what happen if we supply ac to the field of a alternator?

Answer Posted / satyapal prajapati

if we apply ac to the field of alternator there is no
excitation in the field and diode plate may damage due to
ac supply

Is This Answer Correct ?    0 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >

1436


I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

1740


How REF protects transformer alone? explain with diagram.

1008


Iwould like to know barc interview questions

2646


HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.

1447






Give some differences between open loop and closed loop control systems.

665


how can we save enegry by using VFD for Resiprocating Air compressor which is having more unloading running hours

1787


What is referred to the electron in the outer orbit?

703


Can you explain about TEE protection scheme?

1751


Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1471


compare between starting charactristics of synchronous motor with those of 3Q Squirrel cage induction motor

1270


WHAT IS THE TECHNICAL SPECIFICATION OF C CURVE & D CURVE LEGRAND MAKE MCB

2077


Why a tesa lamp is glow between two phase?

1522


what is the working principle of energy saver control panel. please give the complete calculation & theory.

1827


What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

2387