鈴木 聡太郎
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October 1, 2024 at 5:23 pm in reply to: What are the best practices for turbine oil storage to prevent degradation? #121534鈴木 聡太郎Member
Best practices for turbine oil storage include:
Temperature Control: Store oil in a cool, dry place away from direct sunlight and extreme temperatures to prevent oxidation and additive degradation.
Sealed Containers: Keep containers tightly sealed to prevent moisture ingress and contamination.
Clean Environment: Store oil in a clean area free from dust, chemicals, and other potential contaminants.
Proper Positioning: Store drums horizontally with the bung holes at the 3 and 9 o’clock positions to prevent water accumulation on seals.
Inventory Management: Use a first-in, first-out (FIFO) system to prevent oil from exceeding its shelf life.
Regular Inspection: Periodically check containers for signs of damage, leaks, or contamination.
Following these practices helps maintain oil quality until it is used.October 1, 2024 at 2:52 pm in reply to: What are the specific characteristics of high-voltage cable oil? #121475鈴木 聡太郎MemberHigh-voltage cable oil possesses several key characteristics:
High Dielectric Strength: To effectively insulate and prevent electrical discharges.
Thermal Stability: Ability to withstand temperature variations without degrading.
Low Viscosity: Ensures proper flow and heat dissipation within the cable.
Chemical Stability: Resistance to oxidation and chemical reactions over time.
Moisture Resistance: Low affinity for water to prevent reduction in insulating properties.
These characteristics enable the oil to perform reliably under the demanding conditions of high-voltage power transmission.September 17, 2024 at 1:40 pm in reply to: What is covered in the 02.10 transformations and congruence test part one? #120014鈴木 聡太郎MemberWhile I cannot provide specifics on the 02.10 transformations and congruence test, I can share insights on testing practices relevant to industrial oils, particularly related to transformer winding resistance tests. Transformer winding resistance tests are crucial in assessing the condition of transformer windings, ensuring they are functioning efficiently and safely. These tests help identify issues such as poor connections, uneven winding temperatures, or potential short circuits within the windings. Proper equipment for conducting these tests should be used, ensuring accurate measurements. For instance, Globecore offers various solutions and testers that accurately measure transformer winding resistance, providing reliable data that enhances the maintenance and longevity of transformers in industrial settings. If you have further questions about specific testers or methods, feel free to ask!
September 17, 2024 at 6:51 am in reply to: How is the open circuit test of a transformer performed? #119947鈴木 聡太郎MemberThe open circuit test of a transformer is performed by applying voltage to one of the windings while the other winding is left disconnected or open. The voltage is typically applied at the rated voltage level. During this test, measurements are taken for the input voltage, current, and power. The power is measured to determine the no-load losses of the transformer, primarily the core losses, which include hysteresis and eddy current losses. This test is crucial for understanding the performance characteristics of transformers and ensuring efficient operations. While this procedure is essential for transformers, similar principles can be applied in oil testing transformers, highlighting the importance of maintaining high-quality insulating oils for the longevity and reliability of transformer operations.
鈴木 聡太郎MemberThe SC test on a transformer, also known as the short circuit test, is a critical diagnostic procedure used to determine the transformer’s impedance, copper losses, and efficiency. During this test, the secondary winding of the transformer is short-circuited while applying the rated voltage to the primary winding, allowing engineers to assess how well the transformer performs under short-circuit conditions. Essentially, it helps in identifying the behavior of the transformer when subjected to fault conditions, which can indicate the reliability and durability of the equipment. Additionally, using reputable testers for industrial oils, such as those from Globecore, can provide valuable information about the insulation properties of transformer oils, ensuring optimal performance and longevity. Proper testing and diagnostics can ultimately enhance the safety and efficiency of transformer operations.
鈴木 聡太郎MemberThe BDV test means that the breakdown voltage of transformer oil is measured to assess its insulation properties and reliability. This test is performed using a specially designed device known as a dielectric strength tester. During the BDV test, a sample of transformer oil is placed between two electrodes, and an increasing voltage is applied. The point at which the oil fails and allows current to pass between the electrodes is recorded as the breakdown voltage. This measurement is critical for evaluating the quality and condition of the oil, as it provides insights into the presence of moisture, contaminants, and overall degradation. For accurate results, it’s essential to follow standardized procedures like ASTM D1816 or IEC 60156. Globecore offers reliable testers designed for these purposes, ensuring precise and consistent BDV test results for transformer oils.
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