220kV Oil-Immersed HV Transformer - China Suppliers & Factory for High-Quality Power Solutions

Power Transformer

A power transformer is a static electrical device used to convert a certain value of AC voltage (current) into another or several different values of voltage (current) with the same frequency.

A static device with two or more windings, in order to transmit electrical energy, converts the AC voltage and current of one system into the voltage and current of another system through electromagnetic induction at the same frequency. Usually, the values of these currents and voltages are different.

A transformer is a static electrical device used to transform AC voltage and current and transmit AC electrical energy. It achieves the transmission of electrical energy based on the principle of electromagnetic induction. Transformers can be divided into power transformers, test transformers, instrument transformers, and special purpose transformers based on their uses:

When alternating current is applied to the primary winding, alternating magnetic flux is generated. The alternating magnetic flux is induced in the secondary winding through the magnetic conduction effect of the iron core, resulting in an alternating electromotive force. The height of the secondary induced electromotive force is related to the number of turns in the primary and secondary windings, that is, the voltage is directly proportional to the number of turns.

The most energy-efficient power transformer is the amorphous alloy iron core distribution transformer, which has the greatest advantage of having a particularly low no-load loss value. Whether the final no-load loss value can be ensured is the core issue to be considered throughout the entire design process. When arranging the product structure, in addition to considering that the amorphous alloy iron core itself is not subjected to external forces, it is also necessary to accurately and reasonably select the characteristic parameters of the amorphous alloy during calculation.