Project Model Essay

ABSTRACT
PRECISE KILLOMETER CALCULATION BY UNDERGROUND CABLE
FAULT DETECTOR
The project uses the simple concept of OHMs law where a low DC voltage is applied at the feeder end through a series resistor - Project Model Essay introduction. The current would vary depending upon the length of fault of the cable in case there is a short circuit of LL or 3L or LG etc. The series resistor voltage drop changes accordingly which is then fed to an ADC to develop precise digital data which the programmed microcontroller would display the same in Kilo meters. The project is assembled with a set of resistors representing cable length in KMs and fault creation is made by a set of switches at every known KM to cross check the accuracy of the same. The fault occurring at what distance and which phase is displayed on a 16X2 LCD interfaced with the microcontroller.

In this project we use a microcontroller from 8051 family which is of 8-bit. The program is burned into ROM of microcontroller written in either Embedded C or assembly language. The power supply consists of a step down transformer 230/12V, which steps down the voltage to 12V AC. This is converted to DC using a Bridge rectifier. The ripples are removed using a capacitive filter and it is then regulated to +5V using a voltage regulator 7805 which is required for the operation of the microcontroller and other components.

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More Essay Examples on Resistor Rubric

Project Model No: 164

ABSTRACT
BLOCK DIAGRAM:

HARDWARE REQUIREMENTS:

SOFTWARE REQUIREMENTS:

Microcontroller (AT89C52/S52), LCD,
ADC, Relays, Relay Driver, Transformers,
Diodes, Regulator, Resistors, Capacitors,
LEDs, Switches.

Keil Compiler, Language: Embedded C or
Assembly.

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