search query: @keyword power electronics / total: 13
reference: 5 / 13
« previous | next »
Author:Räisänen, Paula
Title:Insulated Gate Bipolar Transistor Closed-loop Active Current and Voltage Slope Control
Tehotransistorin virran- ja jännitteen nousunopeuden säätäminen
Publication type:Master's thesis
Publication year:2013
Pages:vii + 42 s. + liitt. 4      Language:   eng
Department/School:Sähkötekniikan laitos
Main subject:Sähkökäytöt   (S3016)
Supervisor:Kyyrä, Jorma
Instructor:Hellman, Jouko
Electronic version URL: http://urn.fi/URN:NBN:fi:aalto-201305216409
OEVS:
Electronic archive copy is available via Aalto Thesis Database.
Instructions

Reading digital theses in the closed network of the Aalto University Harald Herlin Learning Centre

In the closed network of Learning Centre you can read digital and digitized theses not available in the open network.

The Learning Centre contact details and opening hours: https://learningcentre.aalto.fi/en/harald-herlin-learning-centre/

You can read theses on the Learning Centre customer computers, which are available on all floors.

Logging on to the customer computers

  • Aalto University staff members log on to the customer computer using the Aalto username and password.
  • Other customers log on using a shared username and password.

Opening a thesis

  • On the desktop of the customer computers, you will find an icon titled:

    Aalto Thesis Database

  • Click on the icon to search for and open the thesis you are looking for from Aaltodoc database. You can find the thesis file by clicking the link on the OEV or OEVS field.

Reading the thesis

  • You can either print the thesis or read it on the customer computer screen.
  • You cannot save the thesis file on a flash drive or email it.
  • You cannot copy text or images from the file.
  • You cannot edit the file.

Printing the thesis

  • You can print the thesis for your personal study or research use.
  • Aalto University students and staff members may print black-and-white prints on the PrintingPoint devices when using the computer with personal Aalto username and password. Color printing is possible using the printer u90203-psc3, which is located near the customer service. Color printing is subject to a charge to Aalto University students and staff members.
  • Other customers can use the printer u90203-psc3. All printing is subject to a charge to non-University members.
Location:P1 Ark Aalto  1367   | Archive
Keywords:power electronics
IGBT
di/dt
du/dt
closed-loop control
tehoelektroniikka
suljetun silmukan säätö
Abstract (eng):In power electronics Insulated Gate Bipolar Transistors (IGBTs) are widely used especially for switching purposes in power supply and motor-drive applications.
However, an optimized behavior of the transistors gate voltage through a gate driver is common issue for product development and design.
In this thesis the possibility of a closed-loop active control for the gate driver was examined.
The closed-loop active control incorporates a closed-loop feedback signal to the switching event of an IGBT and through a PI-controller the feedback signal is used to attain a desired switching condition i.e. by controlling the current and voltage slopes a wanted switching condition is achieved.
The advantages of this control method are stray parameter compensation and dynamicity.
A hardware implementation of the suggested topology was designed and tested in this thesis and the test results are presented with conclusions.
The results indicate the rightfulness of the closed-loop active control topology and the potential for it to be a considerable alternative to common control methods through further testing.
Abstract (fin):IGBT-transistoreita (Insulated Gate Bipolar Transistor) käytetään tehoelektroniikassa kytkinkomponentteina erityisesti teholähteissä ja moottorikäytöissä.
Komponentin yleisyydestä huolimatta transistorin hilajännitteen käyttäytyminen on usein esillä oleva ongelma tuotekehityksessä ja tuotesuunnittelussa.
Tässä työssä esitellään säätötopologia hilaohjaimelle, joka toimii suljetun silmukan säädöllä.
IGBT-transistorilta takaisinkytketty signaali säätää PI-ohjaimen avulla hilalle menevää signaalia ja ohjaa transistorin käyttäytymistä sytytysja sammutusvaiheessa säätämällä virran- ja jännitteen nousunopeutta.
Tämän säätötavan etuina ovat sen dynaamisuus ja kyky kompensoida transistorin epäideaalisuuksia.
Tässä työssä toteutettiin ehdotettu topologia piirikorttitasolla ja kortti testattiin.
Testitulokset ja johtopäätökset on esitetty työn lopussa.
Alustavien testien tuloksista voi päätellä ehdotetun suljetun silmukan säädön periaatteen toimivan.
Piirin ideaalinen toiminta vaatii kattavampia testejä tulevaisuudessa mutta toimiessaan se tarjoaa varteenotettavan vaihtoehdon yleisiin hilaohjainongelmiin.
ED:2013-05-21
INSSI record number: 46742
+ add basket
« previous | next »
INSSI