Any kind of electrical equipment will suffer losses during long-term operation, and

    1. copper loss(unit:kW)=I² × Rc × Δt,  I is the rated current of the transformer, Rc is the resistance of the copper wire, and Δt is the operation time of the transformer.

    2. copper loss =I² × R,  I is the rated current of the transformer, R is the total copper resistance of the transformer.

        R=(R1 + R2) / 2, R1 is the primary side copper resistance of the transformer, and R2 is the secondary side copper resistance of the transformer.

    1. Increase the winding cross-sectional area of the transformer: reduce the conductor resistance, thereby effectively reducing the transformer copper loss.

    2. Use high-quality conductor materials such as copper foil or aluminum foil to reduce winding resistance.

    3. Reducing the light-load operation time of the transformer: limiting the proportion of the light-load operation time of the transformer is conducive to reducing the copper loss of the transformer.