Answer / sathiyamoorthy

earthing is used to fault conditions over current and
electrical equipment leakage current bypass to ground to
protect equipment this is earthing .
Neural grounding is used for star connection unbalance
condition time to balance the load and to reduce
harmonics

Answer / arun kumar

earthing is used for equipment protection while neutral grounding is for system protection.

Answer / 7anoter4

See:
http://control.com/thread/1026202024
Posted by Bob Peterson on 20 October, 2004 - 11:41 pm

Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

0 Answers  

---

would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......

0 Answers   BARC,

---

What is the constructional difference between ceiling fan and table fan

2 Answers  

---

is there interlocking between duty and standby chilled water pumps?

1 Answers  

---

what are the limitations to use 33kv ac in industries?

0 Answers  

---

Which of the following connection is best suited for 3-ph, 4 wire system A delta-delta B star-star C delta-star D star-delta

2 Answers  

---

Tell me how you are ready to comply with the employment rules and regulations if your CV is considered for employment?

0 Answers  

---

in power station power measuring unit is KW but in transformer is KVA why?

4 Answers  

---

Which type of power plant is more easier to produce electrical power at economical condition?

5 Answers   HAL,

---

Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.

0 Answers   Gasco,

---

What are the properties of a resistor?

0 Answers  

---

what are the main problems that happen in an emergency light and how to fix them ?

2 Answers  

---