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Analysis of the impedance ratio and power of audio transformers
First of all, the audio transformer can be understood literally as a transformer working in the audio range. The audio transformer can convert the voltage like a power transformer and can achieve audio model coupling. Due to some characteristics of the product itself, it is not recommended to use...Read more -
About high-frequency transformer
Analysis Can SPWM signal affect high-frequency transformers? Different from PWM, SPWM is a more mature and widely used technology. An important theoretical basis of SPWM is to use different narrow pulses to impact the inertial links. In this process, can the SPWM signal be transformed by a high-f...Read more -
Flyback transformer design
This article mainly introduces the whole process of Flyback transformer design. Let’s study it carefully! 1. Input conditions Maximum input voltage Vinmax: 310V Minimum input voltage Vinmin: 110V First output voltage Vo1: 5V First output diode voltage drop VD1: 0.7V First output curren...Read more -
What is the impact of using a high-frequency transformer in a low-frequency circuit?
This article will focus on the detailed description of the test methods of low-frequency transformers and high-frequency transformers, hoping to be helpful to you. Low-frequency transformer Low-frequency transformers are used to transmit signal voltage and signal power, and can also achieve impe...Read more -
The heart of the switching power supply module – switching transformer
Analysis of high-frequency switching power supply transformer In the electronic products we come into contact with daily, we can find a large number of magnetic core components, among which there is the heart of the switching power supply module - the switching transfor...Read more -
Switching power supply composition principle + circuit diagram analysis (Part 2)
（A）The composition principle of the switching power supply 1.1 Input circuit Linear filter circuit, surge current suppression circuit, rectifier circuit. Function: Convert the input grid AC power supply into the DC input power supply of the switching power supply that meets the requirements. 1....Read more -
What are the main factors causing abnormal noise in high-frequency transformers?
High-frequency transformers sometimes make noise during operation, and one of the reasons for this is the cooler. Because the fan generates noise, the human ear is of course more sensitive to this broadband harmonic than the harmonics generated by the core frequency. The dominant frequency depen...Read more -
How to understand that ideal transformers do not store energy, but inductors can store electromagnetic energy?
First of all, regarding whether energy can be stored, let’s look at the difference between ideal transformers and actual operating transformers: 1. Definition and characteristics of ideal transformers Common drawing methods of ideal transformers An ideal transformer is an idealized circuit...Read more -
Working principle of switching power supply + circuit diagram analysis
1. Overview of Switching Power Supply Switching power supply is a high-frequency electrical energy conversion device, also known as switching power supply or switching converter. It switches the input voltage into a high-frequency pulse signal through a high-speed switching tube, and then convert...Read more -
Winding of low power industrial frequency transformers
A variety of household appliances, industrial frequency transformers, whether they design their own winding, or repair the burnt out transformer, are involved in part of a simple calculation, textbooks on the formula, although rigorous, but the practical application of the complexity, not very co...Read more -
Can a transformer dropping layers lead to a blow up?
In the process of transformer winding, due to a variety of reasons, it is easy to cause the winding to fall off the layer. So, what will transformer winding drop layer lead to? Will it blow up? For this phenomenon, how can we avoid it? In the article “Safety knowledge of transformer”, we know the...Read more -
Flying wires in transformers
Flying wires, the windings that lead from the top of the transformer, are often insulated and sleeved. Many people can’t help but have a question: why does the transformer have flying leads? First of all, the transformer design flying wires, is to meet the safety requirements. Gener...Read more