IF I USED VVVF DRIVE IN FAN APPLICATION MOTOR IN 6.6 KV ( 700 KW) MOTOR & DURING NORMAL RUN OPERATION TIME IF RPM SUDDENLY REDUCE IN MOTOR BY DRIVE(E. MOTOR RPM REDUCE SUDENLY 687 TO 550 RPM) WAHT WILL BE HAPPEND IN DRIVE
1 2203Post New Electrical Engineering Questions
Which standard we are following earthing resistance test
I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.
what will happen if earth of 33 kv cable (earthed system) is not connected to earthing pit?
How can we calculate cable size in Low voltage & high voltage
Classify drilling machines.
1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?
What types of high speed CMOS circuits have you designed?
how load of a turbo generator can be increased
WRITEDOWN FEW RELY CODES
Name of the relay of low lub oil presuure in DG sets
What is the actual meaning of thermal power efficiency ?
what is distribution board?
Differentiate between kirchhoff’s first law and kirchhoff’s second law?
HOW DO YOU CAN CHECK A 15KV DIODE, WHETHER IT IS OK OR NOT?
Transformer cores are laminated in order to A simplify its construction B minimize eddy current loss C reduce cost D reduce hysterisis loss
