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All Journal Jurnal Teknik ITS Elsains : Jurnal Elektro JAVA Journal of Electrical and Electronics Engineering International Journal of Industrial Optimization (IJIO) JAREE (Journal on Advanced Research in Electrical Engineering) Jurnal Fortech SinarFe7 Sewagati Jurnal FORTECH
Sjamsjul Anam
Institut Teknologi Sepuluh Nopember
Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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Efek Penambahan SCES Pada Sistem Multimesin dengan Damping dan Kontroler Berdasarkan Metode Critical Trajectory Priyadi, Ardyono; Iyyaya Fariha, Nazila; Puspita Sari, Talitha; Lystianingrum, Vita; Pujiantara, Margo; Anam, Sjamsjul
Jurnal FORTECH Vol. 1 No. 2 (2020): jurnal FORTECH
Publisher : FORTEI (Forum Pendidikan Tinggi Teknik Elektro Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/fortech.v1i2.228

Abstract

The system can maintain its synchronization under a transient condition. The transient stability system can be evaluated using the critical trajectory method by calculating the Critical Clearing Time (CCT). The advantage of using a critical trajectory method is that the CCT can be found directly and more accurate than the time domain simulation method. This paper proposed the addition of Supercapacitor Energy Storage (SCES) and damping to enhance the transient stability on multi machine system. SCES is an electrical energy storage device that quickly stores and supplies large amounts of electricity, while damper winding damp the oscillations during unstable steady state conditions. Within the addition of SCES and damping in the system, the stability will last longer than before. The stability system is seen by the extended CCT. Furthermore, multi-machine to infinite bus used to validate the proposed method. The test system also includes the Automatic Voltage Regulator (AVR) and the governor
A smart city infrastructure implementation framework – insights from smart street lighting implementation optimization Anityasari, Maria; Amrizal, Rizki; Widodo, Erwin; Anam, Sjamsjul; Chew, Boon Cheong
International Journal of Industrial Optimization Vol. 6 No. 2 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijio.v6i2.13307

Abstract

In recent years, the concept of smart cities and infrastructure has gained momentum as a solution to challenges such as population growth, resource management, and environmental sustainability. Rapid urbanization in many developing countries highlights the need for efficient infrastructure planning and management. This framework offers a structured approach for decision-making and resource allocation, enabling prioritization of investments to maximize limited resources while supporting development goals. The framework is tested through an analysis of the Smart Street Lighting Systems (SSLS) in Surabaya, Indonesia, addressing the city's intention to upgrade street lighting to reduce maintenance costs and energy consumption. Currently, the street lighting system faces issues including a high rate of broken or damaged lights and inefficiencies in handling complaints. However, limited funding and varied regional needs constrain any comprehensive upgrade. The proposed framework integrates the Analytical Hierarchy Process (AHP) to prioritize regions as weighting inputs, Mixed Integer Goal Programming (MIGP) to optimize the distribution of SSLS and conventional LED lighting across regions, and Cost-Benefit Analysis (CBA) to evaluate financial feasibility. Results recommend purchasing 11,915 new SSLS units with region-specific distributions, achieving a financially viable Benefit-Cost Ratio (BCR) of 2.059. These findings demonstrate practical implementation of smart city principles, balancing cost-efficiency, service performance, and stakeholder priorities. Policymakers can use this framework to maximize impact within budget constraints. This framework serves as a viable template for other regions and countries embarking on smart city infrastructure implementation.
Co-Authors Achmad Marzuki Ahmad Zakaria Hizbullah Aldo Pradipta Bismaka Amrizal, Rizki Anak Agung Istri Sri Wiadnyani Andri Pradipta Aqsa Izza Mahendra, Rafin Ardyono Priyadi Bismaka, Aldo Pradipta Boon Cheong Chew, Boon Cheong Dedet Candra Riawan Erwin Widodo Feby Agung Pamuji Ferdinand Rico Firaldi Gusti Rinaldi Zulkarnain Hadyan Perdana Putra Harris Harris Heri Suryoatmojo Ichsan Nur Khoirudin Imam Robandi Iyyaya Fariha, Nazila Lystianingrum, Vita Margo Pujiantara Maria Anityasari Moch. Irsad Taufiqi Mochamad Ashari Mohammad Ridwan Mukhamad Subkhi Nanda Redha Arsya Nazila Iyyaya Fariha Nazila Iyyaya Fariha Novie Elok Setiawati Ontoseno Penangsang Pradipta, Andri Pujiantara, Margo Puspita Sari, Talitha Rafin Aqsa Izza Mahendra Rafin Aqsa Izza Mahendra Reyna Safilla Yusnianti Risqiya Maulana Rizqi Aditya Pradana Rony Seto Wibowo Soedibyo Soedibyo Soedibyo Soedibyo Sudibyo Sudibyo Syarifuddin Mahmudsyah Talitha Puspita Sari Talitha Puspita Sari Talitha Puspita Sari Talitha Puspita Sari Tegar Subekti Vita Lystianingrum Wahyu Ardi Santosa Yoyok Triyono