Wednesday 12 October 2016

Testing and Solving common problems on earth resistance system.

We now able to know what is earth resistance system works and the purpose to install in single phase and three phase.There's only one final thing to do. Is the earth resistance testing and solve some common problems in earth resistance system. This is very important because, this earth resistance system going to safe you and your home. Lets get started.

To do earth resistance test, we need earth resistance tester and earth spike. Now open the earth chamber the place you plant earth copper tube. Using the earth resistance tester, there's three terminal you need to plug at the copper tube and the 2 earth spike. The three terminal has label E,P and C. After plug the three terminals,then press the push button at the earth resistance tester. The resistance reading will show in the meter.


A good earth resistance reading is 10‎Ω. It cannot be more or less than ‎10Ω. So what happen if the reading show more or less than 10Ω?. Your home RCCB controls your house electrical device from happening earth leakage. When the earth leakage happen with high or less resistance than 10‎Ω, the RCCB tripping speed will be slow and damaged your electrical appliance. In order to solve this problem let look at the problems by High and low earth resistance.

Factor of High resistance and Low resistance reading.
  1. The earth copper tube damaged.
  2. The soil incompatible for the copper tube.
  3.  Wound or cut earth wires.
  4. Earth copper tube plant in hill and mountain area.
  5. Moisture in soil
  6. Too much water(cause by rain)
Solutions of these problems :
 
1) Add two or more earth copper tube.
 
This is because, adding more earth copper tube can reach the depth of the soil that can provide efficient earth resistance. 
 
2) Pour little amount of salt water
 
Pure water is poor conductor of electricity.But adding impurities like salt make the electrical conductivity increase and the earth resistance will stable.
 
3) Connect Earth electrode in parallel.
 
If adding more earth copper tube isn't working, you can plant copper tube in parallel and make parallel connection on it. This will add efficient amount of earth resistance.
 
4) Plant copper tube in flat ground if your house build on high hills.
 
Hillside has solid ground than flat ground. This can increase earth resistance and too bad for your home. You should move your earth copper tube in flat ground that can stable the reading of earth resistance.  
 
That's all for earth resistance system.Hope you will learn a new thing here and good luck fro trying to do this earth resistance system from installing to testing.
 
ELECTRIFYING FACT OF THE DAY :
YOU CAN USE YOUR HOUSE PIPE AS A TEMPORARY EARTH RESISTANCE SYSTEM. HOUSE PIPE MADE OF GALVANIZE STEEL THAT'S GOOD FOR GROUDING. 
 
 
 
 

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