Industrijski uređaj za mjerenje kuta opterećenja sinkronog stroja

undergraduate thesis

• Title (english): Industrial device for the synhronous machine load angle measurement
• Author: Domagoj Adamović
• Mentor: Mario Vražić (mentor)
• Committee member: Mario Vražić (predsjednik povjerenstva)
• Committee member: Zlatko Hanić (član povjerenstva)
• Committee member: Nikola Vuger (član povjerenstva)
• Granter: University of Zagreb; Faculty of Electrical Engineering and Computing; Zagreb
• Defense date and country: 2018-09-13, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Electrical Engineering

Abstract

Kut opterećenja sinkronog stroja je pomak statorskog magnetskog polja u odnosu na rotorsko (uzbudu). Statorsko magnetsko polje je predstavljeno statorskim naponom, a rotorsko kutem rotora. Kroz ovaj završni rad prikazan je postupak razvoja elektroničkog sklopa za mjerenje kuta opterećenja sinkronog stroja. Uređaj za mjerenje kuta opterećenja sinkronog stroja zasnovan je na mikrokontroleru koji mjeri vrijeme između signala položaja rotora koji se dobiva pomoću fotosenzora koji detektira markicu na rotoru i prolaska napona armature kroz nulu. To vrijeme proporcionalno je kutu opterećenja. Točan kut opterećenja dobiva se nakon baždarenja uređaja u praznom hodu. Uređaj je namijenjen za industrijsku primjenu. Mora biti robustan, pogodan za montiranje na DIN nosač te treba davati analogni signal na izlazu. Opisani su potrebni signali kao i potrebni elektronički krugovi za obradu signala, upravljanje i parametriranje uređaja. Izrađena je tiskana pločica uređaja i napisan je kod za mikrokontroler. Nakon izrade, mjerni uređaj je ispitan u laboratoriju na testnom sinkronom generatoru sinkroniziranim s mrežom. Mjeren je kut opterećenja pri konstantnoj uzbudi na različitim vrijednostima radne snage generatora te je dokazana funkcionalnost mjernog uređaja.

Abstract (english)

The load angle of the synchronous machine is the displacement of the stator magnetic field relative to the rotor (excitation). The static magnetic field is represented by the static voltage and the rotor with angle of the rotor. Through this final work, the process of developing an electronic circuit for measuring the load angle of the the synchronous machine is shown. The synchronous machine load angle measurement device is based on a microcontroller that measures the time between the rotor position signal obtained by a photo sensors detecting a marker on the rotor and passing the armature voltage through the zero. That time is proportional to the load angle. The correct load angle is obtained after the device is idle. The appliance is intended for industrial applications. It must be robust, suitable for mounting on a DIN rail and should provide an analog output signal. Desired signals are required as well as the required electronic circuits for signal processing, control and parameterization of the device. The printed circuit board was made and the code for the microcontroller was written. After fabrication, the measuring device was tested in a laboratory on a synchronous generator connected to the electrical network. The load angle is measured at constant excitation at different generator power values ​​and the functionality of the measuring device is demonstrated.

• Keywords: sinkroni stroj; kut opterećenja; dizajn tiskane pločice; PIC mikrokontroler; elektronički sklop
• Keywords (english): synchronous machine; load angle; printed circuit board design; PIC microcontroller; electronic circuit
• Language: croatian
• URN:NBN: urn:nbn:hr:168:379157
• Study programme: Title: Electrical Engineering and Information Technology; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka elektrotehnike i informacijske tehnologije (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka elektrotehnike i informacijske tehnologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2019-03-13 18:33:52