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Program Administrasi Persuratan Pada Desa Parakanmulya Kecamatan Tirtamulya Karawang Surtika Ayumida; Ardiansyah, Dian; Supriyatna
PROFITABILITAS Vol 2 No 2 (2022): JURNAL PROFITABILITAS
Publisher : Sistem Informasi Akuntansi Kampu Kabupaten Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31294/profitabilitas.v2i2.1717

Abstract

The development of information and communication technology at this time has accelerated and changed the pattern of human work to be faster, more effective and efficient. This progress encourages the restoration of the administrative service system in accordance with the development of information technology, so that the data management system runs better and safer. Thus the information system can assist in improving the quality of information and efficiency in public services. In Parakanmulya village, most of the correspondence services are still carried out conventionally, namely with word processing applications (Ms. Word), so the process takes longer, to document letter files is not well administered, errors often occur and even archives are lost due to the large number of archives . Seeing this situation, it is appropriate for the government to use the computer advancement side to support performance to be more efficient in order to improve services to the community by switching from a system that currently still uses bookkeeping media to a computerized information system.
Pengaruh Risk Perception dan Kualitas Informasi Akuntansi Terhadap Keputusan Investasi di Masa Pandemi (Studi Pada Investor di BEI FE UnHasy Tebuireng Jombang) Supriyatna; Rachma Agustina
BAJ: Behavioral Accounting Journal Vol. 5 No. 2 (2022): July-December 2022
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/baj.v5i2.207

Abstract

This study aims to determine the Risk Perception and Quality of Accounting Information on Investment Decisions for Investors at the Investment Gallery of the Indonesia Stock Exchange, Faculty of Economics, Hasyim Asy'ari University, Tebuireng Jombang. The method used in this study is a quantitative research method. The population in this study were 34 respondents. The sampling technique is using a saturated sample technique that makes the entire population as a sample. The results of the study show that: (1) Risk perception of investors in the Indonesia Stock Exchange Investment Gallery, Faculty of Economics, Hasyim Asy'ari University, has no influence on investment decisions during the pandemic, (2) Quality of accounting information on investors in the Indonesia Stock Exchange Investment Gallery, Faculty of Economics, University Hasyim Asy'ari has an influence on investment decisions during the pandemic.
Rekonfigurasi Jaringan Distribusi Primer Pada Penyulang Praya Kota Menggunakan Binary Particle Swarm Optimization Untuk Mengurangi Rugi Daya Jaringan Distribusi Ramdhani, Zainul Hadi; Supriyatna; Ginarsa, I Made
DIELEKTRIKA Vol 12 No 1 (2025): DIELEKTRIKA
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dielektrika.v12i1.401

Abstract

Rekonfigurasi jaringan distribusi memegang peranan penting dalam meningkatkan efisiensi operasional sistem distribusi listrik, terutama di wilayah dengan kepadatan penduduk tinggi dengan permintaan daya sangat besar. Untuk mengurangi rugi-rugi daya dan memperbaiki profil tegangan, rekonfigurasi jaringan menjadi salah satu pilihan yang dapat dilakukan. Dalam tugas akhir ini menggunakan metode Binary Particle Swarm Optimization (BPSO) untuk menganalisis studi kasus rekonfigurasi jaringan distribusi 20 kV pada PT PLN (Persero) Unit Layanan Pelanggan Praya. Rekonfigurasi dilakukan dengan mencoba beberapa hubungan baru antar bus dari konfigurasi yang sudah ada pada jaringan distribusi, tanpa merubah posisi transformator distribusi, jumlah saluran dan struktur jaringan radial. Hasil simulasi menunjukkan bahwa jaringan yang telah direkonfigurasi berhasil mencapai pengurangan yang cukup signifikan dalam rugi daya aktif, yaitu dari 24,677 kW menjadi 17,000 kW, yang setara dengan pengurangan sebesar 31,07%. Selain itu, profil tegangan jaringan juga mengalami perbaikan yang signifikan, dengan tegangan minimum meningkat dari 0,990 p.u. menjadi 0,993 p.u.
Analisis Sistem Proteksi Rele Differensial Pada Busbar Di Gardu Induk 150 kV Paokmotong rosihan adi wijaya; supriyatna; sultan
DIELEKTRIKA Vol 12 No 1 (2025): DIELEKTRIKA
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dielektrika.v12i1.404

Abstract

Substations are an important component in the transmission and distribution system of electric power. This substation functions as a point of distributing electricity from the plant to the end consumer by changing the voltage level for power delivery efficiency. The critical element in the substation is the busbar or bus, which serves as a link between electrical equipment such as transformers, circuit breakers, and transmission lines. Busbars at the Substation play an important role in maintaining the continuity and stability of the electric power system. Busbars are also vulnerable to disturbances, such as short circuits that can cause major damage and widespread disruption of electrical services. Fast, sensitive, and reliable protection systems are needed to detect and isolate disturbances in the busbar to prevent more severe damage and ensure the safety and stability of the electric power system. An effective method of protection for busbars is to use differential relays. Differential relays work on the principle of ratio of inlet and outflow currents out of the protection zone. Data processing in the form of calculation of differential relay setting in the form of calculation: finding the value of the CT ratio, secondary current in the CT, differential current, strain current, slope percent and setting current. The next stage is to simulate the differential relay working system through ETAP 19.0.1 software. The differential current value (Id) is 0.924 A and the restrain current (Ir) is 1.012 A, slope1 is 91.24% and slope2 is 182.48%, and the differential relay setting current value is 1.2012 A. The differential relay performance in the ETAP simulation is 100% working well. When there is a 3-phase internal symmetrical disturbance of 2.708 A, the differential relay works, and when there is an external symmetrical 3-phase disturbance , 1.486 A causes the differential relay not to work.
SOSIALISASI ANALISIS RANGKAIAN LISTRIK DASAR KEPADA SISWA SEKOLAH MENENGAH ATAS NEGERI 7 MATARAM Putra, I Ketut Perdana; Seniari, Ni Made; Adnyani, Ida Ayu Sri; Muljono, Agung Budi; Natsir, Abdul; Supriyatna; Dharma S, Bagus Widhi; Saidah, Humairo
Jurnal Abdi Insani Vol 12 No 5 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i5.2483

Abstract

Mahasiswa jurusan Teknik Elektro Universitas Mataram, adalah alumni dari beberapa Sekolah Menengah Atas dari dalam dan dari luar kota Mataram. Mahasiswa tersebut di semester 2 kesulitan dalam menganalisis rangkaian listrik, akibat kurang memahami elemen dirangkai seri atau pararel dalam rangkaian listrik. Masalah ini menyebabkan mahasiswa sulit memahami berbagai metode analisis rangkaian listrik, memerlukan lebih banyak pertemuan dan penugasan mahasiswa. Pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pemahaman siswa SMN 7 di Mataram dalam analisis rangkaian listrik melalui metode peragaan. Pembelajaran rangkaian listrik juga bertujuan untuk memberikan pemahaman hukum-hukum dasar dan metode analisis rangkaian listrik, meningkatkan nilai pelajaran Fisika, meningkatkan nilai SBMPTN ataupun SNMPTN. Metode yang digunakan adalah melalui pembelajaran dengan menjelaskan elemen-elemen, hukum-hukum dan metode analisis rangkaian listrik, serta cara mengidentifikasi elemen terhubung seri dan pararel dengan metode peragaan. Untuk mendapatkan indikator pemahaman siswa sebelum dan setelah pembelajaran, siswa diberikan 14 soal rangkaian listrik. Sebelum penyampaian materi rangkaian listrik dengan peragaan, dari 33 orang siswa dengan 14 soal, total soal yang dapat dikerjakan dengan benar oleh seluruh siswa adalah 16 soal. Setelah penyampaian materi siswa diberikan soal yang sama, dan jawaban total jawaban siswa yang benar adalah 387 soal. Prosentase peningkatan pemahaman siswa tentang materi rangkaian listrik secara kuantitatif meningkat sebesar 80,31 %. Siswa mengikuti kegiatan dengan penuh semangat, aktif melaksanakan tanya jawab, yang mengindikasikan bahwa materi yang disampaikan menarik dan bermanfaat. Pihak pengelola sekolah dan guru kelas juga mendukung kegiatan pembelajaran yang dilaksanakan. Kegiatan pembelajaran rangkaian listrik dengan peragaan memberikan manfaat untuk siswa dan sekolah.
Upaya Mendukung Diversifikasi Energi Di Lingkungan Kampus Melalui Pengisian Baterai Sepeda Listrik Mandiri Pada PLTS Off-grid Universitas Mataram Harjian, Muhammad Rivaldi; Adnyani, Ida Ayu Sri; Supriyatna; Natsir, Abdul; Perdana, I Ketut; Putra, R. Reski Eka; Tawaqqal, Akbar
Jurnal Pengabdian Magister Pendidikan IPA Vol 8 No 2 (2025): April-Juni 2025
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v8i2.11501

Abstract

This Community service aims to design and implement an independent electric bicycle battery charging system using an Off-grid Solar Power Plant (PLTS) in the campus environment of the University of Mataram. The charging system is designed with two models: charging via an inverter using the bicycle's built-in charger and direct charging using a charging box equipped with a boost converter, charging regulator module, Arduino, current and voltage sensors, and LCD. The electric bicycle battery charging test started at 09:40–16:10 WITA. The initial voltage when charging the battery was 44.04 Volts and the initial battery charging current was 5.86 A. The battery charging time was 6.5 hours until the battery voltage reached 49.98 Volts and the total energy required was 681.02 Wh (Watt-hour). Testing was carried out on two charging methods, namely fixed and non-fixed currents, to compare charging efficiency and effectiveness. The test results show that the independent charging system can charge a 48 Volt 12 Ah electric bicycle battery in about 6.5 hours with a total energy of 681.02 Wh. Charging efficiency through the charger box ranges from 80–98%. This system is considered effective in supporting the use of renewable energy and environmentally friendly transportation in the campus environment.
Informatika Implementasi Aplikasi Point Of Sale Berbasis Web Pada Percetakan Amanah Offset Printing Niasari, Fitri; Julianti, Fitri; Supriyatna; Marlina, Siti; Latif , Abdul
Management of Information System Journal Vol 3 No 3: Juli 2025
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/mis.v3i3.2117

Abstract

− This study aims to design and develop a web-based sales information system using the Waterfall method at Amanah Offset Printing. The system was built using PHP Native, MySQL, and Laragon to manage sales transactions, raw material purchases, inventory, customer data, and financial reports in an integrated manner. The test results show that the system meets user requirements, improves transaction management efficiency, data accuracy, and simplifies realtime financial reporting.
Analisis Keandalan Sistem Distribusi Listrik Sistem Zero Down Time Pada Sirkuit Mandalika urif sukma, lalu deni; Supriyatna; Sultan
DIELEKTRIKA Vol 12 No 2 (2025): DIELEKTRIKA
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dielektrika.v12i2.420

Abstract

Ketersediaan suplai listrik yang andal merupakan aspek pendukung dalam kegiatan berskala internasional seperti MotoGP di Sirkuit Mandalika. Untuk menjaga kontinuitas pelayanan tanpa gangguan, PT PLN (Persero) menerapkan sistem distribusi dengan konsep Zero Down Time yang mengandalkan penyulang Mandalika I, Mandalika II, dan cadangan MVTIC. Penelitian ini bertujuan menganalisis indeks keandalan sistem distribusi area Sirkuit Mandalika dengan dan tanpa penerapan sistem cadangan MVTIC. Hasil analisis menunjukkan sebelum penerapan backup MVTIC, nilai SAIDI dan SAIFI Metode Markov sebesar 0,13 jam/pelanggan/tahun dan 0,01 kali/pelanggan/tahun, sedangkan simulasi ETAP menghasilkan nilai 0,55 jam/pelanggan/tahun dan 0,05 kali/pelanggan/tahun. Setelah penerapan backup MVTIC, nilai tersebut menjadi 0,0001 jam dan 0,0007 kali (Markov), serta 0,08 jam dan 0,008 kali (ETAP). Penurunan ini menunjukkan peningkatan keandalan sebesar 99,92% dan 93% (Markov), serta 85,45% dan 84% (ETAP). Dengan demikian, penerapan backup MVTIC sangat efektif dalam meningkatkan keandalan sistem distribusi pada kawasan Zero Down Time Sirkuit Mandalika.
Analisis Intensitas Medan Listrik pada Pemukiman akibat Sambaran Petir pada Menara Base Transceiver Station Analysis of Electric Field Intensity in Residential Areas Due to Lightning Strikes on Base Transceiver Station Towers Seniari, Ni Made; Supriyatna; Natsir, Abdul; Adnyani, Ida Ayu Sri; Ginarsa, I Made; Mahdi, Muh. Sultanul; Hamdi, Haidar; S, Bagus Widhi Dharma
Jurnal Penelitian Pendidikan IPA Vol 11 No 4 (2025): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i4.8550

Abstract

Base Transceiver Station (BTS) towers are highly vulnerable to lightning strikes. A lightning strike is a moving electric charge that generates an electric field and a magnetic field, both of which are vector quantities, and induces voltage around the tower. The closer to the tower, the greater the values of the electric field, magnetic field, and induced voltage generated. A 49-meter highs tower in Mataram City is located 25 and 300 meters from residential areas and public facilities. The metabolism of living organisms, such as blood circulation, nerve function, heart rate, lung function, cell growth, and cell division, are also vector quantities. Exposure of living organisms to external electric fields exceeding the threshold of ≥10 kV/m can disrupt their metabolism. It is crucial to determine the magnitude and direction of the electric field vector caused by lightning strikes on BTS towers and how it affects living organisms around the tower. Observations are based on Coulomb's Law and its derivative theories on electric fields. The peak lightning current in tropical areas ranges from 10 to 100 kA, with a frequency of 200 kHz. The electric field intensity at distances of 25 and 300 meters is 58.30, 584.50, 4.86, and 48.71 kV/m, respectively. These results indicate that a distance of 25 meters from the tower is not safe from exposure to high electric field intensity values.
SECURITIES ACCOUNT OPENING PADA PT. PHINTRACO SEKURITAS CABANG SURABAYA Rachma Agustina; Supriyatna
ABIDUMASY Vol 3 No 2 (2022): ABIDUMASY : JURNAL PENGABDIAN KEPADA MASYARAKAT
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33752/abidumasy.v3i2.3340

Abstract

The process of involving investors to participate in the capital market requires a form of complete information relating to the status of investors/potential investors, both internally and externally to the company, which allows accuracy and precision to be obtained in an effort to anticipate the risks of investing in the capital market. PT. Phintraco Sekuritas, which in this case is a securities broker, requires several documents to open a client's securities account. The implementation of this service is carried out to guide the mechanism for opening a securities account at PT. Phintraco Sekuritas Surabaya Branch. The method in this activity is carried out by conducting an in-depth study of the mechanism for opening a securities account based on facts. Furthermore, providing assistance and guidance to each investor who intends to open a securities account. The results of the activity show that the opening of stock accounts is divided into 2, namely conventional and sharia, while the documents required for opening include administrative documents in the form of e-KTP, Student Identity Card (for those who are students), 10,000 stamp duty and NPWP. The next requirement that must be completed is the initial account balance of 100,000 which will be sent to the customer's RDN account.
Co-Authors Agung Budi Muljono Agustina, Rachma DHARMA S, BAGUS WIDHI Dian Ardiansyah Fitri Julianti Hamdi, Haidar Harjian, Muhammad Rivaldi Humairoh Saidah I Made Ginarsa Ida Ayu Sri Adnyani Latif , Abdul Mahdi, Muh. Sultanul Natsir, Abdul Niasari, Fitri Perdana, I Ketut Putra, I Ketut Perdana Putra, R. Reski Eka Ramdhani, Zainul Hadi rosihan adi wijaya S, Bagus Widhi Dharma Seniari, Ni Made Siti Marlina, Siti sultan Supriyatna, Ahmad Surtika Ayumida Surtika Ayumida Tawaqqal, Akbar urif sukma, lalu deni