Mini Project Ideas for Electrical Engineering Students

Electrical Mini Project Ideas for Engineering Students

Let us have a look at some electrical mini project topics for engineering students.

Design of PM Generator for A Vertical Axis Wind Turbine

Designing a 20 kW generator for a vertical axis wind turbine with a wind speed of 10 m/s is the goal of this project. Because there aren’t many moving parts, this generator is more durable and requires less maintenance. Though it receives upwind from all directions, the turbine’s rotation speed ratio is less than that of wind turbines with horizontal axes.

Given the size of the generator and the high cost of the Neodymium magnets it uses, it is reasonable to assume that it would be costly. A very promising design that satisfies every need has been finalized following the simulation of multiple designs. This design has a power output of 20 kW and an efficiency of above 95%. Additionally, comparatively little hard magnetic material would be used here.

Because there is only one cable row per slot in this arrangement, heat pockets cannot form between cable rows. The sole drawback of this design is the creation of heat pockets, even if a machine with two or more cable rows per slot would be more compact and effective.

Chopper Based Speed Controlling of Electric Motor

This project’s primary idea is to use an IGBT-based chopper to control a DC motor that is independently stimulated. Both the armature voltage and the field flux can be changed to influence this process. By adjusting the armature voltage, the motor speed in this project can be made either higher or lower than its rated speed. This armature voltage can be controlled through a chopper based on IGBT. According to the required speed, this chopper uses the signal from the controller & changeable voltage can be applied to the motor’s armature.

The main benefit of this project is that the speed of the motor will change consistently using armature voltage & changes inversely using field voltage by maintaining armature & field voltages stable. As compared with SCR

The main benefit of this project is that the speed of the motor will change consistently using armature voltage & changes inversely using field voltage by maintaining armature & field voltages stable. An IGBT-based chopper will provide smooth control operation in contrast to an SCR-based circuit. Thus, the purpose of this project is to control the DC motor’s frequency and speed.

Low-Cost FM Booster

With this project, we are demonstrating a low-cost FM booster circuit that may be used to clearly listen in on FM shows from distant FM stations. An conventional emitter tuned RF preamplifier cabled in the vicinity of a VHF or UHF transistor (2SC2570) makes up the circuit. The transistor body interprets only C2570.

constructed the circuit on a premium PCB (glass-epoxy if feasible). To get the highest frequency, adjust the input or output trimmers. The input coil is made up of four rounds of 20SWG enameled copper cable, which is around 5 mm in diameter and partially space wound. It is wrapped from the ground lead end at the first turn. The input and output coils are identical.

Pre-study of New Electrical Coupling Between Train Cars

This is a preliminary investigation to see if a data bus system can replace separate control signal wires over the electrical coupler between the train cars. Because the coupler has so many contacts, it gets big and heavy, making it hard for manufacturers to improve the current fleet to transfer more signals because there are no spare contacts to use.

The electrical coupler has power and Ethernet signals in addition to control signals. Occasionally, certain trains additionally employ bus systems for control signals or signals with a lot of data. Some typical methods used by manufacturers to distribute electrical signals throughout the train are shown in this study. Additionally, it includes some design suggestions for a system that would collect current signals and send them to a bus system. Two design suggestions for the aforementioned system are also included in the paper.

According to the study, there are currently systems on the market that employ buses to transmit control signals, but they are mostly intended for trains that are still under construction. In order to free up space in the electrical coupler unit, a new bus system would only be suitable for updating current couplers.

Power Management through Energy Harvesting Concept

This project’s goal is to maximize power use and collect it. Generally speaking, the temperature and light sensors are in charge of this project. The procedure becomes automatic after the parts are installed. As the project’s title implies, our goal is to control and examine power loads under various circumstances.

It is observed that the control will trip if the load at a certain zone is increased. We have created a circuit to get around these issues. Reducing the amount of power delivered to the load point is the goal.

Self-Powered Door Bell Watcher

The goal of this project is to make it easier for the homeowner to find out who rang the bell while they were away. The purpose of this self-powered gadget is to enable people to keep an eye on whether someone has rung their door when they are not there. Connecting the circuit to the two doorbell coil leads is the first step in installing this straightforward gadget. An ac voltage of roughly 10–16 V is produced at the ends of the doorbell when it is rung; this voltage is rectified by a diode and charges an electrolytic capacitor.

Although this gadget was originally intended to be used when someone leaves the house for a few hours, studies have revealed that it can provide at least 15 days of memory, even when using inexpensive capacitors.

Flashing Beacon

There are multiple uses for this flashing beacon project. It can be used as a track director for parking lots, shopping centers, hospitals, hotels, etc., or as a de-anxiety sign on freeways. In this project, we introduce a flashing beacon that utilizes the well-known controller integrated circuit LM317T. Over 1 amp can be supplied by the LM317T control device. With a high-quality reflector, a small 12V, 10W tube light can be utilized as a very effective, conspicuous blinker.

The IC’s input point is connected to a 12 to 15V, 1A DC supply. The IC’s output point and ADJ point are fixed with a 12V, 10W tube light and a combination of capacitors and resistors. An aluminum heat-sink is included with the IC to disperse the heat generated during supplying full current. The IC extends the tube-light-light’s lifespan because it includes an integrated switch-on current restrictor.

The tube-light sparks at about four cycles per second for the specified values of resistors and capacitors. The capacitors’ charge and discharge span determines how many sparks are produced. To increase or decrease the amount of sparks, different values of resistors and capacitors can be used.

Affordable Hearing Aid

The price of the hearing aids on the market is really high. In this project, we are creating a low-cost hearing aid circuit using only four transistors and small reflexive components.

Once the power button is pressed, the transistor-enhanced condenser microphone detects the noise sign. The enhanced speech signal then passes via a few capacitors before reaching the third transistor’s bottom. To drive a stumpy impedance earphone, a fourth PNP transistor enhances the voice signal. The power-supplying decoupling capacitors used are the fifth and fifth capacitors.

This circuit can be easily installed on a Vero-board or a small, commonly used PCB. It requires a 3V DC supply to operate. Two tiny 1.5V batteries are used for this. Placing the microphone inside a tube will increase its sensitivity. Turning the knob to “OFF” will deactivate the circuit.

Anti-Bag-Snatching Alarm

We are creating a basic alarm circuit in this project to prevent asset theft while you are traveling. In the event that your luggage or suitcase is stolen, the snatch circuit inside it will sound a loud alarm and sound the police siren. This will attract the attention of anyone in the vicinity, maybe trapping the robber. The circuit is locked when it is in standby mode. The circuit sets off the alarm when the robber tries to take the bag. The op-amp IC CA3140, which is set up like a comparator, is the center of the circuit.

Stress Meter

Your emotional state is examined by this stress meter. It gives a warning bell and a visual indicator via an LED (light-emitting diode) if the stress level is high. This is a tiny piece of equipment that is worn like a watch around the wrist. The equipment is based on the idea that your emotions affect how resistant your skin is. The skin provides more resistance when the body is relaxed and less resistance when tension is present.

The increased blood flow to the skin is the reason for its low resistance. This increases the permeability of the skin and, consequently, the conduction of electric current.

This circuit is sensitive and may detect even subtle changes in emotions and mood. The touchpad delivers the same data to the circuit after detecting the variation in the stress meter.

Light Fence

The main issue with maximum regular light sensors is that, in order to silence the circuit when in standby mode, the light rays must be arranged in a certain way. According to this technology, it is so sensitive that it can detect a person walking a few meters away during the day or under electric lamps without the correct light beam configuration.

It requires almost minimal setup and may be placed in the direct line of sight of almost any light source, such as a burning incandescent bulb or a dazzling piece of daylight. Any unknown individual entering any secured area under monitoring can be identified by the circuit’s loud alarm alert. The design uses a mono-stable regulator and a volt comparator to sound an alert when it detects the presence of a person.

A student of electric engineering needs to be motivated enough to complete the small electric projects. Give yourself over to any productive job or initiatives; this will increase your knowledge base significantly. Students studying electric engineering working on a small project and emerging victorious will emerge with success will be the cherry on top.

When you start undertaking small electrical tasks to gain real experience, you can truly be extraordinary. Therefore, don’t wait for other people, locations, directions, or times. Examine the available options and conduct research.

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Tips for Choosing the Right Mini Project

Selecting an electrical engineering senior project can be a crucial decision for both your academic and professional futures. This methodical technique will assist you in making a well-informed choice:

1. Determine Your Passions

• Personal Interests: Think about the electrical engineering topics that most interest you. These could include control systems, communications, electronics, power systems, etc.
• Career Objectives: Consider the branch of electrical engineering you wish to work in. It can be advantageous to match your project with your professional goals.

2. Explore Current Trends

• Research Trends: Examine the newest developments in electrical engineering, including smart grids, IoT, renewable energy, and machine learning applications.
• Review of Literature: To learn about the issues being addressed in the discipline, read recent papers, journals, and articles.

3. Examine the viability

• Resources: Evaluate your accessible resources, such as materials, software tools, and lab equipment. Make sure you have access to the materials you need to finish the project.
• Time Restrictions: Consider how long you have to finish the project. Select a job that you can finish on schedule.

4. Consult with Faculty and Peers

• Advisors: Discuss your thoughts with your instructors or advisors. Based on their experience, they could recommend projects and offer insightful advice.
• Peer Collaboration: Talk to your peers about possible projects. Working together can help divide the effort and generate fresh ideas.

5. Specify the issue statement

• Specificity: Clearly state the issue that needs to be resolved. Your research and development will be guided by a well stated problem statement.
• Impact: Take into account how your endeavor can affect others. It can be very fulfilling to work on projects that solve practical problems or progress the subject.

6. Draft a Proposal

• Outline Goals: Draft a project proposal that includes your goals, approach, anticipated results, and any earlier research you’ve done.
• Feedback: To improve your ideas, ask peers or teachers for their opinions on your proposal.

7. Decide on the Type of Project

• Select whether you want to work on a practical project (like creating a prototype) or a theoretical one (like modeling or simulations).
• Group vs. Individual Projects: Decide if you prefer working in a team or alone. Projects in groups can provide a range of viewpoints and abilities.

8. Final Choice

• Analyze all of the data and insights that have been acquired. Select a project that interests you, fits with your professional objectives, and is doable given your limitations.

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Conclusion:

These projects give you a competitive edge in the field in addition to improving your technical proficiency. These suggestions are designed for engineering students who want to have an influence, whether they are investigating wireless charging systems, developing sustainable technologies, or enhancing power systems.