What are the applications of the electric motors?

0 Answers  

---

pre arcing time of ehv breaker

0 Answers  

---

What is the Derating factor of power cables when exposed to direct sunlight in (both PVC & XLPE).

1 Answers  

---

how to calulate bearing number of any motor ?

0 Answers   Transfield,

---

If a 1.5V,3W torch light bulb is connected in series with a 15HP/11.19KW,230V single phase motor and the combination is connected against a 230V supply and switched on than what will happen keeping all other parameters as it should be A)the bulb will glow normally B)the bulb will not glow C)the bulb will glow with extra brightness D)the bulb will burn out and if a fuse is connected to the above circuit will something happen to the fuse and what about the single phase motor will it be affected? Please explain with derivation

4 Answers  

---

Need help. 3 phase system. Neutral line arced and melted upon connection of connector with 3 phase power. Why would that happen?

4 Answers  

---

what is meant by substation?

5 Answers  

---

Define cuttoff frequency?

0 Answers  

---

What will happen if the interpoles in case of a generator have opposite polarities to that behind it in the direction of rotation ?

1 Answers  

---

What are the two basic types of transformers?

0 Answers  

---

what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

0 Answers  

---

Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?

2 Answers  

---