Difference Between Power Transformer and Distribution Transformer.

Power Transformers and Distribution Transformers are used for high voltage, low current applications. However, there are some differences between the two:

Transformer Size / Insulation Level

Distribution transformers have a lower level of insulation than Power Transformers. Power Transformers can sustain short-circuit currents of up to a few hundred amps and have a voltage rating of more than 1 kV. Distribution Transformers, in contrast, may sustain short-circuit currents up to tens of amperes and have a voltage rating of less than 1 kV.

Iron Losses and Copper Losses

Macroplast Transformers current losses in the steel laminations and looping losses in the core material cause Power Transformers to waste energy as heat. Distribution Transformers have lower iron losses than Power Transformers since they don’t have any iron components. Hysteresis losses in the core material also cause them to lose energy. Yet, because Distribution Transformers are smaller than Power Transformers, they don’t produce as much heat when transporting strong currents as Power Transformers do.

Maximum Efficiency

Due to their larger size and higher current demands, Power Transformers are commonly less efficient than Distribution Transformers. In comparison to an average Power Transformers efficiency rating of 80%, a typical Distribution Transformers may have a rating of 90% or higher. Power transformers with efficiency between 97 and 99 percent do exist, nevertheless.

 

Comments

2 responses to “Difference Between Power Transformer and Distribution Transformer.”

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