Answer Posted / rajan keshri

elecroninc is the branch of science. in which are wire
media are used. it is low effiecient.
Electronic is also branch of scence. and in which
semicounductor are used. and it is highly efficient

what is the clear formula to calculate cable size for a load

2021

---

I WANT BHEL PREVIOUS QUESTION

2423

---

control & auxilary circuits used for circuir breakers

1939

---

if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.

1807

---

calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

3620

---

What is Delta Connection? What is meant by Forward Delta & Reverse Delta & How Will be the Connection in Power Transformers?

2329

---

what kvrah y we need to take the readind of that

2156

---

What does the a,b,c of 95a,95b,95c relays denotes?

2747

---

what is the maximum permissible limit value of leakage current and leakage counter reading to replace lightining arrester?

5176

---

How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?

2940

---

how to determine the inrush current of a transformer

2663

---

What is the function of capacitor in electrical circuits?

1090

---

WHAT IS START TO INDUCTION MOTER IN STAR TO DELTA OF >5HP ?

1912

---

What is PQA???Applications........

2441

---

DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS

2083

---