NGR? What is NGR?

14 Answers  

---

On wat basis TSM & PSM are set? Example.TSM=30% n PSM=2.5A....Hw they are set and how we come to know that the particular relay should be set to this value only?

2 Answers  

---

What are the different types of circuit breakers?

3 Answers   IOCL,

---

can some one clearly explain why -48 volt DC use in telecom site????

0 Answers  

---

DG Earth Value?

0 Answers   Reckitt Benckiser, Vodafone,

---

How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f normally used in Canada is to be operated in Europe on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers  

---

how can we convert 48V dc into 12 V dc? Any standard device for it??

2 Answers  

---

Whis machine is having higher efficiency Transformer or Generator

2 Answers  

---

Is it really necessary to have reactive power in transmission line to transfer the power from one place to other?

3 Answers   Power Grid,

---

How can calculat the lode of transformer?

2 Answers   Maruti Suzuki,

---

why energy storing capacity of magnetic field is much higher than electric field ?

1 Answers  

---

What is miller crystal oscillator? Explain its operation?

0 Answers  

---