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Jason Taylor

Jason Taylor

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Viewing 20 posts - 1 through 20 (of 81 total)
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  • in reply to: What is Norvey Inc turbine oil and why is it used? #342467
    Jason Taylor
    Member

    Darkening of turbine oil is a common visual sign of oxidation, thermal degradation, additive depletion or contamination (soot, wear metals, dissolved varnish), but color change alone doesn’t prove the oil is unusable. The sensible course is to run an oil analysis—measure kinematic viscosity (D445), TAN/TBN (D664), oxidation by FTIR and/or RPVOT/PDSC, water by Karl Fischer, insolubles/acid sludge, and particle count (ISO 4406) and compare results to your OEM limits and historical trends. Also take paired samples upstream and downstream of the Zoom Spout Oiler (tank vs. after dispensing) to see whether the darkening originates in the bulk oil or the dispensing hardware.

    If key parameters remain within spec and antioxidant reserve and cleanliness are acceptable, you can continue service with tighter sampling and better contamination control; if TAN, insolubles, RPVOT or particle counts exceed limits, treat or replace the oil. A practical restoration path used in industry is two-stage treatment—first dehydration and particulate removal, then adsorptive purification to remove varnish and oxidation products—which can restore oil properties toward near-new condition and meet stringent cleanliness classes (for example, ISO 14/12 or NAS 6) depending on starting quality. If you share recent lab numbers or sample comparisons before/after the spout, I can help interpret them and recommend whether cleaning the oiler, filtration/regeneration, or replacement is the right next step.

    Jason Taylor
    Member

    For highly humified peat with high mineral content, the most effective solution is alkaline extraction (preferably with KOH) combined with process intensification using the GlobeCore AVS vortex layer device. AVS accelerates mass transfer and breaks agglomerates, allowing you to extract more humic carbon into the liquid phase without harsh temperatures or long processing times. After AVS, use early mineral removal (screen + hydrocyclone), followed by centrifugation and membrane concentration to retain maximum humic compounds in the final liquid extract.

    Jason Taylor
    Member

    У GlobeCore немає готових рішень для безпечної утилізації ядерних відходів або технологій довгострокової іммобілізації радіонуклідів. Натомість компанія пропонує промислове обладнання для очищення стічних вод від хрому та інших важких металів — апарат АВС (АВС‑процес). Цей комплекс призначений для відновлення Cr6+ до Cr3+ з подальшим осадженням гідроксидів металів; у ролі відновника використовується залізо(II) сульфат (FeSO4). Апарат може працювати як в кислих, так і в лужних режимах, забезпечує якість очищення нижче нормативів ГДК, при цьому зменшує витрати реагентів приблизно в 1,5–2 рази, скорочує споживання електроенергії вдвічі та дозволяє зменшити площі очисних споруд на 10–15%. Часто АВС використовується в схемах для Cr‑забруднених і деяких кислотно‑лужних стоків з можливістю подальшого відстоювання та утилізації осадів.

    Якщо потрібно, можу деталізувати конкретні схеми очищення, згадані в матеріалах (наприклад, схеми на рис. 39–43), або пояснити варіанти рециркуляції й перелік реагентів для вашого конкретного стоку.

    Jason Taylor
    Member

    For Dijon-style mustard after a stone mill, I’d use a small hygienic vibrating sieve with interchangeable stainless meshes and start trials around 150-300 µm to remove husk/oversize while keeping a smooth texture (then adjust by taste and yield). For your second variety, a GlobeCore CLM food-grade colloid mill is a strong upgrade: rotor-stator high-shear grinding lets you dial in consistent fineness and stable emulsion/texture, and GlobeCore explicitly describes colloid-mill use in mustard-related food processes.

    in reply to: How to improve power factor of transformer? #332249
    Jason Taylor
    Member

    Improving transformer PF involves reducing reactive magnetizing current, optimizing load PF via capacitors/STATCOMs, and minimizing lightly-loaded operation where core magnetization dominates.

    Jason Taylor
    Member

    Mineral or synthetic oil provides insulation, displaces moisture, and transfers heat to radiators. Oil quality directly affects transformer lifespan.

    Jason Taylor
    Member

    Such videos explain core-winding operation, flux, voltage ratios, cooling, protection, and real-world grid integration using diagrams and animations.

    in reply to: What determines power transformer overload capacity? #331444
    Jason Taylor
    Member

    Overload capacity depends on hot-spot temperature limits, insulation class, prior loading history, ambient temperature, and cooling capability. Manufacturers provide thermal models and overload curves based on IEC/IEEE guidelines. If the transformer starts cool and ambient is low, it can carry higher current for limited periods without exceeding allowable hot-spot temperatures. Repeated or prolonged overloads, however, accelerate insulation aging and may reduce life expectancy. Oil circulation and radiator design strongly influence how safely overloads can be handled.

    Jason Taylor
    Member

    Minor failures (bushings, OLTC, cooling) may be repaired in days to weeks. Major winding or insulation faults often require factory overhaul lasting months.

    Jason Taylor
    Member

    It reduces medium-voltage feeders to service voltages for consumers while providing isolation and limiting fault currents through impedance.

    Jason Taylor
    Member

    Future LFD systems are being improved mainly in usability, automation, and connectivity rather than core drying physics. Planned enhancements include better graphical interfaces, remote monitoring and alarms, smarter automatic control of temperature and vacuum, and stronger integration with SCADA/asset systems. Safety features and predictive diagnostics are also being added to reduce manual intervention and improve reliability.

    Jason Taylor
    Member

    In an ideal transformer, output power equals input power because no losses occur. Voltage and current change in proportion to the turns ratio, but real power is conserved. Real transformers have core and copper losses, so output is slightly lower than input.

    Jason Taylor
    Member

    In general this statement is technically sound, but it needs some clarification. For mineral turbine and transformer oils, 60 °C is a conservative long-term operating limit, not an absolute physical limit. Short-term heating to 65-70 °C during purification or drying is usually acceptable if oxygen exposure is controlled. The real driver of degradation is the combination of temperature, oxygen, and time. Above about 60 °C, oxidation rate increases rapidly, so for continuous operation it is good practice to stay below this level to preserve antioxidant reserve and slow acid and sludge formation.

    Jason Taylor
    Member

    There is no standard single size for vacuum chambers in US vacuum ovens, because they are usually custom-designed to match the transformer class and workshop capacity. For medium power transformers in the 1-10 MVA range, typical chambers have internal diameters of about 2.5-4 meters and lengths of 4-8 meters. Larger service centers may have chambers exceeding 10 meters in length for high-voltage units. The exact dimensions are chosen based on core height, lifting clearances, and heating uniformity requirements.

    Jason Taylor
    Member

    A 132/33 kV transformer is typically installed in sub-transmission substations where transmission voltage (132 kV) is stepped down to 33 kV feeders for urban distribution, industrial zones, or ring networks. These units form the intermediate link between bulk transmission and medium-voltage distribution, providing voltage transformation, impedance coordination, short-circuit withstand, and grid protection interfaces.

    Jason Taylor
    Member

    The TOR-80 tester was developed to meet IEC 60156 standards and measures dielectric breakdown voltage up to 80 kV. It’s suitable for laboratory or field use. We’ll provide pricing and delivery information for the demonstration model.

    Jason Taylor
    Member
    Jason Taylor
    Member

    Thank you for your inquiry. GlobeCore designs transformer oil heating and purification systems compatible with various project voltage requirements, including GE Vernova specifications. Please confirm heating capacity and oil volume for accurate proposal.

    Jason Taylor
    Member

    Vacuum ovens dry solid insulation under deep vacuum and controlled heat. GlobeCore’s drying ovens are used in transformer factories and repair centers – preparing windings and cores for reliable long-term performance.

    in reply to: What does transformer oil regeneration achieve? #325434
    Jason Taylor
    Member

    Transformer oil regeneration eliminates aging products like sludge and acids. GlobeCore’s units use an adsorbent-based cycle to restore dielectric strength and chemical stability. This extends oil service life by up to 300%, reducing the need for disposal or replacement.

Viewing 20 posts - 1 through 20 (of 81 total)

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