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The objective of this project is to determine the distance of underground cable fault from base station in kilometers. The underground cable system is a common practice followed in many urban areas.

While a fault occurs for some reason, at that time the repairing process related to that particular cable is difficult due to not knowing the exact location of the cable fault. The proposed system is to find the exact location of the fault.

The project uses the standard concept of Ohms law i.e., when a low DC voltage is applied at the feeder end through a series resistor (Cable lines), then current would vary depending upon the location of fault in the cable.

In case there is a short circuit (Line to Ground), the voltage across series resistors changes accordingly, which is then fed to an ADC to develop precise digital data which the programmed microcontroller of 8051 family would display in kilometers.

The project is assembled with a set of resistors representing cable length in KM’s 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 a particular distance and the respective phase is displayed on a LCD interfaced to the microcontroller.

Further this project can be enhanced by using capacitor in an ac circuit to measure the impedance which can even locate the open circuited cable, unlike the short circuited fault only using resistors in DC circuit as followed in the above proposed project. 

ADC Cable Fault Distance Locator.
Branding-free material.
Call/mail for Tech Support from 10 am - 7 pm.
Pre-programmed Microcontroller.
All-inclusive solution kit.
Easy to use, Self-explanatory kit.
Extensive audio-visuals available.
Hardware Requirements
  • 8051 series Microcontroller
  • LCD
  • Crystal
  • ADC
  • Relays
  • Relay Driver IC
  • Transformer
  • Diodes
  • Voltage Regulator
  • Resistors
  • Capacitors
  • LEDs
  • Slide switches
Software Requirements
  • Keil Compiler
  • Language: Embedded C or Assembly.
Q & A
Q:  How is the underground cable fault detection done?
A:  Underground cable fault detection is done using cable voltage drop as an input and resistance at every kilometer is the consideration.
Q:  How is the fault detected?
A:  Cable length represented by a set of resistors is subjected to a current flow through a series resistor, the voltage drop of which is used in the programming through ADC to calculate the distance.
Q:  What are the types of fault created in this system?
A:  Three Line to Ground, three Line-to-Lines and line to line are the types of faults created in this system.
Q:  Which microcontroller is used in this project?
A:  A 40 pin microcontroller from 8051 family is used in this project.
Average Rating
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Showing 4 of 45 reviews Show All
Ranendra, New Delhi on 23rd July, 2015, 11:43 AM

I came to know about Edgefx through my friend. I directly typed Edgefx kits in Google.I decided to buy a kit from Edgefx by the words of my friend. And I like the complete kit.Yes the kit delivered on time with the right components.No Improvements required.

A DAVID, VILLIANUR on 21st July, 2015, 12:49 PM

I found your website on Google.I liked the details given on your website, so that I had purchased the kit. I like the documentation in CD.The kit was delivered on time.I had directly purchased the project through online.Everything is good.

Shubham, Bhopal on 17th July, 2015, 11:23 AM

While searching for projects I come to know about Edgefx.I like the complete kit.Yes the kit delivered on time with right components.I directly purchased through online.No suggestions.

Shivam Patel, Vadodara on 4th July, 2015, 12:21 PM

I got to know about Edgefx while I was searching for projects in Google.Since Edgefx is providing Readymade kit also so decided to buy my project from Edgefx. I liked the explanation of video.The kit got delivered to me in right time with all the components.

Rating Breakdown (45 Reviews)

Edgefx Technologies Pvt. Ltd.,
Plot No. 105, 3rd Floor,
Liberty Plaza, Himayathnagar,
Hyderabad - 500029,
Telangana, India
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