Labview based distribution transformer fuse failure detection and information passing system

The  main  objective  of  this  project  is  to  develop  a  system  capable  of  detecting  the  blown  fuse  at distribution  transformer  and  informing  the  maintenance  staff&nbsp

Project Title

Labview based distribution transformer fuse failure detection and information passing system

Project Area of Specialization

Electrical/Electronic Engineering

Project Summary

The  main  objective  of  this  project  is  to  develop  a  system  capable  of  detecting  the  blown  fuse  at distribution  transformer  and  informing  the  maintenance  staff  of  electricity  automatically.  In  distribution transformer  fuses  are  connected  in  each  phase  to  protect  the  system  from  overloading.  When  load  (current)  in any  of  the  three  phases  exceeds  a  safety  limit,  the  respective  fuse  is  blown.  Fuse  blowing  occurs  many  times  in summer  due  to  overloading;  electricity  supply  of  that  particular  phase  is  cut  off.  The  detection  circuitry  will detect  it  and  microcontroller  will  process  that  signal  received  from  detection  circuitry.  Microcontroller  will access  the  GSM  module through AT commands  and  will  send the  location of  fault  to  the  repair  team. 

Project Objectives

The demand on the electric power for the household, commercial and industrial loads is on the increase. Also, the management of electric distribution system is becoming more complex. Lack of information at the base station regarding status of the distribution network has been identified as the major bottleneck to its effective monitoring and control. The work described is a development of Microcontroller-based Protection of Electric Distribution system for the purpose of effective monitoring and control of distribution system. A powerful GSM networking is designed to send data from Distribution side to the Sub-station and a Matlab GUI system has been develop to show the data. In general, the proposed design is developed for the user to easily recognize the distribution transformer is safe or unsafe and the distribution line that is suffered by fault. The ultimate objective is to monitor the distribution line status continuously and hence to guard the fault of distribution line due to the constraints such as overvoltage, under voltage, SLG, DLG faults. If any of these does occurs then a message will be sent to the designed controlling unit or substation.   

Project Implementation Method

Proection system’s main function is to  clear  faults from  the  power  system  at  high  speed  to  ensure safety,  minimize  equipment  damage  and  maintain power  system  stability[2].  Protection  of  power  systems requires an understanding  of  system  faults,  their detection,  and safe  isolation  of  the  faulted device.  By taking  an  inventory  of  all the  essential electrical loads and  doing  a  basic  electrical  load  evaluation  [2],  an  idea regarding  how  much  power  our  system  needs  to produce has  been  obtained.  We are also  aware about the  power  fluctuation situations  also  that  means what voltage  minimum /  maximum  we  are  getting  from the A.C  supply  mains.  In doing  this project  we  would  be using  concepts of  microcontrollers,  GSM  network  and GUI  of  MATLAB.   

Benefits of the Project

n this work we developed a low cost system that can automatically monitor the phase of a distribution transformer, detect a blown fuse, and promptly report the location of the fault to the electricity distribution company. This system will definitely reduce the downtime associated with the frequent blown fuses in the distribution transformers’ phases in Nigeria since it gives instant notification and indicates the location of the fault. 

Technical Details of Final Deliverable

Transformers  are  a  critical  and  expensive component of  the  power  system.  Due  to  the  long  lead time  for repair of  and  replacement  of  transformers,  a major  goal  of  transformer  protection  will  restrict the damage  to  a  faulted  transformer  &  also  protect  it from thieves  to avoid long  term  area  blackouts.  The comprehensive  transformer  protection  provided by multiple  function  protective  relays  is  appropriate  for critical transformers  of  all applications  [2].  Organized theft  of  electric transformers  from  live  transmission lines is  widespread  throughout the  country  making  power distribution  agencies  and  consumers  counting  losses  in several  millions  of  BDT  and  great  sufferings.  In the  last 10  years,  electric transformers  worth  BDT  2000  Million had been  stolen.  So,  foran  improved power  system stability  and  efficiently  innovative  technology,  a  micro controller  based protection  system  should be  achieved to  protect transformers. 

Final Deliverable of the Project

HW/SW integrated system

Core Industry

Energy

Other Industries

Manufacturing

Core Technology

Others

Other Technologies

Clean Tech

Sustainable Development Goals

Industry, Innovation and Infrastructure

Required Resources

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