ABSTRACT The development of alternative energy sources is currently experiencing rapid growth, particularly in the development of solar power plants (SPPs) that convert solar energy into electricity. As the use of SPPs continues to expand, it is important to understand the factors that influence the efficiency of the system, including temperature fluctuations and partial shading caused by surr…
ABSTRACT This research analyzes the effect of azimuth angle variations on the performance of solar panels on the rooftop solar power generation system (PLTS) at the Faculty of Engineering Building, Riau University. The azimuthal angles tested were 160°, 170°, 180°, and 190° with a fixed tilt angle of 5°, using 4 x 100 Wp solar panels. Data were collected through direct measurements from 0…
ABSTRACT Transformers are an important asset whose health condition needs to be monitored regularly to maintain operational reliability and prevent potential failures. Therefore, regular monitoring and testing of transformer oil and paper insulation (furan) is necessary. This study aims to evaluate health index, estimate remaining life, and detect potential transformer failures. The data param…
ABSTRACT Radar is a vital technology in monitoring and security systems, especially in archipelagic countries like Indonesia. One of its key components is the antenna, which functions to receive and transmit electromagnetic signals. Microstrip antennas are selected for their compact size, efficiency, and ease of integration. This study designs microstrip MIMO array antennas with 2×2, 4×4, 8�…
ABSTRACT Slope stability is essential in ensuring the safety of residential areas, especially in regions with unstable soil conditions. This study aims to design gravity and cantilever type retaining walls as an effort to prevent soil instability at the Derofizha Permata Indrapuri Housing site in Pekanbaru. The methods used include field surveys, collection of soil parameter data, manual c…
ABSTRACT The research aims to analyze the stability of the slope at the Derofizha Permata Indrapuri Pekanbaru Housing site to obtain the Safety Factor value, The safety factor is an important consideration in the stability of slopes or embankments. The stability of a slope is a crucial factor in work that involves excavation, earthworkers, rocks, and mineral materials. The results of this …
The design of pile foundations requires accuracy in determining the soil bearing capacity in accordance with field conditions. This research was conducted to compare the bearing capacity of single pile foundations based on two types of data: Cone Penetration Test (CPT) results and laboratory soil test data. The study was carried out in the Indrapuri Housing area, Pekanbaru City. The analysis me…
ABSTRACT A slope is a land surface that makes a certain angle to the horizontal plane, causing a slope. Slopes that have a crucial slope need to be analyzed for slope stability. The purpose of this study, is a comparative analysis of the slope safety factor between the limit equilibrium method (Limite Equilibrium Method) and the finite element method (Finite Element Method) in terms of the…
ABSTRACT Erosion can reduce the capacity of water channels. So to overcome the problem of erosion in river channels, a river bank protection structure is needed. Therefore, in this study, analyzing the capacity of the river cross-section. This study aims to determine the flow rate of the Kampar River, the depth of the Kampar River in order to determine the river discharge after the constructio…
ABSTRACT This research aims to develop an intelligent system capable of detecting and repelling wild boar pests in plantations. Wild boars are known as agricultural crop destroyers, often causing significant losses for farmers in Indonesia, especially in areas close to forests and mountains. With the increasing need to protect crops such as corn, bananas, and coffee, technology emerges as a cr…
ABSTRACT As population and economic growth in Indonesia increases, so does the demand for energy. For this reason, renewable energy is needed as the right solution to meet energy needs in a sustainable manner. Indonesia is geographically located in a tropical climate so that Indonesia can utilize PLTS as a source of new renewable energy. PLTS utilizes solar energy which will be converted into e…
ABSTRACK This research aimed to conduct a comprehensive comparative performance analysis between a newly developed single-axis solar tracker system and a conventional static solar panel system. The increasing global energy demand underscores the critical need for optimizing renewable energy sources, particularly solar power, which faces inherent challenges due to the sun's dynamic position thr…
ABSTRACT The main issue in conventional single-phase diode rectifier systems is the low power factor and high total harmonic distortion (THD) of the input current, especially under dynamic load conditions. This study aims to design and simulate a Boost Converter system equipped with Power Factor Correction (PFC) to improve power quality by increasing the power factor, reducing THD, and enhanci…
ABSTRACT An antenna-based sensor was designed for the measurement of salt and sugar concentrations in water, operating within the frequency range of 1–3 GHz. The sensor was implemented using two types of substrates: Polyethylene Terephthalate (PET) with a thickness of 0.135 mm, and FR-4 with a thickness of 1.6 mm. Capacitive coupling was employed to achieve narrow bandwidths of 115 MHz on th…
ABSTRACT The reliability of electric power distribution system plays a crucial role in ensuring the continuity and quality of electricity supply to customers. This level of reliability can be measured using several key indices, namely SAIFI (System Average Interruption Frequency Index), SAIDI (System Average Interruption Duration Index), CAIDI (Customer Average Interruption Duration Index), an…
ABSTRACT This research designed a microwave sensor for measuring pesticide residue concentration in agricultural water, operating at a frequency range of 1-3 GHz. The sensor utilizes two types of substrates: Polyethylene Terephthalate (PET) with a thickness of 0.135 mm and FR-4 with a thickness of 1.6 mm. To achieve high sensitivity, the sensor employs a capacitive coupling technique to produc…
ABSTRACT The advancement of Internet of Things (IoT) technology has created significant opportunities to enhance the efficiency of computer laboratory management. However, many laboratories still face challenges in resource monitoring and management. This study develops an IoT-Based Smart Laboratory using ESP32S and RFID RC-522, integrated with OpenWeatherMap for real-time weather data and Bly…
ABSTRACT This study aims to analyze hydrometric parameters in the Air Hitam River by comparing two commonly used measurement methods: the float method and the current meter method. Both methods are employed to measure flow discharge and water velocity along the river, which exhibits variations in flow due to natural factors and human activities. The float method tracks the time taken by a floa…
ABSTRACT This research analyzes water discharge with variations in flow velocity measurements at Sail River, Bukit Raya District, Pekanbaru City. Water discharge is a crucial parameter in hydrology, playing a significant role in water resource management, flood mitigation, and infrastructure planning. The study aims to determine the water discharge value based on flow velocity measurement meth…
ABSTRACT The Tangkerang River in Pekanbaru City frequently experiences flooding due to high rainfall that exceeds the river’s capacity. This study aims to design a retention pond (embung) as an alternative flood control measure to reduce the peak discharge of the river flow. Hydrological analysis was conducted using the Nakayasu Synthetic Unit Hydrograph (HSS) method with rainfall data f…