Answer / raman jain

The Alternator shows small voltage when running on rated
speed and without excitation. This is due to the remanent
magnetization of the core of Alternator. After new winding
and insulation, the remanent magnetization no longer exists
and that is why it does not shows any voltage.
After initial voltage built up it attains the remanent
magnetization again.

What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

0 Answers   XX,

---

1500Ah VRLA battery,if its weight is designed 125kg during maufacturing its weight is reduced to 85kgs,What will be impact on AH capacity,life & economy?

0 Answers   Bajaj,

---

why the Parameters : Base Voltage & Maximum Voltage can't be equal in value in a VFD (Variable Frequency Drive) ? How much the base voltage would be lower than the maximum voltage ? If 400 V is the 3 phase output of a VFD ... then what should be the base voltage ? thanks a lot

1 Answers   Yaskawa,

---

Inductor and capacitor ........ power in one phase and ...... it in another phase. if any body found this gaps answer.please sent me to habib_eu2008@yahoo.com

2 Answers  

---

what are the methods of speed control of dc motor???

4 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,

---

How cable from Kit-Kat to main switch, from starter to motor are designed?

0 Answers  

---

sir, why alternator output is connected to delta side in to generating transformer? any reasion?

3 Answers   Kirloskar,

---

why ht cable end termination don't have a gland?

0 Answers   Private,

---

how to calculate the size of cable tray

3 Answers  

---

Relation between pyramids and electrical technology?

1 Answers  

---

How to calculate the current carrying capacity of sized cables, and there is any formula. please send to 'than.achu@yahoo.com'

1 Answers   Blue Star,

---