Amorphous Distribution Transformer

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The amorphous alloy transformer is a low-loss, high-efficiency distribution transformer that uses iron-based amorphous metal as the core. The iron loss (i.e., no-load loss) of amorphous alloy transformers is 70-80% lower than that of traditional transformers, which generally use silicon steel as the core. Currently, it is considered an ideal low-loss, energy-saving transformer. Due to their low losses, amorphous alloy transformers generate less heat, resulting in a lower temperature rise and more stable operational performance.

Amorphous Alloy Distribution Transformer

1. Low loss, energy-saving, and highly efficient. The no-load loss is reduced by 70% compared to traditional transformers.
2. Low noise. The noise level is greatly reduced by using three-column amorphous cores.
3. Maintenance-free and non-polluting. Low electricity consumption can reduce SO2 and CO2 emissions, decreasing environmental pollution and mitigating the greenhouse effect.
4. Good heat dissipation and strong overload capacity. It can handle a 50% overload under air cooling.
5. Safe, non-flammable, and fireproof. It can be installed directly in the load center.
6. No oil change required under normal operation, which greatly reduces transformer maintenance costs and extends service life.
7. Compact size, lightweight, and stable structure. It has strong resistance to lightning impact, high mechanical strength, resistance to temperature changes, and strong short-circuit resistance.

Iron Core

The amorphous alloy iron chip is extremely thin, with a thickness of 0.025 mm. It has a low lamination coefficient of 0.86 and is a new type of energy-saving material composed of iron, boron, and other elements. It undergoes special rapid processes such as cooling and solidification, causing the atomic arrangement to become a disordered alloy. In this physical state, the metal atoms are disordered and amorphous, which is completely different from the crystalline structure of silicon steel and makes it quite easy to magnetize, thereby reducing the no-load loss of the transformer.

Winding

1. The transformer core is typically rolled into a three-phase, five-limb structure using an amorphous alloy, making the transformer shorter than a three-phase, three-limb structure. The circumference of the iron core is rectangular, and the lower yoke can be opened to facilitate the installation of the coil.
2. Low-capacity windings use copper conductors, while low-voltage windings generally employ a cylindrical structure wound with copper foil. High-voltage windings use a multi-layer cylindrical structure to balance the ampere-turn distribution and minimize magnetic leakage.

Tank

The body assembly, oil tank structure, protection device, and other components are similar to those of a fully sealed oil-immersed distribution transformer. It also uses a non-suspended structure and employs vacuum drying, vacuum oil filtering, and oil injection processes. The transformer uses a corrugated oil tank and does not require an oil conservator.

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