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what voltage to be select in megger for insulation resistance testing to L.V , H.T cables,motors and transfomer?and ohms valve should be giga ohms only or what?
1 155012.5mva transformer is installed in our company with oltc but it is not working in auto mode ,it is operative in manual mode control wiring is done how can i rectify it?
5 7160how does a current carrying conductor posess a magnetic field. what is the reason for the production of electro magnetic field around the conductor
2 7685How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?
1988can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks
1 4016what is circulating current in parallel transformer???plus how it is generated ???plz explain in detail.........
2 5889suppose if oil in transformer is not used than what constructional change you will do,for insulation and cooling?
ABB,
2 6091EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?
1832Post New Electrical Engineering Questions
how to calculate single phase motor efficiency ?
Why we used 690V in ACS 800 drives.Why dont use standard voltage like 415v or 1.1Kv
what is mean by dry frequency
"TRANSFORMER MODELING AND ANALYSIS" MEANS WHAT AND WHICH TOPICS U READ IN THIS
What types of high speed CMOS circuits have you designed?
Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.
What is meant by a stray loss of a induction motor??? What is the equation to find it
How to calculate the fuse rating depend upon the DC circuit?
why star point of HT motor not earthed?
what is the eight bit unit?
In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?
ratings of lightning arrester
List the power rating of any 5 important electrical appliances used in houses.
Working of microwave oven?
In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?
