KR101230701B1 - 전기 절연유 - Google Patents
전기 절연유 Download PDFInfo
- Publication number
- KR101230701B1 KR101230701B1 KR1020077003563A KR20077003563A KR101230701B1 KR 101230701 B1 KR101230701 B1 KR 101230701B1 KR 1020077003563 A KR1020077003563 A KR 1020077003563A KR 20077003563 A KR20077003563 A KR 20077003563A KR 101230701 B1 KR101230701 B1 KR 101230701B1
- Authority
- KR
- South Korea
- Prior art keywords
- acid
- insulating oil
- oil
- ester
- less
- Prior art date
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- 238000010292 electrical insulation Methods 0.000 title claims description 4
- 239000010735 electrical insulating oil Substances 0.000 claims abstract description 24
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims abstract description 22
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract description 21
- 230000015556 catabolic process Effects 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 35
- 150000002148 esters Chemical class 0.000 claims description 31
- -1 phenol compound Chemical class 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 239000002199 base oil Substances 0.000 claims description 10
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 claims description 9
- 230000007062 hydrolysis Effects 0.000 claims description 9
- 238000006460 hydrolysis reaction Methods 0.000 claims description 9
- 239000003112 inhibitor Substances 0.000 claims description 9
- 239000003963 antioxidant agent Substances 0.000 claims description 8
- 239000002216 antistatic agent Substances 0.000 claims description 8
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 claims description 8
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 claims description 8
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 claims description 8
- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 claims description 7
- 150000001718 carbodiimides Chemical class 0.000 claims description 7
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 claims description 6
- OILUAKBAMVLXGF-UHFFFAOYSA-N 3,5,5-trimethyl-hexanoic acid Chemical compound OC(=O)CC(C)CC(C)(C)C OILUAKBAMVLXGF-UHFFFAOYSA-N 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000009413 insulation Methods 0.000 abstract description 9
- 230000006866 deterioration Effects 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 125000004185 ester group Chemical group 0.000 abstract 1
- 238000010348 incorporation Methods 0.000 abstract 1
- 235000019198 oils Nutrition 0.000 description 30
- 229940117969 neopentyl glycol Drugs 0.000 description 17
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 6
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 4
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 4
- 239000012964 benzotriazole Substances 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 239000002480 mineral oil Substances 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 101000823778 Homo sapiens Y-box-binding protein 2 Proteins 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- WCQUXQDPAFJFHB-UHFFFAOYSA-N n,n'-bis(2-butylphenyl)methanediimine Chemical compound CCCCC1=CC=CC=C1N=C=NC1=CC=CC=C1CCCC WCQUXQDPAFJFHB-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MDWVSAYEQPLWMX-UHFFFAOYSA-N 4,4'-Methylenebis(2,6-di-tert-butylphenol) Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 MDWVSAYEQPLWMX-UHFFFAOYSA-N 0.000 description 1
- KCSOBOZCMQBPFM-UHFFFAOYSA-N 4-n,4-n-dinaphthalen-2-ylbenzene-1,4-diamine Chemical compound C1=CC(N)=CC=C1N(C=1C=C2C=CC=CC2=CC=1)C1=CC=C(C=CC=C2)C2=C1 KCSOBOZCMQBPFM-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical class CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 1
- 229920001774 Perfluoroether Polymers 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000005037 alkyl phenyl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- POOVXLCLGSARNP-UHFFFAOYSA-N n,n'-bis(2-propan-2-ylphenyl)methanediimine Chemical compound CC(C)C1=CC=CC=C1N=C=NC1=CC=CC=C1C(C)C POOVXLCLGSARNP-UHFFFAOYSA-N 0.000 description 1
- GPZRJTOZLDJPBA-UHFFFAOYSA-N n,n'-bis[2,3-di(propan-2-yl)phenyl]methanediimine Chemical compound CC(C)C1=CC=CC(N=C=NC=2C(=C(C(C)C)C=CC=2)C(C)C)=C1C(C)C GPZRJTOZLDJPBA-UHFFFAOYSA-N 0.000 description 1
- CMESPBFFDMPSIY-UHFFFAOYSA-N n,n'-diphenylmethanediimine Chemical compound C1=CC=CC=C1N=C=NC1=CC=CC=C1 CMESPBFFDMPSIY-UHFFFAOYSA-N 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical compound FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920013636 polyphenyl ether polymer Polymers 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- H01B3/20—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
- Lubricants (AREA)
Abstract
Description
샘플유 No. |
알코올 |
카르복실산(몰%) | |||||||
nC7 | nC8 | nC9 | nC10 | bC8 | bC9 | nC4 | nC12 | ||
1 | NPG | 100 | - | - | - | - | - | - | - |
2 | NPG | - | 100 | - | - | - | - | - | - |
3 | NPG | - | - | 100 | - | - | - | - | - |
4 | NPG | - | - | 50 | 50 | - | - | - | - |
5 | NPG | 30 | 35 | - | 35 | - | - | - | - |
6 | NPG | - | - | - | - | 100 | - | - | - |
7 | NPG | - | - | - | 70 | - | 30 | - | - |
8 | NPG | - | 20 | - | - | - | - | 80 | - |
9 | NPG | - | - | - | - | 10 | - | - | 90 |
10 | TMP | - | - | - | - | - | 100 | - | - |
11 | TMP | - | 70 | - | - | 30 | - | - | - |
12 | PE | - | - | - | - | - | 100 | - | - |
13 | PE | - | - | 20 | - | 80 | - | - | - |
14 | PE | - | - | - | - | 50 | - | - | 50 |
샘플유 No. |
동점도 (㎟/s) |
생분해성 (%) |
유동점 (℃) |
전체산가 (mgKOH/g) |
절연파괴 전압(kV) | 유전정접(%) | 인화점(℃) |
1 | 21 | 92 | -50미만 | 0.01 | 62 | 1.2 | 178 |
2 | 29 | 90 | -50.0 | 0.01 | 66 | 1.2 | 190 |
3 | 37 | 90 | -40.0 | 0.01 | 66 | 0.8 | 224 |
4 | 42 | 88 | -37.5 | 0.01 | 64 | 0.6 | 230 |
5 | 38 | 88 | -50.0 | 0.01 | 60 | 0.8 | 184 |
6 | 40 | 68 | -50미만 | 0.01 | 60 | 0.6 | 190 |
7 | 55 | 62 | -40.0 | 0.01 | 62 | 0.8 | 234 |
8 | 10미만 | 88 | -50미만 | 0.01 | 68 | 1.9 | 136 |
9 | 96 | 72 | -15.0 | 0.01 | 62 | 1.0 | 236 |
10 | 730 | 28 | -40.0 | 0.02 | 68 | 0.8 | 246 |
11 | 84 | 52 | -50미만 | 0.02 | 74 | 0.8 | 230 |
12 | 2970 | 23 | -15.0 | 0.02 | 60 | 0.8 | 250 |
13 | 446 | 46 | -20.0 | 0.02 | 66 | 1.1 | 256 |
14 | 855 | 64 | -7.5 | 0.01 | 64 | 1.2 | 260 |
샘플유 No. |
DBPC(%) | PNA(%) | BTA(ppm) | BBPC(%) |
PGE(%) | 산화안정도시험 | |
전체산가(mgKOH/g) | 슬러지(%) | ||||||
15 | - | - | - | - | - | 0.24 | 0.16 |
16 | - | - | 10 | - | - | 0.09 | 0.05 |
17 | 0.3 | - | - | - | - | 0.04 | 0.03 |
18 | - | 0.1 | 10 | - | - | 0.06 | 0.03 |
19 | - | - | - | 0.1 | - | 0.08 | 0.05 |
20 | - | - | 10 | - | 0.1 | 0.05 | 0.04 |
21 | - | - | 10 | 0.1 | - | 0.03 | 0.03 |
22 | 0.3 | - | 10 | - | - | 0.03 | 0.03 |
Claims (5)
- 네오펜틸글리콜과 탄소수 7∼10 의 직쇄 또는 분기 카르복실산 중 1 종 이상으로 이루어지는 에스테르를 기유 전체량 기준으로 50질량% 이상 함유하는 기유를 포함하고, 0℃ 에서의 동점도가 10∼200㎜2/s, 절연 파괴 전압이 30kV 이상, 생분해성이 60% 이상, 유동점이 -30℃ 이하, 유전 정접이 2% 이하 및 전체 산가가 0.1㎎KOH/g 이하인 전기 절연유.
- 제 1 항에 있어서,상기 에스테르가, 네오펜틸글리콜과 n-헵탄산, n-옥탄산, n-노난산, n-데칸산, 2-에틸헥산산 및 3,5,5-트리메틸헥산산 중 적어도 1 종의 에스테르를 함유하는 것을 특징으로 하는 전기 절연유.
- 제 1 항에 있어서,상기 에스테르가, 네오펜틸글리콜과 탄소수 8 또는 9 의 분기 카르복실산의 에스테르 중 1 종 이상을 5몰% 이상 함유하는 것을 특징으로 하는 전기 절연유.
- 제 3 항에 있어서,상기 에스테르가, 네오펜틸글리콜과 2-에틸헥산산의 에스테르를 5∼100몰% 함유하는 것을 특징으로 하는 전기 절연유.
- 제 1 항에 있어서,산화 방지제로서의 페놀계 화합물, 아민계 화합물, 또는 페놀계 화합물 및 아민계 화합물, 대전 방지제로서의 트리아졸 화합물, 그리고 가수 분해 억제제로서의 카르보디이미드, 에폭시 화합물, 또는 카르복시이미드 및 에폭시 화합물 중 어느 1 종 이상이 각각 1질량% 이하 첨가되어 있는 것을 특징으로 하는 전기 절연유.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004298427 | 2004-10-13 | ||
JPJP-P-2004-00298427 | 2004-10-13 | ||
PCT/JP2005/016312 WO2006040888A1 (ja) | 2004-10-13 | 2005-09-06 | 電気絶縁油 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070064587A KR20070064587A (ko) | 2007-06-21 |
KR101230701B1 true KR101230701B1 (ko) | 2013-02-07 |
Family
ID=36148190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020077003563A KR101230701B1 (ko) | 2004-10-13 | 2005-09-06 | 전기 절연유 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4994846B2 (ko) |
KR (1) | KR101230701B1 (ko) |
CN (1) | CN1993775B (ko) |
WO (1) | WO2006040888A1 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5165307B2 (ja) * | 2007-08-23 | 2013-03-21 | Jx日鉱日石エネルギー株式会社 | 電気絶縁油及びその製造方法 |
JP5613395B2 (ja) * | 2009-09-18 | 2014-10-22 | Jx日鉱日石エネルギー株式会社 | 電動モータ油組成物 |
EP2920794A1 (en) * | 2012-11-13 | 2015-09-23 | E. I. du Pont de Nemours and Company | Blended oil compositions useful as dielectric fluid compositions and methods of preparing same |
GB201402571D0 (en) * | 2014-02-13 | 2014-04-02 | M & I Materials Ltd | Improvements in and relating to dielectric fluids |
EP3109304B1 (en) * | 2014-02-20 | 2021-01-13 | AGC Inc. | Composition for heat cycle system, and heat cycle system |
GB201502874D0 (en) * | 2015-02-20 | 2015-04-08 | M & I Materials Ltd | Low temperature dielectric fluid compositions |
JP6430319B2 (ja) * | 2015-04-15 | 2018-11-28 | 株式会社日立製作所 | 電気絶縁紙およびそれを用いた静止誘導電器 |
GB2541929B (en) * | 2015-09-04 | 2018-05-09 | M&I Mat Limited | Ester compositions for dielectric fluids |
CN105296051B (zh) * | 2015-10-20 | 2018-08-24 | 中国石油化工股份有限公司 | 一种可生物降解绝缘油及其制备方法 |
CN107903985A (zh) * | 2017-10-23 | 2018-04-13 | 中国科学院长春应用化学研究所 | 一种合成酯类牵引变压器油组合物及其制备方法 |
CN116478754B (zh) * | 2022-01-13 | 2024-07-12 | 中国石油天然气股份有限公司 | 一种具有高水解稳定性的酯型变压器油组合物 |
CN115449418B (zh) * | 2022-09-29 | 2023-12-01 | 国网湖南省电力有限公司 | 一种防火绝缘油 |
Citations (3)
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---|---|---|---|---|
KR950005695B1 (ko) * | 1990-11-16 | 1995-05-29 | 가부시끼가이샤 히다찌세이사꾸쇼 | 냉동장치 및 냉매 압축기 |
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KR100293318B1 (ko) * | 1998-08-27 | 2001-10-26 | 이종훈 | 전기절연유의전산값간이측정용시약의제조방법및측정용기구와이를이용한전산값측정방법 |
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JP2003119482A (ja) | 2001-10-10 | 2003-04-23 | New Japan Chem Co Ltd | 潤滑油 |
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CN1993775B (zh) | 2012-09-05 |
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JP4994846B2 (ja) | 2012-08-08 |
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