Answer Posted / rajendra

objective books are good for preparing
n.t.p.c,sail,ecil,bsnl, exams please send me author name

what is the use of vcb & isolator in substation?

2459

---

How can we increase the capacity of Energy.?

2342

---

Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

2200

---

why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??

2350

---

What is resolver and glass scale in CNC how they work?

2329

---

mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

2023

---

Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

1449

---

how to conduct dc resistance test for rotor of an alternator and how to measure the rotor dc resistance value theoritically?

3346

---

we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

1851

---

What is the physical significant of power factor?

1977

---

in our all power plant have connected in grid and grid voltage and plant voltage is same, but as per as electrical concept the power will transmit from high potential to low potential but here altough same,then how power transmit from power plant to grid.

2383

---

what is the difference b/w absolute encoder and incremental encoder?

2142

---

How does the phase sequence controller works, how it identifies the phases? confirm working principle

2161

---

WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?

2039

---

In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

1947

---