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Title:MOS-FET as a current sensor in power electronics converters
Authors:ID Pajer, Rok (Author)
ID Milanovič, Miro (Author)
ID Premzel, Branko (Author)
ID Rodič, Miran (Author)
Files:.pdf Sensors_2015_Pajer_et_al._MOS-FET_as_a_Current_Sensor_in_Power_Electronics_Converters.pdf (1,32 MB)
MD5: 89E7A6DAB8F2C73BFC8A4C83661CAE30
 
URL http://www.mdpi.com/1424-8220/15/8/18061/
 
Language:English
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:This paper presents a current sensing principle appropriate for use in power electronics’ converters. This current measurement principle has been developed for metal oxide semiconductor field effect transistor (MOS-FET) and is based on UDS voltage measurement. In practice, shunt resistors and Hall effect sensors are usually used for these purposes, but the presented principle has many advantages. There is no need for additional circuit elements within high current paths, causing parasitic inductances and increased production complexity. The temperature dependence of MOS-FETs conductive resistance RDS−ON is considered in order to achieve the appropriate measurement accuracy. The “MOS-FET sensor” is also accompanied by a signal acquisition electronics circuit with an appropriate frequency bandwidth. The obtained analogue signal is therefore interposed to an A-D converter for further data acquisition. In order to achieve sufficient accuracy, a temperature compensation and appropriate approximation is used (RDS−ON = RDS−ON(Vj)). The MOS-FET sensor is calibrated according to a reference sensor based on the Hall-effect principle. The program algorithm is executed on 32-bit ARM M4 MCU, STM32F407.
Keywords:power electronics, converters, MOS-FET, current measurement, thermal model
Publication status:Published
Publication version:Version of Record
Year of publishing:2015
Number of pages:str. 18061-18079
Numbering:Letn. 15, št. 8
PID:20.500.12556/DKUM-60161 New window
ISSN:1424-8220
UDC:681.5
ISSN on article:1424-8220
COBISS.SI-ID:18853910 New window
DOI:10.3390/s150818061 New window
NUK URN:URN:SI:UM:DK:H8AQLBFG
Publication date in DKUM:22.06.2017
Views:1467
Downloads:367
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
PAJER, Rok, MILANOVIČ, Miro, PREMZEL, Branko and RODIČ, Miran, 2015, MOS-FET as a current sensor in power electronics converters. Sensors [online]. 2015. Vol. 15, no. 8, p. 18061–18079. [Accessed 14 March 2025]. DOI 10.3390/s150818061. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=60161
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Record is a part of a journal

Title:Sensors
Shortened title:Sensors
Publisher:MDPI
ISSN:1424-8220
COBISS.SI-ID:10176278 New window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:09.06.2016

Secondary language

Language:Slovenian
Keywords:močnostna elektronika, pretvorniki, MOS-FET, tekoče meritve


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