can i have the methods of speed controls for 3 phase AC
MOTORS.
Answer Posted / srikanth
Speed of the 3 phase motor can be controlled by Variable
frequency drive. Speed should not be exceeding the rated
RPM of the motor.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what can be the causes of capacitor start motor having a higher current that its actual
A car's starter motor draws a current of 100 A at 12,0 V when starting the engine. The mechanical power required to turn the engine is 960 W. At what rate is energy from the battery converted to non-mechanical forms of energy?
Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?
how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?
How to calculate the volumetric capacity of a oxygen & Nitrogen gas Cylinder if pressure is 145 kg/cm2 & water capacity of cylinder is 67 liters.
What are IR values and what it should be for coil and for insulator
What types of question are done for diploma students in aptitude test
I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing
What are diffrent type of road taxes?
What do you mean by a current transformer?
Two electric lamps 40 W, 220 V each are connected in series across 220 V. What is the power consumed by the connection?
Explain about Dubai electrical sysaem? Explain about Dubai drinking water system? Explain about Dubai Burj tallest building Electrical,Water.etc.. maintenance system?
In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?
For overhead protection we use which transformer?
size of condotory fron voltage level