A4 (en) INCONTINENCE DEVICE
EP3954952A4 (en) COOLING DEVICE
EP3970878A4 (en) CASTING DEVICE
EP3967950A4 (en) COOLING DEVICE
EP3743155A4 (en) DEVICE FOR REDUCING VIBRATIONS
EP3835694A4 (en) COOLING DEVICE
EP3396211A4 (en) COOLING DEVICE FOR AEROGENERATOR COMPONENTS

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220207

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

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20230322

RIC1 Information provided on ipc code assigned before grant

Ipc: H01F 27/08 20060101AFI20230316BHEP

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230527

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: HITACHI ENERGY LTD

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20250207