Answer / sathya

motor ideal timing some of back emf in motor side.then start the motor bemf will be high after motor reach the speed bemf will be zero.

Answer / mn.krishnamurthy

In Idle Condition of the Motor and there is no back EMF generated in the motor to appose the applied voltage motor will draw very high current with respect to the applied Voltage as per the Ohms law with Low Winding resistance.
Once the Motor starts running it will generate back EMF which will appose the applied Voltage and the Current will draw as the speed Picks up

If i connect aload to phase taken from one transformer and neutral from another what will happen.

2 Answers  

---

Why we are not placing c.B 's btwn generator and transformer.? what happens when generator gets disconnected from transformer when it is running @ full load?

3 Answers   Areva,

---

If one lamp connects between two phases it will glow or not?

0 Answers  

---

What is bushing?

4 Answers  

---

What is the diff. between single compression and double compression gland

0 Answers   ASL,

---

---

How CT & PT ratings are decided for a 11KV or 33KV transmission line?

3 Answers  

---

fuses rated by amperes but not power,why?

3 Answers   Blue Star,

---

100V supply is appllied between 500K Resistance bulb. for 1 kwh energy, how long time the bulb will glow? explain the calculating method.

3 Answers   Bhel,

---

Difference between DOL starter & star Delta Starter? And where the Dol starter used upto how much HP and whereas Star Delta vice versa?

3 Answers  

---

when a hand crancked meggar is used to check most three phase induction motors, how many tests r rquired? Why?

1 Answers  

---

what is the reason for earthing static equipments? why?

3 Answers  

---

How vaccum is formed to create a vaccum interrupter or anything related with vaccum?

6 Answers  

---