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All Journal Rotasi TRANSIENT: Jurnal Ilmiah Teknik Elektro Jurnal Ilmu Dakwah International Journal of Renewable Energy Development Jurnal Ekonomi dan Bisnis
Nur Cahyo
Jurusan Teknik Elektro, Universitas Diponegoro Semarang Jl. Prof. Sudharto, SH, kampus UNDIP Tembalang , Semarang 50275, Indonesia
Religion Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Mechanical Engineering Social Sciences

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Journal : Rotasi

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Application of Power Plant 4.0: Process Digitalization and Challenges Paryanto, Paryanto; Munyensanga, Patrick; Indrawan, Harry; Cahyo, Nur
ROTASI Vol 22, No 1 (2020): VOLUME 22, NOMOR 1, JANUARI 2020
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (365.015 KB) | DOI: 10.14710/rotasi.22.1.55-61

Abstract

Most power plant process control concern on optimizing the power generation, reduce unplanned shutdown and reduce inventory cost. These challenges can be solved by implementing newly technology called Industry 4.0, which integrates the industrial internet of things (IIoT) and the cyber-enhanced systems as well as cloud computing. This paper presents a prototype system loop as an example of the power generation network to measure the rotating speed, number of turn and the frequency of vibration for the rotating device, humidity & temperature of the physical cooler or heater device within the plant in order to explain the interoperability principle of Industry 4.0 through the implementation of Power Plant 4.0. Base on the test results then used as a basis for identifying the challenges that will arise and the solution to implement Power Plant 4.0 with effectively and efficiently.
Transformasi Digital di Pembangkit Listrik di Indonesia: Kajian dari Sisi SDM dan Teknologi Paryanto, P; Indrawan, Harry; Cahyo, Nur; Aisyah, Siti; Suprihanto, Agus; Sulardjaka, S
ROTASI Vol 23, No 2 (2021): VOLUME 23, NOMOR 2, APRIL 2021
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.23.2.%p

Abstract

In 2021, several power plants in Indonesia have been started a digital transformation to increase efficiency and reduce operating costs. Therefore, in order to accelerate and ensure the sustainability of the transformation, it is necessary to analysis the readiness of human capital and its technology/systems. In this research, methods that are used are: survey, discussion, and verification of several power plants in Indonesia regarding their readiness and conditions. The result of the study shows that its need to increase digital competencies and open mindset of existing employees at the power plant, both at operator and management level. The digital transformation of Indonesian power plants requires an upskilling program for the employee, which is needed to create appropriate digital innovation and accelerate the digitization project. Otherwise, in terms of technology, it needs to increase cybersecurity, useability, and interoperability of the digital technologies. Although cyber security in power plants is sufficient, it needs to standardize the OT/IT connection.   
Characterization of Bed Agglomeration in Circulating Fluidized Bed Boilers: Influence of Coal Quality and Bed Material Interactions Cahyo, Nur; Triasdian, Yayak; Busairi, Achmad; Rahmanta, Mujammil Asdhiyoga; Paryanto, Paryanto; Fajar TK, Berkah
ROTASI Vol 27, No 3 (2025): VOLUME 27, NOMOR 3, OKTOBER 2025
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.27.3.22-29

Abstract

The utilization of coal in generating energy across the world is extremely popular due to its low cost. Otherwise, coal quality plays a significant role in other potential problems. Such an interaction between bed material and coal properties could lead to the formation of bed agglomeration, which melts in the CFB boiler of a power plant. The result shows that the majority of agglomeration samples were granular and dominated by round shapes, as observed visually. The EDX analysis shows that the three biggest elements in the agglomeration sample are oxygen, silica, and calcium. Meanwhile, XRD analysis reveals that the most reactive products were muscovite, albite, and dolomite compounds. They were composed of natrium in the range of 1.95–2.84%, silicon in the range of 20.2–21.16%, aluminium in the range of 13.05–15.46%, calcium in the range of 1.05–3.11%, and others. Therefore, several potential alternatives might be the best way to reduce the risk of agglomeration in a boiler. Including using additives like china clay and soils, especially those containing kaolin, and utilizing alternate bed materials. Another promising option to prevent this problem is to reduce the combustion temperature and replace bed material periodically.
Co-Authors Agus Suprihanto Ajub Ajulian Zahra Macrina Berkah Fajar TK Busairi, Achmad Desy Sulistyowati, Desy Felani, Muhamad Iqbal Hariana, Hariana Indrawan, Harry Moh Jazuli, Moh Mufida, Imroatun Munyensanga, Patrick Nisa’, Ana Fitroyun Paryanto Paryanto Paryanto, P Prismantoko, Adi Rahmanta, Mujammil Asdhiyoga Siti Aisyah Siti Zubaidah Soleh, Mochamad Sukiswo Sukiswo Sulardjaka, S Triasdian, Yayak Yulianti, Eka Nova