Answer Posted / kalidass
Initially there is no back emf in motor while starting. If
apply high voltage the motor will draw more current. That
is why the motor always satat with star connection.(low
voltage )
| Is This Answer Correct ? | 8 Yes | 18 No |
Post New Answer View All Answers
What is EMC filter in VVVF Drive ?
A motor running with lenze frequiency inverter stops if I REDUCE SPEED with 25% load.If I run it in High speed and medium speed running smoothly with full load.please help me to solve it.
What is stepper motor. What is its uses?
can we synchronize star system generators with delta system generators?
Pl.brief me any electrical major fault you have rectified.
how to interlock 3 incomer-ACB,1 buscoupler ACB,... pls answer this question and if possible send me the ckt diagram..haifriends2910@gmail.com
HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)
why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?
What is meant by cold loop test in instrument
hi friends this is a newcomer in your community of enthusiastic peoples. i am preparing for SSC (CPWD JUNIOE ENGG EXAM FOR ELECTRICAL) pls guide me on the same how to crack it? PLS LET ME KNOW IS ANYONE THERE WHO PASED IT? CAN I GET THE QUESTION PAPERS OF PREVIOUS EXAMINATIONS?
ht side line to earth voltage
What are steps to be taken while designing of DYN11 distribution transformer to achieve magnetising balance?
Why generation voltage in thermal power plant is between 11kv to 33kv?
how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt
I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...
