How to calculate the motor winding resistance ?
Answer Posted / ramesh ravichandran
in case you want to calculate induction motor winding resistance..
to get accurate value of DC resistance, firstly do block rotor test so winding of the motor get heated up at rated current..
immediately remove AC supply lines and connect DC lines across any two phase and apply 50 percent of the rated current of the IM to get the accurate DC resistance
convert the DC resistance into AC resistance by a factor of 1.2..
Is This Answer Correct ? | 5 Yes | 5 No |
Post New Answer View All Answers
what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)
What is the reason that the humming sound is coming from the induction furnace panel?
What is meant by load angle of an alternator? Upon what factors does the load angle depend?
What are the site acceptance tests for power cables, DG Sets, LT panels & 30kVA UPS ?
hi frds, i m electrical engineer.can i get cdr for electrical engineer if u have then send me on my mail id its jayesh_ee88@yahoo.com.please help me frds
can any tell me why slope 40% and 80% is calculated in differential protection?
Why do we use center tap transformer that used with portable tools
1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor
what r the checklist while installing 500 kva transformer
The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.
hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites
brief notes on ammeters
HOW TO CALCULATE THE VT SIZING?
What is the drawback of class b amplifier?
typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?