?? how to calculate lighting system ????

1 Answers   L&T, Synergy,

---

what is rotary ups?

2 Answers  

---

what are the differant std sizes of cable trenches?

0 Answers  

---

what is the function of DC panel in substation?

4 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,

---

1.What is the difference between isolators and circuitbreakers? 2.What is bus-bar?

1 Answers  

---

What is a roll of a adopter pannel in buscoupler pannel????

2 Answers  

---

what is meant by impulse voltage?

0 Answers   Masseera,

---

for star delta connection,,why the contactor star not burn,when red,yellow and blue cable is looping.

2 Answers   Mahindra Water Utilities,

---

Why generator is not connecting in delta ..why connecting in star ?

4 Answers   Bhel, Foretec Engineers,

---

how to design the heater in temperature control unit to heat 50KL of water?

0 Answers   SunMax,

---

What is a DC series motor?

0 Answers   Ericsson,

---