ABSTRAK Onion (Allium cepa L.) is an important horticultural commodity that is widely used as a basic seasoning in various dishes. The high demand for onions requires increased efficiency in the peeling and slicing process. Onion peeling and slicing machines on the market today generally use a vertical system, but have limitations such as imperfect peeling results, risk of leakage during the p…
ABSTRAK The boost converter is designed to convert a low input voltage into a higher and more stable DC voltage. The boost converter here is used to increase the voltage value produced by the solar panel. IGBT type TGAN40N120F2DS is used as an automatic switch (on) and (off) times are controlled by a control circuit produced by IC SG3525, a Boost converter which is made to produce a voltage of…
ABSTRACT To determine the performance of the reliability index before and after the use of SCADA, a reliability indicator is needed in the distribution system service. can be declared reliable if the SAIFI and SAIDI parameters meet the standards set by SPLN, IEEE, World Class Service and the standards of the ULP itself. This study resulted in an analysis of the customer reliability system at P…
ABSTRACT The efficiency of the distribution system often decreases due to power losses that occur during the transmission of electricity from the power plant to consumers. This condition causes the generated electrical energy to be not fully utilized, resulting in energy and cost losses. One of the efforts to improve distribution system efficiency is by implementing Distributed Generation (DG)…
ABSTRACT Three-phase induction motors are widely used in industry due to their high reliability and efficiency; however, conventional control systems have limitations in terms of remote operation and monitoring. This research designs and implements a start–stop control and current monitoring system for a three-phase induction motor based on the Internet of Things (IoT) using an ESP32 mic…
ABSTRACT The design and construction of a solar-powered water pump system for pool water circulation was carried out to provide an efficient and sustainable alternative energy solution. This system utilizes solar modules as the primary energy source, converted by an inverter to produce AC voltage suitable for the pump's needs. An MPPT controller (MPPT) is used to optimize power absorption …
ABSTRACT Three-phase electric motors are the type of motor that is most widely used in both large and small industries compared to other types of motors. This is possible because this type of motorbike has advantages both from a technical and economic point of view. Three-phase electric motors have large initial current characteristics but this can be overcome by several methods of regulation,…
ABSTRACT This study discusses the design of a monitoring system for current, voltage, and power in a three-phase induction motor based on the Internet of Things (IoT). The system uses an ESP32 microcontroller as the main controller and PZEM-004T sensors to measure electrical parameters. Measurement data are transmitted via WiFi and displayed on the Blynk platform, allowing real-time monitoring…
ABSTRACT The design and manufacture of an off-grid solar panel monitoring system integrated with temperature and light intensity sensors based on the Internet of Things (IoT) is discussed in this study. The background of this study stems from the need for an automatic monitoring system to determine the performance of solar power plants (PLTS) in real time without having to make manual records.…
Abstract Waste is the residue of human activities or natural processes that is no longer used, discarded, and has no economic value for its owner. The problem of waste in waterways, especially rivers, is a crucial environmental issue. The accumulation of trash in rivers not only pollutes the environment and damages aquatic ecosystems, but can also cause flooding. This thesis designs an IoT-bas…
ABSTRAC This study aims to design and implement an analog-based Battery Management System (BMS) utilizing a TL431 comparator and a BD140 transistor to provide overcharge protection for a 3S lithium-ion battery configuration. The proposed system is integrated with a 10-Watt photovoltaic (PV) solar panel as the energy source and is equipped with a monitoring subsystem consisting of an INA219 cur…
ABSTRAK The development of information and communication technology has driven an increasing need for fast and stable internet access, especially through public WiFi networks that are now widely available in cafes, restaurants, and other public spaces. This study aims to measure and analyze the quality of service (QoS) and the quality of user experience (QoE) on open access WiFi networks i…
ABSTRAK This study aims to analyze and compare the performance of 4G LTE networks provided by two cellular operators, Telkomsel and 3 (Tri), in Pekanbaru City. Measurements were conducted in three different environments, namely urban, sub-urban, and indoor areas, using drive test methods. The evaluated performance parameters include Reference Signal Received Power (RSRP), Reference Signal…
ABSTRAK The rapid development of cellular technology demands the availability of communication networks with high capacity, low latency, and more reliable coverage. 5G technology is here as an answer to these needs, offering speeds of up to gigabits per second, latency below 1 ms, and bandwidth much greater than 4G. Pekanbaru City, as an economic center and a developing area towards a sma…
ABSTRACT Monitoring small-signal stability in power systems has become increasingly important as network interconnections grow more complex. Electromechanical oscillations triggered by small disturbances must be accurately identified to prevent performance degradation and potential system instability. This study applies the Eigen System Realization Algorithm (ERA) to estimate modal parameters,…
ABSTRACT This research is motivated by a study that identifies the battery as a crucial component in an electrical energy system. Accordingly, a photovoltaic (PV) power generation system is designed to supply the battery with the required energy, namely 5 MWh per day. The research methodology includes calculating the capacity and configuration of PV modules, designing the converter through a m…
ABSTRACT The need for optimal lighting in the classroom is very important to support a comfortable and efficient teaching and learning process. Lighting that is too bright or dim can affect concentration and cause eye fatigue. The research aims to design and build an Internet of Things (IoT)-based classroom light intensity regulation system that can adjust lighting automatically based on n…
ABSTRACT The ground wire serves as a protective phase wire from lightning strikes, problems arise when lightning strikes the ground wire. So that the lightning current flows in the ground wire, thus an increase in voltage occurs in the tower. The technology that has been developed by ITB and PT. PLN Persero is the I-GSW system functions to protect the transmission tower from lightning currents…
ABSTRACT Solar-powered street lighting offers an energy-efficient and environmentally friendly solution that aligns with the green campus concept. This study aims to design a solar-powered street lighting system for the Faculty of Engineering at the University of Riau, considering both technical and economic aspects. The technical analysis was conducted through energy requirement calculations …
ABSTRACT The reliability of the distribution system was evaluated using the SAIFI, SAIDI, CAIDI, and MAIFI indices, while the economic aspects were analyzed using ENS and AENS. The purpose of this research is to evaluate the impact of Distributed Generation (DG) on improving network reliability, reducing energy losses economically, and the potential for reducing lost power. The analysis was co…