JPS6030890B2 - Insulating oil stability test equipment - Google Patents
Insulating oil stability test equipmentInfo
- Publication number
- JPS6030890B2 JPS6030890B2 JP8441278A JP8441278A JPS6030890B2 JP S6030890 B2 JPS6030890 B2 JP S6030890B2 JP 8441278 A JP8441278 A JP 8441278A JP 8441278 A JP8441278 A JP 8441278A JP S6030890 B2 JPS6030890 B2 JP S6030890B2
- Authority
- JP
- Japan
- Prior art keywords
- insulating oil
- sealed container
- test equipment
- voltage electrode
- circulation pipe
- 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.)
- Expired
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
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に関するものである
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an insulating oil stability testing device.
試験法ASTMD1313 ASTMD2440および
JISC2101に記載された従来の絶縁油の安定度試
験は、規定の温度および時間における全酸価の値とスラ
ッジの量で判断されてきた。このような規格試験で絶縁
油の酸化安定度を調べることは、それ自体大切なことで
あるが、実用上はスラッジがでるまでの電気抵抗や譲電
正俵などの電気特性の縫時変化も知っておくことが必要
である。Conventional insulating oil stability tests described in Test Methods ASTM D1313, ASTM D2440, and JISC2101 have been judged by the total acid number value and the amount of sludge at a specified temperature and time. Examining the oxidation stability of insulating oil through such standard tests is important in itself, but in practice, it is also important to check changes in electrical properties such as electrical resistance and yield strength during sewing until sludge appears. It is necessary to know.
この発明は上記実情にかんがみて成されたもので、全酸
価とスラッジ量を容易に検出し得るのみならず、酸化劣
化過程における絶縁油の電気抵抗および誘電正接が精度
よく測定できる安定度試験装置を提供することを目的と
するものである。This invention was made in view of the above circumstances, and is a stability test that not only allows easy detection of the total acid value and amount of sludge, but also allows accurate measurement of the electrical resistance and dielectric loss tangent of insulating oil during the oxidative deterioration process. The purpose is to provide a device.
以下、この発明における絶縁油の安定度試験装置の一実
施例の構成を第1図に基づいて説明する。図において、
1は金属製の容器で、その内壁は樹脂あるいはガラス等
により表面処理されている。Hereinafter, the structure of an embodiment of the insulating oil stability testing apparatus according to the present invention will be explained based on FIG. 1. In the figure,
Reference numeral 1 denotes a metal container, the inner wall of which is surface-treated with resin, glass, or the like.
2はこの容器1の上部をおおう蓋で、容器1と共に密閉
容器20を構成している。Reference numeral 2 denotes a lid that covers the upper part of the container 1, and together with the container 1 constitutes a closed container 20.
3は密閉容器20内に所容量収納される絶縁油、4は密
閉容器20の外側壁に配設され絶縁油3を加熱するため
のヒータ、5は蓋2に設けられバルブ6を介して密閉容
器20の内外を蓮逸する供V給口で、酸素ガスを供給す
るためのものである。3 is insulating oil stored in a certain amount in the sealed container 20; 4 is a heater provided on the outer wall of the sealed container 20 to heat the insulating oil 3; 5 is provided in the lid 2 and sealed via a valve 6. This is a V supply port that passes inside and outside the container 20, and is for supplying oxygen gas.
7は絶縁油3の温度を測定するために設けられた温度計
、8は両端が絶縁油3中に閉口し液体ポンプ9の作用に
よりその内部に絶縁油3を循環させる循環管路、10は
この循環管路8の途中に設けられる同軸円筒電極で、第
2図に示すごとく筒状に形成された高圧電極10aとそ
の内側に所定の間隙10bを介して配設される低圧電極
10cおよびこの低圧電極10cの両端に付設されるガ
ード電極10dにより構成されている。7 is a thermometer provided to measure the temperature of the insulating oil 3; 8 is a circulation pipe whose both ends are closed in the insulating oil 3 and circulates the insulating oil 3 therein by the action of a liquid pump 9; The coaxial cylindrical electrodes are provided in the middle of this circulation pipe 8, and include a high voltage electrode 10a formed in a cylindrical shape as shown in FIG. It consists of guard electrodes 10d attached to both ends of the low voltage electrode 10c.
11は循環路8からバルブ12を介して分岐する採油口
、13はバルブ14を介して密閉容器20の内外を蓮適
するガス排出口で、外側の一端は油溜15に挿入されて
いる。Reference numeral 11 denotes an oil intake port which branches from the circulation path 8 via a valve 12, and 13 indicates a gas discharge port which flows into and out of the closed container 20 via a valve 14, and one outer end thereof is inserted into an oil reservoir 15.
次に、上記のように構成された絶縁油の安定度試験装置
の作用を説明する。Next, the operation of the insulating oil stability testing apparatus configured as described above will be explained.
まず液体ポンプ9を作動させ、絶縁油3を循環管路8内
に循環させながら、バルブ6、14は開、バルブ12は
閉の状態で供給口5から酸素ガスを密閉容器20内に送
り込みヒータ4で絶縁油3を所定の温度に加熱した後、
同軸円筒電極10により高圧電極10aと低圧電極10
cの間に在する間隙10bを循環する絶縁油3の電気抵
抗、誘電正援が測定される。First, the liquid pump 9 is operated to circulate the insulating oil 3 into the circulation pipe 8, while the valves 6 and 14 are open and the valve 12 is closed, oxygen gas is sent into the closed container 20 from the supply port 5 and the heater is heated. After heating the insulating oil 3 to the specified temperature in step 4,
A high voltage electrode 10a and a low voltage electrode 10 are formed by a coaxial cylindrical electrode 10.
The electrical resistance and dielectric support of the insulating oil 3 circulating in the gap 10b existing between
又、バルブ12を関とすると循環管路8から分岐された
採油口11からは必然的に絶縁油3が孫出され、例えば
絶縁破壊強度、界面張力、色度、スラッジ量などの計測
あるいは計量が出来る。なおこの装置は同軸円筒電極1
0を密閉容器20内に収納しているため採油時に発生す
る吸湿や汚染などの外的要因が入らないので、精度よく
電気特性の評価ができる利点がある。更に同軸円筒電極
10‘こ直流電圧を印加したまま伝導電流を記録させれ
ば、電気抵抗の酸化劣化過程を連続的に追跡することが
できる。同様に交流電圧を印加したままオートマチック
キャパシタンスブリッジで誘電正俵を連続的に記録させ
ることもできる。又、第3図に示す他の実施例のように
、同軸円筒電極10を2個密閉容器20内に並列又は直
列に収納し、一方は電気抵抗測定用とし、他方を誘電正
鞍測定用として、連続的に同時測定させることもできる
。さらに図示されていないがガス用および絶縁油用の流
量計等が適宜必要に応じて付加されることは言うまでも
ない。Furthermore, when the valve 12 is connected, the insulating oil 3 is inevitably discharged from the oil extraction port 11 branched from the circulation pipe 8, and is used for measuring or weighing, for example, dielectric breakdown strength, interfacial tension, chromaticity, sludge amount, etc. I can do it. This device has coaxial cylindrical electrode 1.
0 is housed in a sealed container 20, external factors such as moisture absorption and contamination that occur during oil extraction are not introduced, which has the advantage of allowing accurate evaluation of electrical characteristics. Furthermore, by recording the conduction current while applying a DC voltage to the coaxial cylindrical electrode 10', it is possible to continuously track the oxidative deterioration process of the electrical resistance. Similarly, dielectric positive bales can be continuously recorded using an automatic capacitance bridge while applying an alternating voltage. Further, as in another embodiment shown in FIG. 3, two coaxial cylindrical electrodes 10 are housed in a sealed container 20 in parallel or in series, one for measuring electrical resistance and the other for measuring dielectric positive saddle. , it is also possible to carry out continuous and simultaneous measurements. Although not shown in the drawings, it goes without saying that flowmeters for gas and insulating oil may be added as appropriate.
以上説明したようにこの発明における絶縁油の安定度試
験装置は循環管路を設けて絶縁油を循環させ、その途中
に電極を配設することにより精度よく電気抵抗および謙
露正俊が経時的に測定でき、絶縁油の詳細な安定度を明
確にし得るという効果がある。As explained above, the insulating oil stability testing device according to the present invention is provided with a circulation pipe to circulate the insulating oil, and by arranging an electrode in the middle of the circulation pipe, the electrical resistance and Kenro Masatoshi can be accurately measured over time. It has the effect of being able to be measured and clarifying the detailed stability of the insulating oil.
第1図はこの発明における絶縁油の安定度試験装置の一
実施例の構成を示す概略図、第2図は第1図における装
置の主要部を構成する電極の構成を示す断面図、第3図
はこの発明における絶縁油の安定度試験装置の他の実施
例の構成を示す概略図である。
図において、3は絶縁油、4はヒータ、5は供給口、8
は循環管路、10は同軸円筒電極、20は密閉容器であ
る。
尚、各図中同一符号はそれぞれ同一又は相当部分を示す
。第2図
第1図
第3図FIG. 1 is a schematic diagram showing the configuration of an embodiment of the insulating oil stability testing device according to the present invention, FIG. The figure is a schematic diagram showing the structure of another embodiment of the insulating oil stability testing device according to the present invention. In the figure, 3 is insulating oil, 4 is a heater, 5 is a supply port, 8
1 is a circulation pipe, 10 is a coaxial cylindrical electrode, and 20 is a closed container. Note that the same reference numerals in each figure indicate the same or corresponding parts. Figure 2 Figure 1 Figure 3
Claims (1)
閉容器内に酸素ガスを供給するための供給口と、上記絶
縁油を所定の温度に加熱するためのヒータと、上記密閉
容器の内外にわたつて配設され両端が上記絶縁油中に開
口して上記絶縁油を循環させる循環管路と、上記密閉容
器の外部において上記循環路から分岐された採油口と、
上記密閉容器の内部において上記循環管路の途中に接続
され筒状の高圧電極とその内側に所定の間隙を介して配
設された低圧電極でなる同軸円筒電極を備えてなる絶縁
油の安定度試験装置。 2 2個の同軸円筒電極を備えた特許請求の範囲第1項
記載の絶縁油の安定度試験装置。[Scope of Claims] 1. A sealed container for storing a predetermined amount of insulating oil therein, a supply port for supplying oxygen gas into the sealed container, and a heater for heating the insulating oil to a predetermined temperature. , a circulation pipe that is disposed inside and outside of the sealed container and has both ends opened into the insulating oil to circulate the insulating oil; and an oil extraction port that is branched from the circulation path outside the sealed container;
Stability of insulating oil comprising a coaxial cylindrical electrode, which is connected to the middle of the circulation pipe inside the airtight container and consists of a cylindrical high-voltage electrode and a low-voltage electrode arranged inside the cylindrical high-voltage electrode with a predetermined gap between them. Test equipment. 2. The insulating oil stability testing device according to claim 1, comprising two coaxial cylindrical electrodes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8441278A JPS6030890B2 (en) | 1978-07-10 | 1978-07-10 | Insulating oil stability test equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8441278A JPS6030890B2 (en) | 1978-07-10 | 1978-07-10 | Insulating oil stability test equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5510578A JPS5510578A (en) | 1980-01-25 |
JPS6030890B2 true JPS6030890B2 (en) | 1985-07-19 |
Family
ID=13829866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8441278A Expired JPS6030890B2 (en) | 1978-07-10 | 1978-07-10 | Insulating oil stability test equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6030890B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103868959A (en) * | 2014-04-04 | 2014-06-18 | 中国石油大学(华东) | Device and method for representing stability of heavy oil |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5885314A (en) * | 1981-11-17 | 1983-05-21 | Nissan Motor Co Ltd | Deterioration detector of engine oil |
JPS5942441A (en) * | 1982-09-01 | 1984-03-09 | Caterpillar Mitsubishi Ltd | Sensor for monitoring clouding of oil |
JPS5967451A (en) * | 1982-10-08 | 1984-04-17 | Mitsubishi Electric Corp | Deterioration tester for insulating oil |
JPS63167248U (en) * | 1987-04-20 | 1988-10-31 | ||
CN103760322A (en) * | 2014-01-17 | 2014-04-30 | 河南省恒生电子仪器有限公司 | Method of evaluating working condition of insulating oil of power transformer |
-
1978
- 1978-07-10 JP JP8441278A patent/JPS6030890B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103868959A (en) * | 2014-04-04 | 2014-06-18 | 中国石油大学(华东) | Device and method for representing stability of heavy oil |
CN103868959B (en) * | 2014-04-04 | 2016-06-15 | 中国石油大学(华东) | The device and method that a kind of mink cell focus stability characterizes |
Also Published As
Publication number | Publication date |
---|---|
JPS5510578A (en) | 1980-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109188213A (en) | A kind of power transformer interior fault imitative experimental appliance | |
US4426878A (en) | Viscosimeter | |
US3271112A (en) | Apparatus for laboratory testing | |
US2613250A (en) | Method for measuring resistivity of earth samples | |
JPS6030890B2 (en) | Insulating oil stability test equipment | |
US4589277A (en) | Process and apparatus for determining the percentage of a liquid contained in a liquid mixture | |
CN106597104A (en) | Device for detecting insulation resistance value of electric wire, and detection method thereof | |
US4071817A (en) | High temperature electrochemical cell tester | |
EP0339779B1 (en) | Automated capillary electrophoresis apparatus | |
US3123541A (en) | donnell | |
US3305468A (en) | Automatic titration apparatus | |
US2824789A (en) | Apparatus for analyzing a gas | |
CN108593714B (en) | Transformer internal moisture measurement system based on dielectric response characteristics of transformer built-in oiled paper insulation sample | |
JPH0217071B2 (en) | ||
CN210953903U (en) | Device for detecting moisture in oil based on sensor method | |
US2604392A (en) | Apparatus for determination of aniline point | |
US2679027A (en) | Measurement of dissolved water content of liquids | |
JPH04252945A (en) | Apparatus for monitoring moisture in oil of oil-filled electric device | |
US2254399A (en) | Concentration testing apparatus and method | |
US3657731A (en) | Temperature detector for automatically compensating the influence of temperature upon electrolytic conductivity | |
RU49269U1 (en) | DEVICE FOR MEASURING FLASH TEMPERATURE OF LIQUID OIL PRODUCTS | |
JPH0339261B2 (en) | ||
CN208350707U (en) | A kind of zirconium oxide oxygen amount detection device | |
White | THERMOELEMENTS OF PRECISION, ESPECIALLY FOR CALORIMETRY. | |
US2440386A (en) | Cell for measuring the electrical characteristics of materials |