Different Types Of Fuses And Their Uses Pdf


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26.11.2020 at 01:47
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different types of fuses and their uses pdf

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Fuses are the protectors, these are the safety devices which are used to protect the home appliances like televisions, refrigerators, computers with damage by high voltage. The fuse is made up of thin strip or strand of metal, whenever the heavy amount of current or an excessive current flow is there in an electrical circuit, the fuse melts and it opens the circuit and disconnects it from the power supply. Also, it works as a circuit breaker or stabilizer which protects the device from damage. In the market, many types, features, and design of fuses are available nowadays. Fuses are used for the prevention of home appliances from the short circuit and damage by overload or high current etc.

What is Fuse : Different Types and Its Applications

In electronics and electrical engineering , a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby stopping or interrupting the current. It is a sacrificial device ; once a fuse has operated it is an open circuit, and must be replaced or rewired, depending on its type. Fuses have been used as essential safety devices from the early days of electrical engineering. Today there are thousands of different fuse designs which have specific current and voltage ratings, breaking capacity, and response times, depending on the application. The time and current operating characteristics of fuses are chosen to provide adequate protection without needless interruption. Wiring regulations usually define a maximum fuse current rating for particular circuits.

He was the person who suggested the utilization of reduced part of conductors to guard telegraph stations against the hits of lighting with liquefying, the slighter wires would guard equipment along with wiring in the building. In the year , lighting installations and telegraph cables can be protected by employing a variety of foil fusible essentials and wires. At the end, Thomas Alva Edison earned rights for a fuse which is an element of his electric distribution system in the year And now, this article discusses fuse , types of fuses, and its applications in various fields. In the field of electronics or electrical, a fuse is considered as the most crucial device which is employed in various electrical circuits that give protection from the overcurrent conditions. The device is included with a metal strip where it gets dissolved when there is a flow of an extended range of current values. Because of the metal dissolving, the circuit becomes an open circuit and disconnects the flow of power supply through the device.

Fuses can be considered as a sacrificial element in the circuit as they act as a weak link in the entire circuit. This is because, a fuse scarifies itself and reliably opens the circuit when there is an excessive current in the circuit or the circuit is under over load and if there is any short circuit. The principle of a fuse is based on the heating effect of the electric current. A simple fuse consists of a small conductive material with low resistance and it is placed in series with the circuit. The cross section area of this conducting material is designed such that it allows a certain amount of current that is permitted to flow in the circuit. When the current in the circuit exceeds this permitted value which may be caused due to overload, short circuit or load mismatch , this excessive current will melt the conductive element in the fuse and opens the circuit.

Fuse and Types of Fuses – Construction, Operation & Applications

A fuse is probably the simplest electrical device, but its function is critical in protecting electrical circuits from damage. Fuses are found in every circuit in one form or another in various shapes, sizes, and ratings. In this article, we will learn how a fuse works and about the different types of the fuse. The primary job of a fuse is to break the circuit if a current higher than desired is drawn by the circuit, thus preventing damage due to short circuits. The simplest kind of fuse consists of a resistive element , selected carefully for its melting point. The temperature of the element thus increases. For normal currents, this temperature increase is not enough to melt the filament.

The fuse is the current interrupting devices which break or open the circuit by fusing the element and thus remove the faulty device from the main supply circuit. The fuses are mainly classified into two types, depends on the input supply voltages they are the AC fuses and the DC fuses. The different types of the fuses are shown in the image below. The DC fuse opens or breaks the circuit when the excessive current flow through it. The only difficulty with the DC fuse is that the arc produced by the direct current is very difficult to extinct because there are no zero current flows in the circuit.

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: This paper deals with the brief review of the concept and functioning of different types of fuses with a main focus on analysis of the protection available by fuses from short-circuit damages. View via Publisher. Save to Library. Create Alert.


There are different variants of fuse boxes available with different types of circuit breaking. For instance, in the case of slow blow fuses, a small overload is carried.


Types of Fuses

Basically, use 3 type of fuse 1. Rewirable or Kit-kat fuse 2. Cartridge fuse 3. Switch Fuse.

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Fuse (electrical)

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Fuses and Types of Fuses

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For this purpose, special insulated fuse pullers are used. In the Bolted Type HRC Link Fuse, the conducting plates are bolted to the base of the fuse. There is also.


Cartridge fuse

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Electrical Fuse Types

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4 Comments

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26.11.2020 at 07:24 - Reply

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Brandon B.
01.12.2020 at 23:01 - Reply

Electric fuse was invented by Thomas Alva Edison in

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05.12.2020 at 17:13 - Reply

Fuses can be divided into two major categories, AC fuses, and DC fuses. The below block diagram illustrates the different types of the fuse under.

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