Power Factor Correction Of A Variable Voltage Variable Frequency AC-AC Converter Via Appropriate SVPWM Technique

Saidah, Saidah and Sutiksno, Hari and Purwahyudi, Bambang (2018) Power Factor Correction Of A Variable Voltage Variable Frequency AC-AC Converter Via Appropriate SVPWM Technique. Other. ANNUAL REPORT INTERNASIONAL RESEARCH COLLABORATION AND SCIENTIFIC PUBLICATION, International Journal of Power Electronics and Drive System (IJPEDS).

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Abstract

This research has a background in the widespread use of power electronics circuits, especially three-phase AC-AC converters for various applications in the industry. Threephase AC-AC converter as a device to convert voltage 220 Volt, 50 Hz into variable voltage and variable frequency. AC-AC converter is often found widely for various applications in the industry ie in wind power plants (PLTB) with great power and speed variable; industries which use big power induction motor and slower speed such as cement processing industries; PT. PLN that implements DC transmission on the island of Sumatra. The importance of using a three-phase AC-AC to generate variable AC voltages and variable frequencies has driven this research to discuss the AC-AC converter. In general, three-phase AC-AC converters have a topology consisting of a three-phase AC-DC converter (rectifier) and a three-phase DC-AC converter (Inverter) based on the IGBT switch and using PWM technology to set the ON�OFF switches. The use of a switch on a three-phase AC-AC converter will have an impact both on the input side and on the output side. On the input side power factor and THD still have problems while on the output side AC voltage is not regulated. At this time AC-AC converter can not overcome the impact caused. Therefore, to solve the problem, in this research is proposed AC-AC converter which can change the voltage from 100 - 265 Volt and frequency 20 Hz - 60 Hz. AC-AC converter is used to drive the asynchron motor (Motor Induction) with varying load according to the desired speed, so that the required frequency and voltage variables. AC-AC converters with variable voltages and frequencies are equipped with a power factor controller that can keep the power factor close to one, sinusoidal network current and applicable to different types of loads according to the desired voltage. This AC�AC converter has a high efficiency because it uses Space Vector PWM (SVPWM) in adjusting the pulse width of modulation on the IGBT switch component used. This type of AC-AC converter is indispensable in the industrial world and not yet on the market, so the opportunity for research teams to conduct research to produce appropriate technology that can be utilized in this industry. The first year of research produced an AC-AC converter model with Space Vector PWM (SVPWM) technique and equipped with Unity Power factor on input side and AC voltage with Proportional Integrator (PI) controller on output side. The AC-AC converter is used to drive the asynchronous motor and is applied to various types of loads according to the desired voltage. Then it is done a simulation test with Matlab. The simulation result shows unity power factor, low THD, high efficiency with SVPWM and regulated AC voltage on output side. The research was conducted in Indonesia and California that produced publications in international seminars and international journals. While the second year research focused on laboratory test of AC-AC converter model which started with inverter laboratory test to run asynchronous motor with variable load, then tested rectifier laboratories then rectifier and inverter merger, so as to produce AC-AC converter accordingly. This research was conducted in Indonesia and invited colleagues from california polythecnic to bhayangkara university. The results of the second year's research produced publications in international seminars, international journals and teaching materials.

Item Type: Monograph (Other)
Additional Information: Tahun ke 1 dari rencana 2 tahun
Uncontrolled Keywords: AC-AC Converter, SVPWM (Space Vector Pulse Width Modulation), Unity Power Factor Control, PI Controller.
Subjects: Technology > 621.3 Electrical Engineering
Divisions: Faculty of Social and Politics > Bachelor of Public Administrations
Depositing User: Perpus Ubhara Surabaya
Date Deposited: 01 Feb 2023 03:57
Last Modified: 09 Feb 2023 06:17
URI: http://eprints.ubhara.ac.id/id/eprint/1705

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