Density of transformer oil depends on the manufacturer. This website uses cookies to improve your experience. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. The exact density of transformer oil depends upon the manufacturer but, expressed in SI units, is typically a little less than 900 kg/m3 at 20oC. In the domestic market, the standard density range varies from 840 to 890 kg/m3, depending on oil’s chemical composition.
The specific density of transformer oil will vary based on the manufacturer and region or location where the oil will be primarily used. Viscosity is a parameter which affects heat transfer with natural circulation of oil in small transformers, and forced circulation by pumps inside large transformers. The … Thus, the density of transformer oil is among major physical characteristics, because this equation includes other parameters.
Kinematic viscosity or specific internal friction coefficient is the ratio of the dynamic viscosity at a given temperature and density. The particular density of transformer oil will fluctuate depending on the producer and district or area where the oil will be basically utilized. Along with other indicators, such as specific heat, thermal conductivity, kinematic and dynamic viscosity, thermal diffusivity, etc., the density of transformer oil characterizes his performance and quality. Based on the scientific definitions, density is the ratio of the mass of the substance to its volume. And just as density depends on the raw material, other characteristics may depend on density, thus simplifying the procedure for examination of transformer oil quality.
With increasing temperature, density of oil decreases. Read More.
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The density of transformer oil belongs to the most important of its physical characteristics, which largely determine the quality of the oil and its performance. This website uses cookies so that we can provide you with the best user experience possible. With increasing temperature, density of oil decreases. But basically, this number can not exceed 900 kg/m3 at 20°C. Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings. Notwithstanding the factors that decide the density of the oil, the density number ought not to surpass 900 kg/m3 at a foreordained temperature of +20°C/+68°F.
Transformer Oil Density: Equation with Unknown Variables, Transformer Oil Regeneration Plant CMM-2R, Transformer Oil Purification Plant CMM-1.0, Transformer Oil Purification Plant CMM 1/6, Transformer Oil Purification Plant CMM-2.2, Bitumen emulsion plant UVB-1 (Production capacity 1 m3/hour). In practice, it is also very important to calculate the index of oil viscosity at low temperatures to work in the Arctic, the experimental determination of which is quite complex. This figure describes the function of the transformer oil as a coolant, and, on the other hand, influences its dielectric strength. The viscosity of any fluid, including oil, is characterized by its ability to offer resistance when moving one portion of the liquid relative to the other. If you disable this cookie, we will not be able to save your preferences.
Moreover, the density of transformer oil is a benchmark for calculating other characteristics. Density of transformer oil depends on the manufacturer. Therefore, calculation of viscosity always remains an important part of any examination of the fluid, and generally requires the average to match both functions of transformer oil.
Density of Transformer Oil at 29.5oC is 0.89g/cm3. This means that every time you visit this website you will need to enable or disable cookies again. Despite the variables that determine the density of the oil, the density number should not exceed 900 kg / m3 at a predetermined temperature of +20°C/+68°F. Requirements for transformer oil in accordance with its intended purpose (insulating material, heat dissipation and arc extinguishing medium, and the medium protecting solid insulation against the ingress of moisture and air) are reflected in the technical standards and documents. But basically, this number can not exceed 900 kg/m3 at 20°C. Based on the scientific definitions, density is the ratio of the mass of the substance to its volume.
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