What Are The Requirements For High Frequency Power Transformers?

High frequency transformers can work efficiently only if two important conditions are fulfilled – reliability and electromagnetic compatibility. Reliability has always been paid attention to, while electromagnetic compatibility has come into focus only in recent years because of the increasing awareness towards environmental protection. Reliability can be defined by the specific conditions of usage on which the high frequency power transformers can normally work. The temperature in which the transformer works is one of the very important factors to be considered. For some soft magnetic materials, the Curie point is very low, which is why they are very sensitive to temperature. One such example is manganese zinc sift ferrite that has a very low Curie point, which is why it’s working temperature is very limited.

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Why Are 3-Phase Transformers Beneficial Over Multiple Single-Phase?

Three-phase systems are very rare as compared to single-phase systems, but they are actually more economical. Multiple single-phase transformers can be grouped together to provide power between three-phase systems in different configurations. But, if three-phase transformers are used instead, the same performance can be brought about with lesser material requirement, lesser size and lesser weight.  Thus, it is because three-phase transformers use lesser material to transmit same amount of electrical power that they are proved to be more economical.

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