Answer / shri...

Connected load = 3 Fan (70 watt each approx) + 3 Tube lights (40 Watt each approx)
Load = 330 Watt
Battery back up time 3 Hrs

Required minimum 12V 1 no 120 AH battery

how vfd drives energy save

5 Answers   PowerTech,

---

which supply is used in traction system

3 Answers  

---

WHTA IS LIMT OF LEAKGE CURRENT OF 11 KV 1 CORE 1000SQ.MM. XLPE CABLE.LOAD ON CABLE IS AROUND 600AMP .LENGTH 500 MTRS.

0 Answers   L&T,

---

How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

0 Answers  

---

how CBCT works?

1 Answers  

---

3.7 kw motor ,how much sq mm cabel want to bare this motor load

1 Answers  

---

What is the difference between alternator and generator?

0 Answers   IOCL,

---

Specify the crystal frequency required for an 8085 system to operate at 1.1MHz

1 Answers  

---

Write a note on materials used as a fuse element.

0 Answers   Bhel,

---

what is the difference between squirrel cage & slip ring induction motor by construction & working principle ?

1 Answers   Sail,

---

different aspects of voltage stability

0 Answers  

---

How to calculate Number of Earthing Pits....???

0 Answers  

---