Design of Voltage Regulator for armoured personnel carrier

Several applications operate at very low DC supply voltages like electric vehicles (EVs), self-propelled gun (SP guns), armoured personnel carrier (APC), voltage regulator modules (VRM) for powering microprocessors, light-emitting diode (LED) lamps, and portable devices. For such applications, a ver

Project Title

Design of Voltage Regulator for armoured personnel carrier

Project Area of Specialization

Electrical/Electronic Engineering

Project Summary

Several applications operate at very low DC supply voltages like electric vehicles (EVs), self-propelled gun (SP guns), armoured personnel carrier (APC), voltage regulator modules (VRM) for powering microprocessors, light-emitting diode (LED) lamps, and portable devices. For such applications, a very high step-down DC-DC voltage conversion is required. For such a high voltage conversion, the conventional buck converter must operate at an extremely low duty cycle which results in increased power loss. For this purpose, several high step-down DC-DC converter topologies have been reported in the literature.

Interleaved buck converters (IBC) have received a lot of attention due to their low ripple characteristics. However, they do not lower the voltage conversion ratio. Tapped and coupled inductor buck converter can achieve the high step down conversion ratio by using the proper number of turn ratio, but there exists some leakage inductance which causes high voltage spikes on the switches. Switched capacitor technique can provide high step-down voltage without operating at a low duty cycle. However, switched capacitor converter has very poor efficiency. Switched inductor cells are also used to achieve high step-down voltage conversion but the ripples are high due to L-switching cells. To obtain a high step-down voltage conversion a new topology of the DC-DC converter is presented in this study. The circuit diagram of the proposed converter is shown below. While benefiting from the low ripple characteristics of interleaved structure it can give improved step down conversion ratio as compared to traditional Interleaved Buck Converter (IBC).

Project Objectives

The project, entitled "Design of voltage regulator for Armoured Personnel Carrier (APC)" has the following objectives:

1. To propose a circuit topology which can achieve a high step down voltage conversion ratio.
2. To achieve higher efficency.
3. To protect our circuit topology in overloading and short circuit condition.

Project Implementation Method

The project Implementation method are as under:

1. Literature survey.
2. Analysis of proposed topology.
3. Implementation of proposed topology in Matlab simulink environment.
4. Design and febrication of the hardware prototype.
5. Hardware inplementation and result validation.
6. Result compilation and thesis wirte-up.
    

Benefits of the Project

The proposed topology has the following benefits:

1. A high step down voltage conversion ratio is achieved.
2. The proposed circuit will have a higher efficiency.
3. The circuit is protected against overloading and short circuit conditions.
    

Technical Details of Final Deliverable

 Activity 

Literature Survey

 Analysis of Proposed Topology 

 Implementation of Proposed Topology in Simulink

 Design and Fabrication of Hardware Prototype

 Hardware Implementation and Result validation

Result compilation and Thesis Write-up

Final Deliverable of the Project

Hardware System

Core Industry

Security

Other Industries

Energy

Core Technology

Others

Other Technologies

Others

Sustainable Development Goals

Affordable and Clean Energy, Industry, Innovation and Infrastructure

Required Resources

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