Corrosion Inhibited Dielectric Fluid
Transformer oil is typically divided based on its source, either from paraffinbased or naphthenic crude oil. However, with advancements in hydrogenation and reforming processes, paraffinbased crude oil can now yield transformer oil that resembles that from naphthenic crude oil. When evaluating the base oil of transformer oil, it is important to look beyond the standard physical and chemical properties to also consider the carbon structure, known as the family composition. This carbonbased structure views the complex base oil as a single molecule and includes three structural components: aromatic rings, naphthenic rings, and alkyl side chains. The Cp value indicates the percentage of carbon atoms in the alkyl side chain in relation to the total carbon atoms of the entire molecule.
Product Details：Corrosion Inhibited Dielectric Fluid
When selecting insulating oils for transformers, capacitors, and cables, priority should be given to mineral insulating oils derived from naphthenic crude oils. These oils must maintain stability in their physical and chemical properties when subjected to electromagnetic fields and various environmental conditions to ensure the safety and reliability of electrical equipment. The refining process for electrical insulating oils should focus on naphthenic hydrocarbons as the primary components, incorporating a sufficient quantity of stable aromatic hydrocarbons while minimizing the presence of paraffinic hydrocarbons, which are prone to cleavage due to their long straightchain structure.
Parameter：
Sports Event | Quality Indicators | Measured value | Test Methods |
Functional characteristics | |||
Pour Point/°C | -50 | -57.5 | ISO 3016 |
Kinematic viscosity (40℃)/(m㎡/s) | ≯12 | 9.52
| ISO 3104 |
Kinematic viscosity (-10°C)/(mm²/s) | ≯1800 | 1028 | ISO 3104 |
Water content/(mg/kg) | ≯30/40 | 9.0 | IEC 60814 |
Breakdown voltage/kV (untreated oil) | ≮30 | 64.5 | IEC 60156 |
Density (20°C)/(g/ml) | ≯895 | 886 | ISO 12185 |
Dielectric loss factor (90°C) | ≯0.005 | 0.0005 | IEC 60247 |
Refining/stabilizing properties | |||
Exterior condition | Clear and transparent, free of sediment and suspension (of atmospheric pollution) | Clear and transparent, free of sediment and suspension (of atmospheric pollution) | Visual assessment |
Acid value (mgKOH/g) | ≯0.01 | 0.0008 | IEC 62021- 1 |
Interfacial tension/(mN/m) | No general requirements | 45.3 | ISO 6295 |
Total sulfur content (mass fraction)/% | No general requirements | No general requirements | ISO 14596 |
Corrosive sulfur | non-corrosive | non-corrosive | DIN 51353 |
Content of antioxidant additives (mass fraction)/percent Oil with antioxidant additives (U) | ≯0.08 | 0.065 | IEC 60666 |
2-Furfural content/(mg/kg) | ≯0.1 | 0.012 | IEC 61198 |
Operational characteristics | |||
Oxidation stability (120°C) Test time: 332h | - | - | - |
--Total acid value (in KOH)/(mg/g) | ≯1.2 | 0.04 | IEC 61125 Act C |
--Oil sludge (mass fraction)/% | ≯0.8 | 0.020 | IEC 61125 Act C |
--Dielectric loss factor (90°C) | ≯0.500 | 0.004 | IEC 60247 |
Gassing/(mm/min) | No general requirements | No general requirements | IEC 60628 |
Health Safety and Environmental Characteristics (HSE) | |||
Flash point (closed)/°C | ≮135 | 148.2 | ISO 2719 |
PCA content (mass fraction)/% | ≯3 | 0.8 | BS 2000 Part 346 |
Polychlorinated biphenyl (PCB) content/(mass fraction)(mg/kg) | undetectable | undetectable | IEC 61619 |
1. Environmental Friendliness of Transformer Oil
Recycling and reuse: Through physical and chemical methods, transformer oils can be reprocessed to clear out impurities and contaminants, restoring their original performance levels.
Reclaimed Oil: Once reprocessed, transformer oils can exhibit similar properties to new oils, which helps conserve resources and lessen the reliance on new raw materials. Employing recycled oil is not only a cost-saving measure but also eases the environmental impact.
2. Factors Affecting Service Life
The design life of a transformer directly affects the longevity of its oil. Typically, the design life is set according to the expected service life of the oil. Therefore, during this designated period, the transformer oil should meet the operational standards required by the transformer. Environmental factors such as high temperatures, humidity, and pollution can also influence the lifespan of transformer oil. In poor environmental conditions, the oil's aging process accelerates, leading to a decrease in its service life.
Own Factory
The 80 - square - meter control room of Haikun enables precise production control.
Employees at Working
Haikun's foreign trade staff are proficient in industrial oil brand promotion. Their professional work helps build our brand globally.
Canned Oil Products
We at Haikun are pros at packing for sea - freight transportation. We use 200L steel drums and 20000L flexitanks, and have reliable packing solutions for transformer - related products.
Transportation
Haikun Petrochemical Technology Co., Ltd. has reliable shipping channels. We're experienced in sea freight, delivering insulating oils to South America and African countries.
Enterprise Culture
We uphold the "customer - centered" business concept and place customers' needs at the top of our priorities. By thoroughly grasping customers' requirements, we continuously improve our products and services, aiming to distinguish ourselves in the intense market competition and gain customers' favor.
Customer Testimonials
Haikun Petrochemical's industrial lubricants are fantastic. They listen to customers and offer products with precise parameters. The purchase process was easy. - Southeast Asia, Le Thi Lan
