Answer / vinodhini

Active power is the useful power which is spent to do work..It is the amount of actual power what we are using to run our application.
Reactive power is used to produce magnetic field......in case of any electromagnetic application.....
Power factor is the cosine of the angle difference between voltage and current.....

Single line diagrams for star to delta and DOL starters.

0 Answers  

---

why neutral is required in electrical system

3 Answers   Bhel,

---

What is the purpose of Rotor earth fault relay and How to test the Rotor earth fault relay in generators and What is the procedure?.

1 Answers  

---

why active power is called as real power or working component.What is the exact function of active, reactive & apperent power.

3 Answers  

---

what effect will 10 milliampere current cause to human body

1 Answers   NPCIL,

---

When we need start the motor by method of star delta which size (KW or HP)motor should must be operate in Star Delta Method,

3 Answers  

---

How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.

0 Answers  

---

basic princple of induction and synchronous motor

1 Answers  

---

how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

0 Answers   Videocon,

---

what is cogging and crawling

2 Answers  

---

Explain cos(theta) and Sin(theta)

0 Answers  

---

Ps Explain YWY,AFWY Type Cable

1 Answers  

---