when we r using 3.5 cable for a bldg. and put laod on each phase using the neutral and neutral is the return paht for the phase so the current of the neutral must be Ir+Ib+iY (return).But the size of the netural is .5 as comper to the phase.

2 Answers  

---

what is the form factor of DC?

6 Answers  

---

what is the uses of C.V.T transformer in switch yard?

4 Answers   L&T,

---

Explain the working of variable frequency transformer?

0 Answers  

---

For testing 33kv cable hipot testing. How much kv we have to Apply .Give in details.

24 Answers  

---

Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?

0 Answers  

---

Generally the incandescent lamps in bathrooms fuse due to high voltage at night.What is the simple solution of this problem?

4 Answers  

---

please let me know , we have installed two separate motor for fire fighting system 1) 60 hp and 2) 15 hp the load is 74 AMPS and 20 AMPS then tell me the main power cable in Aluminum will be what thickness , the length is 225 mt from the main utility to fire pump house

1 Answers  

---

How do ACB are maintenance, what are the problem occurred in ACB

1 Answers   KIML,

---

if i have 5kw,9A,three phase induction motor,if i want to install it 100 meter away from its feeder,how i will culculate cable size for this load.

2 Answers  

---

What is the ratio of true power to apparent power in an ac circuit?

0 Answers  

---

How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.

1 Answers   HAL,

---