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All Journal Agroteknika Jurnal Informatika dan Rekayasa Elektronik Jurnal Pengabdian Polinema Kepada Masyarakat Jurnal ELTEK ELPOSYS: Jurnal Sistem Kelistrikan Jurnal Teknik Ilmu dan Aplikasi

Wijaya Kusuma

Politeknik Negeri Malang

Author-ID : 4012765

Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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PELATIHAN PENINGKATAN KOMPETENSI GURU TENTANG PENGOPERASIAN DAN PERAWATAN PANEL SWITCHGEAR DI SMK TUREN-KAB. MALANG Sigi Syah Wibowo; Wijaya Kusuma; Rokiyah; Budi Eko Prasetyo; Epiwardi
Jurnal Pengabdian Polinema Kepada Masyarakat Vol. 7 No. 2 (2020): Jurnal Pengabdian Polinema Kepada Masyarakat
Publisher : UPT Penelitian dan Pengabdian Kepada Masyarakat Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jppkm.v7i2.41

SMK Negeri I Kepanjen- Kabupaten Malang . khususnya Program Studi Teknik elektronika yang sedang mengembangkan modul praktek guna mempersiapkan dan menambah jumlah modul untuk anak didiknya khususnya siswa SMK. Untuk sasat ini yang keinginan untuk mengembangkan modul praktek khususnya berkaitan dengan PLC. Berdasarkan metode yang diterapkan maka dapat dicapai hasil antara lain : Metode materi, dan peragaan yang dilaksanakan dapat efektif mencapai tujuan yang diinginkan, jika dikaitkan dengan keterbatasan waktu pelaksanaan.Peserta pelatihan Teknik Perancangan dan pemrograman PLC Untuk Pengajar Program Studi Teknik Instalasi Tenaga Elektronika di SMKN I Kepanjen Kabupaten Malang perserta pelatihan dapat melihat langsung peralatan yang dipasang. Peserta pelatihan dapat terampil melakukan praktek Teknik Perancangan dan pemrograman PLC secara sederhana dengan baik dan standart. Peserta pelatihan dapat mengatasi sendiri , jika ada permasalahan atau kerusakan praktek Teknik Perancangan dan pemrograman PLC Peserta dapat menikmati secara langsung hasil dari praktek Teknik Perancangan dan pemrograman PLC

Rancang bangun alat pemasang tali sandal menggunakan sistem pneumatik Tresna Umar Syamsuri; Wijaya Kusuma; Rohmanita Duana Putri; Harrij Mukti K
JURNAL ELTEK Vol 18 No 2 (2020): ELTEK Vol 18 No 2
Publisher : Politeknik Negeri Malang

Saat ini banyak berkembang sentra industri rumahan yang berkembang di masyarakat. Salah satunya adalah industri rumahan yang memproduksi sandal. Dalam proses produksinya pengrajin sandal masih sangat mengandalkan keterampilan tangan atau handmade,peralatan yang digunakan pun masih sangat minim. Kurang canggihnya peralatan penunjang membuat proses produksi menjadi lama dan tidak efisien. Berdasarkan permasalahan tersebut, maka diperlukan perencanaan dan pembuatan suatu alat untuk membantu dalam proses produksi sandal, khususnya dalam pemasangan tali sandal agar lebih cepat, efisien dan tidak memerlukan tenaga yang berat dalam pengoperasiannya. Salah satu bentuk teknologi yang dapat diaplikasikan dalam pemasangan tali sandal ini adalah menggunakan sistem pneumatik yang bekerja dengan memanfaatkan tekanan udara dari kompresor serta sistem manual dengan menggunakan pegas. Dalam pembuatan alat pemasang tali sandalini pneumatik digunakan sebagai komponen utama.Tujuan perencanaan dan pembuatan alat ditujukan kepada pekerja di Home Industry sandal agar bisa memproduksi sandal dengan jumlah banyak dalam waktu yang singkat. Currently, many home industry centers are developing in the community. One of them is a home industry that produces sandals. In the production process, sandal craftsmen still rely heavily on hand or handmade skills, and the equipment used is still very minimal. Lack of sophisticated supporting equipment makes the production process long and inefficient. Based on these problems, it is necessary to plan and manufacture a tool to assist in the sandal production process, especially in the installation of sandal straps so that it is faster, more efficient and does not require heavy labor in operation. One form of technology that can be applied in the installation of this sandal strap is using a pneumatic system that works by utilizing the air pressure from the compressor and the manual system using springs. In making this sandal strap fixing tool, pneumatics is used as the main component. The purpose of planning and making tools is aimed at workers in the sandal home industry so that they can produce large quantities of sandals in a short time.

Analisis Pengaruh Harmonisa Terhadap Losses Transformator 500kVA Rachmat Sutjipto; Wijaya Kusuma; Kemal Zulfianta
Elposys: Jurnal Sistem Kelistrikan Vol. 9 No. 2 (2022): ELPOSYS Vol. 9 No. 2 (2022)
Publisher : UPT - P2M POLINEMA

With the non-linear load at the State Polytechnic of Malang, it has an impact on the emergence of harmonics and the appearance of currents in the neutral wire, rising temperatures in conductors and losses in transformers.In this study, several THD analyzes were carried out in accordance with the IEEE 519-1992, including neutral current analysis, losses analysis before and after being affected by harmonics, derating analysis and alternative mitigation methods to reduce these harmonic levels. Based on observational data on 500kVA transformers at UPT PP Polinema, it is known that the highest THDi current is 14.5% and exceeds the IEEE 519-1992 standard (12%). As for the THD voltage, the harmonic is 1.87% and is below the standard (5%). Based on the analysis results, it is known that the value of losses from the neutral current is 0.096 kW. It is also known that the total loss is 1.24kW (the PCu loss is 1.2kW and the PFe loss is 0.04 kW. Based on the SPLN 50 standard in 1997, the total allowable losses are 6.6 kW and 7.84 kW after being affected by harmonics, so the total loss of the measurement results is below the standard. From the analysis, it is also known that the derating will occurs in due to harmonics is 71.6 kVA or 14.32% of the transformer capacity. So to reduce the amount of THD current a mitigation is needed in the form of installing a filter that is used to suppress harmonic currents to meet existing standards.

Analisis Keandalan Sistem Distribusi 20kV Pada Penyulang Pujon PT. PLN (PERSERO) ULP Batu Wijaya Kusuma; Ruwah Joto; Mochammad Mieftah; Awan Setiawan
Elposys: Jurnal Sistem Kelistrikan Vol. 9 No. 3 (2022): ELPOSYS vol.9 no.3 (2022)
Publisher : Politeknik Negeri Malang

At PT. PLN (Persero) ULP Batu, Pujon feeder is one of the 9 feeders in the distribution system that supplies several areas in PT. PLN (Persero) ULP Batu. At the Pujon feeder, the number of disturbances that occurred from January to November 2021 occurred twenty-two times, with details of eighteen temporary disturbances and four permanent disturbances. The number of disturbances that often occur can affect the feeder who is working normally. This can cause voltage drops and power losses, causing the flow of electric power to be less than optimal and detrimental to customers or consumers. Because it requires maneuvering so that the disturbance does not spread to all feeders and cause one feeder to experience a blackout. Based on the problems that occur, maneuver analysis is needed to reduce the impact of disturbances on the Pujon feeder and to maintain the reliability value of the distribution system at PT. PLN (Persero) ULP BATU.

Penerapan Charger Controller type PWM pada Pembangkit Listrik Tenaga Pikohidro Wijaya Kusuma; Anang Dasa Novfowan; Harrij Mukti K.
Elposys: Jurnal Sistem Kelistrikan Vol. 9 No. 3 (2022): ELPOSYS vol.9 no.3 (2022)
Publisher : Politeknik Negeri Malang

This study aims to design a PWMtype charger controller, to discover the performance of the PWM type controller, to determine the compatibility of the PWM type charger controller and MPPT, and to analyze the performance of the PWM type charger controller in the PLTPH in JLC. The method of analysis of this study uses field data and is tested on the PWM type charger controller and the MPPT type charger controller. From the data, the two charger controllers are compared. The results showed that the PWM and MPPT charger controller performed well to cut off the load current when the battery was full, the PWM and MPPT charger controller performed well to disconnect the load when the battery began to run out. The PWM and MPPT charger controllers have the same charging speed, and the MPPT charger controller has good efficiency in the PLTPH system.

Analisis Keamanan Instalasi Listrik Penerangan dan Pompa Air di Wilayah Perkampungan Ruwah Joto; Harrij Mukti K.; Tresna Umar Syamsuri; Wijaya Kusuma; Rahma Nur Amalia
Elposys: Jurnal Sistem Kelistrikan Vol. 7 No. 3 (2020): ELPOSYS vol.7 no.3 (2020)
Publisher : Politeknik Negeri Malang

The use of lighting installations installed in the RW VIII Kelurahan Kesatrian has various aspects in terms of installation and use. To prevent losses due to the installation, the solution is to conduct electrical installationtraining. As a result of this training, it is hoped that the community can make efforts to install lighting or independentlyin their respective homes safely and correctly. The purpose of this Community Service is to provide knowledge andskills in installing electrical installations correctly and safely, given the use of household electrical appliances withvarious brands, each brand of household electrical equipment has different reliability, and utilization and operationthat require safety for users.

Alternatif Penanganan Losses Akibat Ketidakseimbangan Beban Pada Trafo Distribusi Anang Dasa Novfowan; Mochammad Mieftah; Wijaya Kusuma
Elposys: Jurnal Sistem Kelistrikan Vol. 10 No. 1 (2023): ELPOSYS vol.10 no.1 (2023)
Publisher : Politeknik Negeri Malang

The unbalanced load on distribution transformers is mostly caused of connecting new customers and changing patterns of electricity usage in the community. The impact of the unbalanced load is the emergence of a current flowing on the transformer neutral conductor that causes energy losses. Load balancing of distribution transformers is commonly done by technicians, but the implementation takes quite a long time and is repeated, sometimes up to 4-5 times to get the appropriate results. This is more due to less valid customer phase data. Customer phase verification is needed to accelerate the load balancing process in an effort to reduce losses in distribution transformers. With valid customer phase data, just one stage of load balancing can reduce losses by 1.06%..

Desain Simulasi dan Analisa Closed Loop Boost Converter Terintegrasi Solar PV Berbasis PID Rahma Nur Amalia; Wijaya Kusuma
Elposys: Jurnal Sistem Kelistrikan Vol. 10 No. 1 (2023): ELPOSYS vol.10 no.1 (2023)
Publisher : Politeknik Negeri Malang

The tendency for the price of using solar PV (photovoltaic) to become cheaper means that the portion of the use of this solar energy source is encouraged to be larger along with the addition of the portion of renewable energy (EBT) generators based on PLN's 2021-2030 Electricity Supply Business Plan (RUPTL). As a step to mitigate this problem, a power electronics circuit application is needed in the form of a boost converter or what can be called a step-up DC-DC converter. In this study, the boost converter design modeling is made a closed loop. There is feedback by adding a PID controller to adjust the duty cycle as a function of switching on or off MOSFET so that the output voltage is as desired (setpoint) and adjusts to needs of load. Open-loop design modeling is also included as a comparison. The design stage begins with determining the circuit design, calculating component specifications, and simulating using MATLAB R2013a software and hardware implementation. From the test results, it was found that the boost converter can increase the solar PV voltage varies (17.34-19.13 Volts). In the closed loop boost converter circuit with a constant load of 129.96 Ω with varying duty-cycle value set by PID controller with value of Kp=0.005 Ki=9.75 Kd=0.00000029, the average output voltage is 36. 0067 Volts and stable at the desired setpoint of 36 Volts.

DESAIN DAN ANALISA CLOSED LOOP BOOST CONVERTER TERINTEGRASI SOLAR PV BERBASIS FUZZY LOGIC CONTROLLER Rahma Nur Amalia; Wijaya Kusuma; Hikmah Ariq Yuniq
Jurnal Informatika dan Rekayasa Elektronik Vol. 6 No. 1 (2023): JIRE April 2023
Publisher : LPPM STMIK Lombok

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36595/jire.v6i1.849

Kecenderungan harga penggunaan solar PV (photovoltaic) telah mendorong porsi penggunaan sumber energi matahari. Penggunaan PV surya konvensional yang menyebabkan tegangan keluaran cenderung berfluktuasi. Untuk mengatasi masalah ini, diterapkan rangkaian elektronika daya yang disebut konverter DC-DC step-up. Pemodelan desain boost converter dilakukan secara closed loop. Terdapat feedback dengan menambahkan fuzzy logic controller untuk mengatur duty cycle sebagai fungsi menghidupkan atau mematikan MOSFET agar tegangan output sesuai dengan yang diinginkan (setpoint) dan menyesuaikan dengan kebutuhan beban. Perancangan dimulai dengan menentukan desain dan parameter rangkaian, spesifikasi komponen serta dasar penetapan membership function fuzzy logic controller. Desain rangkaian kemudian dimodelkan pada simulink library MATLAB R 2013a yang selanjutnya dilakukan pengujian dengan running simulasi rangkaian untuk memperoleh hasil analisa data tegangan keluaran serta respon transien. Pada rangkaian konverter boost loop tertutup dengan beban konstan 129,96 ? dengan nilai duty-cycle yang bervariasi, tegangan keluaran rata-rata sebesar 36,082 Volt dan stabil pada setpoint yang diinginkan 36 Volt. Penggunaan kontroler logika fuzzy meningkatkan respon transien dengan mempercepat atau menurunkan waktu pengendapan rata-rata (ts) menjadi 30.50281 ms, waktu naik (tr) menjadi 1.3761 ms, waktu puncak (tp) menjadi 4 ms, dan dapat menurunkan maksimum overshoot (Mp) menjadi 64,55142%.

Analisis Stabilitas Transien Tegangan dan Frekuensi pada Sistem Pembangkit Listrik Tenaga Uap Anang Dasa Novfowan; Wijaya Kusuma; Mochammad Mieftah
Elposys: Jurnal Sistem Kelistrikan Vol. 8 No. 1 (2021): ELPOSYS vol.8 no.1 (2021)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v8i1.31

Electrical energy generated also comes from several energy, namely water, steam, nuclear, etc. In Indonesia the type ofsteam power plant is a type of power plant that is widely used, where one of the crucial problems that are often encountered in this generation system, namely the problem of stability. The stability of the electric power system is the ability of the system to return to normal or steady operation after a large load load switching or interference. Disruption or load switching that exist in the system must be muted and aligned in a certain time to be said to be stable. Causes of instability are disruptions in the form of large capacity load switching, and the type of interference. One aspect that affects the stability itself is the transient stability. The transient stability is related to the sudden influx of large-capacity loads and affect the performance of the generator, therefore it is necessary to analyze the voltage and frequency transient stability for the evaluation of the capability of the electrical system so that the system maintains the continuity of the supply of electrical energy to the load normally. Based on the research results, the current flowing before the disturbance of 98.9 A and current disturbance of 145.2 kA. This causes the voltage response to decrease 50% of the nominal, and the frequency increases to 50.36 Hz. The time required from the disturbance condition to a stable condition within 5 seconds.

Co-Authors Ahmad Hermawan Alif fitrah Anang Dasa Novfowan Arwin Datumaya Wahyudi Sumari Aulia Nur Rahma Awan Setiawan Budi Eko Prasetyo Epiwardi Harrij Mukti K. Hikmah Ariq Yuniq Kemal Zulfianta Mochammad Mieftah Muhammad Arya Izzulhaq Muhammad Ilham Rifqi Mukti, Harrij Nihayatun Nafisah Priya Surya Harijanto Rachmat Sutjipto Rahma Nur Amalia Ratna Ika Putri Rohmanita Duanaputri Rokiyah Ruwah Joto Sigi Syah Wibowo Tresna Umar Syamsuri

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