Answer Posted / tauseef tarique, engineer(e)

kV (Kilo Watt) is the unit of measurement of electrical
power. While kV is the unit of measurement of voltage
(potential difference).
for the three phase supply
kW= 1.732xVxIxcos phi
where V= Voltage
I= Current
Cos phi= power factor

For single phase supply
kW= VxIx cos phi

Why delta star trformers are used for lighting loads?

1171

---

What is VSCF windelectrical system?

1892

---

Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?

1134

---

Damping resistor provided in open delta (tartiary) winding of a measuring PT at the incoming of a MV inverter drive panel is getting heated up. Can any body explain the reasons and suggest the remedy?

3032

---

how we design a pannel to start 10HP motor with the help of star delta starter?

2212

---

Define thermal resistance in the context of power amplifier.

1119

---

Dear sir, iam completed iti ncvt electrician 2000-2002 & diploma electrical eng completed 2008-2010 distance education in rvd university, still i got B licences only but my working company want C licences, how to i get c licencese pls reply me iam in critical situation thank you karthick 9841637803

1679

---

What about electrical Units. discrive in detail

2084

---

What will happen if i replace a inductive proximity switch with photo sensor in a machine?

1816

---

ROC converges if poles and zeros lie inside a. Origion b. Z=1

2245

---

What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx

2892

---

with help of neat sketch explain principle of TIG welding process

1952

---

a starter used for squirrel cage induction motor?

1680

---

In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above

2232

---

132/66kv sub-station procation ?

2251

---