In a 3 phase induction motor(without connecting supply) if we rotate its rotor by hand and check resistance of stator winding at motor terminal box its resistance varies why ??

3 Answers   Jindal,

---

why in an electrical lab a bulb connected to supply goes off slowly when the main supply is switched off?

2 Answers  

---

what is the basic principle of the alternator ????

2 Answers  

---

what is linear motor?

2 Answers   Lucas TVS, wbsedcl,

---

In any plant or substation main incommer voltage RY - 415 V,YB - 400 V, BR - 387 V(in commer feed from transformer 11 Kv /0.415 KV) why found voltage differance in each phase? plant have not self power plant it is depend on outsource grid

2 Answers  

---

Can neutral line also be use as a earthting for distribution transformer, or we need separate earthing pit forh the transformer?

1 Answers  

---

Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet

0 Answers   Bindal Papers,

---

Can u tell me the name of books of transformer testing?

6 Answers  

---

WHAT IS MODULATION AND NEED FOR MODULATION ?

1 Answers  

---

Wtat is vaccum currcuit breaker.define with cause of used.and where be use it Devise .

1 Answers  

---

Dear Brother can u tell the proper size selection of cable & the fault level calculation of braker, busbar etc. pls mail me at azeemk30@gmail.com

0 Answers  

---

can i able to get bhel previous exam question paper?

0 Answers   Bhel,

---