WHY IS THE SIZE OF HOLE OF THE EARTH POINT IN THE PLUG
POINT BIGGER THAN PHASE AND NEUTRAL
Answer Posted / parmar jignesh
EARTH POINT PLUG IS BIGGER , BECAUSE AS AREA IS MORE SO
RESISTANCE IS LESS & CURRENT WILL ALWAYS FOLLOW LOW
RESISTANCE PATH I.E WHEN ANY FOULT OR LEAKAGE CURRENT IS
THERE THEN IT WILL FLOW THROUGH EARTH POINT NOT THROUGH
PERSION OPERATING DEVICE, AS EARTH POINT RESISTANCE IS
LOWER THAN THE RESISTANCE OF PERSION OPERATING OPERATING
DEVICE
| Is This Answer Correct ? | 50 Yes | 6 No |
Post New Answer View All Answers
why we setting 95 deg and 105 deg in wti and oti of distibution transformer ? give the reson for that ?
How do apply electrical 'c'license......pls advice
What is the automatic voltage regulator with servomotor?
if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.
How will be the single line diagram of series trip HT breaker? how it works?
where solid grounding and where grounding through ngr done and why?
What are the functions of different probes used in cro?
In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.
what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value
all interview questions with answers of ntpc (2000-2009
How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?
how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.
WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING
What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?
What consists of 2 or more thermocouples to be connented series?