Term Project on Fuse

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  • Topic: Circuit breaker, Residual-current device, Consumer unit
  • Pages : 29 (5824 words )
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  • Published : March 17, 2013
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INTEGRATED TERM PROJECT
ON
SAFETY ELECTRICAL FUSE

Faculty guide:
Dr. Nidhi L Sharda

Submitted by:
Vaibhav Anant
Megha Singh
B.FTech. Apparel Production 2009-13
FP-TECH, 1st Semester,
NIFT, BANGALORE

1

Integrated Term Project| By Megha Singh and Vaibhav Anant

CERTIFICATE
This is to certify hereby that the integrated term project submitted in the account of the study done on the “Safety Electrical Fuse” is an authentic work of Mr. Vaibhav Anant and Ms. Megha Singh; who are the bonafide students of National Institute of Fashion Technology, Bangalore and are undergoing the course of B.FTech. Apparel Production, FP-TECH, 1st Semester, (Batch. 2009-2013).

Dr. Nidhi L. Sharda
Faculty guide,
Associate.Prof (Dept. of Tech.)
NIFT, Bangalore

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Integrated Term Project| By Megha Singh and Vaibhav Anant

ACKNOWLEDGEMENT
We would like to extend our extreme gratitude to National Institute of Fashion Technology for providing us with the necessary infrastructure and facilities required for the completion of this project. We would like to thank our faculty Dr. Nidhi L. Sharada for providing us with her able guidance during this integrated term project. We would also like to extend our thanks to other faculties who helped us to finish the project, the staff of library and the computer lab for providing us with the necessary resources. A special mention goes to the people who helped us for the data collection regarding the Safety Electrical Fuse.

Vaibhav Anant
Megha Singh

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Integrated Term Project| By Megha Singh and Vaibhav Anant

CONTENTS
Serial No

Chapter Name

1.

Page Number

Introduction

5

a. Significance of the Study
b. Objectives
c. Limitations

2.

Review of the literature

9

a. History
b. Types of Fuses and Their Uses
c. Materials Used in Fuse wire

3.

Methodology

14
a. Methodology
b. Methodology Techniques
c. Data Collection Tool
d. Interview
e. Observation
f.

4.

Secondary Data Collection

Results and Discussions

16

a) Findings
b) Advantages
c) Principle
d) Working
e) Applications
f) Development of Prototype
g) Conclusion
h) Relevance with subjects

I.

Bibliography

II.

Annexure

Annexure

4

Integrated Term Project| By Megha Singh and Vaibhav Anant

CHAPTER 1
INTRODUCTION

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Integrated Term Project| By Megha Singh and Vaibhav Anant

1

INTRODUCTION

An electrical fuse is a current interrupting device which protects an electrical circuit in which it is installed by creating an open circuit condition in response to excessive current. The current is interrupted when the element or elements which carry the current are melte d by heat generated by the current. A fusible link is connected between the fuse terminals, so that when electrical current flowing through the fuse exceeds a predetermined limit, the fusible link melts and opens the circuit through the fuse to prevent ele ctrical component damage. Fuses are employed in many electrical systems that are used by people on an everyday basis. For example, fuses are part of electrical systems found in house hold appliances, automobiles, motorcycles and other devices. The current path within a typical fuse is through the end caps to a metallic fusible element. The resistance of the fusible element develops heat that causes a portion of the metal to melt or disintegrate upon reaching the melting temperature of the metal. In normal operation, the temperature of the device remains relatively low and the resistance of the device also remains low. When an overload current flows through the device, the internal temperature of the fuse rises sufficiently to cause the fuse to electrically open. An alloy type thermal fuse is widely used as a thermo-protector for an electrical appliance or a circuit element. The fuse housing materials may consist of glass, ceramic, porcelain, and glass-filament-wound epoxy tubing. Copper ferrules or sand cast caps are...
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