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8 articles for “Relay Circuit”
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Innovative Water Distribution Systems: Raspberry Pi Based Adaptive Water Vending Solutions
Abstract: Technology has advanced to the point that many complex equipment and gadgets are now indispensable tools for humankind. Among these, automated vending machines have become a mainstay, simplified a variety of tasks and greatly increased productivity while reduced the need for human involvement. These devices, which have numerous inputs and outputs, can dispense snacks, cold beverages, coffee, tea, water, and more to meet the needs of a diverse clientele. The …
Published in Journal of Microcontroller Engineering and Applications · Vol. 11, Issue 3, 2024 · pp. 33–42 Read article
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Development of a Cost-Effective Automatic Power Transfer Switch for Backup Energy Systems
Abstract: This study offers a practical solution to the frequent power outages in places like Nigeria, where having backup power sources, such as inverters, is crucial. To make switching between the main power supply and backup power easier, the authors created a simple but effective transfer switch. The design uses important components like an electromechanical relay, a contactor, a voltage monitoring relay, and delay timer relays to ensure smooth switching between …
Published in Journal of Electronic Design Technology · Vol. 16, Issue 1, 2025 · pp. 7–12 Read article
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Automatic Power Switching Mains for Various Sources
Abstract: This project's major objective is to autonomously choose from four possible power sources—mains, generator, inverter, and solar—to guarantee a load's continuous power delivery. This is crucial due to the rising demand for electricity and the frequent power disruptions affecting industries, hospitals, and households. Establishing an alternative power source is imperative to address this issue. In this project, four switches are utilized to simulate the failure of individual power sources. Pressing …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 1, Issue 2, 2023 · pp. 24–30 Read article
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Design, Functionality and Applications of Water Chiller Variant
Abstract: This research paper provides a thorough examination of water chillers, focusing on their design, functionality, and diverse applications. By analysing different types of chillers, their operational mechanisms, and specific uses across industries, this study aims to enhance understanding and offer insights into the selection and implementation of water chillers in various setting. Alternative Water Chiller Panels are employed in cooling systems to regulate the water chiller's functioning. Actuators, temperature sensors, …
Published in Recent Trends in Fluid Mechanics · Vol. 11, Issue 3, 2024 · pp. 30–36 Read article
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A Cost-Effective Fast Cell Balancing Technique for Lithium- Ion Batteries using a Single DC–DC Converter with Direct Energy Transfer
Abstract: A novel quick lithium-ion battery balancing method with a single DC-DC converter for facilitating the direct energy transfer process in low and high voltage cells is introduced in this research work. Cost effectiveness in the design of the switch network is achieved by the use of relays in switching the cells. A control circuit including an MCU and a battery management IC is used for the sensing of cell voltages …
Published in Journal of Power Electronics and Power Systems · Vol. 16, Issue 2, 2026 Read article
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Wireless EV Charging Station
Abstract: Higher standards for the ease, safety, and dependability of electric vehicle charging have been proposed in recent years due to the fast development of the electrical vehicle (EV) of the new energy business. Resonant inductive coupling is used to charge wirelessly transmitted power. With the aid of Arduino, the transformer may be reconfigured to transfer energy with less energy loss and less strain on the primary circuit. With minimal energy …
Published in International Journal of Electronics Automation · Vol. 1, Issue 1, 2023 · pp. 30–37 Read article
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The Future of Domestic Convenience: An In-depth Review of IoT-enabled Smart Home Technologies
Abstract: This paper explores a design for a smartphone-controlled smart home automation circuit built around the ESP8266 microcontroller. The ESP8266, known for its Wi-Fi connectivity, is the heart of the circuit, enabling communication with a cloud platform and receiving user commands from a mobile application. Based on user commands received through the app, the ESP8266 triggers relays to control appliances like lights and fans. This design offers a cost-effective and customizable …
Published in Trends in Electrical Engineering · Vol. 14, Issue 2, 2024 · pp. 39–50 Read article
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Automatic Lightning and Control System
Abstract: This study describes the design and execution of a novel Automatic Lightning and Control System, which turns on and off electrical devices, including lighting circuits, automatically when people are present and off when they are not. Improving the electrical system's dependability and efficiency is the system's goal. Most universities squander a large amount of electrical energy turning on and off fans, computers, and other devices. This system is designed to …
Published in Trends in Mechanical Engineering & Technology · Vol. 14, Issue 3, 2024 Read article