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ANALISIS EFISIENSI TERMAL PADA PEMBANGKIT LISTRIK TENAGA PANAS BUMI STAR ENERGY GEOTHERMAL DARAJAT Pratama, Muhammad Pashya Rifky; Utomo, Teguh; Wibawa, Unggul
Jurnal Mahasiswa TEUB Vol. 11 No. 6 (2023)
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Abstrak— Setelah bertahun-tahun beroperasi, plant tidak akan lagi beroperasi maksimal sesuai desain yang dibuatnya. Pada praktik siklus usaha menunjukan bahwa nilai asli dari efisiensi termal akan selalu berada dibawah 100% hal ini dikarenakan selama proses siklus untuk menciptakan usaha, energi yang diterima sistem oleh perpindahan panas tidak akan dapat diterima seluruhnya dan akan terserap oleh lingkungan. Pada penelitian ini dilakukan analisis efisiensi termal sesuai dengan hukum pertama dan kedua efisiensi termodinamika dan perhitungan termoekonomi untuk menghitung kerugian. Berdasarkan perhitungan yang telah dilakukan efisiensi termal sistem pembangkit listrik tenaga panas bumi Star Energy Geothermal Darajat unit3 sebesar 21,72% dengan kerugian eksergi terbesar terdapat pada komponen condenser sebesar 62.219,418 kW dengan biaya rugi eksergi sebesar 252.766.682,24 Rp/hari dan yang terkecil terdapat pada cooling tower sebesar 599,362 kW dengan biaya rugi eksergi sebesar23,655,907.11. Rp/hari dari hasil berikut ini dapat diketahui jika nilai efisinsi ini bergantung pada performansi dari masing-masing komponen pembangkit. Kata kunci— Termal, Eksergi, Termoekonomi, Efisiensi.
PERANCANGAN PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO COBAN JAHE PADA ASPEK TEKNIK DAN SISTEM KELISTRIKAN Wardani, Alya Kusuma; Utomo, Teguh; Hasanah, Rini Nur
Jurnal Mahasiswa TEUB Vol. 12 No. 1 (2024)
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Pembangkit Listrik Tenaga Mikro Hidro (PTLMH) merupakan pembangkit listrik yang memanfaatkan aliran air yang mengalir secara kontinyu dengan kapasitas daya terbangkit di antara 5 kW-100 kW. Di Indonesia, masih banyak aliran air seperti sungai, air terjun, maupun dam yang belum dimanfaatkan secara maksimal, salah satunya air terjun Coban Jahe. Coban Jahe terletak di Dusun Krajan, Desa Taji, Kec. Jabung, Kabupaten Malang. Maka dari itu, dilakukan perancangan PLTMH Coban Jahe untuk memanfatkan sumber daya air yang ada. Pada penelitian ini, pengukuran debit air menggunakan metode apung dan pengukuran tinggi jatuh air menggunakan metode manual dengan patok kayu dan tali rafia. Dari pengukuran tersebut, didapatkan debit air sebesar 0,7465 m3/s dan tinggi jatuh air (head) efektif sebesar 4,1514 meter. Debit air dan head yang terukur dijadikan dasar penentuan desain komponenkomponen instalasi yang meliputi bendung, intake, saluran pembawa, bak penenang, pipa pesat, turbin air, generator, dan sistem kontrol beban serta sistem kelistrikan yang meliputi instalasi listrik pada rumah pembangkit dan pemilihan kWh meter. Berdasarkan debit air dan head yang terukur, turbin air yang dipilih yakni turbin Crossflow. Potensi daya yang dapat dibangkitkan oleh PLTMH Coban Jahe yakni sebesar 14,92 kW. Dengan jumlah daya tersebut, generator yang dipilih yakni generator sinkron 3 fasa brushless excitation dengan kapasitas 25 kVA dan ELC dengan kapasitas 30 kW. Kata kunci: PLTMH, debit air, turbin air Crossflow, generator, AutoCAD
EVALUASI KELAYAKAN KINERJA PEMUTUS TENAGA (PMT) 70 kV PADA BAY ARJAWINANGUN 1 DI GARDU INDUK SUNYARAGI Yuka, Helmi Dwi; Utomo, Teguh; Dhofir, Moch.
Jurnal Mahasiswa TEUB Vol. 12 No. 1 (2024)
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Power Breakers (PMT) are one of the important equipment in the electricity system at the main substation. Damage to the PMT is very dangerous and disrupts the operation of the system, so periodic testing must be carried out to ensure that the PMT is suitable for operation. Tests on PMT are insulation resistance testing, contact resistance testing, grounding resistance testing, contact simultaneity testing, and SF6 gas testing. This research aims to evaluate whether the PMT in the Arjawinangun 1 bay at the Sunyaragi Main Substation is still effective and safe to operate, namely by using analysis of a set of data taken based on the values produced by routine testing or maintenance. This research was carried out by comparing the test results obtained with the standard values for each test. The insulation resistance test results obtained for each phase have values above 70 MΩ. The results of contact resistance testing carried out on each phase have values below 50 µΩ. The results of the grounding resistance test on each phase have a value below 1Ω. In the simultaneity test, the delta time calculation results obtained for both open and close times were each below 10 ms. The results of SF6 gas purity testing have a purity value above 99%. Based on the results of testing for insulation resistance, contact resistance, grounding resistance, contact simultaneity and SF6 gas purity, the PMT installed in Arjawinangun 1 bay is still in a safe condition and suitable for operation because it complies with standards. Keywords—Power Breaker (PMT), Insulation Resistance, Contact Resistance, Grounding Resistance, Contact Simultaneity, SF6 Gas Purity
PENGARUH PENAMBAHAN CAMPURAN ARANG LIMBAH KULIT PISANG DAN FLY ASH TERHADAP PENURUNAN NILAI RESISTANSI PERTANAHAN ROD GROUNDING Jagad, Mohammad Wahyu; Dhofir, Moch.; Utomo, Teguh
Jurnal Mahasiswa TEUB Vol. 12 No. 1 (2024)
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One of the efforts that can be made to reduce the value of soil resistance is by providing soil treatment. The most ideal soil treatment is done in the nearest area to the grounding electrode. Soil treatment can be carried out by adding other substances to the soil to engineer soil conditions and reduce the value of soil resistance. This study aims to examine the effect of a mixture of banana peel waste charcoal and fly ash on the reduction of soil resistance values. Banana peel charcoal contains activated carbon that can maintain soil moisture, while fly ash is a residue from coal combustion that contains electrolyte compounds. The homogeneously engineered mixture of banana peel waste charcoal and fly ash has a resistivity of 385.76 Ω-cm. Testing was conducted with three variations of the mixture composition: banana peel charcoal 75% and fly ash 25%, banana peel charcoal 50% and fly ash 50%, and banana peel charcoal 25% and fly ash 75%, with a constant insertion depth of 0.7 meters and a diameter of 0.15 meters. The first mixture successfully reduced soil resistance by 46.1 Ω, or a reduction of 52.77%. The second mixture successfully reduced soil resistance by 40.27 Ω, or a reduction of 46.57%. The third mixture successfully reduced soil resistance by 27.3 Ω, or a reduction of 31.34%. Moisture engineering was carried out by adding 300 ml of water, resulting in a reductionranging from 9.33% to 23.90%. Keywords: Banana peel charcoal, Fly ash, Soil resistance, Soil resistivity, Soil treatment,
ANALISIS KEANDALAN SISTEM DISTRIBUSI 20 kV PENYULANG BUNUL PT. PLN ULP MALANG KOTA MENGGUNAKAN METODE RIA (RELIABILITY INDEX ASSESSMENT) Farraz, Dayrry Yozza; Utomo, Teguh; Wijono, n/a
Jurnal Mahasiswa TEUB Vol. 12 No. 1 (2024)
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Abstract - This paper discusses the reliability analysis of the 20 kV distribution system of Bunul Feeder at PT. PLN ULP Malang Kota. Several indices used to measure the reliability level of the distribution system are SAIFI (System Average InterruptionFrequency Index), SAIDI (System Average Interruption Duration Index), and CAIDI (Customer Average Interruption DurationIndex). The objective of this research is to obtain the reliability index values (SAIDI, SAIFI, CAIDI) for the Bunul Feeder at PT. PLN ULP Malang Kota using the Reliability Index Assessment (RIA) method and single line diagram simulation on ETAP, as well as comparing these reliability index values with the SPLN 59 standard from 1985. The methods employed include the RIA method and ETAP 19.0.1 simulation software. Based on the RIA method calculations, the failure rate and unavailability values are2.7120210 interruptions/year and 12.3712701 hours/year, respectively. Meanwhile, SAIFI is 1.6761635 interruptions/year, SAIDI is 9.2354936 hours/year, and CAIDI is 5.5099002 hours/interruption. The simulation results for the reliability indices in ETAP show SAIFI, SAIDI, and CAIDI values of 2.4640 interruptions/year, 5.7485 hours/year, and 2.333 hours/interruption, respectively.Based on the results obtained, the percentage differences in the reliability index values of the RIA and ETAP methods for SAIFI, SAIDI, CAIDI respectively are 47%, 38%, 58%. The differences in values are caused by imperfect switching conditions in calculations involving components other than distribution channels. With all reliability index values from the RIA method and ETAP simulation for the Bunul Feeder of PT. PLN ULP Malang Kota being smaller than the values in SPLN 59 of 1985, the distribution system of the Bunul Feeder can be considered reliable. Keywords—Bunul feeder, reliability index, RIA method, ETAP, SPLN 59 of 1985
ANALISIS TEKNO-EKONOMI SISTEM PEMBANGKIT HIBRID STUDI KASUS KEPULAUAN MENTAWAI Altajim, Fauzan Aiman; Utomo, Teguh; Hasanah, Rini Nur
Jurnal Mahasiswa TEUB Vol. 12 No. 1 (2024)
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Indonesia's electricity generation still predominantly uses non-renewable sources, while renewable energy sources are still minimal. This study focuses on the Mentawai Islands which rely on Diesel Power Plants (PLTD) with high fuel costs. This research analyzes the good potential for Hybrid Power Plants (PLTH), combining solar and diesel energy to meet 24-hour electricity needs in rural areas. Research methods in techno-economic analysis involve data collection, determining specifications for Solar Power Generation Systems (PLTS), designing PLTH systems, and simulations using Homer software. This research shows that PLTH produces 6,034,395 kWh/year, with 3.36% PLTS penetration. The cost per kWh (COE) of PLTH is IDR 4,198.50. This research highlights the potential of PLTH as an effective and sustainable energy solution in the Indonesian archipelago. Keywords: PLTH, PLTD, PLTS, Output Power
ANALISIS KEANDALAN SISTEM JARINGAN DISTRIBUSI 20 KV DENGAN METODE FAILURE MODE EFFECT ANALYSIS DI PT PLN (PERSERO) ULP SUMBERPUCUNG PADA PENYULANG KALIPARE Hakim, Lukmanul; Utomo, Teguh; Wibawa, Unggul
Jurnal Mahasiswa TEUB Vol. 12 No. 1 (2024)
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Electrical energy is generated from a plant and will be transmitted and distributed to be channeled to homes and consumed bycustomers. PT. PLN (Persero) or abbreviation of PT. Perusahaan Listrik Negara (Persero) is a state-owned company that movesand controls electricity starting from generation, transmission, and distribution to be distributed to homes and consumed bycustomers. ULP Sumberpucung or abbreviation of Sumberpucung Customer Service Unit is a sub-unit of UP3 Malang that isresponsible for customer service and overcoming electricity distribution problems with a smaller area. The calculation analysis ofthe 20 kV distribution network reliability system is a calculation analysis to find the values of SAIDI, SAIFI, and CAIDI. Thecalculation analysis carried out can use several methods, one of which is the FMEA (Failure Mode Effect Analysis) method. TheFMEA method is used to find the final results of SAIDI, SAIFI, and CAIDI values by identifying components that experienceinterference. The parameters used to determine the reliability index value with the manual calculation of the FMEA method include the failure rate of SPLN equipment, channel length, failure rate of each channel, repair time according to SPLN, repair rate, and the number of customers per distribution substation. The reliability index value can also be performed comparative analysis using ETAP 19.0.1 software. Analysis using ETAP software uses several parameters such as active failure rate, switching time, number of customers per load point, duration of component repair, and cable length. In addition, the results of the SAIDI value can be used to find the value of economic losses received by PLN in the event of a disturbance. The results of the analysis of manual calculations of the FMEA method and analysis on ETAP 19.0.1 software on the Kalipare Feeder at PT. PLN (Persero) ULPSumberpucung shows reliable results because the reliability index value is still below the provisions of SPLN No. 59 of 1985. Keywords: FMEA, ETAP, Interference Identification, Energy Not Supplied, Economic Value
ANALISIS PERBAIKAN TEGANGAN DAN RUGI DAYA PADA PENYULANG JETIS PT PLN (PERSERO) UP3 KEDIRI MENGGUNAKAN ETAP 19.0 Allaam, Hisyam Ghozi; Utomo, Teguh; Hasanah, Rini Nur
Jurnal Mahasiswa TEUB Vol. 12 No. 2 (2024)
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PLN UP3 Kediri is a company that manages the Jetis Feeder distribution channel which is facing voltage drops and power losses. There are several methods to overcome this incident, such as conductor uprating, substation voltage uprating, and capacitor bank installation. With this improvement, it is hoped that the voltage drop and power loss values will be within the range determined according to SPLN (±5% for voltage drop and -10% for power loss) and ETAP alerts will be ±1% of the nominal limit. This research aims to determine the value of voltage drop and power loss before and after the repair method is carried out and determine the most efficient method. This research shows that under existing loading conditions, the Jetis Feeder is in normal condition. Under full load conditions (100%), the Jetis Feeder has a voltage drop of 4.539% and a power loss of 3.182%. The voltage drop value in this condition is still within the safe condition limit according to SPLN, but has entered the alert condition in ETAP, namely >4%. Under these conditions, repair efforts are needed to overcome voltage drops and power losses. After carrying out repair efforts, the voltage drop and power loss values for the 150 mm2 conductor uprating were 4.445% and 5.158%, the priority conductor uprating was 4.135% and 4.658%, the substation voltage uprating was 1.986% and 4.995%, and the capacitor bank installationwas 2 .5% and 4.558%. Keywords – Voltage Drop, Power Loss, Power Flow, ETAP
UJI KARAKTERISTIK CAMPURAN MINYAK KELAPA SAWIT DENGAN MINYAK BIJI BUNGA MATAHARI SEBAGAI ISOLASI PADA TRANSFORMATOR Putra, Deni Dwi Rahman; Dhofir, Moch.; Utomo, Teguh
Jurnal Mahasiswa TEUB Vol. 12 No. 2 (2024)
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Transformer oil is a type of liquid insulation used for insulators and coolants in transformers. Until now, the main component in insulating oil production still predominantly comes from petroleum. The availability of petroleum will increasingly run out because petroleum is a non-renewable material. Efforts are needed to reduce the use of petroleum, one way that can be done is to use vegetable oil as liquid insulation. One of the vegetable oils that can be used as liquid isolation is palm oil. However, palm oil still has a low dielectric strength, so sunflower seed oil which has a high dielectric strength is mixed so that the dielectric strength of palm oil can be increased. This research discusses the effect of adding sunflower seed oil to palm oil on the electrical properties of relative permittivity and conductivity as well as breakdown voltage. So in this research four tests will be carried out, namely water content reduction testing, relative permittivity testing, conductivity testing and breakdown voltage testing. The sunflower seed oil used uses a composition of 5%, 10%, 15%, 20%, 25%, 30%. Based on the test results that have been carried out, palm oil has a breakdown voltage value of 24.85 KV/2.5 mm. This causes the breakdown voltage value to not meet the IEC 156 standard of 30 KV/2.5 mm. Mixing sunflower seed oil with palm oil can increase the breakdown voltage value of palm oil. The more sunflower seed oil in the composition, the breakdown voltage value will also be greater. A composition of 30% sunflower seed oil has abreakdown voltage value of 44.89 KV/2.5 mm. The value of reducing water content, relative permittivity and conductivity of palm oil is quite large with values respectively 600 PPM; 3.56 F/m; 19.9 × 10^(-10) S/m. The greater the composition of the sunflower seed oil mixture, the reduction in water content, relative permittivity and conductivity will decrease. A mixture with a composition of 30% sunflower seed oil has relative permittivity and conductivity values of 300 PPM respectively; 3.2; 2.12 × 10^(-10) S/m. This shows that the greater the composition of sunflower seed oil, the better the insulating quality. When compared with Shell Diala-B mineral oil, it has a breakdown voltage of 19.61 KV/2.5 mm with a relative permittivity value of 2.95 and a conductivity value of 1.99 × 10^(-10) S/m and a water content reduction value of 0 PPM. Keywords— mixture, palm oil, sunflower seed oil, breakdown voltage, conductivity, relative permittivity
EVALUASI TEKNIS PADA PENGOPERASIAN PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO (PLTMH) KALI JARI DESA GADUNGAN KABUPATEN BLITAR Shidqi, Fahruddin; Utomo, Teguh; Hasanah, Rini Nur
Jurnal Mahasiswa TEUB Vol. 12 No. 2 (2024)
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Kurangnya kegiatan perawatan membuat pihak pengelola dan operator kesulitan mengidentifikasi kinerja dari PLTMH Check Dam V Kali Jari. Maka dari itu, perlu dilakukan evaluasi terkait aspek teknis dan kinerja dari PLTMH untuk mengetahui kondisi sesungguhnya saat kondisi berbeban, dan potensi sumber daya air yang ada. Berdasarkan hasil evaluasi, pengukuran debit air yang didapat dengan metode apungan bernilai sebesar 0,4760 m3/s, sedangkan pengukuran tinggi jatuh air (head) denganmetode waterpass, didapatkan hasil Heff sebesar 8,014 meter. Berdasarkan potensi sumber daya air tersebut, potensi daya listrikyang dapat terbangkitkan secara teori sebesar 17,96 kW. Akan tetapi, dengan potensi daya terbangkitkan tersebut, daya terpasang pada PLTMH Check Dam V Kali Jari sebesar 15 kW dan generator terpasang sebesar 8 kW. Penggunaan daya listrik rata-rata tiga fasa PLTMH Check Dam V Kali Jari selama dua hari pengukuran pada pukul (18.00 – 22.00 WIB) sebesar 2.1761 kW untuk daya nyata dan 2.7089 kVA untuk daya semu. Perbandingan daya nyata rata-rata terpakai dan daya generator sebesar 27.0894%, sedangkan perbandingan daya nyata rata-rata terpakai dengan daya terpasang, maka didapatkan perbandingan rata-rata sebesar 14.4477%. Hal ini menunjukkan kurang optimalnya penggunaan daya pada PLTMH Check Dam V Kali Jari. Berdasarkan ketentuan umum yang berlaku pada IMIDAP (Integrated Microhydro Development and Application Program) tahun 2009 oleh Kementerian ESDM, pada beberapa komponen sipil, mekanikal dan elektrikal pada PLTMH Wot Lemah sudah layak namun perlu dilakukan perbaikan pada beberapa komponen terutama pada komponen transmisi mekanik. Kata Kunci: PLTMH, Evaluasi, Metode Apungan, Metode Waterpass, Daya Nyata, IMIDAP.
Co-Authors Adi Nugroho Pamungkas Aditya Prayoga Agus Supriono Akbar, Muhammad Yoga Rochmanu Akhmad Hasim Aldo Harry Saputra Allaam, Hisyam Ghozi Altajim, Fauzan Aiman Amanda Octavianus Rizky Andreas Parningotan S. Anggie Alvionita Anwi Kusuma Ardi Moh. Yusuf Arief Y., Primanda Arifin, Muhammad Rifat Aji Satria Arizky Erwinsyah Hariyanto Arkan Pradipta Arsy Rahmat Syahbani Assariy, Muhammad Faiz Asyhari, Ahmad Rizky At Tamimi, Riswandha Yusuf Aulia, Fitrah Baskara Heka Syahputra Bernadine, Muhammad Zaidan Bhawiko, Alekhin Muhammad Azhar Candra Mebby Oka Dedy Alfilianto Derry Putranugraha Dhofir, Mochammad Dikma Hartanjung Ditto Adi Permana Dwiky Satrio Wibowo Edi Setiawan Egavania Zerlinda Elisa Gumelar Dennis Erdyan Setyo W. Erlangga Dinda Permana Erlinda Indrayani Faishal, Luthfi Nur Fakhruddin Ar Rozi Farid Rohmadi Fariz Aulia Rifqi Farraz, Dayrry Yozza Febriananda Mulya Pratama Fery Praditama Fikri, Al Hadi Fikri, Zakkiyul Firdausi, Mega Firly Azka Nurhidayah Friska Bakti Novella Gagah Pratama Putra Galih Fajar Wicaksono Gathot Winarso, Gathot Gede Teguh Adi Wedangga Gitawan Dimas Prakoso Goegoes Dwi Nusantoro Haidar Ali Yafie Hamaris, Farhan Hari Santoso Harry Soekotjo Dachlan Hery Purnomo Himam, Fanisha Laila I Kadek Dwika Antara I Wayan Ari Mahendra Ifah Dea Hapsyari Ilham Ismail Mochsen ILYAS FATIH RAMADHAN Irfan Madani Pratama Jagad, Mohammad Wahyu Jayadiyuda, I Wayan Angga Jiwandono, Ferdian Ade Kalvin Lentino Kemal Pasha Pramudianto Khurun ‘Ain, n/a Kresna Sukma Dewangga Kurniawan, Ananda Donny Laksono, Mico Norman Lavelia Permata C. Lintang Gadis Ratu Rachellya Lukmanul Hakim Lunde Ardhenta Luthfan Bagus Saputra M. Iqbal Bayhaqi Fauzi M. Yudistya Perdana Ma'arif, Muhammad Thoriqul Maharani, Bella Fathia Mahfudz Shidiq Mahfudz Sidiq Malamansyah, Triamelia Salsabila Markus D. Letik Maulana, Achmad Fazar Arya Maulidina, Nabila Vida Moch Dhofir Moch. Dhofir Moch. Dhofir Moch. Dhofir Moch. Rizki Indra Dwijayanto Mochammad Fattah, Mochammad Mohammad Fahririjal Mubarok, M. Farid Ibnu Muhamad Alif Fatur Rahman Muhamad Andre Agesa Muhammad Arsyad Muhammad Azka Athallah Muhammad Edwinsyah Redho Muhammad Fadhli Dzil Ikram Muhammad Fahmy Madjid Muhammad Faris Hizrian Muhammad Halim Sa’id Muhammad Rif’at Nor Imami Muhammad Sekti Yolansyah Muhammad Wildan D. Muhammad Zakkiyul Fikri Syahara Arifianto Muyassar, Tegar n/a Rizaq n/a Soemarwanto n/a Soeprapto n/a Suyono Nandha Pamadya Putra Nizar Shodiq Novan Ardita Pratama Nur Laili Mufarikha Nurumar Setiyo Agung Pangeran Fatullah Panji Bintang Pamungkas Pradhana, Raka Radithya Praditama, Fery Pramudya, Lembat Aji Pratama, Muhammad Pashya Rifky Priambudi, Ardhito Pudji Purwanti Pujo Utomo Putra Adi Dharma Utama Putra, Deni Dwi Rahman Rachendra, Bima Denatta Rachman Shandy Pratama Radian Hepta Martha Hardaka Rafi Ilham Rahardjo, Muhammad Farid Ramdhony Tofano Murisom Revo Chanavi Mara Rexano B, Leonardo Reza Aliansyah Rif'an, Mochammad Rini Nur Hasanah Rini Nur Hasanah Riswandha Yusuf At Tamimi Rizal Firmansyah Rizki Adhi Priawan Rizki Ashadi Rizky Hamid Robbyansyah Rohmadi, Farid Rohman, Deny Fatkhur Rosyid, Muhammad Ruditta Devianti Sambodo Rila Priambudi Saputra, Didit Sugeng Sari Yuniarti Satrio Wicaksono Sean Yudha Yahya Shiddiq, Muhammad Fatihul Shidqi, Fahruddin Siagian, Alfandri Sinta Pratiwi Soeprapto Soeprapto Suwarno, Nastiti Viononny Suyono, Hadi Syarifasa, Arkananta Sydney, Agnes Amadea Rullynda Timbul Mulia Titis Aridanti Pratiwi Tri Nurwati Try Brojoseto Alkotsar Unggul Wibawa Unggul Wibawa Unggul Wibawa Unggul Wibawa Unggul Wibawa Utomo, Muhamad Adib Nur Utomo, Muhamad Afiq Nur Wahyu Nur Firdausy Warda Islamiyah Wardani, Alya Kusuma Wijono, n/a Wilda Faradina Wisam Abyadha Ibrahim Wisnu Adi Suryo Yanuar Alfa Tri Susanto Yashinta Carolina Dewi Yuda Wastu Yudistira Adi Nugroho Yuka, Helmi Dwi Yulistiono, Irwan Zaidane Alizzah Noufal Zuhdi, Fadhil Ariq Zulfikar Subagio ‘Aqila, M. Farrel Nikkola Putra