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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) Mechatronics, Electrical Power, and Vehicular Technology TELKOMNIKA (Telecommunication Computing Electronics and Control) Sistem : Jurnal Ilmu-Ilmu Teknik SUSTINERE: Journal of Environment and Sustainability JPP IPTEK (Jurnal Pengabdian dan Penerapan IPTEK) Buletin Ilmiah Sarjana Teknik Elektro Jurnal Pengabdian kepada Masyarakat Nusantara ELPOSYS: Jurnal Sistem Kelistrikan Jurnal Ilmu Ekonomi, Pendidikan dan Teknik (IDENTIK) Vokasi UNESA Bulletin of Engineering, Technology and Applied Science JURNAL LINTAS KARSA
Nur Vidia Laksmi B
Universitas Negeri Surabaya
Religion Agriculture, Biological Sciences & Forestry Arts Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Transportation Other

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Design of Bidirectional DC-DC Converter for Photovoltaic Charging System Muhammad Farhan Rizky; Muhammad Syahril Mubarok; Herlambang Setiadi; Nur Vidia Laksmi B.
Vokasi UNESA Bulletin of Engineering, Technology and Applied Science Vol. 1 No. 3 (2024)
Publisher : Universitas Negeri Surabaya or The State University of Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/vubeta.v1i3.35685

Abstract

This paper proposes a bidirectional DC-DC converter designed for photovoltaic charging systems. The converter aims to efficiently charge batteries while maintaining stable DC voltage and current output. It can convert DC power from solar panels to charge the battery and deliver DC power from the battery to the connected DC bus. The control method for the converter utilizes PI control to achieve a constant output current and voltage. The simulations were conducted using MATLAB/Simulink software, optimizing the converter’s topology, parameters, and controls according to the requirements of the PV charging system. Simulations validated the converter’s performance under various conditions, including input power fluctuations caused by changes in sunlight intensity. The results demonstrate that the bidirectional DC-DC converter effectively operates in charging and discharging modes, maintaining a stable 24V voltage in the DC bus and providing optimal charging performance for the battery.
Design of Automatic Battery Charger Using Forward DC-DC Converter for Solar Home Energy Nur Vidia Laksmi B.; Muhammad Syahril Mubarok; Fithrotul Irda Amaliah; As’ad Shidqy Aziz; Daeng Rahmatullah; Dimas Herjuno; Muhammad Afnan Habibi
Vokasi UNESA Bulletin of Engineering, Technology and Applied Science Vol. 2 No. 1 (2025)
Publisher : Universitas Negeri Surabaya or The State University of Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/vubeta.v2i1.35817

Abstract

The utilization of solar energy as a renewable and environmentally friendly energy source, which is inexhaustible, is an ideal solution to meet the growing demand for electricity. Solar Home Energy refers to a house powered by solar energy. The solar energy is subsequently stored in batteries using a battery charger. In this paper, a forward DC-DC converter is used as a battery charger to supply power to a self-sufficient house from solar energy, stored in a 96 V 45 Ah battery. A fuzzy logic controller is employed to regulate the output of the forward DC-DC converter, ensuring a constant charging voltage according to the set point. The output of this project is designed for 110 V 4.5 A; however, in practice, the forward DC-DC converter only achieved a charging voltage of 100.5 V, resulting in an error of 8.63% from the planned value. Additionally, the charging current reached 1.4 A, leading to a significant error of 63.89% from the planned charging current.
PELATIHAN PENGGUNAAN DAN PEMELIHARAAN PEMBANGKIT TENAGA SURYA PADA DESA BEGAN, KECAMATAN GLAGAH, KABUPATEN LAMONGAN JAWA TIMUR Ayusta Lukita Wardani; Mahendra Widiyartono; widi aribowo; Reza Rahmadian; Aditya Chandra Hermawan; Nur Vidia Laksmi B; Daeng Rakhmatullah; As'ad Shidqy Aziz; Fithrotul Irda Amaliah; Alfarid Hendro Yuwono
Jurnal Lintas Karsa Vol. 2 No. 1 (2025): Jurnal Lintas Karsa (November 2025)
Publisher : S1 Teknik Mesin Fakultas Teknik. Universitas Negeri Surabaya Gedung A6 Kampus UNESA Ketintang Surabaya 60231

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/lintaskarsa.v2i01.74039

Abstract

Pemanfaatan energi surya merupakan salah satu solusi strategis dalam meningkatkan kemandirian energi dan kualitas fasilitas umum di wilayah pedesaan. Desa Began, Kecamatan Glagah, Kabupaten Lamongan, Jawa Timur, memiliki potensi energi surya yang cukup besar, namun pemanfaatan dan pemeliharaan sistem pembangkit listrik tenaga surya (PLTS) masih menghadapi keterbatasan pengetahuan dan keterampilan masyarakat. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan kapasitas masyarakat dalam penggunaan dan pemeliharaan PLTS, khususnya PLTS Penerangan Jalan Umum (PJU), melalui pelatihan dan pendampingan teknis. Metode pelaksanaan meliputi survei awal pada fasilitas desa, yaitu masjid, jalan desa, dan area pemakaman, untuk menentukan lokasi penempatan yang tepat, dilanjutkan dengan pelatihan penggunaan dan pemeliharaan PLTS yang dilengkapi dengan pretest dan posttest sebagai instrumen evaluasi. Selain itu, masyarakat dibekali dengan buku saku sebagai panduan praktis penggunaan, pemeliharaan, dan penanganan gangguan (troubleshooting). Hasil kegiatan menunjukkan adanya peningkatan pemahaman dan antusiasme masyarakat terhadap pemanfaatan energi surya, yang tercermin dari peningkatan hasil posttest serta partisipasi aktif peserta selama pelatihan. Kegiatan ini diakhiri dengan serah terima PLTS PJU dan buku saku kepada masyarakat Desa Began sebagai luaran nyata kegiatan pengabdian. Secara keseluruhan, kegiatan ini berkontribusi terhadap pencapaian SDG 7 (Energi Bersih dan Terjangkau),dan SDG 11 (Kota dan Permukiman Berkelanjutan) melalui peningkatan kemandirian energi dan kapasitas masyarakat desa.
Sand cat swarm optimization for controlling PID in DC motor Widi Aribowo; Ehab Saif Ghith; Reza Rahmadian; Mahendra Widyartono; Ayusta Lukita Wardani; Aditya Prapanca; Nur Vidia Laksmi B.
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 22, No 2: April 2024
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v22i2.25630

Abstract

In this article, the direct current (DC) motor control approach is presented using the sand cat swarm optimization (SCSO) method to obtain the best proportional integral derivative (PID) parameters. DC motors are popular equipment. In addition, DC motors are easy to apply. SCSO is a method that adopts the desert cat’s life in nature when searching for prey. This cat is able to detect low frequencies below 2 kHz and also has an extraordinary ability to dig for prey. This research was carried out using the MATLAB/Simulink application. To obtain the performance of the SCSO method, a comparison method was used, namely particle swarm optimization (PSO), gray wolf optimizer (GWO), whale optimization algorithm (WOA), and aquila optimizer (AO). From the results of the study, it was found that the settling time value and integral total weighted absolute value error (ITAE) value of the SCSO method were the best compared to other methods.
Indirect Matrix Converter Based Synchronous Reluctance Motor Drive Systems using Model Predictive Control Nur Vidia Laksmi B.; Muhammad Syahril Mubarok; Widi Aribowo; Didik Purwanto; Jacob Raglend Isaac; Vugar Hacimahmud Abdullayev
Buletin Ilmiah Sarjana Teknik Elektro Vol. 8 No. 2 (2026): April
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/biste.v8i2.15222

Abstract

This paper proposes a speed control strategy of Synchronous Reluctance Motors (SynRM) using an Indirect Matrix Converter (IMC) combined with a finite model predictive speed control (MPSC) and PI current control. This control algoritm is chosen than fully PI in both loops due to improve overall system stability and dynamic response. The IMC architecture offers advantages such as compactness, bidirectional power flow, and the elimination of bulky passive components, making it ideal for efficient motor drive systems. The proposed control method employs predictive algorithm using augmented state variable and cost function minimization technique. In addition, PI controllers here using a pole-assignment method. Both proposed controls aim to guarantee stability and responsiveness for dynamic performances. The MATLAB/Simulink is used here to simulate the system, incorporating practical motor parameters and space vector modulation techniques. Simulation results show that the control algorithm attains satisfactory speed performance, with minimal steady-state error 0.47%, overshoot below 2%, and fast settling time under various load 0.035 seconds and speed profiles. Additionally, the system performs robustly under reversed and sinusoidal speed commands, demonstrating its effectiveness and suitability for real-world industrial applications also need to implement in the experiment for the future works.
Integration of a bidirectional cell in a quasi-Z-source inverter for CMV reduction and pure sinusoidal wave form Mohammad Imron Dwi Prasetyo; Muhammad Syahril Mubarok; Sofyan Muhammad Ilman; Misbahul Munir; Nur Vidia Laksmi B
Journal of Mechatronics, Electrical Power, and Vehicular Technology Vol 16, No 2 (2025)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/j.mev.2025.1100

Abstract

With the increasing global commitment to renewable energy sources like photovoltaics (PV), there is a critical need for high-efficiency and high-power-quality converter topologies. Traditional two-stage PV systems are often complex and introduce significant Common Mode Voltage (CMV), leading to issues like leakage currents, high electromagnetic interference, and safety concerns. This paper proposes the Integration of a Bidirectional Cell within a quasi-Z-Source Inverter (BC-qZSI) to achieve CMV Reduction in a single-stage power conversion setup. The BC acts as an active balancing and filtering element rather than solely a boosting stage, ensuring a continuous current mode and actively suppressing the high-frequency CMV components generated by the shoot-through states. The analytical mathematical expression of the proposed topology is derived to confirm its operation, voltage boost capability, and CMV characteristics. Ideal simulation results, performed using PSIM software, validate the derived expressions and demonstrate the effectiveness of the proposed design. The topology achieves a significant reduction in CMV, lowering its amplitude more than 90% compared to the conventional qZSI. Furthermore, the output waveform quality is excellent, yielding a Total Harmonic Distortion (THDv) of 2 %, which complies with the IEEE Std 519-2014 standard for acceptable waveform quality. These results confirm that the integrated BC-qZSI topology effectively mitigates CMV while maintaining high power quality and a single-stage architecture.
Rancang Bangun Sistem Proteksi Pengisian Daya Pada Sepeda Listrik Roda Tiga Vokasi Unesa Terintegrasi Panel Surya Yanuar Rahman; Ferly Isnomo Abdi; Warju Warju; Daeng Rahmatullah; Nur Vidia Laksmi B
Jurnal Ilmu Ekonomi, Pendidikan dan Teknik Vol. 3 No. 3 (2026): IDENTIK - Mei
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/identik.v3i3.1543

Abstract

The increasing use of electric bicycles as an environmentally friendly mode of transportation has created a growing need for safe and efficient battery charging systems. One of the main challenges in battery charging systems is the risk of overcharging and overtemperature, which can reduce battery performance and lifespan. This study aims to design and develop a charging protection system for the UNESA Vocational three-wheeled electric bicycle integrated with a solar panel using an ESP32-based Auto Cut-Off method. The developed system utilizes a PZEM-017 voltage sensor, DHT22 and PT100 temperature sensors, and a Solid State Relay (SSR) as an automatic power disconnection actuator. The research employed an experimental method consisting of system design, hardware assembly, functional testing, data collection, and result analysis. Testing was conducted using voltage variations of 54.4 V, 57.6 V, and 60 V for Over Voltage Protection (OVP), and temperature variations of 25°C, 40°C, and 50°C for Over Temperature Protection (OTP). The results indicate that the system successfully detected overcharge and overtemperature conditions and automatically disconnected the charging process according to the predefined set points. The sensor measurement error was found to be less than 1% compared to reference measuring instruments. Furthermore, the hybrid charging system integrating solar panels and grid electricity achieved a remaining battery capacity of 60%, which was higher than the 45% remaining capacity obtained from grid-only charging under the same operating conditions. Therefore, the developed protection system effectively improves battery charging safety while supporting the utilization of renewable energy in three-wheeled electric bicycles.
Co-Authors Aditya Chandra Hermawan Aditya Prapanca Alfarid Hendro Yuwono Amaliah, Fithrotul Irda Ariyanto, Sudirman Rizki As'ad Shidqy Aziz As’ad Shidqy Aziz As’ad Shidqy Aziz As’ad Shidqy Aziz Ayusta Lukita Wardani Daeng Rahmatullah Daeng Rahmatullah Daeng Rakhmatullah Didik Purwanto Dimas Herjuno Effendi, Moh. Zaenal Ehab Saif Ghith Ferly Isnomo Abdi Fithrotul Irda Amaliah Fithrotul Irda Amaliah Herlambang Setiadi Hermawan , Aditya Chandra Ilman, Sofyan M. Jacob Raglend Isaac Liu, Tian-Hua Lukita Wardani, Ayusta Mahendra Widiyartono Mahendra Widyartono Misbahul Munir Mohammad Imron Dwi Prasetyo Mubarok, Muhammad Syahril Muhammad Abdus Salam Muhammad Afnan Habibi Muhammad Farhan Rizky Muhammad Syahril Mubarok Muhammad Syahril Mubarok Muhammad Syahril Mubarok Muhammad Syahril Mubarok Nurlita, Ita Rahmadian, Reza Rahmatullah, Daeng Shidqy Aziz, As'ad TRI UMAROH, SUSI Umaroh, Susi Tri Vugar Hacimahmud Abdullayev WARJU Widi Aribowo Widiyartono, Mahendra Yanuar Rahman