EI transformers is a kind of electronic device that the mains alternating voltage is changed into DC through the semiconductor switching device, and the electronic components and the high frequency transformer winding constitute a high frequency AC voltage output, it is also the so-called AC-DC inverter circuit in the electronic theory. In simple terms, it is mainly composed of the high-frequency transformer cores and two or more coils, which not mutually change location, from one or two or more electrical circuits via the AC power by means of electrically magnetic induction, and turn into the AC voltage and current. While at the output terminal of the high frequency mains transformers, it supplies the different voltage levels of the high frequency AC or DC for the one or two or more electricity circuits.
Characteristics of EI Transformer
The input of EI transformer is AC12V, the output is AC220V, and its power can be up to 50W-300W. It is a transformer circuit primarily developed on the basis of high-frequency electronic ballast circuit. It has the features of stable performance, small size, and big power, thus overcoming the disadvantages of big body, bulky and high price of traditional silicon steel sheet transformer.EI transformers is the non-regulator switching power supply, it actually is an inverter. First, turn the AC into DC and then the electronic components is turned into a high-frequency oscillator to make the direct current into high frequency alternating current and through the switching transformer output the voltage required, and then the second rectifier provide for the use of appliances. Switching power supply has the advantages of small size, light weight, and low price, and now it is widely used in a variety of appliances.
Use Conditions of EI Transformer
Use Conditions of electronic transformer includes two aspects: Reliability and electromagnetic compatibility. In the past, people only pay attention to reliability, and now environmental protection awareness is improved, we must pay attention to electromagnetic compatibility. Reliability refers to that under the specific use conditions, the electronic transformer can work properly until the life. The general use condition of the electronic transformer is ambient temperature. Determine the electronic transformer temperature affect the strength parameter is the Curie point of the soft magnetic material. Curie point of soft magnetic materials is high, seldom affected by temperature; Curie point of soft magnetic materials is low, sensitive to temperature changes, and easy to be affected by temperature.
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