Low-frequency transformer咋在现在的电源中还是在大量的使用的。 Low-frequency transformer can not only spread the required signal voltage and power size, but also because of its DC power can play a certain role in isolation, usually used to realize the matching between the circuit. All kinds of low-frequency transformers, its constant is the winding of the coil, although the coil winding way and the number of turns is different, but its role is the same.
Many people say that the design of low-frequency transformers is very simple and requires only a few formulas. Although this is the case, but there are still some people are not clear about the meaning of these formulas, so this article is mainly on the design of low-frequency transformer formula to do some simple introduction.
Design of low-frequency transformers, the first thing you need to take into account is what shape and structure you want to design the low-frequency transformer. Currently there are types available on the market such as mouth type. Its structure is mainly based on the location characteristics of the place used and the overall match to choose, there is no technical content to speak of.
The second step in the design of the low-frequency transformer is to calculate the required power rating, that is, the low-frequency transformer through the average of the two power can be. Then, based on the resulting power rating, calculate the size of the column cut-off part of the low-frequency transformer, i.e., the area. Generally estimate the area using this formula, that is, it is equal to 1.25 multiplied by the power rating under the root sign, and generally the unit of its area is used in square centimeters.
The next step is to calculate the number of turns per volt in the low-frequency transformer, in general, are 45 directly divided by the area of the column section derived above. But there are variations, depending on the different magnetic conductivity of the materials used to determine.
Then, it is is the calculation of the current required to withstand the wire, that is, the primary current, in general, the current value is directly divided by the power of the voltage value, but there are times when the value of the current will also be multiplied by 1.2 on the basis of this, is to adapt to some special circumstances.
Finally, you need to consider the window area in the low-frequency transformer, in general, the window area should be larger than the area of the coil winding, so as to ensure that not only can put down the required coils, but also to ensure that the insulating material can also be in it.
This basically concludes the design of a low frequency transformer. After reading this article, you will realize that the design of a low frequency transformer is a very simple matter, and you only need to understand how the individual values that you need to calculate are derived to be able to operate. Of course, when buying wire, be sure to pay attention to its brand, to ensure the quality of its coils, so as to ensure that the use of low-frequency transformer time and use of the degree of comfort.
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