Interested to Buy Any Domain ? << Click Here >> for more details...
how to measure earth pit resistance
- 7 Answers
- 89839 Views
- BARC, BYD Electronic, Construction, I also Faced
- E-Mail Answers
Answer Posted / bhatt
Earth pit resistance is measured by Earth tester, Earth
tester have four terminals P1,P2,C1,C2 i.e. Two potential &
Two Current terminals. while earth pit testing, P2 & C2 are
shorted and C1 connected to current spike(Conductive rod)
which should be drived into soil at around 30 meter
distance from earth pit and P1 is connected to potential
spike(Conductive rod) drived at around 15 mtr away from
earth pit in the direction of current spikes.By rotating
the handle of meter(in old meters) or by pressing test
button (in new type meter) one can get earth resistance.Now
Potential spikes are drived at different locations toward
earth pit and current spike side and a curve between
distance and resistance is plotted. Earth resistance will
be platue of the graph.In this meter current is passed
between earth pit and current spike and potential is
measured between potential spike and earth pit. Ratio
between Voltage measured and current passed thrugh the
earth is the resitance of earth pit.
| Is This Answer Correct ? | 139 Yes | 20 No |
Post New Answer View All Answers
WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?
how braking & making capacity of circuit breaker are calculated?
how wecalculate breaking capcity of acb mcb mccb .explain with example
Difference between on line capacitor and Station type capacitor
how does the thyistor work in dc drive?
What is mean by spike arrester(Voltage Operated)
What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.
hello! sir i did three year of diploma in electrical (2007- 2010) and now i m a student of electrical engineering. sir can i apply for germany visa for study and part tome work over there?
In vapour absorption refrigeration machine fluids used are
1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks
I want to do a mini project. Now I'm studying in 6th semis tor EEE Engineering.
what is the acceptable limit value for Desolve Gas Analysis/
During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP
What is FM200 Gas??Applications........
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com
