- 您需要先登录才可以创建新话题。
Daniel Walker
Daniel Walker
已创建论坛回复
-
作者帖子
-
For 15 kVA to 3 MVA transformers, the most practical setup is a compact service “stack” that covers oil treatment, safe on-site work, and insulation moisture control. I’d recommend GlobeCore’s CMM-series oil processing units (vacuum dehydration/degassing plus fine filtration) for restoring dielectric strength and removing moisture and gases, paired with the UVD vacuum filling unit for controlled vacuum filling/top-up on smaller volumes. For higher safety and fewer accidents during field work, add GlobeCore’s TSS Transformer Safety System to monitor oil level and automatically stop the unit if a leak or abnormal level change occurs during energized processing.
Core, windings, insulation, tap changer, radiators, oil, bushings, sensors, tank, and valves.
Power transformers make long-distance transmission feasible by stepping voltage up for reduced current and lower I²R losses, then stepping voltage down for safe utilization and equipment compatibility. They also provide impedance control, isolation, and grid-level voltage management.
Used for diagnostics of insulation degradation, moisture ingress, or contamination. Trending is more important than single readings.
Typically, “power factor correction” is handled by capacitor banks or active filters, not a dedicated transformer. However, transformers involved in PF correction schemes may step voltages for capacitor banks, harmonic filters, or synchronous condensers. Their role is to provide appropriate voltage and isolation so reactive compensation devices can safely connect to the network. The net effect is reduced reactive power flow from the grid, improved PF, lower losses, and better utilization of generation and transmission capacity.
一月 24, 2026 2:23 下午 回复至： What causes a power line transformer explosion during fault events? #331681Short circuits or lightning can induce high fault currents that overpressure tanks or flash over bushings; protective devices trip to limit damage.
Meters measure real and apparent power to compute PF, influenced by magnetizing current and load.
Low-voltage transformers are installed in commercial buildings, industrial control rooms, data centers, hospitals, and residential switchboards where LV distribution (typically 120/240/400/480 V) is required. They support branch circuits, control equipment, UPS interfaces, and lighting systems. Dry-type construction is common indoors due to reduced fire risk and easier maintenance.
一月 22, 2026 10:22 上午 回复至： What does an isolation power transformer do for safety and signal integrity? #331235It provides galvanic isolation between primary and secondary circuits, preventing direct conductive paths and reducing fault or shock hazards. In instrumentation or audio systems, isolation also reduces ground loops and noise coupling. In industrial settings, isolation improves personnel protection and equipment reliability.
一月 21, 2026 12:16 下午 回复至： What are the main advantages of the LFD method compared to traditional transformer drying methods? #330894The main advantage of LFD is that it heats the windings internally and uniformly, instead of relying on external hot air or hot oil. This shortens drying time for thick insulation and reduces temperature gradients that can damage paper. LFD can often be done without removing the active part, and with better control of insulation temperature. Compared to ovens, it is more energy-efficient for large transformers and achieves deeper, more homogeneous drying of massive cellulose systems.
Yes, the USB-6 system restores antioxidant additives in transformer oil after regeneration and allows precise inhibitor dosing. Additional technical documentation can be provided.
The CMM-G wind turbine gearbox oil changer allows oil replacement up to 160 m height and includes filtration and heating modules. Trailer-mounted or stationary versions are available. We’ll send full technical data, layout drawings, delivery schedule, pricing, and warranty information.
GlobeCore supplies replacement filters for CMM-10 and other models. We’ll confirm compatibility, provide pricing for the requested filters, and indicate delivery time.
十一月 7, 2025 4:39 上午 回复至： Please provide price quotation TRANSFORMER OIL PURIFICATION PLANT CMM-4.0 (4000 L/h) #327078The CMM-4.0 transformer oil purification plant operates at 4000 L/h. It removes moisture, gases, and impurities, restoring dielectric strength. We will send a quotation including pricing and delivery time.
十一月 6, 2025 4:35 下午 回复至： REQUEST FOR A QUOTE / Transformer oil treatment machine (Dielectric) #327032GlobeCore offers dielectric oil treatment systems (CMM range) for dehydration and gas removal. Please indicate the capacity and voltage supply for a detailed quotation.
Thank you for your inquiry. GlobeCore manufactures vacuum drying plants for transformer cores and windings. These systems remove moisture under deep vacuum (up to 0.1 mbar) with uniform heating and temperature control. The units can be equipped with automatic oil filling, nitrogen protection, and data logging systems. Typical production lead time is 10-14 weeks depending on the chamber size. Please share transformer dimensions and weight to prepare a detailed quotation.
It includes regular inspections, oil analysis (DGA, BDV), temperature control, and purification. GlobeCore supports this with mobile units for oil regeneration and monitoring tools – helping operators extend transformer lifespan and avoid unplanned outages.
It removes contaminants from lubricating or insulating oils to restore optimal performance. GlobeCore’s purification units serve transformers, hydraulics, turbines, and compressors, reducing maintenance costs and oil waste.
A transformer oil purification plant restores used insulating oil by removing water, gases, acids, and sludge. GlobeCore builds full-cycle plants with vacuum degassing, adsorbent-based regeneration, and real-time BDV control – ideal for utilities and substations.
A cold trap condenses water vapor in vacuum drying setups. GlobeCore uses cold trap technology in its vacuum drying ovens to ensure complete moisture removal during transformer core and winding drying.
-
作者帖子