Transformer Oil For T-20
Crafted to perfection, our transformer oil is a colorless, low-density lipoprotein mineral oil with low viscosity, facilitating efficient heat dissipation. Its impressive flash point, exceeding 145°C, further enhances safety by reducing the risk of fire. Moreover, our oil's electrical properties are unparalleled, featuring a high electric breakdown voltage strength, remarkable insulation resistance, and a low dielectric loss factor, ensuring the highest standards of insulation quality.
Product Details：Transformer Oil For T-20
Crafted with low volatility, our transformer oil maintains stable oil volumes in equipment, thereby reducing the likelihood of accidents caused by oil shortage. Additionally, its superior corrosion resistance effectively shields equipment from detrimental chemical interactions and corrosion, testament to its unparalleled safety and quality.
PARAMETER：
Sports Event | Quality Indicators | measured value | Test Methods |
Functional characteristics | |||
Pour Point/°C | -30 | -38.8 | ISO 3016 |
Kinematic viscosity (40℃)/(m㎡/s) | ≯12 | 9.20
| ISO 3104 |
Kinematic viscosity (-10°C)/(mm²/s) | ≯1800 | 1089 | ISO 3104 |
Water content/(mg/kg) | ≯30/40 | 7.5 | IEC 60814 |
Breakdown voltage/kV (untreated oil) | ≮30 | 63.0 | IEC 60156 |
Density (20°C)/(g/ml) | ≯895 | 886 | ISO 12185 |
Dielectric loss factor (90°C) | ≯0.005 | 0.00045 | 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 | 46 | 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 | 0.042 | IEC 60666 |
2-Furfural content/(mg/kg) | ≯0.1 | 0.011 | 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 | 147.3 | 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. Foundational Sketch
Today's global scenario reveals a shared challenge in transformer safety, affecting both industrialized and developing countries alike. Transformer breakdowns, marked by arcs, discharges, and intense burning, often precipitate electrical malfunctions, from short circuits to complete system failures, causing blackouts, lighting disruptions, and in extreme cases, fires leading to loss of life. Thus, the international community is united in its efforts to secure the smooth and safe operation of transformers.
Transformer oil, serving as the primary insulating barrier, is indispensable to transformer and power system stability. Since 1887, mineral oil has held sway as the transformer oil of choice, owing to its abundant resources, economical pricing, and robust performance. In 1931, synthetic alternatives like polychlorinated biphenyls (PCBs) emerged, and silicone oil joined the fray in 1956. However, mineral transformer oil remains the cornerstone of electrical insulation, underscoring its enduring significance.
2. Appearance and Odor Check
Visual Examination: A premium transformer oil ought to exhibit clarity and transparency, devoid of any suspended particles or sedimentary residues. Cloudiness, turbidity, or discoloration in the oil could be indicative of contamination or advanced oxidation processes.
Aroma Evaluation: A conforming transformer oil should either be odorless or possess a faint kerosene scent. The presence of unconventional odors, including burnt, acetylene-like, or sour smells, serves as an indicator of deteriorating oil quality. To accurately discern the odor, gently agitate the oil sample and apply slight heat. Subsequently, rub a few drops of the oil between clean hands for a more discernible identification.
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Brand Story
Quality enhancement is a gradual endeavor, marked by numerous trials and tribulations. HaiKun Petrochemical, in its unyielding quest for perfection, has confronted myriad failures and setbacks, yet these experiences have fortified our dedication to quality. To this end, we've implemented an even stricter quality management system, meticulously monitoring every production phase to guarantee the utmost product quality. Additionally, we've embraced advanced testing technologies and expert personnel, continually refining our testing prowess to uphold product excellence. With this indomitable spirit of conquering difficulties and striving for excellence, HaiKun Petrochemical Technology Co., Ltd. has emerged victorious in the cutthroat market competition, leading the way in the foreign trade of petrochemical products. Our practical endeavors have vividly exemplified the notion that "Challenges Transform into Opportunities," establishing a fresh standard and paradigm for the industry.
