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All Journal JE-Unisla Al-DYAS : Jurnal Inovasi dan Pengabdian kepada Masyarakat
Wardah, Izzah Aula
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Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Social Sciences Other

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ANALISA KUALITAS DAYA TRANSFORMATOR 1 MVA DAN 200 KVA DI UPT BALAI YASA SURABAYA GUBENG Rani Iswahyu Ramadini; Budiono, Gatut; Wardah, Izzah Aula
Jurnal JE-UNISLA : Electronic Control, Telecomunication, Computer Information and Power System Vol 8 No 2 (2023): JE-UNISLA
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/je-unisla.v8i2.1119

Abstract

UPT Balai Yasa Surabaya Gubeng has electrical equipment with non-liner load characteristics, which may affect power rating in accordance with PLN and IEEE 519 – 2014 standards. Non-linear loads result in non-compliant power quality parameter values ​​such as voltage, power factor, frequency, and harmonics. The efficiency of the transformer is also determined. due to the generated power from the transformer to the load. This study was conducted by collecting and processing data from LVMDP. It was found that several parameters did not comply with PLN standards. The power factor of LVMDP 1 MVA and LVMDP 200 KVA are 0.8 and 0.7 respectively. Meanwhile, all voltage and frequency ​​of 1 MVA and 200 KVA LVMDP are still according to PLN standards. Whereas, the harmonics of LVMDP 1 MVA THDi R phase (26.18%), S phase (18.83%), THDv T phase (8.86%), and LVMDP 200 KVA THDv T phase (5.58%) are not in accordance with IEEE 519 – 2014 standards. Thus, single tuned filter were simulated which reduce the harmonics of the systems and increase the efficiency of the transformator.
Kajian Teknis Penerangan Jalan Umum di Jalan Akses Bandara Juanda Sunarto, Rizqi Kusumawardana; Andriawan, Aris Heri; Wardah, Izzah Aula
Al-DYAS Vol 2 No 3 (2023): OKTOBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/aldyas.v2i3.1303

Abstract

Juanda Airport Access Road, Sidoarjo Regency, East Java has a length of 3.15km with a width of 6m and there are 73 lighting points with a pole height of 12m and a distance between poles of 44m with a total of 8 single-arm poles and 65 double-arm poles. In addition, the street lighting lamps installed are 72 150 watt LED lamps and 66 250 watt SON-T type lamps. The measurement results are 26.37 lux for a 150 watt LED type lamp and 10.27 lux for a 250 watt SON-T lamp. However, from the many lights that have been installed, the lighting on the access road to Juanda Airport is still not optimal and many blackspots are found in certain areas. Therefore, it is necessary to do a re-analysis so that the road lighting for the Juanda Airport access road can meet the standards. The results of the analysis concluded that by carrying out a simulation on the dialux application according to the conditions in the field, 73 points of lighting poles were needed, the handlebar angle of the ornament was 14.06o with a total of 138 196 watt LED lights with an intensity of 15 lux which was in accordance with the standards of the Indonesian National Standards Agency 7391 : 2008 regarding the specifications for street lighting in urban areas and the Ministry of Energy and Mineral Resources 2014 for collector road classes for national road status, namely 15 - 20lux.
Co-Authors Aris Heri Andriawan, Aris Heri Gatut Budiono Rani Iswahyu Ramadini Sunarto, Rizqi Kusumawardana