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Electrical Power Research and Project ideas

Electrical Power Research and Project ideas suitable for Bachelor and Masters students with huge industrial scope

V/F control of AC Induction Motor

This electrical power research project will explore some aspects of AC Induction motors (ACIM) control using open and closed-loop voltage/frequency (V/f) control strategies and their impact on efficiency. Some of the issues that need to be investigated may include open loop voltage-frequency (V/f) control; voltage-frequency control with current feedback; voltage-frequency control with velocity feedback; and proportional, integral and differential control techniques.

Ground fault detection system in an electricity distribution network

The aim of this electrical power research project is to design/build a fault-detection/triggering system without connection to the earth. This will involve use of symmetrical components to decompose the system parameters and determine the presence of any fault transients.

Reduction of standby power consumption for LED Lighting

Even when the LED lamps are not lit, the switching power supplies powering them connected to the grid. The aim of this project is to design and develop a mechanism that would either substantially reduce or eliminate standby-power levels in lighting applications.

Design and implementation of a solid State power factor corrector

Reactive power flow through the transmission system leads to both power loss (leading to low system efficiencies) as well as using part of the transmission capacity that otherwise could be used for real power. The aim of this electrical power research project is implement an efficient solid state power factor corrector at a reasonable cost.

Control of a doubly-fed induction generator

Squirrel cage induction generators are widely used because of their lower cost, reliability, construction and simplicity of maintenance. The aim of this electrical power research project is to develop a model of the systems with a controller that does not rely on control of the speed of the turbine and test the results of the model with an appropriate test bed.

Low-profile auto-aligning Solar Panel

Solar Energy is in increasing use in high latitude countries, such as the UK. In these regions the position of the sun in the sky varies greatly over the day and over the year. To optimise the amount of solar energy received the solar cells should be aligned to the radiation. It will be is easier to redirect the sun’s rays to be normally incident onto the solar cells. This electrical power research project will investigate the use of a linear array of prisms/lenses placed over the solar panel that can be mechanically rotated to redirect the sun’s rays as required. For further improvement the solar panel should also rotate allowing full 3-D steering of the incident rays.

Hydrogen powered Nightlight

Fuel cells are attracting a lot of interest as an alternative form of generating electricity. Some Fuel Cells can be used in a reversible manner, generating hydrogen from a source of electricity. In this project the use of a Fuel Cell as the energy storage device in a solar powered nightlight is to be investigated. Solar powered nightlights products are already available whereby solar energy is harvested during daylight hours to power an electric light during the night time (or least the evening). This electrical power research project will investigate the implications of replacing the existing energy storage device (typically a Battery or Capacitor) with a reversible PEM Fuel Cell.

Micro-grid central controller for local area voltage control

Micro-grids are considered promising in managing network components located in the low voltage network, such as distributed generators, electric vehicles and responsive loads. The concept of micro-grids is that the components in the micro-grid are controlled for a given purpose. This purpose is often control of voltage levels. If voltage values at some point in the micro-grid area deviate from given limits, the micro-grid central controller takes action to rectify this by either modifying the generation or the demand levels. In this project, a basic micro-grid central controller will be designed, which will be able to measure voltage values in specific parts of the network and regulate micro-grid components.

Differential solar tracking for a concentrated solar device

The sun is not static throughout the day, but it moves from east to west. Since the efficiency of photovoltaic devices is dependent on the angle that the solar rays fall on the surface of the device, the photovoltaic devices need to track the sun’s movement throughout the day. This is done by devices called trackers. In this electrical power research project, a basic solar tracking device will be developed and tested, based on the principle of differential measurements from two non-aligned solar sensors. The sensors will be mounted on either side of a concentrative reflector, which will be focused on a central solar collection point

 Wind turbine pitch control implementation

Efficient wind turbine operation depends on many factors, such as tracking the wind direction so that it is always facing the wind. Another very important factor is the angle at which the wind hits the blades, which is called the Angle of Attack (AoA). In large wind turbines, the blades can rotate on their main axis, to optimise the AoA, therefore optimising the wind turbine power output. This is called pitch control. The pitch controller is sensing the wind speed and direction and is calculating the optimal pitch angle for the blade, rotating it accordingly. The aim of this electrical power research project is to design and build a controller for pitching a wind turbine blade.

Building a SCADA system for a photovoltaic inverter

Photovoltaic panels produce Direct Current (DC), therefore they need inverters to be able to convert their output to AC and feed it to the grid. Photovoltaic inverters have the standard features found in any inverter, but also specific features specialised to their application as photovoltaic inverters. Some of these features include power factor control, Maximum Power Point Tracking (MPPT), etc. The components of an energy system, such as inverters or generators, can be controlled by a Supervisory Control And Data Acquisition (SCADA) system. This system enables the operator to collect data and control the devices connected to it (e.g. record the power output of an inverter, or switch off a generator). The aim of this electrical power research project is to build a basic SCADA system for a photovoltaic inverter, with the following characteristics: (i) be able to communicate with the inverter, (ii) be able to record inverter parameters and (iii) be able to change at least one controllable parameter.

Small Scale Experimental Rig for Multi-Terminal HVDC Transmission

Transmission of power through High Voltage Direct Current (HVDC) lines has been used for decades in large distances. The last few years, large wind farm developers prefer HVDC transmission, because the large distances from offshore wind farms to the transmission system make HVDC more economical as an interconnection method. However, the large number of offshore wind farms that is being planned, e.g. in the North Sea, may result in a network of linked HVDC transmission lines, with more than two terminals. This is called multi-terminal HVDC. This electrical power research project aims to investigate the operation of multi-terminal HVDC, by building a small-scale experimental rig.

Distributed generation protection during Islanding

Distributed generators are defined as small-scale generators connected to the distribution system, instead of the transmission system. The incident when a part of the distribution network is isolated, e.g. due to a fault, is called islanding, because network “islands” are created. When islanding occurs, the interconnection regulations state that all generators which are connected to the isolated part must be disconnected. This is to prevent damage to equipment and potential danger to workers who think that the lines are de-energised. The aim of this project is to build a protection device (e.g. differential relay) which disconnects a distributed generator when islanding occurs.

Energy storage using compressed gas storage tank/compressor

Small scale electrical energy storage has up to now mainly been solved by batteries. Although super capacitors are on the rise, their storage capacity is still limited and their advantages only apply in certain environments. The requirement for affordable small and large scale storage is only increasing with the rise of sustainable energy gathering, since these energy sources are generally not continuous in output, therefore a proper buffering mechanism is required.

Depending on which type of energy needs to be stored, different solutions would be better, but in general finding sustainable methods need to get a higher focus. For example for electrical energy storage, quite often batteries are used, but these have a lifetime of about 5 years, depending on their type they have different advantages and recycling them can be an issue.

This project considers looking at one alternative for storing energy, namely compressed gas. Compressing gases is quite straight forward, but also has a number of problems associated with it: 1) depending on the gas being compressed different safety standards might need to be complied with, 2) during the compression heat may be produced, which reduces the efficiency of the conversion process, 3) storage of compressed gas, particularly under high pressure requires strong storage tanks, which are generally heavy and expensive.

The company VV-TEC tries to address a few of the above problems, by presenting a different type of storage tank in the form of a pressure vessel. This pressure vessel cannot only serve for storage under high pressure, but can also be used as the actual compressor.

Although the proposal is there, there is still a variety of applications in how the vessel can be used i.e. building constructions, wind turbine towers, pipelines etc., and it would be useful to get some idea of the more efficient ways of using this system. The overall efficiency of a compressed gas storage system and so on. A test rig that compares the new method with current metal tanks can be made available, however overall testing of this new mechanism is required. This should then hopefully lead to improved proposals on how to use this system for energy storage.

Reluctance motor for electric vehicle

For a long time the use of a reluctance motor was not very viable due to a lack of knowledge and problems with the control. Now it has been used and optimised for electric vehicles. This electrical power research project will look into the functioning of a reluctance motor to get a full understanding of its behaviour and then design a control system so it can be used for motor and generator functionality. A prototype of the system should be build and efficiency measured and compared with other type motors.

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About Syed Noman ud din

Syed Noman ud din is an Electrical Engineer and working in Industry from last 3 years. He writes technical articles for electrical and electronic engineers. He has also published several research publications in renowned international journals.

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