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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) International Journal of Reconfigurable and Embedded Systems (IJRES) Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Teknik Elektro Jurnal Ilmiah Dinamika Rekayasa (DINAREK) JTERA (Jurnal Teknologi Rekayasa) Jurnal Pendidikan dan Teknologi Indonesia Jurnal Pengabdian Masyarakat Indonesia Jurnal Nasional Teknik Elektro dan Teknologi Informasi
Winasis Winasis
Teknik Elektro, Universitas Jenderal Soedirman, Indonesia
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Public Health Social Sciences

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Pemanfaatan Potensi Daya Listrik Dan Instalasi Turbin-Generator Pembangkit Listrik Tenaga Pikohidro Hari Prasetijo; Widhiatmoko Herry Purnomo; Suroso Suroso; Winasis Winasis; Mulki Indana Zulfa
Jurnal Pengabdian Masyarakat Indonesia Vol 3 No 4 (2023): JPMI - Agustus 2023
Publisher : CV Infinite Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jpmi.1418

Abstract

Kebijakan Energi Nasional 2014 dan Rencana Umum Energi Nasional 2017 merupakan komitmen pemerintah dalam pengembangan potensi energi baru dan terbarukan di Indonesia.  Kebijakan tersebut berupaya memaksimalkan penggunaan energi bersih/terbarukan diantaranya energi air. Kegiatan pengabdian masyarakat ini merupakan bagian upaya pemanfaatan energi air dengan tujuan menghitung potensi daya listrik dan membuat komponen mekanikal elektrikal untuk memanfaatkan potensi daya potensial air menjadi daya listrik. Lokasi kegiatan adalah di Plawetan RT 07 RW 03 Desa Watuagung Kecamatan Tambak Kabupaten Banyumas dengan memanfaatkan salah satu beda elevasi aliran sungai curug. Pengukuran yang dilakukan mendapatkan elevasi 1 meter dan debit 0,1 m3/s dengan potensi daya listrik sekitar 600 watt. Identifikasi potensi daya tersebut digunakan sebagai dasar pemilihan generator dan pembuatan turbin untuk dipasang pada rumah pembangkit. Metode yang digunakan adalah : (1) pengukuran debit aliran sungai (2) pengukuran tinggi jatuh (head) pada lokasi rumah pembangkit (3) perhitungan potensi daya listrik, (4) pembuatan turbin (5) pemasangan turbin-generator di rumah pembangkit.  Hasil yang dicapai dari kegiatan ini adalah : pembuatan rumah pembangkit, turbin dan pemasangan turbin-generator berdasar potensi energi air. Hasil pemasangan turbin generator pada rumah pembangkit ini, merupakan tahap pertama yang akan dilanjutkan dengan tahap kedua berupa pembangunan bendung saluran air, penstock dan distribusi listrik sebagai penerangan jalan.
Pembangkit Listrik Tenaga Pikohidro Untuk Penerangan Jalan Hari Prasetijo; Widhiatmoko Herry Purnomo; Suroso Suroso; Winasis Winasis; Purwanto Bekti Santoso; Yanuar Haryanto
Jurnal Pengabdian Masyarakat Indonesia Vol 4 No 4 (2024): JPMI - Agustus 2024
Publisher : CV Infinite Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jpmi.2492

Abstract

Sampai dengan akhir tahun 2023, target bauran energi primer energi baru terbarukan (EBT) baru mencapai 15,7%, masih memerlukan upaya yang konkrit dan terencana untuk mencapai target Bauran 23% di tahun 2025 dan 34% di tahun 2030.  Sebagai salah satu usaha ikut berkontribusi dalam pengembangan energi air maka penulis dan tim mengadakan kegiatan pengabdian masyarakat dengan tujuan memanfaatkan potensi energi listrik dari energi potensial air sepanjang aliran sungai dalam kapasitas relatif kecil yaitu 1.000 watt, disebut pikohidro, untuk penerangan jalan di grumbul Plawetan, kecamatan Tambak, Jawa Tengah. Kegiatan tersebut merupakan tahapan kedua karena pada tahun sebelumnya telah dibangun rumah pembangkit berisi turbin-generator yang ditentukan berdasar hasil pengukuran dan perhitungan kapasitas daya pada sungai yang mengaliran di daerah tersebut. Kegiatan ini dilakukan dengan tahapan: (1) membangun bendung pada aliran sungai. (2) membuat saluran air dari bendung ke rumah pembangkit, tepatnya agar energi potensial air dapat memutar turbin-generator, (3) distribusi daya listrik dari generator ke penerangan jalan umum (PJU), dan (4) pengujian nyala PJU.  Hasilnya PJU sebanyak 15 lampu LED masing-masing berkapasitas daya 15 watt dan  dummy load berupa lampu 2x200 watt dan 2x75 watt dapat menyala dengan tegangan 205 volt pada sisi beban lampu yang sesuai dengan standar PLN, yaitu SPLN 1: 1995, yakni tegangan diperbolehkan maksimum 5% dan maksimum 10% terhadap tegangan normal.  Pada tegangan nominal 220 volt maka rentang tegangan yang sesuai adalah 198 s.d. 232 volt.  Mengingat di daerah perbukitan dan distribusi sepanjang sekitar 700 meter maka digunakan kabel SR 2x10 mm2 yang menggunakan isolator XPLE dan resistansi 1,83 ohm/km panjang, sehingga dari perhitungan drop voltage yang terjadi sekitar 9,5 volt.  Dengan tercapainya tujuan kegiatan maka keamanan dan kenyamanan aktivitas warga terutama pada malam hari dapat meningkat.
Power converter for battery charger of electric vehicle with controllable charging current Suroso, Suroso; Prasetijo, Hari; Winasis, Winasis; Siswantoro, Hari; Nugroho, Daru Tri; Utomo, Wahyu Mulyo; Abu Bakar, Afarulrazi
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 15, No 2: June 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v15.i2.pp968-977

Abstract

Research on electric vehicle chargers primarily focuses on improving charging technology to enhance the convenience, quality, efficiency, and affordability of charging electric vehicles. This paper discusses a different AC-DC power converter topology proposed as a potential candidate for electric vehicle battery charger. Using the proposed converter circuit, the charging process of electric vehicle battery can be simply adjusted to meet the battery requirement, and even for increasing the charging speed while avoiding overcharging of battery. During the charging process, if the voltage of battery approaches to the targeted battery voltage level, the charging current can be reduced gradually to zero. Hence it will prevent the battery from overcharging condition. Moreover, the ability of working at high power factor operation, low distortion of alternating current (AC) input current, and low direct current (DC) output current ripple are other features of the proposed charger circuits. Some test results of the proposed power converter were presented. The test results revealed potential features of the converter for battery charger of electric vehicle with power factor 0.9996, total harmonic distortion (THD) of AC current 2.73%, and low charging current ripple, i.e. 3.91%. Therefore, it minimizes the negative effects caused by ripples of charging current especially for lithium-ion batteries widely used in electric vehicles.
DESIGN OF A CASCODE BIPOLAR JUNCTION TRANSISTOR (BJT) RADIO FREQUENCY (RF) AMPLIFIER CIRCUIT Wardhana, Arief Wisnu; Winasis, Winasis; Priswanto, Priswanto
Transmisi: Jurnal Ilmiah Teknik Elektro Vol 27, No 2 April (2025): TRANSMISI: Jurnal Ilmiah Teknik Elektro
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/transmisi.27.2.109-121

Abstract

The purpose of this research is to develop an audio   receiver amplifier circuit. The  amplifier consists of a cascode  amplifier which is turned into an  amplifier by adding two parallel  resonators. One parallel  resonator is placed at the input. Another parallel  circuit is used as a collector load. Parallel  circuit was employed because this device is intended for use only over a narrow frequency range. The tuned amplifier’s frequency was  734 . A spoiling resistor of magnitude was added in series with the tuned circuit’s inductor to reduce the sharpness of the resonant peak, resulting in a  bandwidth. The famous cascode configuration was employed to improve the high-frequency performance of this  amplifier. The Multisim simulation results of the circuit shows that it has performed according to the specification. It can be concluded that the designed circuit has successfully carried out his duty, in that only the frequencies of interest within the bandwidth are amplified. The circuit has been able to selects a particular range of frequencies (from a lower frequency of  up to an upper frequency of ), and rejects the other undesired frequencies. Thus, giving the tuned amplifier a bandwidth of . The peak voltage was achieved at frequency of  . Furthermore, the cascode configuration employed has effectively eliminates the most trouble source of high-frequency loss – the input Miller capacitance.
Study of parallel operation single phase H-bridge CSI and H-bridge VSI Suroso, Suroso; Winasis, Winasis; Supriyanti, Retno
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 16, No 3: September 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v16.i3.pp1721-1730

Abstract

In some applications, parallel operation of some single-phase inverters with different characteristics is a necessity, such as in a photovoltaic power conversion system. Each power inverter with its power source works, delivering power to a common load which cannot be supplied by a single power inverter. This paper proposed a novel parallel operation of two different power inverter circuit types. H-bridge voltage source inverter (HB VSI) and H-bridge current source inverter (HB-CSI), supplying AC power to a common load. The proposed inverter system was examined and its operation characteristics were analyzed using computer simulation. Moreover, a laboratory prototype of the inverter system was made and examined to validate some principal characteristics of the inverter system experimentally. Test results showed that by combining the HB-VSI and HB CSI, a lower distortion of load current was achieved, specifically, total harmonic distortion (THD) of Iload was less than 1%. This phenomenon happens even the THD of AC currents generated by HB-VSI and HB-CSI at 6.95% and 6.18%, respectively.
Room energy management utilizing internet of things technology for decreasing electricity consumption Winasis, Winasis; Suroso, Suroso; Nugraha, Azis Wisnu Widhi; Priswanto, Priswanto
International Journal of Reconfigurable and Embedded Systems (IJRES) Vol 14, No 3: Nov 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijres.v14.i3.pp734-744

Abstract

This paper proposes a novel internet of things (IoT)-based control system for energy management to reduce electricity consumption from the two most dominant loads in buildings: air conditioners (AC) and lighting. The proposed system provides a comprehensive operational control strategy that integrates scheduling, human detection, ambient temperature, and light intensity for optimal room-level energy management employed. The proposed system employs wireless fidelity (WiFi)-enabled temperature, presence, and light sensors for comprehensive room conditions monitoring. Additionally, a WiFi-connected infrared module serves as an actuator to regulate the AC unit. Testing results demonstrate compelling energy savings, achieving up to 36% for the AC and 72% for the lighting while maintaining a comfortable indoor environment. These results were obtained from an experimental test in a private room within a residence over an 8-hour daytime period with 50% occupancy time. The proposed IoT system offers a highly effective and easily deployable solution for sustainable energy reduction in residential settings.
Co-Authors Abu Bakar, Afarulrazi Ambariyanto Ambariyanto Arief Wisnu Wardhana, Arief Wisnu Azis Wisnu Widhi Nugraha Bagus Karnanto Daru Tri Nugroho Fajar Surya Tri Nugroho Giri Angga Setia Hari Prasetijo Hari Prasetijo Hari Siswantoro, Hari Imron Rosyadi Mulki Indana Zulfa Nugroho, Fajar Surya Tri Priswanto Priswanto, Priswanto Purwanto Bekti Santoso, Purwanto Bekti Rafly Sulthan Mahdy Retno Supriyanti Rosyadi, Imron Sarjiya Satria Ardhi Permana Sebastian Adi Prakoso Suroso Suroso Suroso Suroso Suroso Suroso Wahyu Mulyo Utomo Widhiatmoko Herry Purnomo Yanuar Haryanto Yogi Ramadhani