MCQOPTIONS
Bookmark
Saved Bookmarks
→
Electrical Machines
→
Terms Pertaining Rotating Machines in Electrical Machines
→
Synchronous motor delivers lagging power at _____..
1.
Synchronous motor delivers lagging power at __________
A.
leading pf
B.
lagging pf
C.
zero pf
D.
unity pf
Answer» B. lagging pf
Show Answer
Discussion
No Comment Found
Post Comment
Related MCQs
Switched reluctance motors are basically __________
We can increase the torque of a reluctance synchronous motor if we __________
For the below graph depicting the performance of a synchronous motor, coordinates ‘x’ and ‘y’ are respectively?In the ‘V’ curve shown in the above figure for a synchronous motor, the parameter of x and y coordinates are, respectively.
The operating point for an over excited alternator working near zpf lagging power factor gives ‘A’ as the operating point. Then if the same machine is working as an over excited synchronous motor will give same operating point at __________
In the figure below, the point ‘F’ corresponds to _______ which can be obtained by ________
From the figure shown below for the OCC and SCC of a three phase alternator, the point ‘L’ corresponds to _______ and the point ‘A’ can be obtained by _____ the alternator.
Synchronous motor delivers lagging power at __________
The voltage equation of synchronous motor is?a) Ef = Vt + Ia*(ra+jXa)b) Ef = Vt – Ia*(ra+jXa)c) Ef = Vt + Ia*(ra-jXa)d) Ef = Vt – Ia*(ra-jX
Below is the phasor diagram of synchronous generator.If the machine is made to run as synchronous motor, what will be the phasor diagram changes then?
The_operating_point_for_an_over_excited_alternator_working_near_zpf_lagging_power_factor_gives_‘A’_as_the_operating_point._Then_if_the_same_machine_is_working_as_an_over_excited_synchronous_motor_will_give_same_operating_point_at$#
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply