JP5923971B2 - 移動用変圧器 - Google Patents
移動用変圧器 Download PDFInfo
- Publication number
- JP5923971B2 JP5923971B2 JP2011283592A JP2011283592A JP5923971B2 JP 5923971 B2 JP5923971 B2 JP 5923971B2 JP 2011283592 A JP2011283592 A JP 2011283592A JP 2011283592 A JP2011283592 A JP 2011283592A JP 5923971 B2 JP5923971 B2 JP 5923971B2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- transformer
- palm
- flow
- insulating
- 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.)
- Active
Links
Images
Landscapes
- Transformer Cooling (AREA)
Description
強制対流管内乱流熱伝達のヌセルト数Nuは、Dittus−Boelterの式を用いるとNu=0.023×ReΛ0.8×PrΛ0.4と表すことができる。熱伝達率αは、α∝vΛ0.8×(ρ×c)Λ0.4×λΛ0.6/νΛ0.4で与えられる。表1の(ρ×c)Λ0.4×λΛ0.6/νΛ0.4の比、((0.86×2.02)/(0.88×1.86))Λ0.4×(1.26/1.23)Λ0.6/(5.06/8.13)Λ0.4=1.256より、鉱油の代わりにパームヤシ油を使用する場合の熱伝達率αの増加率(流速vの0.8乗を除いた物性値の違いによる効果)は、1.256倍となる。
Claims (2)
- タンク内に変圧器中身を収納すると共に絶縁油を封入した変圧器と、前記絶縁油を冷却する冷却器とを、移動可能な荷台に載置し、前記変圧器と前記冷却器間を送油管により連結し、前記送油管に絶縁油を循環させる送油ポンプを有する移動用変圧器において、前記絶縁油にはパームヤシ油を用い、前記送油ポンプは前記パームヤシ油の流速の最大値Vmaxを100cm/s≦Vmax≦500cm/sであって、該パームヤシ油の油流を乱流域に確保できるものを備えて構成したことを特徴とする移動用変圧器。
- 請求項1において、前記送油ポンプは1台以上を前記送油管に備えて構成したことを特徴とする移動用変圧器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011283592A JP5923971B2 (ja) | 2011-12-26 | 2011-12-26 | 移動用変圧器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011283592A JP5923971B2 (ja) | 2011-12-26 | 2011-12-26 | 移動用変圧器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013135050A JP2013135050A (ja) | 2013-07-08 |
JP5923971B2 true JP5923971B2 (ja) | 2016-05-25 |
Family
ID=48911565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011283592A Active JP5923971B2 (ja) | 2011-12-26 | 2011-12-26 | 移動用変圧器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5923971B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103486100B (zh) * | 2013-09-17 | 2015-07-22 | 常熟市高思达仪器设备有限公司 | 液压动力站结构 |
CN110431645A (zh) * | 2017-03-13 | 2019-11-08 | 学校法人同志社 | 变压器油、变压器油评价方法以及变压器油评价装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01135715U (ja) * | 1988-03-09 | 1989-09-18 | ||
CN101278362B (zh) * | 2005-09-09 | 2012-06-06 | 狮王株式会社 | 电绝缘油用基剂 |
JP2007150056A (ja) * | 2005-11-29 | 2007-06-14 | Daihen Corp | 移動用変圧器及びその注油方法並びに抜油方法 |
-
2011
- 2011-12-26 JP JP2011283592A patent/JP5923971B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2013135050A (ja) | 2013-07-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6400663B2 (ja) | 非接触給電トランス | |
JP5923971B2 (ja) | 移動用変圧器 | |
JP6852160B2 (ja) | 放熱流体組成物、その製造方法、それを含む電池モジュール及びバッテリーパック | |
AU2011239302B2 (en) | Electric equipment in which heat being dissipated through superficial temperature maintaining member and exchanging fluid | |
KR102086355B1 (ko) | 선형 전자기 장치 | |
Mitra et al. | Advances in the improvement of thermal-conductivity of phase change material-based lithium-ion battery thermal management systems: An updated review | |
DE102017200465A1 (de) | Drahtlose Aufladekontaktstelle mit Kühlmittelanordnung | |
US20140132381A1 (en) | Dry-type transformer | |
Taheri et al. | Investigation of mineral oil-based nanofluids effect on oil temperature reduction and loading capacity increment of distribution transformers | |
Subhedar et al. | Numerical investigation of performance for liquid-cooled cylindrical electrical vehicle battery pack using Al2O3/EG-water nano coolant | |
EP2793240A1 (en) | Superconducting cable, and device and method for cooling superconducting cable | |
US20140368059A1 (en) | Transformer, electronic apparatus, and method for controlling transformer | |
JP2022529905A (ja) | 誘電性熱管理流体およびその使用方法 | |
JP2012146542A (ja) | ケーブル | |
WO2016103439A1 (ja) | 車両用変圧器 | |
JP6144521B2 (ja) | 超電導ケーブルの冷却装置 | |
CN203607231U (zh) | 一种车载移动变压器 | |
CN208706384U (zh) | 一种油浸式变压器 | |
Carlen et al. | Life cycle assessment of dry-type and oil-immersed distribution transformers with amorphous metal core | |
US20200013535A1 (en) | Transformer oil, transformer oil evaluation method, and transformer oil evaluation apparatus | |
WO2016137792A1 (en) | Vibration stabilizer for enclosure cooling fins | |
CN117397092A (zh) | 具有包括液体组分和气体组分的热传递流体的热传递*** | |
Sachin et al. | Thermal Analysis of Insulation Oil for Transformer with and without Nano-fillers | |
Park et al. | A study on the design parameters of inductive power transformers | |
Dmitrieva et al. | Evaluation of the cooling system calculation technique for oil-immersed transformers |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20130513 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20140704 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20140704 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20140916 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150727 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150818 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150911 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160322 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160404 |
|
R150 | Certificate of patent (=grant) or registration of utility model |
Ref document number: 5923971 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |