02288nam a2200205 a 4500001001400000003000700014005001700021008004100038020002200079040000800101100002300109245009300132246009200225260003400317300006000351502010800411520149900519650004302018650002102061vtls000025784KUKTEM20251114204417.0080326t2007    my     f m    000 0 eng|d  aTHE0006696(Local)  aUMP0 aMohd Azraie Suarin10aAutomatic tester device for earth leakage circuit breaker (ELCB) /cMohd Azraie B Suarin3 aAutomatic tester device for earth leakage circuit breaker (ELCB)h[electronic resource]  aKuantan, Pahang :bUMP,c2007  a82  p. :bill. (some col.) ;c30 cm. +e1 computer disc  aProject paper (Bachelor of Electrical Engineering (Power systems)) -- Universiti Malaysia Pahang - 20071 aPower  system  protection  plays  important  role  for  the  safety  of  humans  and  electrical equipments in houses or buildings. Besides it also becomes a precondition of the system for  obtaining  capability  and  continuous  power  supply.  Earth  leakage  circuit  breaker (ELCB)  is  an  important  protection  device  especially  for  houses  and  buildings.  The ELCB’s  spring  trap  will  trip  to  isolate  the  fault  from the  system when  line  to  ground fault occurs. So the good condition of the ELCB is very important to run the duty as a power system protector. This project is designed to test the earth leakage circuit breaker (ELCB)  automatically  every  month  by  detecting  current  through  it  when  it  is  in  off condition. Microcontroller will be use in this project to make the ELCB automatically tested  with  programmed  it  for  month.  During  test  period,  a  current  detector  which  is connected series with the ELCB will detect any current that flow through it. When the detector  detect  currents,  mean  that  the  ELCB  does  not  function  properly  and  LED  or buzzer  will  be  ON  as  an  indicator  for  occupant,  so  that  ELCB  can  be  change immediately. The ELCB is in good condition and can function properly when no current detected and DC motor will be used to switch ON the ELCB’s spring trap. Actually this project can improve the ELCB application and also will enhance the safety for occupant of houses and buildings. -Author 0aElectric resistancexSecurity measures 0aEarth resistance