JPS582659A - Insulating oil stability tester - Google Patents
Insulating oil stability testerInfo
- Publication number
- JPS582659A JPS582659A JP10014681A JP10014681A JPS582659A JP S582659 A JPS582659 A JP S582659A JP 10014681 A JP10014681 A JP 10014681A JP 10014681 A JP10014681 A JP 10014681A JP S582659 A JPS582659 A JP S582659A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- oil
- insulating oil
- valve
- circulating
- 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
Links
- 239000007789 gas Substances 0.000 claims abstract description 27
- 238000005070 sampling Methods 0.000 claims abstract description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims 4
- 239000010724 circulating oil Substances 0.000 claims 1
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 239000002253 acid Substances 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000004868 gas analysis Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 239000001301 oxygen Substances 0.000 description 11
- 229910052760 oxygen Inorganic materials 0.000 description 11
- 238000013112 stability test Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000012430 stability testing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
- G01N33/2876—Total acid number
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Relating To Insulation (AREA)
Abstract
Description
【発明の詳細な説明】 この発明は絶縁油の安定度試験装置の改良に関する。[Detailed description of the invention] This invention relates to an improvement in an insulating oil stability test device.
酸素を含んだ絶縁油は、鋼の存在によって劣化が促進さ
れることは古くから知られている。運転中の変圧器には
、絶縁油中に導体の鋼と、微量の残留酸素が共存し、運
転中は油温も嵩いので、絶縁油は劣化しやすい状況にあ
る。そこで絶縁油の安定度試験としては、既にム８↑Ｍ
Ｄ１３１３．ＪＩ８ Ｃ２１０１。It has long been known that the presence of steel accelerates the deterioration of oxygen-containing insulating oil. When a transformer is in operation, conductor steel and trace amounts of residual oxygen coexist in the insulating oil, and the oil temperature is high during operation, so the insulating oil is susceptible to deterioration. Therefore, as a stability test for insulating oil, M8↑M
D1313. JI8 C2101.
ム８１’ＭＤ２４４０などの試験法があり、広く利用さ
れている。There are test methods such as M81'MD2440, which are widely used.
これらの試験法は、２５〜５０−の絶縁油に酸素ガスあ
るいは空気を連続的に供給しながら、１１００−１２０
℃の温度で所定時間加熱する。安定度の評価は、加熱−
のスラッジ量と酸価によって行われる。These test methods involve continuously supplying oxygen gas or air to 25 to 50 insulating oil, while
Heating at a temperature of °C for a predetermined time. Evaluation of stability is based on heating
This is determined by the amount of sludge and acid value.
従来の方法では、試験油Ｉが極めて少くないため、油の
特性としては、全酸価以外の測定は困難である。壇九容
器の形状から、加熱中に試料油を採取し、特性を測定す
るのが纏かしいので、経時変化を把握することはできな
いなどの欠点を有していた。In the conventional method, since the amount of test oil I is extremely small, it is difficult to measure oil properties other than the total acid number. Due to the shape of the Dan-Kyu container, it is cumbersome to collect sample oil during heating and measure its properties, so it has disadvantages such as the inability to understand changes over time.
この発明は、上記従来の欠点を解消するためになされ九
４のて、酸素と絶縁油を循環させ、連続的に採油ができ
るとともに一定量の酸素だけで安定度試験を行うことの
できる絶縁油の安定度試験装置を提供することを目的と
する。This invention was made in order to eliminate the above-mentioned drawbacks of the conventional insulating oil.The present invention has been made to circulate oxygen and insulating oil, and to make it possible to continuously extract oil and conduct stability tests using only a certain amount of oxygen. The purpose is to provide a stability testing device for
以下、この発明の絶縁油の安定度試験装置の一実施例を
図に基づいて説明する。大容量変圧器の場合、前述のよ
う九油中Ｋａ微量の酸素しか残置していないので、これ
を模擬する九めこの発明は一定量の酸素て経時的に安定
度が測定でき、試験中及び試験後忙種々の特性測定が可
飽和なっている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the insulating oil stability testing device of the present invention will be described below with reference to the drawings. In the case of large-capacity transformers, as mentioned above, only a trace amount of oxygen remains in the oil, so this invention, which simulates this, can measure stability over time with a fixed amount of oxygen. After testing, various characteristic measurements have become saturated.
図における１は金属容器で６９、その上端は７ランジを
有しかつ開口１ａを有している。７ランジにはパツキン
３を介してふた２が固定畜れこの開口１＆が閉塞されて
いる０かくして密閉容器１１１が形成されている。金属
容器１内には絶１１ｍ４が充填されておや、金属容器１
のｊｌｓおよびその近傍の外周面にはヒータ５が設けら
れている。In the figure, 1 is a metal container 69, the upper end of which has 7 flanges and an opening 1a. 7. The lid 2 is fixed to the lunge through the seal 3, and the opening 1& of the cage is closed. Thus, a closed container 111 is formed. The metal container 1 is filled with 11m4.
A heater 5 is provided on the outer peripheral surface of jls and its vicinity.
一方、Ｓはガス袋であり、ガス袋６は三方パルプ１０に
連結されているとともに、ポンプＴ１ガス流量計８、ガ
ス分析用のテンプリンタロ９を介してパルプ１１に連結
されている。パルプ１０゜１１はそれぞれふた２を通し
て金属容器１と連通されており、４９にパルプ１０は金
属容６１の上部と密閉容器１１１の外部と連通し、パル
プ１１は絶縁油４と密閉容！ｓ１９の外部と通過するも
のであるＯ
パルプ１０ト１１間はループ状になって訃り、ポンプＴ
はこのループにガスを循環゛させるためのものであり、
そのガスの流量はガス流量計８で計測できるようになっ
ている。On the other hand, S is a gas bag, and the gas bag 6 is connected to the three-way pulp 10, and is also connected to the pulp 11 via a pump T1 gas flow meter 8 and a temper printer 9 for gas analysis. The pulps 10 and 11 are each communicated with the metal container 1 through the lid 2, and the pulp 10 is communicated with the upper part of the metal container 61 and the outside of the sealed container 111 at 49, and the pulp 11 is connected to the insulating oil 4 and the sealed container! The passage between the outside of s19 and the O pulp 10 to 11 forms a loop, and the pump T
is for circulating gas through this loop,
The flow rate of the gas can be measured by a gas flow meter 8.
また、注油パルプ１３はふた２を通して金属容器１と連
通しており、注油パルプ１３と連通する金属容器１内に
はフィルタ１２が設けられている＠さらＫ、金属容器１
に微積ポ、ンプ１５が連通するようＫなっており、この
循環ポンプ１５は流量計１６を介して循環管路１４に連
結されている。この循環管路１４は密閉容！１９内の絶
縁油を、循環ポンプ１５および流量計１６を介して循環
させるためのものである。In addition, the lubricating pulp 13 communicates with the metal container 1 through the lid 2, and a filter 12 is provided in the metal container 1 communicating with the lubricating pulp 13. @ Sara K, metal container 1
The circulation pump 15 is connected to the circulation pipe 14 via a flow meter 16. This circulation pipe 14 is a closed vessel! This is for circulating the insulating oil in 19 via the circulation pump 15 and flow meter 16.
流量計１６は念と見ば、オリフィス形浮子などが使用さ
れている。そして、上記循環管路１４の一部から採油パ
ルプＩＴを介して分岐している。As for the flow meter 16, an orifice type float or the like is used. Then, it branches off from a part of the circulation pipe 14 via the oil extracting pulp IT.
採油バルブ１７は絶縁油４を採油するためのものである
。The oil sampling valve 17 is for sampling the insulating oil 4.
なお、１８は絶縁油４の温度を測定する九めの温度計で
あり、ふた２を貫通して絶縁油４内に浸漬されている。Note that 18 is a ninth thermometer for measuring the temperature of the insulating oil 4, which penetrates through the lid 2 and is immersed in the insulating oil 4.
次に、以上のように構成されたこの発明の絶縁油の安定
度試験−置め動作について説明する。Next, a description will be given of the insulating oil stability test and placement operation of the present invention configured as described above.
まず、金−容ａｒｃ、所定量の触媒鋼（図示せず）を入
れた後、ふた２をしめる。三方バルブ１０から真空引き
し、パルプ１３から絶縁油４を注入する。First, a gold arc and a predetermined amount of catalytic steel (not shown) are put in, and then the lid 2 is closed. A vacuum is drawn from the three-way valve 10, and insulating oil 4 is injected from the pulp 13.
このとき、絶縁油４Ｉｉフイルタ１２を通過する際発泡
し、脱気と脱水が行われる。所定量の絶縁油４の注油が
終れば、三方バルブ１０をガス袋６に連通させる。ガス
！ｌｉＫは所要量の酸素、空気。At this time, the insulating oil 4Ii foams when passing through the filter 12, and is degassed and dehydrated. When the predetermined amount of insulating oil 4 has been filled, the three-way valve 10 is communicated with the gas bag 6. gas! liK is the required amount of oxygen, air.
窒素と酸素の混合ガスをあらかじめ封入してかく。A mixed gas of nitrogen and oxygen is sealed in advance.
三方バルブ１０でガス袋６に連通すると、油面空間の体
積だけ、ガス袋６が収縮するので、三方バルブ１０から
適宜窒素を補充すればよい。When the three-way valve 10 communicates with the gas bag 6, the gas bag 6 contracts by the volume of the oil surface space, so nitrogen can be replenished from the three-way valve 10 as appropriate.
加熱に際しては、ヒータ５に通電し、温度計１８により
、所定の温度に調節するとともに、油の循環ポンプ１５
とガス循環用のポンプＴを作動させる。循環のガス量と
油量は、ガス流量計８と油の流量計１６によりＩＥ定す
る。When heating, the heater 5 is energized, the temperature is adjusted to a predetermined level using the thermometer 18, and the oil circulation pump 15 is turned on.
and activate the gas circulation pump T. The amount of gas and oil to be circulated is determined by IE using a gas flow meter 8 and an oil flow meter 16.
加熱中に絶縁油４を採取したい場合には、採油バルブ１
Ｔから採油する。採油のため、ガス袋６が収縮する場合
には、三方バルブ１０から窒素を！牟しておく・
ｉ九、絶縁油４による酸素の吸収量、あるいは吸収速度
、さらに発生してきたガスの分析をしたい。If you want to collect insulating oil 4 during heating, use oil sampling valve 1.
Extract oil from T. When the gas bag 6 contracts due to oil extraction, nitrogen is supplied from the three-way valve 10! I would like to analyze the amount of oxygen absorbed by insulating oil 4, the absorption rate, and the gas generated.
場合は、サンプリングロ自からガスを採取するか、ガス
クロマトグラフに直結すればよい０以上、説明したよう
に、この発明のｌ８ＩＩｋ油の安定度試験装置によれば
、試験容器としての密閉容器を絶縁油が所望量収納され
得るように、また一定量の酸素で安定度をみるように構
成したので、加熱後、絶縁油の全酸価、界面張力８色度
あるいは絶縁破壊強度など、種々の特性の測定が可能で
ある・
また、採油口を設けたことにより、加熱中も油の特性変
化を把握することができるとともに、変圧器内で生じる
残留酸素量下での劣化挙動が把握することができるなど
、実用上の効果は大きい。As explained above, according to the l8IIk oil stability test device of the present invention, the gas can be collected from the sampling tank itself or directly connected to a gas chromatograph. Since the structure was designed so that the desired amount of oil could be stored and the stability was checked with a certain amount of oxygen, various properties such as the total acid value, interfacial tension, chromaticity, and dielectric breakdown strength of the insulating oil could be measured after heating. In addition, by providing an oil sampling port, it is possible to understand changes in oil characteristics even during heating, and it is also possible to understand deterioration behavior under the amount of residual oxygen that occurs inside the transformer. It has great practical effects.
図はこの発明の絶縁油の安定度試験装置の一実施例の構
成の概略を示す図である。
１・・・金属容器、２・・・ふた、４・・・絶縁油、５
・・・ヒータ、６・・・ガス袋、７．１５・・・ポンプ
、８・・・ガス流量針、９・・・サンプリング口、１０
・・・三方パルプ、１１・・・パルプ、１２・・・フィ
ルタ、１３・・・注油バルブ、１４・・・循環管路、１
５・・・循環ポンプ、１６・・・流量計、１７・・・採
油バルブ、１８・・・温度計、１９・・・密閉容器
代理人 葛 野 信 −The figure is a diagram schematically showing the configuration of an embodiment of the insulating oil stability testing device of the present invention. 1... Metal container, 2... Lid, 4... Insulating oil, 5
... Heater, 6 ... Gas bag, 7.15 ... Pump, 8 ... Gas flow needle, 9 ... Sampling port, 10
...Three-way pulp, 11...Pulp, 12...Filter, 13...Lubrication valve, 14...Circulation pipe, 1
5... Circulation pump, 16... Flow meter, 17... Oil extraction valve, 18... Thermometer, 19... Sealed container agent Shin Kuzuno -
Claims (1)
器□内とガス衾との間を一素ガスを良は酸素ガスと窒素
ガスの混合ガス□を循ｙａ＊せる手段と、上記絶縁油を
上記密閉容器の内部に循環させる循環管路と、この循環
管路の途中に設けられ上記絶縁油を振数するための採油
バルブとを備えてなるととを特徴とする絶縁油の安定度
試験装置。A sealed container for storing a predetermined amount of insulating oil therein, a means for circulating a monotonous gas or a mixed gas of oxygen gas and nitrogen gas □ between the sealed container □ and the gas chamber, and the above-mentioned insulation. Stability of insulating oil characterized by comprising: a circulation pipe for circulating oil into the inside of the sealed container; and an oil sampling valve provided in the middle of the circulation pipe for oscillating the insulating oil. Test equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10014681A JPS582659A (en) | 1981-06-26 | 1981-06-26 | Insulating oil stability tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10014681A JPS582659A (en) | 1981-06-26 | 1981-06-26 | Insulating oil stability tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS582659A true JPS582659A (en) | 1983-01-08 |
Family
ID=14266171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10014681A Pending JPS582659A (en) | 1981-06-26 | 1981-06-26 | Insulating oil stability tester |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS582659A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS603549A (en) * | 1983-06-21 | 1985-01-09 | House Food Ind Co Ltd | Method and device for measuring oxidative stability of fats and oils |
| JP2010101911A (en) * | 2005-06-17 | 2010-05-06 | Petrotest Instruments Gmbh & Co Kg | Method and device for accelerated oxidation test of fuel or mineral oil product, computer program for controlling the device, and memory media readable by computer |
-
1981
- 1981-06-26 JP JP10014681A patent/JPS582659A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS603549A (en) * | 1983-06-21 | 1985-01-09 | House Food Ind Co Ltd | Method and device for measuring oxidative stability of fats and oils |
| JP2010101911A (en) * | 2005-06-17 | 2010-05-06 | Petrotest Instruments Gmbh & Co Kg | Method and device for accelerated oxidation test of fuel or mineral oil product, computer program for controlling the device, and memory media readable by computer |
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