UNINTERRUPTIBLE POWER SUPPLY (UPS) DENGAN MODIFIED BATTERY CHARGER UNTUK MEMPERBAIKI FAKTOR DAYA DAN MEREDUKSI HARMONISA

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ITS » Undergraduate Theses » S1 Teknik Elektro
Posted by anis at 20/05/2009 16:41:45 • 66694 Views

UNINTERRUPTIBLE POWER SUPPLY (UPS) DENGAN MODIFIED BATTERY CHARGER UNTUK MEMPERBAIKI FAKTOR DAYA DAN MEREDUKSI HARMONISA

UNINTERRUPTIBLE POWER SUPPLY (UPS) WITH MODIFIED BATTERY CHARGER TO IMPROVE POWER FACTOR AND REDUCE HARMONICS

Created by :
Annisa, Nurul

Subject:	Electric Power
Alt. Subject :	Electric Power
Keyword:	rectifier-battery charger buck converter flyback converter faktor daya dan harmonisa.

Description:

Uninterruptible Power Supply (UPS) umum digunakan untuk menjaga kontinuitas suplai daya listrik pada beban-beban sensitif. UPS tersusun atas beberapa peralatan elektronika daya yang dioperasikan dengan pensaklaran frekuensi tinggi. Hal tersebut dapat mengakibatkan turunnya faktor daya dan meningkatnya harmonisa di sisi input. Pada pembahasan Tugas Akhir ini, dicoba untuk mengatasi kedua permasalahan tersebut dengan memodifikasi rangkaian rectifier-battery charger. Mengganti buck converter yang umum dipakai pada battery charger dengan flyback converter dan menambahkan filter input. Rangkaian battery charger yang telah dimodifikasi ini dapat menaikkan faktor daya yang mula-mula 0.88 menjadi 0.93. Serta dapat mengurangi tingkat distorsi harmonisa arus (THDi) yang ditimbulkan yang awalnya 51 % menjadi 18 %.

Alt. Description

Uninterruptible Power Supply (UPS) is commonly used to maintain continuity of electric power supply for sensitive loads. UPS consists of several power electronics devices which operated in high frequency switching. It causes poor power factor and higher harmonics distortion in supply system. This Final Project elaborates a way to overcome those problems by modifying rectifier-battery charger circuit. Replacing buck converter which is commonly used in battery charger with flyback converter and adding line filter. This modified battery charger improves power factor level from 0.88 to 0.93, and reduces current harmonics distortion level (THDi) from 51% to 18%.

Contributor	:	Dr. Ir. Mochamad Ashari, M.Eng Prof. Ir. Ontoseno Penangsang, M.sc. PhD
Date Create	:	20/05/2009
Type	:	Text
Format	:	pdf.
Language	:	Indonesian
Identifier	:	ITS-Undergraduate-3100008030888
Collection ID	:	3100008030888
Call Number	:	RSE 621.31 Ann u

Source :
Undergraduate Theses, DEPARTMENT OF ELECTRICAL ENGINEERING RSE 621.31 Ann u, 2007

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Copyright @2007 by ITS Library. This publication is protected by copyright and permission should be obtained from the ITS Library prior to any prohibited reproduction, storage in a retrievel system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to ITS Library

Publication URL :
http://digilib.its.ac.id/uninterruptible-power-supply-ups-dengan-modified-battery-charger-untuk-memperbaiki-faktor-daya-dan-mereduksi-harmonisa-4184.html

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  1. ITS-Undergraduate-4184-220100016-judul.pdf - 433 KB
  2. ITS-Undergraduate-4184-220100016-bab1.pdf - 54 KB
  3. ITS-Undergraduate-4184-220100016-bab2.pdf - 538 KB
  4. ITS-Undergraduate-4184-220100016-bab3.pdf - 1167 KB
  5. ITS-Undergraduate-4184-220100016-bab4.pdf - 1998 KB
  6. ITS-Undergraduate-4184-220100016-kesimpulan.pdf - 67 KB

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