Pole Electrical Transformer

Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of pole electrical transformer in China. With abundant experience, we warmly welcome you to wholesale high quality pole electrical transformer at low price from our factory. Contact us for more cheap products.

Pole electrical transformers are actually distribution transformers that are mounted on an electric service pole that could either be wood or concrete. Moreover, they are commonly leveled with the electric wires you see connected with the pole electrical transformer.Pole electrical transformers range from 16 kVA – 100 kVA and they have the capability to transform 11,000 volts – 33,000 volts down to 400 volts, which is very impressive for a transformer that has the size of a barrel.

A transformer trades voltage for current in a circuit while not affecting the total electrical power. It takes high-voltage electricity with a slight current. It changes it into low-voltage electricity with a large current or vice versa. Transformers only work for Alternating Current (AC), such as you get from your wall plugs, not Direct Current (DC).

Transformers increase or decrease the voltage. Transformers use two coils of wire wrapped around a metal core. The first coil is for the incoming electricity. While the other is for outgoing electricity. Alternating Current in incoming coil sets up an alternating magnetic field in the core. This generates Alternating Current in the outgoing coil.

All transformers share some standard features regardless of their type:

• The same frequency of input and output power.
• All pole mounted distribution transformers use electromagnetic induction laws.
• Primary and secondary coils devoid of electrical connections (except for autotransformers). The power transfer by magnetic flux.
• No moving parts have to transfer energy. So, no friction or windage losses as with other electrical devices.
• On the other hand, an electric pole transformer has a low voltage bushing insulator available in fiberglass reinforced polyester material or porcelain (both eyebolt and spade terminals). Low-voltage neutral grounding strap (furnished on 10 – 50 kVA single HV bushing units).
• The cover has 15 kV dielectric insulation and increased resistance to corrosion. In addition, the body is sloped 15°, preventing water from collecting and reducing corrosion and leaking.

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