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Měnič pro BLDC motor

Authors: Němec, Petr;

Měnič pro BLDC motor

Abstract

The goal of this Master thesis is to design a power convertor for BLDC motor 48V/2kW. Emphasis is placed on the small dimensions of the final printed circuit board. Therefore, power SMD transistors STL135N8F7AG are used in small packages PowerFlat 5x6. To reduce area of the PCB, electrolytic capacitors are mounted on a separate board, which is located above the main PCB. Small high-capacity 22F/100V ceramic capacitors are used in the DC-LINK as well. They are located as close as possible to the power SMD tranzistors. Control logic will be provided by microprocesor STM32G474RE. High resolution timer HRTIM1 is used. The first part of this thesis is devoted to the brief description of BLDC motor construction and driving. Next parts are focused on the design itself.

Cílem této diplomové práce je návrh výkonového měniče pro BLDC motor 48 V/2 kW. Je kladen důraz na malé rozměry finální desky plošného spoje. Jsou proto použity výkonové tranzistory STL135N8F7AG v malých SMD pouzdrech PowerFlat 5x6. Pro snížení plošného rozměru DPS jsou elektrolytické kondenzátory osazeny na samostatné desce, která je umístěna nad hlavní DPS. V meziobvodu jsou použity také malé vysokokapacitní keramické kondenzátory 22F/100V umístěné co nejblíže k výkonovým tranzistorům. K řízení motoru je použito mikrokontroleru STM32G474RE s využitím časovače HRTIM1. První část této práce je ve stručnosti věnována teorii konstrukce a řízení BLDC motorů. Následující části jsou zaměřeny na návrh prvků, vhodné schéma zapojení a oživení některých částí měniče.

A

Country
Czech Republic
Related Organizations
Keywords

Miniaturization, HRTIM1, Miniaturizace, Ansys Steady State Thermal, convertor, separovaná kondenzátorová deska, budiče L6498DT, MOSFET STL135N8F7AG, driver L6498DT microcontroller STM32G474RE, BLDC motor, měnič, mikrokontroler STM32G474RE, separated capacitor board

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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