Answer / vishal kumar bharti

Average value:
Since I=10+10sin 314t
We know that 10 =constant function and 10sin314t is symmetrical function
Therefore AVERAGE CURRENT=CONSTANT FUNCTION
SO, I =10 ampere

RMS CURRENT:-
RMS CURRENT=√ (DC)^2+(I/√2)^2
=√10^2+(10/2)^2
=√100+50
=√150
=12.2 ampere

Answer / arjun mahanta

Avg=10

A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

4 Answers  

---

How can get electrical c licence.Now i am working in spining Mill , transformer capacity 2750kva. Sanction demand 2250kva. Please advise me . My contact no 09944226823

5 Answers   Pace Power Systems, VRVS, VSJ Industry,

---

what is the potential difference between line and earth?

11 Answers  

---

What is the function of RCCB? What are the different sensitivity ratings & each application?

6 Answers   Wipro,

---

Sir, how to calculate the voltage drop and short circuit current of cable. please give me example and formulas.

1 Answers  

---

sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

0 Answers  

---

How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.

0 Answers  

---

What is the fullform of IPS in substaion using Aluminium Tubes

15 Answers   L&T,

---

what is difference b/w bus duct & bus bar.

2 Answers  

---

WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT

0 Answers   APGenco,

---

Define sensitivity?

0 Answers  

---

how can we change the phase angle b/w two phase?

2 Answers  

---