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Oliver Andersen
Oliver Andersen
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Oliver AndersenMember
If your goal is long-term immobilization of radioactive waste using materials and waterproofing technologies, think in terms of engineered containment systems rather than ad‑hoc coatings. Proven approaches combine an impermeable outer barrier (geomembranes such as HDPE or multilayer composite liners) with an internal immobilizing matrix: cementitious waste forms modified with polymers, bitumen encapsulation, or radiation‑resistant polymer matrices such as specially formulated epoxies or vinyl esters. Formulations must prioritize low permeability, chemical stability, resistance to gamma/alpha irradiation and radiolytic degradation, and mechanical integrity under thermal cycling and groundwater chemistry; mineral fillers (silica, barytes), swellable clays and antioxidant/stabilizer packages are commonly used to reduce diffusion and improve long‑term durability.
Quality control and qualification testing are critical: accelerated ageing under gamma dose, leach rate/permeability tests, adhesion and flexural testing after irradiation, and freeze–thaw/thermal cycling to simulate repository conditions. In manufacturing, robust dispersion and heating equipment (high‑shear mixers, heated reactors and dispersers used to produce bitumen emulsions or polymer‑modified cementitious binders) ensure homogeneous, reproducible products; GlobeCore mixing and heating systems are suitable for producing stable polymer‑bitumen and polymer‑modified binder batches. Final note: nuclear waste management is heavily regulated and site‑specific — work with licensed radioactive waste engineers and regulatory authorities to select a containment strategy, validate formulations with accredited testing labs, and ensure long‑term monitoring and institutional controls.
Oliver AndersenMemberDevice transferring AC power through electromagnetic induction while adjusting voltage.
January 26, 2026 at 9:55 pm in reply to: in a power transformer which winding is closer to the core? #332125Oliver AndersenMemberIn most power transformers, the low voltage winding is placed closest to the core, and the high voltage winding is wound outside of it. This arrangement improves insulation efficiency, since lower voltage windings have less insulation requirement to the grounded core, and high voltage windings can be insulated more easily from the lower voltage layer and tank. It also helps with mechanical stability against short circuit forces. In some special designs the order may differ, but low voltage near the core is the standard configuration.
Oliver AndersenMemberSymptoms include overheating, oil leaks, gas generation (DGA indicators), abnormal noise, bushing tracking, high moisture content, tan-delta drift, partial discharge, OLTC misoperation, and protection trips.
Oliver AndersenMemberStandard ratings range from small distribution units at 0.05-5 MVA to substation transformers at 10-100+ MVA, and generator step-up units exceeding several hundred MVA in transmission grids.
January 24, 2026 at 5:39 am in reply to: How much does a power pole transformer cost to replace? #331601Oliver AndersenMemberReplacement cost includes the transformer, disposal, labor, switching, outage coordination, and testing; total can reach several thousand USD.
January 23, 2026 at 8:17 am in reply to: What role does a transformer play in a nuclear power plant? #331419Oliver AndersenMemberNuclear plants use generator step-up transformers for grid connection, station transformers for auxiliaries, and backup supply transformers for safety systems.
January 23, 2026 at 3:32 am in reply to: What applications use Marelco power systems transformers? #331383Oliver AndersenMemberMarelco products are used in marine and industrial environments requiring rugged power conversion, isolation, and corrosion-resistant construction.
January 21, 2026 at 11:01 pm in reply to: How do isolation power transformers enhance electrical safety? #331071Oliver AndersenMemberIsolation transformers provide galvanic separation between primary and secondary circuits, reducing touch voltages, ground faults, and noise coupling. Used in medical, industrial, and test environments.
January 21, 2026 at 5:43 am in reply to: What is the permissible moisture content in a transformer? #330800Oliver AndersenMemberThere is no single permissible moisture value that fits all transformers, because it depends on oil type, temperature, voltage class, and insulation condition. For mineral oil at operating temperature, many utilities consider 20-30 ppm acceptable for new or well-maintained units, while above 40-50 ppm usually triggers closer monitoring. More important than ppm is relative saturation or water activity, because risk of free water and paper wetting depends on temperature. In practice, keeping paper moisture below about 2% is a common long-term target.
Oliver AndersenMemberHelical for high currents, disc for HV, layer for LV, continuous wind for short-circuit strength, and foil for LV/high current.
Oliver AndersenMemberOriginal spare parts and consumables are available for all GlobeCore systems. Please specify the model to provide the correct kit.
September 17, 2025 at 10:38 am in reply to: What is the best oil filtration machine for transformer maintenance? #325566Oliver AndersenMemberGlobeCore offers transformer oil filtration machines with flow rates from 600 to 6000 L/h. They include heating, filtration, vacuum degassing, and real-time monitoring – restoring oil to IEC 60296 standards.
September 15, 2025 at 11:05 am in reply to: Where can I find hydraulic oil filtration services near me? #325441Oliver AndersenMemberInstead of hiring external services, many companies now use in-house solutions. GlobeCore provides portable hydraulic oil filtration systems that remove water, particles, and sludge onsite. These units are perfect for factories, CNC lines, and construction fleets.
September 10, 2025 at 2:25 pm in reply to: ¿Por qué es importante la filtración de aceite hidráulico en entornos industriales? #325248Oliver AndersenMemberLa contaminación del aceite hidráulico puede causar fallos graves en sistemas críticos. GlobeCore desarrolla equipos que filtran hasta 1 micra, eliminando partículas y agua. Esto garantiza mayor fiabilidad en maquinaria hidráulica pesada y prolonga la vida de los componentes.
September 9, 2025 at 1:44 pm in reply to: Where to buy bitumen tanks that support both standard and modified bitumen? #324994Oliver AndersenMemberGlobeCore designs and sells bitumen tanks suitable for both standard and modified bitumen, with heated coils, mixers, and temperature monitoring systems. These tanks are used worldwide at asphalt plants, terminals, and mobile sites. Delivery, installation, and commissioning are available globally.
September 9, 2025 at 9:23 am in reply to: What is the DGA transformer test and how does oil purification support it? #324851Oliver AndersenMemberThe DGA test checks for fault gases like H?, C?H?, CH?. If the oil isn’t properly treated, results may show false alarms. GlobeCore vacuum degassing equipment ensures reliable oil condition before testing.
September 9, 2025 at 7:02 am in reply to: Which hydraulic oil filtration machine is suitable for 24/7 manufacturing operations? #324778Oliver AndersenMemberFor continuous operation, GlobeCore offers mobile and stationary hydraulic oil filtration machines with multi-stage filtration (1-5 �m), vacuum dehydration, and flow rates up to 4000 L/h. These machines reduce downtime and prevent equipment failure in critical production lines.
Oliver AndersenMemberShell Turbo T46 is a medium-viscosity lubricant, and its price reflects its industrial-grade formulation. GlobeCore purification systems clean and dry Turbo T46, preserving its lubricating performance.
August 4, 2025 at 6:46 pm in reply to: How is AeroShell turbine oil used in aviation engines? #323840Oliver AndersenMemberAeroShell turbine oil is a synthetic or ester-based lubricant designed to handle extreme heat and oxidation in jet engines. GlobeCore purification units filter, degas, and dry these oils, ensuring long-lasting performance.
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