DEAR ALL
I have motors ( 10 units )each one is 90kw 380V 50 HZ 1000rpm
but new local pwer is 220v 60 hz
requierd rpm should be 1000
pleas what the beast solution is used frequncy converter or
rewinding all motos or chang all motors
thanks
Answer Posted / k m sarafuzzaman
We Have to instolation A step up transfarmer.
| Is This Answer Correct ? | 1 Yes | 5 No |
Post New Answer View All Answers
Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere
What is a single phase autotransformer?
How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors
explain with diagram how to protect transformers and substations from over current with help of CT's?
how the B-H loop obtain under the static condition
When will you multiply and devide with derating factors to the actual value while sizing the cable?
Whats the minimum value for I.R. that can be allowed for HT & LT alternators for operation?
calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.
What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?
How to apply 'c' license and also explain what is difference between 'c' and 'b'license.i am also working in one of the private company.i have finished my diploma in 2014 .i have already finished in ITI electrician course.....
difference between ac series and parallel circuit
Why dry type cast resin transformers tap link blast in HV side while power shut down times on load?
WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO
Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.
What is Diff btw Fire Alarm & VESDA System???