MCQOPTIONS
Bookmark
Saved Bookmarks
→
Electric Drives
→
Slip Energy Recovery in Electric Drives
→
Calculate the string efficiency if the de-rating ..
1.
Calculate the string efficiency if the de-rating factor is .429.
A.
48.1 %
B.
57.1 %
C.
47.8 %
D.
46.5 %
Answer» C. 47.8 %
Show Answer
Discussion
No Comment Found
Post Comment
Related MCQs
Volt-sec balance method is based on the principle of the energy of conservation.
Calculate the pulse number if the supply frequency is 2π and the output frequency is π÷6.
Calculate the output frequency for the six-pulse converter if the supply frequency is 10 Hz.
Calculate the string efficiency if the de-rating factor is .429.
Calculate the circuit turn-off time for Half-wave controlled rectifier for a ω=5 rad/sec for resistive load.
In Half-wave controlled rectifier calculate the average value of the current for 2.5 Ω resistive load if the supply is sin(5.2t) and firing angle is 26°.
In Half-wave uncontrolled rectifier calculate the average value of the current for 3 Ω resistive load if the supply is 34sin(11t).
The conduction period of diode in Half-wave uncontrolled rectifier for resistive load is ______________
In Half-wave uncontrolled rectifier calculate the power dissipation across the 8 Ω resistor if the supply is 29sin(22t).
In Half-wave uncontrolled rectifier calculate the r.m.s value of the voltage if the supply is 89sin(41t).
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply