title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð¿Ð»Ð°ÑÑ ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÑ Ð¼Ð¾ÑÐ½Ð¾Ð³Ð¾ ÑÐ¸Ð»Ð¾Ð²Ð¾Ð³Ð¾ Ð¿ÑÐµÐ¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»Ñ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Development of a temperature control board for a powerful power converter
Creators: name: ÐÐ¾ÐºÐ¾Ð²ÐµÐ½ÐºÐ¾, ÐÐµÐ½Ð¸Ð°Ð¼Ð¸Ð½
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2025
Subjects: ÑÐµÑÐ¼Ð¾Ð´Ð°ÑÑÐ¸Ðº
IGBT
Ð¿ÑÐµÐ¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»Ñ
Ð¼Ð¸ÐºÑÐ¾ÐºÐ¾Ð½ÑÑÐ¾Ð»Ð»ÐµÑ
thermal sensor
converter
microcontroller

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description: The subject of the development was the cooling system of a powerful power voltage converter designed to charge lithium-ion traction batteries of a trolleybus. The purpose of the work is to develop a temperature control board for IGBT transistors and power chokes in a charger for trolleybus lithium-ion batteries. The difference from the existing system is in measuring the temperature inside the transistors themselves, rather than on the cooler, and adding temperature control to the chokes. The difference from the previously proposed solutions is that by using a single control board, rather than individual ones, the cost of the applied solution is reduced. Results. In the course of the work, the structure of the converter in question is reviewed, the issues of building cooling systems are described, the cooler temperature limit is calculated, heat generation is simulated by a transistor module, and a functional circuit for connecting thermal sensor boards is developed. A solution is proposed in the form of a developed board, for which an electrical circuit is developed, a microcontroller is selected, and others. elements, a printed circuit board is being developed. The scope of application. Increasing the density of component placement, which leads to a decrease in the overall characteristics of the converters, is an urgent task not only for transport, but even for stationary installations. Its not just that the smaller dimensions make it possible to install the converter itself in places where previously placement seemed impossible, but also that with the same dimensions, it is possible to expand the functionality. For example, several separate converters are installed in transport, each of which requires its own installation, often just connections between these housings. Freeing up space inside individual units will allow the integration of several different converters into one volume, similar in various parameters of operation. In this regard, improving the accuracy of temperature estimation and the absence of additional thermal sensors located on the radiator of power transistors will solve this problem. Conclusions about the work. Based on the materials considered, in the course of the work, it was possible to develop a new concept for building temperature feedback in a power charging converter, while using a small and relatively simple microcontroller, it was possible to "unload" the analog-to-digital conversion inputs in the main control controller. The developed temperature control board has a small number of components and more functionality, which will allow for more flexible use of the developed board in other projects. The work has an applied focus, and the results obtained can be used with appropriate adaptation in the construction of other converters. The shown design approach can also be extended to a wide range of converter design tasks for various purposes.