10kV Distribution Transformer

An oil-immersed power transformer is an electrical device that utilizes insulating oil as the insulating medium and consists of a core, coil, voltage regulator switch, oil tank, etc., designed to change voltage and transmit AC electrical energy. It features compact size, affordability, and strong weather resistance. It is suitable for use in power systems, industrial and mining enterprises, transportation, telecommunications departments, scientific research institutions, etc. Our company offers a diverse range of products, including laminated core series, wound core series, amorphous alloy series, and other products below 110kV. The structures are versatile and aesthetically pleasing, meeting the needs of different users.

S11 series 10kV three-phase oil-immersed self-cooled dual-winding off-circuit tap-changer distribution transformer

S13 series 10kV three-phase oil-immersed self-cooled double-winding off-circuit tap-changer distribution transformer

S13-M.RL series 10kV three-phase oil-immersed wound iron core self-cooled double-winding off-circuit tap-changer distribution transformer

SH15 series 10kV three-phase oil-immersed self-cooled dual-winding off-circuit tap-changer amorphous alloy distribution transformer

Key Features of Our PV Panel Cleaning Kit

1. High-Efficiency Cleaning

Soft, non-scratch bristles remove dust, pollen, bird droppings, and stubborn stains.

Optional spray-water function allows washing + brushing at the same time for faster cleaning.

It can be used in various scenarios.

Residential life: providing lighting and household appliance electricity for residences and buildings;

Industrial production: providing power supply for motors, production lines, and processing equipment in factories;

Commercial and public sectors: supplying power to shopping malls, office buildings, transportation hubs, and municipal facilities (street lights, surveillance cameras);

Special scenarios: such as temporary power supply for mines, oil fields, and construction sites, as well as power supply for farmland irrigation and villages in rural power grids

Ambient air temperature: Temperature: +40℃; Temperature: -45℃; Average temperature in hot months: +30℃; Average annual temperature: +20℃;

Altitude: ≤1000m; Pollution level: Level III; Seismic intensity: Level 8 of China's 12-level standard; Power supply voltage waveform: Approximate sine wave;

Note: If the usage conditions above are exceeded, please specify when ordering for special consideration.

Iron core

All components are made of high-quality grain-oriented cold-rolled silicon steel sheets, featuring a fully oblique and non-perforated binding structure. The iron core is multi-stepped, with three or five seams, resulting in low core loss and minimal noise. The wound iron core is directly wound using specialized equipment, eliminating seams and angular overlap, thereby reducing magnetic resistance and core loss. The amorphous alloy transformer core is a superior material, reducing core loss by an average of 72% and no-load current by 50% compared to traditional silicon steel sheets.

Coil

Made of high-quality QQ acetal enameled round copper wire and wound around flat copper coins drawn from oxygen-free copper rods, it comes in various forms such as cylindrical, continuous, new spiral, and split types, boasting sufficient electrical strength, mechanical strength, and heat dissipation capabilities.

In windings of 35kV and above, to enhance the transformer's resistance to short circuits, higher-quality self-adhesive transposed conductors are used. These conductors are made of self-adhesive acetal varnished flat wires. After being wound into coils, the wires are heated and bonded together, forming a rigid coil that can withstand greater bending stress, thereby enhancing the transformer's resistance to short circuits. The characteristic of self-adhesive transposed conductors is that they can reduce transformer losses. Due to the multi-strand split conductors and transposition, eddy current losses and circulating current losses are greatly reduced, which can lower the temperature rise of winding hot spots and make the temperature distribution of the entire winding more uniform.

Fuel tank

Constructed with high-quality steel plates through welding, it comes in various structures such as elliptical and rectangular. The heat dissipation components utilize plate-type radiators, expansion radiators, or corrugated oil tanks. The oil tanks undergo reliable sealing tests in the factory. After undergoing acid pickling and phosphating treatment on both the inner and outer surfaces, they are coated with three coats of primer and one coat of paint, ensuring both corrosion resistance and an elegant appearance.

Our transformers are manufactured under strict quality control and comply with major international standards. Upon customer request, we can also provide additional compliance documents and third-party test reports.

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