Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

0 Answers   Impulse,

---

why ground clearance of EHV line is more than HV line??

2 Answers  

---

400 kvtransmission lines in india are connected in star or delta

10 Answers   NTPC,

---

why we are connecting the alternator to a steam turbine of higher RPM then the rated RPM of alternator? For example:( connecting 1500 rpm alternator to 7600 rpm steam turbine). we can directly connect the same rpm turbine to alternator know??? is there any special reason ???

2 Answers  

---

why do we prefer VCB over OCB? what are the advantages of Vaccum Ckt. Breaker over Oil Ckt. Breaker?

2 Answers  

---

what type circuit breaker is suitable for connecting 1000A load VCb,Mccb?

5 Answers   Gridco,

---

1KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason

16 Answers   Ecil, Engineers India, MahaDiscom,

---

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

0 Answers  

---

Why PS class CT is always preferred for Differential protection?

0 Answers  

---

What is ramp signal?

0 Answers  

---

Which system is best for industries 3ph 3w or 3ph 4w?

3 Answers  

---

How many types of timer ?which timer are used star delta feeder

1 Answers   BMM Ispat,

---