Answer / rajiv mahajan

ac has frequancy. each phase goes maximum ,minimum and zero
in 50 times in a second. if you see ac phase cycle. you
can understand this as this way our alternator each phase
winding is placed at 120 degree.

why transformer rating in kva

6 Answers  

---

what is surge arresters ?........

7 Answers  

---

What is Long rod insulator and it's applications..? merits over the disc insulator ..?

0 Answers  

---

IF i have switchgear with busbar current rating of 1000Amp 35kA then is it necessary to have outgoing breaker kA rating to be equal to busbar kA rating?

6 Answers   L&T,

---

battery capacity use of made?

0 Answers   JLL, Shankar Electricals,

---

---

what is the knee point voltage ? what is differtial rela? what is impedance and % of impedane? what is the postive phase sequance ? negative phase sequane ? and zero sequance impedance ? what is sortcircuit calculaion? why take calculation? define stabilty test ? why? what sentivity test? define merz protection ? what is the burden ? class 5p10, accracy, metering ct take knee point voltage test thet time what heppan why dont take knee point test to metering ct?

0 Answers  

---

WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.

0 Answers  

---

what is 6 pulse and 12 pulse inverter? Explain brifly

2 Answers  

---

how to select a air/vacuum circuit breaker.is there any thumb rule???

1 Answers  

---

what are d/f between cfl and pl lamps,

1 Answers  

---

What is Electrical Engineering?

13 Answers   L&T, NTPC, Wockhardt,

---

what is the purpose of NGR?

25 Answers   Assam Electricals,

---