Answer / dinesh

% impedance indicate the potential to decrease the fault
level in system by that eqipment. % impedance values msotly
occur in between 2 to 20 %

can we use inductor in case of d.c.,if yes then what will happen in circuit

3 Answers   JSW,

---

How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.

0 Answers  

---

If we have 15000kw connected load in a factory than how much power demand sanction should be taken from electricity board. Pls provide complete calculation.

3 Answers  

---

Why corona leads to production of Ozone and glow of the color VOILET?

0 Answers  

---

what is tertiary winding in transformer?What is its purpose?

18 Answers   Bhel,

---

As we use capacitior bank in 3ph ckt for improvement of PF, why not we use capacitor in single phase domestric use, at our house their are many inductive equipments,like fan,mixer,tube choke,air conditioner they also draw PF... by using capacitor can they improve PF. if yes--what are advantage and how to connect a capactor in single ph,and which type of capacitor if no- what are disadvantages.

0 Answers  

---

how to calculate diesel consumption of a D.G.Set?

4 Answers  

---

can we charge 3 ph power transformer delta-star wound with neutral grounded 6.6kV/415V from secondary side(415V) but with primary(6.6kV) open by dg,what are the disadvantages or losses.

1 Answers  

---

What is harmonics and how the 1st,2nd,3rd etc harmonic levels

2 Answers  

---

lead acid battery electrolity?

2 Answers  

---

WHAT IS THE CONDITION FOR OPERATING DIFFERENTIAL RELAY IN POWER TRANSFORMER & WHERE IS NEUTRAL CT PLACED IN TRANSFORMER

2 Answers  

---

pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )

0 Answers   Bhel, IBM,

---