| | SLO | ENG | Cookies and privacy

Bigger font | Smaller font

Show document Help

Title:INTEGRIRANI PRETVORNIK ZA NAPAJANJE POGONA IN BATERIJ ELEKTRIČNEGA VOZILA V REŽIMU POLNJENJA BATERIJ
Authors:ID Kelemina, Ivan (Author)
ID Gotlih, Karl (Mentor) More about this mentor... New window
ID Milanovič, Miro (Mentor) More about this mentor... New window
ID Rodič, Miran (Comentor)
Files:.pdf MAG_Kelemina_Ivan_2014.pdf (2,96 MB)
MD5: 520E93E571B067899F4AEBADDF242006
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Električna energija se danes vse bolj uporablja tudi za pogon vozil, med katerimi prednjačijo električni avtomobili. Električna vozila imajo številne prednosti pred vozili, ki za pogon uporabljajo motor z notranjim izgorevanjem, saj je električna energija poceni, motor ne povzroča hrupa in vozilo je med vožnjo okolju prijazno. Problem el. vozil je previsoka cena, zato je v magistrskem delu opisan pretvornik, s katerim lahko med drugim vplivamo tudi na ekonomičnost el. vozila. Opisan je pretvornik, ki ga je možno uporabljati za dva režima delovanja. V prvem režimu delovanja je sistem, ki ga je mogoče uporabiti za polnjenje baterije, in v drugem režimu je elektromotorni pogon, ki se uporablja za vodenje asinhronskega motorja. S tem, ko uporabimo iste elemente za dva različna režima delovanja, prihranimo denar in prostor v vozilu. V magistrskem delu smo podrobneje obravnavali polnilnik akumulatorskih baterij, zasnovan na strukturi dveh pretvornikov navzdol in pretvornika navzgor. Vezje odpravlja vpliv višjih harmonikov, kar omogoča brezizguben prenos moči od izvora proti bremenu z zelo velikim izkoristkom. S tokovno regulacijo je možno izvajanje korekcije faktorja moči (PFC). Delovanje smo preizkusili na realnem modelu v laboratoriju, kjer smo imeli na razpolago močnostni pretvornik in asinhronski motor. Celotni algoritem vodenja smo izvedli digitalno. Implementirali smo algoritem, ki je izvajal regulacijo toka skozi statorska navitja na asinhronskem motorju. Z regulacijo smo izboljšali vhodni tok pretvornika. Dosegli smo zvezni vhodni tok, nizko vrednost THD-ja in faktor za korekcijo moči, ki je po zahtevah IEC-standarda. Polnilnik, ki izvaja korekcijo faktorja moči, se lahko približa večji vrednosti polnilnega toka in tako skrajša čas polnjenja baterije.
Keywords:električno vozilo, integrirani pretvornik, polnilnik akumulatorskih baterij, korekcija faktorja moči, digitalni signalni mikrokrmilnik
Place of publishing:Maribor
Publisher:[I. Kelemina]
Year of publishing:2014
PID:20.500.12556/DKUM-43574 New window
UDC:681.586.7(043.2)
COBISS.SI-ID:17736982 New window
NUK URN:URN:SI:UM:DK:IH1WLB3J
Publication date in DKUM:11.03.2014
Views:2207
Downloads:183
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
:
Copy citation
  
Average score:(0 votes)
Your score:Voting is allowed only for logged in users.
Share:Bookmark and Share



Hover the mouse pointer over a document title to show the abstract or click on the title to get all document metadata.

Secondary language

Language:English
Title:INTEGRATED CONVERTER FOR CHARGING OF DRIVE AND BATTERIES OF AN ELECTRIC VEHICLE IN THE BATTERIES CHARGING MODE
Abstract:Electric energy is nowadays widely used for propulsion of the vehicles. Electric vehicles have numerous advantages over ordinary vehicles.The electric energy is cheap, motor generates less noise and the vehicle does not emit any pollutnat gases into the environment. On the other hand, the main drawback of electric vehicles is their rather high price.This master thesis describes a converter, which could reduce the production costs of an electric vehicle and thus positively affect their market price. The converter can operate in two regimes. In the first regime, the conveter is used for charging the battery, while in the second regime, it is used for driving the motor. By using the same elements for realizing both functions, the material costs are reduced as well as the weight and size of the whole system. This master thesis was focused on the battery charging operation of the converter. The latter operating regime is based on operation as a double buck and boost structure. The studied converter structure eleminates higher harmonics, while assures low power conversion losses and high efficiency. With current feedback it is possible to make power factor correction PFC. Measurements were performed in laboratory on a real model, where we used power converter connected to the induction motor. The control algorithm was digitally implemented. We have implemented an algorithm, which controls the current through the stator windings of an induction motor. Consequently the shape of the input current was also improved. A continuous input current was achieved, with low THD and power factor that meets the IEC standard requirements. Batteris charger with power factor correction can more closely approach the maximum current the plug can deliver, which reduces the charging time.
Keywords:Electric Vehicle, Integrated Converter, Battery Charger, Power Factor Correction, Digital Signal Controller


Comments

Leave comment

You must log in to leave a comment.

Comments (0)
0 - 0 / 0
 
There are no comments!

Back
Logos of partners University of Maribor University of Ljubljana University of Primorska University of Nova Gorica