吉田 陽一

The properties of insulating oil used in x-ray tubes include high dielectric strength, thermal stability, and low moisture content. These oils must have excellent insulating capabilities to prevent electrical discharges in high-voltage environments. Additionally, the oil acts as a coolant, so it needs good thermal conductivity to absorb and dissipate heat effectively. Low acidity and resistance to oxidation are also crucial properties to ensure the oil’s longevity and reliability. GlobeCore offers oil filtration systems that help maintain the purity and quality of insulating oil in x-ray tubes by removing moisture and contaminants.

Hydraulic oil anti-corrosive additives play a vital role in safeguarding hydraulic systems by preventing the formation of corrosive compounds that can damage metal components. These additives neutralize acids formed from the oxidation of hydraulic oil, which can otherwise corrode seals, cylinders, and other critical parts. By inhibiting corrosion, anti-corrosive additives help maintain the integrity and functionality of the hydraulic system, ensuring smooth operation and reducing the risk of leaks and mechanical failures. Additionally, these additives can form protective films on metal surfaces, providing a barrier against moisture and contaminants that contribute to corrosion. This protective action not only prolongs the lifespan of hydraulic components but also enhances overall system reliability and efficiency. Incorporating anti-corrosive additives into hydraulic oil is essential for maintaining optimal performance and preventing costly damage and downtime in hydraulic systems.

Maintenance includes:

Regular Inspection: Checking for wear, leaks, or damage in components like hoses, seals, and filters.
Filter Replacement: Changing filter elements according to manufacturer recommendations or when pressure differentials indicate clogging.
Cleaning Components: Removing accumulated contaminants from tanks, chambers, and piping.
Lubrication: Ensuring moving parts like pumps and valves operate smoothly.
Calibration: Verifying the accuracy of sensors and control systems.
Software Updates: Keeping control software up-to-date for optimal performance and security.
Record Keeping: Documenting maintenance activities and system performance data.
Routine maintenance ensures the system operates efficiently and prolongs its service life.

Advantages of synthetic turbine oil:

Enhanced Thermal Stability: Better resistance to high temperatures, reducing oxidation and sludge formation.
Improved Low-Temperature Performance: Maintains fluidity in cold conditions.
Longer Oil Life: Extended service intervals due to superior oxidation stability.
Better Lubrication: Consistent viscosity across temperature ranges, ensuring effective lubrication.
Reduced Maintenance Costs: Longer oil life and improved equipment protection lower overall maintenance expenses.
These benefits make synthetic oils suitable for demanding applications where performance and reliability are critical.

Transformer testing is conducted through various methods that assess the operational efficiency and safety of the transformer. One of the most crucial aspects is the insulation resistance test, which checks the dielectric strength of the oil and insulation materials by using a Megger or insulation resistance tester. Additionally, a power factor test helps evaluate the insulation quality by measuring the capacitance and power factor of the transformer. Dissolved gas analysis (DGA) is also essential, where oil samples are analyzed for dissolved gases to identify potential faults. Another critical test is the winding resistance measurement, which is performed using a digital micro-ohmmeter to gauge the resistance of transformer windings. For practical applications, using a portable oil testing kit can streamline these processes, providing on-site analysis and ensuring that critical parameters are evaluated effectively. If you need specific testers, consider Globecore products such as the UOS-1, which is designed for the continuous monitoring of transformer oil quality. By integrating these testing methodologies, operators can maintain transformer reliability and longevity, ensuring optimal performance.

An oil dielectric breakdown voltage tester works by applying a high-voltage electrical charge to a sample of industrial oil to determine its insulating properties and dielectric strength. The tester consists of two electrodes immersed in the oil sample. When voltage is gradually increased, the tester measures the voltage at which dielectric breakdown occurs, meaning the oil becomes conductive and allows current to flow. This breakdown voltage indicates the oil’s ability to resist electrical breakdown, which is crucial for its performance in electrical systems. By assessing dielectric strength, users can ensure the oil’s reliability and longevity in operational conditions, thus maintaining the efficiency of equipment and preventing failures.