Answer / raj kumar

Power Factor is ratio of KW/KVA means it show angle between
current and Voltage.
Ex. When you are looking reading on meter that is 500 KW
AND 560 KVA and Power factor looking 98.0 then u can think
u r using 98% load of kw and u r loosing 2 % load.

Answer / mei

power factor is an cosin angle of voltage & current

Answer / milan bhatt

the ratio between true power & apperent power is called
power factor...

Answer / kannan

Ratio b/w real and
reactive power

can SMPS work in DC supply ?

10 Answers   HCL, IBM, Reliance,

---

why the electric train touches only one conductor n where is the neutral n it will be running 3-phase or 1-phase?

3 Answers  

---

How the oil level of the Buchholz Relay come down.

3 Answers  

---

What is meant by inverse definite mean time (IDMT)& definitemean time (DMT)?

5 Answers  

---

in the exciter the power is feeded from battry or control or whatever.and we need it in the generators for the stating . do we need it in the shutdown also?i mean the exciter>

2 Answers   Shell,

---

what is the differnce between high impedance relay and low impedance relay

4 Answers   Areva,

---

What are the types of TESTS in CIRCUIT BREAKERS based on Testing and commissioning?

2 Answers  

---

The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

1 Answers  

---

why do we prefer a 3-phase delta connected load rather than star connected?

4 Answers  

---

If a Power Transformer Fails and the transformer manufacturer suggest that "Do all electrical test on the transformer?". What are the test to be conducted in this condition?

5 Answers  

---

In some countries it is found that an Earthing Transformer is connected at the LV sides of the Transmission and Distribution Substation Transformers.Actually what is the purpose the Earthing Transformer?

1 Answers  

---

what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors

1 Answers   Lanco,

---