Answer / jaggannath swami

b for wht u did not clearifed In my opinion BKW means breaking kilowatt. motor run when we stop the motor its produce some heat to use of stopping the motor than this typwe of regenerating the back energy to oppose the motor motion & its closed to stop

why autotransformers are not safe for supplying low voltage from a high voltage source?

5 Answers  

---

If a generator of generating station produces 100MW rated output then what will be the rating of the step-up transformer connected to it?

5 Answers  

---

What is the Maximum Power generation capacity of a Synchronus Machine ??

1 Answers  

---

what are FM 200 systems? why it is useful for electrical systems ?

3 Answers  

---

what is real and reactive power?

2 Answers  

---

How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?

0 Answers   ONGC,

---

What is MS-EXCELL?

0 Answers   NTPC, Siemens,

---

Supose we have one 220v A.C fan.if we provide 220v D.C what will be happen?

13 Answers  

---

Draw the line diagram of diffretial relay connected to transformer?

0 Answers   NTPC,

---

I have a drawing of a wound rotor induction motor for a crane. This crane motor has 5 forward speeds & 5 reverse speed implemented of course with different amount of resistance for each speed setting selected. What has got me scratching around is the fact that 8 of the 10 speed selections switch in uneven (unbalanced) amounts of resistances on each of the 3 connections to the motor's rotor.Can this be possible? I would have assumed this would produce unbalanced rotor currents and therefore vibration in the motor. I would greatly appreciate anyone's comments on this. Many thanks, Confused.

0 Answers  

---

what is speed of light?

8 Answers  

---

WORKING PRINCIPLE OF VACCUM CKT BREAKER ?

2 Answers  

---