Answer / r k choudhary

Ring main unit is a looping of all equipment if power
supply from end fail then power supply from other end fed
in equipment. there will be no hindrance in our work.

Answer / david vk2cz

ATS is an automatic transfer switch, meaning it will accept power from 2 sources, and automatically switch to the source with available power. This can be dangerous in maintenance activities, unless it is switch to manual. Mostly used in datacentres, underground train stations and underground corridor lighting

what is safety measures of alternator.

10 Answers   HP, MNC,

---

DOES AN EARTH FAULT CURRENT ON THE DELTA SIDE OF A 6.6/33KV STEP UP STAR-DELTA CONNECTED TRANSFORMER REFLECT ON THE STAR SIDE? IF YES, THEN HOW AND WHAT IS THE AMOUNT OF CURRENT REFLECTED?

1 Answers  

---

I am completed DEEE in tamilnadu, now i am working in andhrapradesh with 2.5 year experience in relavent field. capacity of the tranformer is 11KV, 1MVA Transformer, i am eligible for getting c licence in andhrapradesh pl help me.

0 Answers  

---

Which one is easy to control AC or DC Machine?

2 Answers   BARC,

---

From the point of view of accuracy in the Measurement of Electrical energy should we select a potential transformer or a capacitor voltage transformers?.Kindly support your reply with reason and justification.

1 Answers  

---

IN CONTROL SYSTEMS Y WE NEED TO KNOW THE STABILITY OF THE SYSTEM?WHAT IS ITS PRACTICAL USE?

2 Answers  

---

What is the advantage of Neutral graunding transformer insted of Neutral graunding Resistance in generating station explain briefly.

2 Answers  

---

is any body explain me why return current in three phase power system is less then in a red, yellow, blue phases??? as we know Ir+Iy+Ib=In then why nutral wire has less then phase current????

2 Answers   Bhel, DRIEMS,

---

What is the rating of HT SUBSTATION and LT SUBSTATION?

11 Answers   NTPC, Sail,

---

What are the types of TESTS in CIRCUIT BREAKERS based on Testing and commissioning?

2 Answers  

---

How do you compute voltage drop and cable size over distance?

0 Answers  

---

What is kirchoff ’s current law (kcl)?

0 Answers  

---