This study discusses the comparison of the breakdown voltage values of sunflower seed oil before and after being added with Ascorbic Acid and Tertiary Butyl Hydroquinone (TBHQ) to obtain a filler composition with maximum breakdown voltage strength. Tests were carried out on sunflower seed oil samples with the addition of antioxidants Ascorbic Acid (C₆H₈O₆) and Tertiary Butyl Hydroquinone …
Penelitian ini bertujuan untuk mengevaluasi sistem kelistrikan pada Gedung Dekanat Fakultas Teknik Universitas Sriwijaya Kampus Inderalaya berdasarkan Standar Nasional Indonesia (SNI) dan Persyaratan Umum Instalasi Listrik (PUIL). Evaluasi dilakukan terhadap tiga aspek utama, yaitu intensitas pencahayaan, kapasitas pendingin udara (AC), serta instalasi daya dan proteksi listrik. Metode peneliti…
Sistem isolasi sangat diperlukan pada peralatan tegangan tinggi untuk membatasi bagian-bagian yang bertegangan agar tidak terjadi hubungan singkat satu dengan yang lain sehingga tidak terjadi kegagalan isolasi. Kegagalan isolasi pada peralatan tegangan tinggi dapat terjadi pada saat peralatan sedang beroperasi yang bisa menyebabkan kerusakan alat sehingga kontinuitas sistem menjadi terganggu. B…
Electrical power transmission networks are always equipped with distance relays as a protection system to avoid various disturbances. Distance relay works by dividing its handling area into three zones. For areas outside the zone one, distance relay works with a time delay.The existence of a delay causes disturbance handlers to be longer. Therefore, in this research the author carried out tests…
Increasing human populations are a factor for increasing electric needer. Country electric company (PT.PLN Persero) is a company that has authority for handling electric sistem in Indonesia. PT. PLN (Persero) have power plant and load center. Power Plant have very long distance with load center. Because of that, the research is conducted by analyzing power losses and drop voltage that determine…
The use of electrical energy with fossil fuels is increasing, therefore a renewable energy is needed. One of them is PLTS which uses sunlight as its source. One of the PLTS in the city of Palembang is the 2 MW Jakabaring PLTS which has been operating for 5 years. The Jakabaring 2 MW PLTS process requires an evaluation of the operating system which is affected by solar radiation, panel temperatu…
Energi Surya merupakan sumber energi yang tidak terbatas dan tidak akan pernah habis ketersediannya dan energi ini juga dapat di manfaatkan sebagai energi alternatif yang akan di ubah menjadi energi listrik dengan menggunakan sel surya. Panel surya sebagai sumber energi listrik alternatif dapat dimanfaatkan oleh masyarakat yang memerlukan energi listrik. Panel surya jenis polikristaline ini dis…
The stability or stability of an electric power system is the ability to maintain the electrical system or its components in a stable state. PT. Pertamina Refinery Unit III in the process of providing electricity is carried out independently to minimize unavoidable disturbances such as blackouts that can cause losses to PT. Pertamina Refinery Unit III itself. This final project was made with th…
Electrical energy is a critical requirement for human life, both in industry and in everyday life settings such as homes. A field analysis can be used to save electrical energy by determining whether or not electrical energy is efficient. We can discover and implement energy savings through an energy audit if efficiency is increased. As a result, these data can be used to generate recommendatio…
At present the community's need for electrical energy consumption increases from year to year at the Boom Baru Substation, so that the electric power system must be able to guarantee in terms of availability and quality of service. One form of transformer disturbance that often occurs in substations is NGR. Neutral Grounding Resistor (NGR) which is one of the grounding systems that functions as…
Electrical energy is absolutely necessary for the operation of a building, due to the large number of equipment that requires electric power as a driving force. In addition to providing benefits, electrical energy also has potential hazards to safety and can harm humans. One way to avoid unwanted events, in planning the electricity installation must meet the provisions of applicable standards. …
The electricity industry in Indonesia is an important sector for the whole society. System reliability index is one of the things that need attention. Therefore, this study analyzes the reliability of the 20 KV system at the Kacer Feeder Seduduk Putih Substation using calculation of SAIFI, SAIDI, CAIDI, ASAI, and ASUI index obtained from using Failure Modes And Effect Analysis method, where the…
Total intervertebral disc replacement using prosthesis is one of treatments for degenerative intervertebral disc. This prosthesis must accommodate loads from the lumbar spine. This research performed an analysis of stress, strain, and displacement distribution of a ProDisc-L® prosthesis developed by Centinel Spine® installed on an L4-L5 segment of lumbar spine model of a 21 years old man. The…
The activity of using electricity will continue to increase, this is related to the level of development and the increasing number of residents in an area or region. One of the efforts made in meeting these needs is to maintain the quality of the electricity distribution process so that it remains good. In the electricity distribution system, the amount of voltage and electrical power that is d…
As time goes by, electrical energy will be increasingly needed in people’s lives. It’s because almost all human activities use electrical energy, especially in today’s modern times which can not be separated from technology in any activity. Therefore, PT PLN (Persero) as the manager of electrical energy makes various efforts to fulfill the electricity demands in Indonesia, one of them is …
The reliability of the distribution system is the success rate of performance of an electric power system in the service of electricity supply for consumers. The final task was created to analyze the reliability of a 20 kV distribution system using the reliability index assessment method. The calculation of the reliability index in the form of reliability index values, namely SAIFI, MAIFI, SAID…
Dalam suatu sistem tenaga listrik ketidakseimbangan pasti akan terjadi. Ketidakseimbangan beban pada transformator distribusi terjadi karena adanya perbedaan waktu pemakaian oleh pelanggan dan pemasangan beban yang tidak merata pada setiap fasanya. Akibat ketidakseimbangan beban menyebabkan munculnya arus pada fasa netral yang menyebabkan rugi-rugi daya. Munculnya rugi-rugi daya akan berimbas p…
This study discusses increasing Zero Down Time for the Jakabaring Sport City area which was initially only supplied from one transformer to two different transformers to supply a loop network system in the Jakabaring Sport City area which will be simulated using ETAP 19.0 software. Zero Down Time is the reconfiguration of the spindle network into a loop network. The protection system used is a …
Electricity is one of the main needs that is indispensable in everyday life, whether at home, school, college, or industry. In the use of electricity, it is usually not known how much electricity has been used so that it tends to waste electrical energy. Therefore, an effort is needed to measure the use of electricity to find out how much electricity is used so that its use is more effective an…
The development of the current era has led to an increase in people's needs for electrical energy consumption. So that an electric power system must be able to guarantee in terms of availability and have good reliability. The level of reliability of an electric power system can be seen from the size of the SAIFI (System Average Interruption Frequency Index), SAIDI (System Average Interruption D…
The electric power system used in Indonesia is basically interconnected with each other. The interconnection system is an electric power system consisting of several electrical energy centers and substations which are connected through transmission lines and serve the existing loads on all substations. Distribution can also be called power flow. In this final project, Matrix Laboratory software…
Teknologi saat ini sudah berkembang pesat, sudah diciptakan alat yang bisa menampung fluida bertekanan tinggi. Tangki tidak hanya menjadi tempat penyimpanan produk tetapi juga menjaga ketersediaan produk serta dapat menjaga produk atau bahan baku dari kontaminan. Proses pemilihan bahan material akan sangat berpengaruh pada desain Tangki Atap Kerucut, dengan pemilihan baja ASTM A283 dan bantuan …
Along with the increase in population, the need for electricity also increases, this is because electricity is needed by the community. With the increasing demand for electricity, it can cause an imbalance in the electrical load, the load imbalance that occurs in each phase is what causes current to flow in the neutral conductor, when that happens, losses will appear. In this study, the distrib…
With the increase in vehicle mobility, problems with parking areas arise such as congestion, crime, and illegal parking. So, a solution is needed regarding the existence of a parking lot and the facilities in it to make it easier for parking lot users to get a parking position quickly, thereby increasing the level of efficiency when placing a parking position. This study designs a tool that is …
In distributing a voltage of 20 kV from the main substation to the substation which will then be lowered back through the distribution substation until it reaches the consumer, it usually having a voltage drop problem. There are several factors that cause voltage drop, start from a long distances, cable cross-sectional area, and the amount of current (load) flowing in the conductor. If this vol…
The purpose of carrying out Load shedding is so that the electrical power supplied from the generator to the load is maintained in a safe condition and the generation system can run normally so that it does not experience a total blackout. Therefore, Load shedding is done to correct the unstable frequency. This problem is the reason I made a final project with the topic PLC-Based Load shedding …
The need for electrical energy consumption is getting bigger every year due to population growth. This needs to be accompanied by the availability of sufficient electrical energy in order to meet consumer needs. One of the efforts made to meet these needs is the process of distributing electrical energy. In an electrical distribution system, the amount of supplied voltage and electrical power i…
Electric power is very useful both in meeting household needs or the needs of the industrial world. Electricity needs in the city of Palembang are supplied by several substations (GIs), such as GI Seduduk Putih, GI Keramasan and so on. At each substation through a power transformer that will serve the feeder. One of the problems that exist in the substation, namely in one of the feeders of the …
One of the problems that arise in the distribution of electric power is that the amount of voltage supplied from the sending system is never the same as the voltage delivered to the receiving side (consumer). At each substation, the electric power system has several different feeders with the characteristics of each feeder. However, it is possible that there are feeders with similar characteris…