The calculation of the loss of main power consumption components in UPS such as transistors, inductors and transformers has always been a difficult problem in customer applications.
In order to improve the accuracy of the design, it is necessary to provide a proven and prescriptive calculation method for the power consumption of the components.
With the ever-increasing demands on power supply efficiency,
the need to improve inductor efficiency is rapidly increasing, which is a result of the increase in power supply output current.
At the same time, the industry is making further efforts to reduce power dissipation,
which has a direct impact on overall power efficiency.
Reducing heat generation is especially important for notebook & desktop/server computer users
Inductance loss is mainly composed of core loss and coil loss, and core loss includes hysteresis loss and eddy current loss.For the powder core type magnetic core, due to the large insulation resistance between the magnetic materials,the eddy current loss can be almost ignored.The power loss in an inductor is determined by the basic formula:
P Loss inductor= P core+ P dcr +P acr