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All Journal Bulletin of Electrical Engineering and Informatics Journal of Renewable Energy, Electrical, and Computer Engineering Formosa Journal of Applied Sciences (FJAS) Control Systems and Optimization Letters
Mohammad, Ashif
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Aerospace Engineering Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Social Sciences

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Secure and efficient elliptic curve-based certificate-less authentication scheme for solar-based smart grids Bari Shovon, Reduanul; Mohammad, Ashif; Das, Rimi; Hossain, Tuhin; Ahasun Habib Ratul, Md; Kundu, Ronjon; Ahsan Arif, Md.
Bulletin of Electrical Engineering and Informatics Vol 14, No 3: June 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i3.8830

Abstract

Solar-based smart grids have emerged as a transformative force, encapsulating a paradigm shift towards decentralized and sustainable power generation. However, this evolution is accompanied by growing concern-authentication challenges that pose a substantial threat to solar-based smart grids' security. Existing work done by researchers reveals a gap in addressing these authentication issues, resulting in vulnerabilities that compromise the overall security and performance of solar enabled smart grid infrastructures. In response to these concerns, this paper suggests a novel certificate-less authentication scheme designed explicitly for solar-based smart grids. Our technique, which uses elliptic curve (EC) encryption, mitigates authentication problems and navigates the resource limits inherent in a smart grid environment. The security evaluation also shows that our mechanism security is higher in terms of the security attributes it delivers. Supported by a Scyther-based protocol specification, our solution undergoes a rigorous security analysis, demonstrating its robustness and effectiveness in critical security attributes. Furthermore, a performance evaluation underscores the efficiency of our scheme, positioning it as a robust, and effective solution for fortifying solar-based smart grid environments against evolving cyber threats.
The Influence of Hot Point on MTU CB Condition at the Pgeli-Giugur 1 Bay Line (PT. PLN Paya Geli Substation) Maizana, Dina; Situmorang, Cando; Satria, Habib; Yahya, Yanawati Binti; Ayyoub, Muhammad; Bhalerao, Manoj V.; Mohammad, Ashif
Journal of Renewable Energy, Electrical, and Computer Engineering Vol. 3 No. 2 (2023): September 2023
Publisher : Institute for Research and Community Service (LPPM), Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v3i2.10600

Abstract

Local heating that occurs in substation equipment is caused by the current flowing in the conductor due to resistance. The parts that often experience heating are the terminals and connections at the substation, especially between two different metals, as well as the conductor cross-section which decreases due to corrosion. So that part must be considered. As for how to control or check the temperature is done by using thermovision. The heat temperature of the Circuit Breaker (CB) equipment at the Bay line PGELI-GIUGUR1 at Paya GeIi Substation is still in normal conditions where the temperature ranges from 20oC-43oC. But one phase need attention if temperature more than 70oC, it is needed for improvement plans. The temperature difference between the phases of the CB equipment at Bay Iine P. GELI-GLUGUR 1 at Paya Geli Substation has reached condition 5 (five), so it needs serious attention and a repair plan, to avoid short circuits between phases (R, S, T).
Analysis of Different Control Approaches for a Local Microgrid: A Comparative Study Haque, Abrarul; Kholilullah, Ibrahim; Sharma, Anik; Mohammad, Ashif; Khan, Saidul Islam
Control Systems and Optimization Letters Vol 2, No 1 (2024)
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/csol.v2i1.88

Abstract

An analysis that contrasts various methods for managing a microgrid's operations in a community context is known as comparison research on control strategies for community microgrids. The study's objectives are to evaluate the benefits and drawbacks of various control schemes and to pinpoint the best approach for enhancing the microgrid's performance. Control methods include islanded mode control, hybrid mode control, grid-connected mode control, and advanced control strategies that combine economic dispatch with optimum power flow are usually compared in the research. A comparison is established. Depending on elements including resilience, cost-effectiveness, efficiency, stability and dependability. The comparative study's findings shed light on the optimal control approach for a particular community microgrid taking into account the resources that are available, the local energy consumption, and other variables. This review also emphasizes the advantages of using advanced control systems, these systems maximize energy management, maintain grid stability, and improve overall system performance by controlling the intricate interactions among distributed energy resources (DERs), such as solar photovoltaics, wind turbines, energy storage, and conventional generators. Energy efficiency will be increase in rural locations with high solar radiation and limited wind power by using advanced methods and grid-connected mode management. Demand response reduces dependency on external grids and associated expenses while improving resilience. Customized control strategies are essential for maximizing community microgrid performance. There includes discussion of a number of control systems, including distributed control, grid-forming control, energy management and optimization, frequency and voltage regulation, islanded operation, and demand response.
Viability of Medium-Scale Vermicompost Plant: a Case Study in Kushtia, Bangladesh Ibrahim, Abu Shahadat Md.; Mohammad, Ashif; Khalil, Md. Ibrahim; Shams, S. M Nasif
Formosa Journal of Applied Sciences Vol. 3 No. 3 (2024): March 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjas.v3i2.8160

Abstract

In Bangladesh, vermicomposting has been a popular environmentally friendly composting technique, primarily at small-scale levels. However, few studies have explored the feasibility of medium to large-scale operations. This study establishes a medium-scale vermicompost fertilizer plant in Kushtia, Bangladesh, processing 30 tons of waste monthly to produce 10 tons of fertilizer. Utilizing cow dung from nearby dairy farms and 0.1 million red worms (Eisenia foetida), the experiment runs for three cycles of 120 days each without indoor environmental controls. Over a year, the worm population quadruples to over 0.4 million. Lab tests confirm the fertilizer's pH level (7.69) and nutrient ratios (e.g., 1.792% nitrogen, 0.5217% phosphorus, and 1.514% potassium). The paper includes a cost-benefit analysis, suggesting the viability of such medium-scale setups for green farming in rural Bangladesh.
Fruit Waste Management through Vermicomposting: the Case of PRAN, Bangladesh Ibrahim, Abu Shahadat Md; Mohammad, Ashif; Nuruzzamal, Md; Shams, S. M Nasif
Formosa Journal of Applied Sciences Vol. 3 No. 3 (2024): March 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjas.v3i3.8178

Abstract

PRAN, situated in Natore, Bangladesh, operates a sizable fruit processing facility. This facility processes approximately two hundred seasonal foods and fruit varieties, generating substantial organic waste. The overarching goal is to establish an organic food chain for both the national and international markets, thereby contributing to the mitigation of Bangladesh's emerging energy and fertilizer crisis. The vermicomposting method was employed, and the experiment was conducted on a miniature scale over 90 days. A dedicated setup was constructed to yield three metric tons of monthly fertilizer. Upon completion of the experiment, the output fertilizer underwent rigorous testing in the laboratory. The results indicated that the component ratios were well-suited for application in agricultural lands. This research marks a significant step towards sustainable waste management and the development of a valuable resource for the agricultural sector in the region.
Co-Authors Ahasun Habib Ratul, Md Ahsan Arif, Md. Ayyoub, Muhammad Bari Shovon, Reduanul Bhalerao, Manoj V. Das, Rimi Dina Maizana Habib Satria Haque, Abrarul Hossain, Tuhin Ibrahim, Abu Shahadat Md Ibrahim, Abu Shahadat Md. Khalil, Md. Ibrahim Khan, Saidul Islam Kholilullah, Ibrahim Kundu, Ronjon Nuruzzamal, Md Shams, S. M Nasif Sharma, Anik Situmorang, Cando Yahya, Yanawati Binti