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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 2862Post New Electrical Engineering Questions
What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.
how to calculation increase power factor for single phase
WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .
What is a differential amplifier? Also, explain cmrr.
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
what is the advantage of connecting capacitors in delta than in star?
Earth has zero potential then what would be the neutral potential ?
How to maintain ac plant?
what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????
Is it true that in the 3 phase transformer, the limbs of the core are at 45 dgrees to each other. if true, why?
1)Explain why the cradle guard is used on railway crossing in overhead line construction?
What will happen if the voltage in my house drops from 220V to any lower voltage?
Define step response?
Why we find the sensitivity for the CT's to check?
what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)
