Oil Immersed Power Transformer | Outdoor High Capacity Grid Transformer
Apex Electrics specializes in the research, development, and manufacturing of high-quality transformer products. Our extensive range includes oil-immersed, dry-type, amorphous alloy, and new energy transformers, as well as prefabricated substations and switchgear.
Apex Technologies firmly believes that trust and professionalism are the foundation of successful partnerships. We empower our clients with strong support to help them win more projects and orders.
Pursue Excellence
“Today’s best performance is tomorrow’s minimum standard.” This mindset drives us to continuously improve and deliver ever-advancing products and services.
Short Lead Time
Customer satisfaction is our top priority. For urgent orders, we can shorten the production cycle to meet your delivery requirements.
Reliable Logistics
Our founder also operates an international logistics company, enabling us to handle CIF terms efficiently and ensure smooth, reliable delivery worldwide.
Low Noise Power Transformer | Urban Living Area Power Transformer
Energy saving power transformer adopts high permeability core, effectively reducing no-load loss. Eco-friendly design to cut long-term power operation cost.
Frequently Asked Questions (FAQ)
Q:What are the criteria for determining when to replace an old transformer?
A:The load rate has consistently exceeded 80% and there have been frequent overloads; the losses under no-load and at full load are more than 20% above the standard; insulation has aged (with excessive dielectric loss values and deteriorated oil quality); serious faults have occurred (such as winding deformation and multiple-point grounding of the core); the energy efficiency grade is lower than level 3 and energy-saving renovations are not economically viable; it has reached the design service life (generally 20–30 years).
Q:What are the reasons for excessive noise when the transformer is operating? How can the noise be reduced?
A:Reasons: Loosening of core, deformation of windings, resonance of components, failure of cooling system, influence of grid harmonics. Measures: Tighten the core clamps; Correct the position of windings; Adjust the shock absorption devices of cooling fans / oil pumps; Install soundproof covers; Address grid harmonics.
Q:What issues should be noted when connecting the transformer to the distribution cabinet?
A:Use copper busbars or cables for connection, with the conductor cross-section meeting the current-carrying requirements; the connection points need to be treated with tin plating or silver plating to reduce contact resistance; install lightning arresters and disconnect switches on the high-voltage side to facilitate maintenance; add insulating covers for the busbars on the low-voltage side and mark the phase sequence; after connection, check the insulation and phase sequence to ensure there are no errors.
Q:Why are dry-type transformers preferred for power distribution in high-rise buildings?
A:Dry-type transformers are oil-free and do not have the risks of oil leakage or explosion. They have high fire safety. The volume is relatively small, making them easy to install in the distribution rooms of buildings. The maintenance is simple and they meet the fire protection and space requirements of high-rise buildings.
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