RIO AFRIANDA - Academia.edu (original) (raw)

Papers by RIO AFRIANDA

SETRUM (Sistem-KEndali-Tenaga-elektRonika-telekomUnikasi-koMputer)/SETRUM (Sistem Kendali-Tenaga-Elektronika-Telekomunikasi-Komputer), Jun 1, 2024

Technium Social Sciences Journal

The Muara Karang steam power plant is one of the power plants in Indonesia which is managed by PT... more The Muara Karang steam power plant is one of the power plants in Indonesia which is managed by PT PLN Nusantara Power as a state-owned company. In carrying out its business, it has potential impacts on the environment, one of which is on biodiversity. The aim of this research is to analyze the potential of biodiversity resources by conserving critical land in the Organic Forest, Megamendung, Bogor, Indonesia. The method used is a natural forest model scenario including organic farming, reforestation, and sustainable organic farming in a natural rehabilitation process. Rehabilitation is carried out using an agroforestry system, intercropping between forestry and agricultural crops, and fertilization using manure. This planting was carried out by the community as a form of empowerment which succeeded in creating jobs as farmers and participating in managing the forest. As a start, 3,000 tree seeds and intercrops such as edamame, corn, cassava, and taro have been planted. The results o...

Al Qalam: Jurnal Ilmiah Keagamaan dan Kemasyarakatan

The purpose of the research is to analyze the influence of transformational leadership and strate... more The purpose of the research is to analyze the influence of transformational leadership and strategic organizational change management to organizational performance with organizational climate as mediating variable in the electricity state own Enterprises in Indonesia. This is a quantitative non-experiment research and using questionnaire with 1.429 respondents within divisions of PLN Head Quarter, and its subsidiaries and affiliates during October 2021 – January 2022. The analysis process is conducted by SPSS and LISREL. Research has found that transformational leadership style and strategic organizational change management, both separately and together have positive and significant influenceto organizational climatewith variable of strategic organizational change management has more dominant influence. Transformational leadership style, strategic organizational change management and organizational climate both separately and or together have a positive and significant influence to ...

Indikator: Jurnal Ilmiah Manajemen dan Bisnis

The purpose of this study is to confirm or refute whether companies are ready for the next indust... more The purpose of this study is to confirm or refute whether companies are ready for the next industrial revolution. Current market conditions show that businesses are still struggling to digitize their business through the integration of Internet of Things (IoT), artificial intelligence (AI), cloud technology, and advanced technologies. other. This study uses an approach that integrates human labor in collaboration with automated processes in the supply chain. The results of this study that analyzes and evaluates the impact of Industry 5.0 on entrepreneurs where Industry 4.0 Analysis provides results based on interviews with practicing sales representatives as well. It focuses on the business landscape and its aim is to identify existing gaps, opportunities and threats. This analysis also describes the best path to transformation in the next industrial revolution.

At the substation, the role of the 110V DC battery is very important. If a battery used to supply... more At the substation, the role of the 110V DC battery is very important. If a battery used to supply a DC voltage source to a protection or mechanical system does not work properly, the battery cannot supply DC to auxiliary equipment during an emergency. For that we need a discharging test to determine the capacity of the battery used so that it can know the ability of the battery to supply DC loads continuously at the substation. This research was conducted at the Bandung Cigereleng Substation with data taken from the emptying test results in 2017 and 2019. The results showed that in 2017, the battery capacity was 299.86 Ah with an efficiency of 94%. In 2019, the battery capacity will decrease to 253.92 Ah with an efficiency of 79.5%. That is, within a period of ± 2 years there has been a decrease in battery capacity by 45.94 Ah and efficiency by 14.5%.

Journal of Colloid and Interface Science, 2005

The effect of calcination temperature on the physico-chemical characterization of manganese nodul... more The effect of calcination temperature on the physico-chemical characterization of manganese nodule leached residue (MNLR) and water-washed manganese nodule leached residue (WMNLR) has been investigated on the basis of chemical analysis, XRD, TG-DTA, FTIR, surface hydroxyl groups, surface oxygen, reducing and oxidizing sites, surface area. XRD and IR confirm the presence of amorphous iron oxyhydroxides, delta-MnO2, which are converted to alpha-Fe2O3 and gamma-Mn2O3 phases above 400 degrees C of calcination, respectively. A solid solution of Fe2O3 and Mn2O3 is formed above 700 degrees C. The surface area, surface hydroxyl group, surface oxygen, reducing and oxidizing sites increase with the increase in calcination temperature up to 400 degrees C and then decrease with further rise in calcination temperature up to 700 degrees C. The catalytic activity of the sample towards H2O2 decomposition shows the similar trend as surface properties. A suitable Mn(3+)Mn4+ couple favours H2O2 decomposition reaction. The activity has been correlated with various physico-chemical properties.

Irrigation Science, 2016

drought than V. In conclusion, results showed that the Yara ZIM-probe can be used to continuously... more drought than V. In conclusion, results showed that the Yara ZIM-probe can be used to continuously monitor water status in Persimmon trees although further research would be needed to ensure their feasibility for scheduling irrigation.

SUTET, 2019

Audit Energi adalah tindakan pemeriksaan dan pengujian terhadap energi yang digunakan dalam suatu... more Audit Energi adalah tindakan pemeriksaan dan pengujian terhadap energi yang digunakan dalam suatu kegiatan untuk mendapatkan data pemakaian energi, sebagai bahan masukan dan saran berupa tindakan perbaikan dengan tujuan agar dapat dicapainya penggunaan energi secara efisien, dimana semaksimal mungkin output yang sama dapat diperoleh dengan menggunakan energi lebih sedikit, ataupun dengan mengurangi konsumsi dan kegiatan yang menggunakan energi. PLTU unit 5 PT. PJB Muara Karang yang telah beroperasi selama kurang lebih 35 tahun mengalami gap performance yang cukup signifikan terhadap commissioning (new and clean condition) sehingga diperlukan suatu upaya identifikasi untuk mempersempit gap performance tersebut. Kata kunci: PLTU, Commissioning, Audit Energy

ELKHA, 2022

Year after year, there has been a rise in use of electrical power. The industrial, home, commerci... more Year after year, there has been a rise in use of electrical power. The industrial, home, commercial, and public sectors accounted for 234,617.88 GWh of PLN's electrical energy sales in 2018. Meanwhile, the household, industrial, commercial, social sector, government office buildings, and public street lighting consumed 2,857.06 GWh of electrical energy in DKI Jakarta. The majority of the energy resources required by interconnected networks are fossil (coal). As a result, a future alternative to fossil fuels is required. Optimizing solar energy that may be employed in urban settings is one of the uses of renewable energy. The building sector consumes up to 40% of the total annual energy. By installing a renewable energy system on the roof of PT PJB Muara Karang power plant unit. The solar power plant energy potential on the roof of PT PJB UP Muara Karang administration building was simulated with HelioScope and using Quantitative Descriptive Method to maximize the rooftop area by...

Load unbalance in an electric power system often occur to meet consumer needs. Distribution of th... more Load unbalance in an electric power system often occur to meet consumer needs. Distribution of the load that was initially evenly will experience an unbalance when the burdens. As a result, current arises in the transformer neutral, current flowing in the transformer neutral causes losses, losses in the neutral conductor transformer and current flowing to the ground. Technically, if these losses occur continuously, it will be detrimental to PLN and can reduce transformer efficiency. For the supply of electricity to remain stable and continuity, it must be overcome

SETRUM (Sistem-KEndali-Tenaga-elektRonika-telekomUnikasi-koMputer)/SETRUM (Sistem Kendali-Tenaga-Elektronika-Telekomunikasi-Komputer), Jun 1, 2024

Technium Social Sciences Journal

The Muara Karang steam power plant is one of the power plants in Indonesia which is managed by PT... more The Muara Karang steam power plant is one of the power plants in Indonesia which is managed by PT PLN Nusantara Power as a state-owned company. In carrying out its business, it has potential impacts on the environment, one of which is on biodiversity. The aim of this research is to analyze the potential of biodiversity resources by conserving critical land in the Organic Forest, Megamendung, Bogor, Indonesia. The method used is a natural forest model scenario including organic farming, reforestation, and sustainable organic farming in a natural rehabilitation process. Rehabilitation is carried out using an agroforestry system, intercropping between forestry and agricultural crops, and fertilization using manure. This planting was carried out by the community as a form of empowerment which succeeded in creating jobs as farmers and participating in managing the forest. As a start, 3,000 tree seeds and intercrops such as edamame, corn, cassava, and taro have been planted. The results o...

Al Qalam: Jurnal Ilmiah Keagamaan dan Kemasyarakatan

The purpose of the research is to analyze the influence of transformational leadership and strate... more The purpose of the research is to analyze the influence of transformational leadership and strategic organizational change management to organizational performance with organizational climate as mediating variable in the electricity state own Enterprises in Indonesia. This is a quantitative non-experiment research and using questionnaire with 1.429 respondents within divisions of PLN Head Quarter, and its subsidiaries and affiliates during October 2021 – January 2022. The analysis process is conducted by SPSS and LISREL. Research has found that transformational leadership style and strategic organizational change management, both separately and together have positive and significant influenceto organizational climatewith variable of strategic organizational change management has more dominant influence. Transformational leadership style, strategic organizational change management and organizational climate both separately and or together have a positive and significant influence to ...

Indikator: Jurnal Ilmiah Manajemen dan Bisnis

The purpose of this study is to confirm or refute whether companies are ready for the next indust... more The purpose of this study is to confirm or refute whether companies are ready for the next industrial revolution. Current market conditions show that businesses are still struggling to digitize their business through the integration of Internet of Things (IoT), artificial intelligence (AI), cloud technology, and advanced technologies. other. This study uses an approach that integrates human labor in collaboration with automated processes in the supply chain. The results of this study that analyzes and evaluates the impact of Industry 5.0 on entrepreneurs where Industry 4.0 Analysis provides results based on interviews with practicing sales representatives as well. It focuses on the business landscape and its aim is to identify existing gaps, opportunities and threats. This analysis also describes the best path to transformation in the next industrial revolution.

At the substation, the role of the 110V DC battery is very important. If a battery used to supply... more At the substation, the role of the 110V DC battery is very important. If a battery used to supply a DC voltage source to a protection or mechanical system does not work properly, the battery cannot supply DC to auxiliary equipment during an emergency. For that we need a discharging test to determine the capacity of the battery used so that it can know the ability of the battery to supply DC loads continuously at the substation. This research was conducted at the Bandung Cigereleng Substation with data taken from the emptying test results in 2017 and 2019. The results showed that in 2017, the battery capacity was 299.86 Ah with an efficiency of 94%. In 2019, the battery capacity will decrease to 253.92 Ah with an efficiency of 79.5%. That is, within a period of ± 2 years there has been a decrease in battery capacity by 45.94 Ah and efficiency by 14.5%.

Journal of Colloid and Interface Science, 2005

The effect of calcination temperature on the physico-chemical characterization of manganese nodul... more The effect of calcination temperature on the physico-chemical characterization of manganese nodule leached residue (MNLR) and water-washed manganese nodule leached residue (WMNLR) has been investigated on the basis of chemical analysis, XRD, TG-DTA, FTIR, surface hydroxyl groups, surface oxygen, reducing and oxidizing sites, surface area. XRD and IR confirm the presence of amorphous iron oxyhydroxides, delta-MnO2, which are converted to alpha-Fe2O3 and gamma-Mn2O3 phases above 400 degrees C of calcination, respectively. A solid solution of Fe2O3 and Mn2O3 is formed above 700 degrees C. The surface area, surface hydroxyl group, surface oxygen, reducing and oxidizing sites increase with the increase in calcination temperature up to 400 degrees C and then decrease with further rise in calcination temperature up to 700 degrees C. The catalytic activity of the sample towards H2O2 decomposition shows the similar trend as surface properties. A suitable Mn(3+)Mn4+ couple favours H2O2 decomposition reaction. The activity has been correlated with various physico-chemical properties.

Irrigation Science, 2016

drought than V. In conclusion, results showed that the Yara ZIM-probe can be used to continuously... more drought than V. In conclusion, results showed that the Yara ZIM-probe can be used to continuously monitor water status in Persimmon trees although further research would be needed to ensure their feasibility for scheduling irrigation.

SUTET, 2019

Audit Energi adalah tindakan pemeriksaan dan pengujian terhadap energi yang digunakan dalam suatu... more Audit Energi adalah tindakan pemeriksaan dan pengujian terhadap energi yang digunakan dalam suatu kegiatan untuk mendapatkan data pemakaian energi, sebagai bahan masukan dan saran berupa tindakan perbaikan dengan tujuan agar dapat dicapainya penggunaan energi secara efisien, dimana semaksimal mungkin output yang sama dapat diperoleh dengan menggunakan energi lebih sedikit, ataupun dengan mengurangi konsumsi dan kegiatan yang menggunakan energi. PLTU unit 5 PT. PJB Muara Karang yang telah beroperasi selama kurang lebih 35 tahun mengalami gap performance yang cukup signifikan terhadap commissioning (new and clean condition) sehingga diperlukan suatu upaya identifikasi untuk mempersempit gap performance tersebut. Kata kunci: PLTU, Commissioning, Audit Energy

ELKHA, 2022

Year after year, there has been a rise in use of electrical power. The industrial, home, commerci... more Year after year, there has been a rise in use of electrical power. The industrial, home, commercial, and public sectors accounted for 234,617.88 GWh of PLN's electrical energy sales in 2018. Meanwhile, the household, industrial, commercial, social sector, government office buildings, and public street lighting consumed 2,857.06 GWh of electrical energy in DKI Jakarta. The majority of the energy resources required by interconnected networks are fossil (coal). As a result, a future alternative to fossil fuels is required. Optimizing solar energy that may be employed in urban settings is one of the uses of renewable energy. The building sector consumes up to 40% of the total annual energy. By installing a renewable energy system on the roof of PT PJB Muara Karang power plant unit. The solar power plant energy potential on the roof of PT PJB UP Muara Karang administration building was simulated with HelioScope and using Quantitative Descriptive Method to maximize the rooftop area by...

Load unbalance in an electric power system often occur to meet consumer needs. Distribution of th... more Load unbalance in an electric power system often occur to meet consumer needs. Distribution of the load that was initially evenly will experience an unbalance when the burdens. As a result, current arises in the transformer neutral, current flowing in the transformer neutral causes losses, losses in the neutral conductor transformer and current flowing to the ground. Technically, if these losses occur continuously, it will be detrimental to PLN and can reduce transformer efficiency. For the supply of electricity to remain stable and continuity, it must be overcome