ABSTRACT Increasing the amount of solar radiation received by photovoltaic panels can be achieved by utilizing reflectors to redirect sunlight onto the panel surface. This study aims to analyze the effect of reflector material variations and tilt angles on the performance of a 100 Wp monocrystalline solar panel. An experimental method was employed by comparing three testing configurations: a s…
ABSTRACT A protection system is a critical component in maintaining the reliability and continuity of electrical power supply, particularly in oil and gas industrial power systems which have high complexity and a significant risk of disturbances. This study aims to design and analyze a protection system for the electrical network of PT EMP Energi Riau in the Merbau–Kayuara Field using a ti…
ABSTRACT Module operating temperature is one of the factors affecting the performance of solar panels, as an increase in temperature can reduce power output and efficiency. This study aims to analyze the comparative effect of module temperature variations on the efficiency and power output of Floating Solar Photovoltaic (FPV) and Ground Mounted Solar Photovoltaic (GMPV) systems. The research w…
ABSTRACT Solar panels are one of the renewable energy technologies that utilize solar energy to generate electricity. However, an increase in the operating temperature of solar panels due to exposure to solar radiation can lead to reductions in voltage, output power, and energy conversion efficiency. One passive cooling method that can be used to reduce the temperature increase of solar panels…
ABSTRACT The utilization of solar energy is influenced by the tilt angle of solar panels, which determines the amount of solar radiation received and the effectiveness of Peak Sun Hour (PSH) utilization. This study aims to analyze the effect of panel tilt angles on a Floating Photovoltaic (FPV) system in terms of power output, efficiency, and PSH utilization. The experiment was conducted at th…
ABSTRACT Partial shading conditions (PSC) are a major challenge in photovoltaic (PV) systems because they create multiple local maximum power points (LMPPs) and a single global maximum power point (GMPP), causing conventional maximum power point tracking (MPPT) algorithms such as Perturb and Observe (P&O) to become trapped at an LMPP and reduce power extraction. This study aims to design and a…
ABSTRACT In the industrial world, particularly in motor control systems and processes that require continuous automation, many systems currently still heavily rely on manual input devices such as pushbuttons, switches, variable resistors, and other analog input components as the medium for control. The research methodology involved data collection on component specifications, microcontroller d…
ABSTRACT This study discusses the design analysis of a rooftop Photovoltaic Power Plant on-grid hybrid system at Ombilin Steam Power Plant for self-consumption purposes. The high internal energy consumption of the power plant encourages the utilization of renewable energy as a supporting energy source to improve operational efficiency. The objective of this study is to design a rooftop photovo…
ABSTRACT Three-phase induction motors are widely used in industry due to their reliability and efficiency. An effective braking sistem is required to ensure safety and operational performance. Plugging braking provides fast stopping time but generates high transient current and thermal energy, while magnetic braking offers smoother operation with longer stopping time. This study analyzes a hyb…
ABSTRACT Tomatoes are one of the most important horticultural commodities with high market demand. However, the sorting process based on ripeness is still commonly performed manually, making it time-consuming, inefficient, and prone to errors caused by human subjectivity. This study aims to design and develop a tomato sorting device based on color detection using a TCS3200 color sensor and an …
ABSTRACT Freshwater lobster cultivation is a fishery sector with high economic value, but in practice, it still faces problems with the manual feeding process. Irregular feeding can impact lobster growth, health, and survival rates. This study aims to design and build an automatic lobster feeding system that can be controlled and monitored via a Telegram Bot. This system uses an ESP32 microcon…
ABSTRACT Induction motors are the most widely used electric motors in industry; therefore, their performance, stability, and efficiency are crucial for anticipating faults that could reduce their operational lifespan. Motor Current Signature Analysis (MCSA) is a common method for online motor performance monitoring, though it may yield suboptimal results when the load torque is not constant. T…
ABSTRACT The demand for electrical energy in Riau Province continues to increase along with population growth and economic development. This condition requires proper power system planning through long-term peak load forecasting. This study aims to analyze the influence of population and Gross Regional Domestic Product (GRDP) on electrical peak load and to forecast the future peak load in …
ABSTRACT The increasing utilization of rooftop photovoltaic (PV) systems in distribution networks requires an assessment of the network's capability to accommodate additional generation without violating operational limits. This study aims to analyze the impact of rooftop PV penetration on power flow, voltage profile, power losses, power factor, reverse power flow, and hosting capacity of the …
ABSTRACT The department room requires a secure access control system providing real-time lecturer availability to support effective academic activities. At the Department of Electrical Engineering, Universitas Riau, conventional room access makes it difficult for students to know lecturer presence. This study designs and implements a door control and lecturer monitoring system based on Raspber…
Accurate characterization of magnetodielectric materials is required in the development of microwave sensors and high-frequency communication systems. This study proposes a compact planar microwave sensor that uses a single dual Split-Ring Resonator (SRR) to simultaneously measure permittivity and permeability. The core innovation lies in the spatial segregation of electric-field-dominant and m…
ABSTRACT The increasing use of electric motorcycles has driven the need for renewable energy-based charging facilities. This study aims to design an off-grid solar power plant (PLTS)-based charging station at the Faculty of Engineering, Universitas Riau, with a capacity of 100 vehicles per day and to analyze its ability to meet charging energy demand. The research stages include calculating da…
ABSTRACK Solar panels are one of the renewable energy technologies that convert solar radiation into electrical energy. However, the use of a fixed panel position causes solar radiation absorption to be non-optimal throughout the day. This study aims to analyze the efficiency and performance comparison between a dual-axis Solar Tracker system and a fixed photovoltaic system in a rooftop photov…
ABSTRACT The Radio over Fiber (RoF) system, which transmits Radio Frequency (RF) signals through optical fiber, still faces a major issue known as Dispersion Power Fading (DPF). DPF occurs due to chromatic dispersion, which causes RF signal power fluctuations at the receiver side and degrades system performance. This study aims to analyze the use of an optimized Wavelength Division Multiplexin…
ABSTRACT IEEE 802.15.6 standard Wireless Body Area Network (WBAN) plays a crucial role in wireless patient health monitoring, but is faced with the challenges of dynamic medical traffic load fluctuations and energy limitations. This study aims to evaluate the performance of a WBAN network architecture that integrates the HyperMAC protocol at the Media Access Control (MAC) layer and Low Energy …