Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering)

Optimization of 4G LTE Network with Automatic Cell Planning and Carrier Aggregation Methods

Sutoyo Sutoyo, Teddy Purnamirza, Mulyono Mulyono, Ahmad Faizal — Mon, 29 Apr 2024 00:00:00 +0000

The implementation of 4G LTE in Indonesia still faces numerous challenges, particularly in terms of coverage areas that are less than optimal, causing many areas to be classified as bad spots. One of them is Koto Baru Payobasung area, Payakumbuh. Network optimization is one method for overcoming this problem. In this study, we will use optimization techniques such as Automatic Cell Planning (ACP) and Carrier Aggregation (CA) with RSRP, SINR, and Throughput parameters. Through existing simulations, the results of the initial research revealed that two of the three parameters, namely RSRP and Throughput, were classified as very bad conditions. Based on the results of optimization using the ACP technique, it was discovered that there was an increase in the RSRP value of = -103 dBm, SINR of = 2 dB, and Throughput = 15 mbps. The RSRP value for the CA technique is -90 dBm, the SINR is 7 dB, and the throughput is 50 mbps. Because of the value of the optimization parameter results, the CA technique is more effective than the ACP technique in these two optimization techniques

Design of Automatic Power Factor Correction for Optimization of Electric Energy Consumption

Restu Mukti Utomo, Adi Pandu Wirawan, Wisnu Candra Margono, Nur Rani Alham — Mon, 29 Apr 2024 00:00:00 +0000

Electrical energy is a major human need which, when viewed from its main source, namely fossil energy, will increasingly run out. There needs to be an effort to utilize electrical energy more optimally. The problem discussed in this research is the decline in power factor. The State Electricity Company (PLN) has a minimum power factor standard of above 0.85 which is found in the SPLN 70-1 regulation and PERMEN ESDM No. 09 of 2011. If the power factor is below the minimum limit, it will result in losses, because consumers have to pay for excess kilo Volt Ampere Reactive hours (kVARh). Power factor drops are caused by the use of inductive loads. With automatic power factor correction, the poor power factor from the use of inductive loads will be resolved and optimization of the use of electrical energy can be achieved. From the test results conducted using 3 cumulative loads, the worst power factor value was obtained before PF repair was carried out by the system, namely 0.38 and after PF repair by the best power factor system reached 0.99 and obtained the value of active power and apparent power after PF repair is almost the same (comparable) and it can be said that the optimization of electrical energy occurs in this study.

Feasibility Analysis of the Implementation of a Photovoltaic Water Cooling System

Riyani Prima Dewi, Saepul Rahmat — Mon, 29 Apr 2024 00:00:00 +0000

This research examines the impact of implementing a cooling system on PV panels, utilizing a water flow controller, with the aim of enhancing efficiency and augmenting power generation. The cooling system was affixed to pre-existing 200W monocrystalline photovoltaic panels. The controller effectively regulates the temperature of the photovoltaic (PV) panel at a constant value of 30�C by employing a water-cooling system. This system utilizes PVC-tube that are strategically positioned on the surface of the panel. The cooling control system is programmed to operate according to a predetermined schedule. The experimentation involved the implementation of a cooling system during PV testing, with the inclusion of non-cooled PV panels for the purpose of comparison. The analysis examines the impact of temperature on the output power of a photovoltaic system, taking into account losses from the cooling system. In conclusion, an assessment was conducted on the comprehensive utilization of a water-cooling system for PV panels. The experimental findings indicate that the PV output power exhibited a 7.8% increase when the cooling system was employed as compared to the PV system without cooling. Incorporating the computation of system losses results in a net increase of 5.9% in the output power of the photovoltaic system.

Analysis of System Operation Optimization In Steam Power Plants with the Lagrange Method

Mon, 29 Apr 2024 00:00:00 +0000

Steam Power Plant (PLTU) is a plant that relies on kinetic energy from hot steam to produce electrical energy. At the Paiton Power Plant, thermal energy is generated from burning a certain amount of coal. The use of coal-fired power plants still dominates most of the world's electricity supply. The optimal operation of electric power systems has grown in importance in recent years due to ever-increasing fuel costs. An electric power system basically consists of power generation units that aim to serve the needs of the load. Total production costs can be minimized by a combination of power loading on existing generating units so that an optimal load or more is obtained. This optimization process is called Economic Dispatch. Economic Dispatch has conducted a lot of research using various optimization methods. In this study, the optimization method to be used is the Lagrange method. Firefly algorithm and genetic algorithm methods are also used as performance comparisons. The results of this study show that the lagrange method can optimize generation costs with a difference of 243,227,475 $ / hour or 7,043% of the actual cost. While the firefly algorithm gets a difference of 243,227,471 $ / hour or 7.043% of the actual cost. And the genetic algorithm gets a cost difference of 242,119,792 $ / hour or 7,011% of the actual cost.

The Solar Tracker Prototype Based on Arduino Uno

Setiyono Setiyono, Kunto Wibowo — Mon, 29 Apr 2024 00:00:00 +0000

The placement of solar panels to capture solar energy is generally installed in a certain and fixed position (static). The dynamic change in the sun's position from east to west at any time means that the solar panels absorb less energy. So, installing an automatic driving device on the solar panel to adjust its perpendicular position to the sun's rays is very necessary. This Solar Tracker tool has 4 light sensors that function to identify the intensity of sunlight as a signal entered by the Arduino Uno microcontroller. This information is then processed to become a signal to drive horizontal and vertical servo motors. The shaft of this motor is connected to the mechanical circuit of the solar panel via a gearbox to carry out movement. A comparator will compare sunlight information and a reference voltage to control the rotation of the servo motor which can determine the time needed for the motor to rotate or stop. The research results on solar panels using a tracker were that the best voltage and current values were obtained between 12.00 – 13.00 WIB with an average voltage value of 11.45 V and an average current value of 0.49A.

Motion Control of 5-Degree of Freedom Humanoid Robot Arm System Using Fuzzy Logic Algorithm

Mon, 29 Apr 2024 00:00:00 +0000

Humanoid robots are the evidence of the rapid advancement of technology in robotics. One of their applications is replacing humans in certain tasks, such as moving goods. For this type of activity, humanoid robots need arms; however, their arm system is not effective enough because of the material used. Thus, this study proposes the use of filament as the material of frames in robot arms. A 5-degree of freedom (DoF) robot arm system was implemented, and the motor worked as the driving force. The movement of this robotic arm was based on proximity and camera sensor readings. Then, the movement control used fuzzy logic with the Sugeno method. During experimental testing, the humanoid robot arm could grip and move objects from one place to another at varying times according to the object type. The length of time obtained depends on the reading of the proximity sensor on the gripper. In another experiment, the humanoid robot arm could shake hands with humans in real time within 36 sec. In conclusion, the results verified the effectiveness of the proposed fuzzy logic controller with the Sugeno method.

Design of Dipole Antenna at 433 Mhz ISM Band for Underwater to Land Communication

Mon, 29 Apr 2024 00:00:00 +0000

In this research has been designed dipole antenna which is intended for communication underwater to land that worked and implemented into prototype form. Design using the software Ansoft High Frequency Structural Simulator (HFSS) v13 and analyze parameters which are generated in simulation results, namely the Voltage Standing Wave Ratio (VSWR), reflection coefficient (S11), the radiation pattern of two-dimensional and three-dimensional. On its design was made of two dipole antennas that can work in a system as a transmitter and receiver. Both of these Dipole antenna operating at ISM 433 MHz frequency band and produce VSWR = 1.62 at the transmitter antenna and = 1.406 on the receiving antenna. In addition, has been measured radiation patterns by antenna performance. From the results of radiation patterns measurements, obtained two pieces of Main Lobe in its field azimuth.

Performance Evaluation of Overcurrent Relay and Ground Fault Relay Coordination in Distribution Feeder

Azriyenni Azhari Zakri, Rezky Almi Ramadhan, Wahri Sunanda — Mon, 29 Apr 2024 00:00:00 +0000

Reliable and sustainable electrical distribution systems require effective protection measures against internal and external disturbances, especially short-circuit disturbances, to avoid damage to the equipment. Overcurrent relays (OCR) and ground fault relays (GFR) play an important role in the safety of the distribution network. To improve performance, evaluation of relay coordination is essential. During the short circuit, the nearest relay to the fault point is activated first and the backup relay is activated if the fault current exceeds the adjustment of the main relay. Coordination ensures that timely signaling is sent to interrupt the circuit. Inspection of the OCR relay revealed that it did not comply with the IEC 60255 standard and consequently adjusted the classification time to 0.402 seconds. Similarly, the results of the GFR relay inspection did not meet the standards and required an adjustment of the evaluation time to 0.492 seconds. Resolving these deviations is crucial to maintaining the reliability and compliance of the distribution network with industry standards, ensuring that the protection relays respond quickly and effectively to disturbances, thereby preventing possible damage to equipment

Comparasion of HVAC Energy Consumption Prediction in an Academic Building using LSTM and DNN

Hadi Christian, Koko Friansa, Justin Pradipta, Irsyad Nashirul Haq, Edi Leksono — Mon, 29 Apr 2024 00:00:00 +0000

Energy consumption information is a collection of information obtained from datasets that is useful for making decisions for energy conservation. In this paper, we proposed a modern approach based on LSTM and DNN. While many researchers have employed these methods for predicting energy consumption, this paper seeks to compare their efficacy to determine which is superior. The comparative analysis in question employs accuracy metrics such as Mean Absolute Error (MAE), Mean Squared Error (MSE), Root Mean Squared Error (RMSE), and R-squared (R²) values. Furthermore, the accuracy metric outcomes indicate that the LSTM method surpasses the DNN approach in terms of the R-squared (R2) value, with respective scores of 0.931 and 0.782. Meanwhile, for other accuracy metrics, the DNN method outperforms LSTM. Nevertheless, the performance of the two proposed methods is excellent, as evidenced by the R-squared (R²) value exceeding 0.75, which aligns with modeling standards observed in numerous research studies.

Investigasi Forensik Terhadap Bukti Digital Pada Flash disk Dengan Metode Forensic Process Berdasarkan NIST

Febriand Gysberth Pariela Zamsari, Teguh Wahyono — Mon, 29 Apr 2024 00:00:00 +0000

Flash disk merupakan barang yang tidak lepas dari kehidupan sehari-hari. Dengan Flash disk pengguna dapat menyimpan beberapa daya penting baik bagi pribadi maupun perusahaan. Selain itu, tidak dapat disangkal bahwa banyak kasus-kasus hukum di Indonesia yang menjadikan Flash disk sebagai barang bukti. UU ITE (Undang-undang Informasi dan Transaksi Elektronik) mengatur tentang bagaimana ketentuan bagaimana barang bukti digital menjadi barang bukti yang kuat di persidangan. Penelitian ini melakukan studi investigasi forensik terhadap bukti digital pada Flashdisk dengan empat skenario percobaan. Pengolahan forensik digital menggunakan metode forensic process berdasarkan panduan NIST (National Institute of Standards and Technology). Penelitian ini menghasilkan analisis dimana barang bukti yang diolah dengan skenario 1 dan 4 merupakan barang bukti digital yang valid dan sah untuk diajukan ke persidangan sedangkan barang bukti 2 dan 3 merupakan barang bukti yang tidak sah.