How do you think they do earthing or grounding in ships and
aeroplanes?

Answer Posted / piero

most of cruise ships use NGR (Neutral Grounding Resistor)
connected from the star point of the generators to the hull
of the ship, so the ship is a giant grounding electrode

Is This Answer Correct ?    9 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how is calculated the quantity of weight in hot test xlpe?

2006


WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

2693


Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?

1687


for a 400kv t/m line with 10 ampere current will corona occur?

1704


what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

1667






What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

1164


State thevenin’s theorem?

665


how external lighting design? please give examples?

1426


please send me privious exam's queation papers of section engineer(electrical).

1602


how to calculate micom relay earth falt time and current sertting

1835


what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?

1486


what is per unit calculation?looking for simple and strong explanation thk u

2080


How many double suspension hardware fittings are required on a double circuit transmission tower?

1415


Explain the process of commutation in a dc machine.

607


how test transfomer(3 phase75kva) by megger

1616