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Answer / eby
Most secure communications through these phases
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Answer / tapasi
wave trap is a instrument used in substations to eleminate
the communication & unwanted waves tranported with the
current. it is generally connected with y & r phase because
the substations r communicate with each other through these
|Is This Answer Correct ?||4 Yes||9 No|
Answer / chinga
becuuse subststions are communicate with each other with y
& r phases only.
|Is This Answer Correct ?||1 Yes||10 No|
what is demagnetising effect & crossmagnetising effect and how it is related to electrical system?is there any more effects are available or only these two??
As we use capacitor bank in 3ph ckt to improve PF, can we use capacitor in single ph domestric use, in house we have Fan,Mixer,electric cooker,iron,tube choke they also lag the system,because it is inductive load. if it is possible to improve PF of single ph system-- if yes- type of capacitor to be used,connection diagram, working in detail. if no-- list it.
How to check VFD outgoing voltage
Why we need to carry out knee point voltage test of current transformer ?
Pl. share your experience about industrial-electronics repair of machine tool.
what is the purpose of using filters in a protective relaying scheme?
what is the full form of FRL (3/20,7/20 EARTH WIRE)..????
why the CT ratio secondary is always divided by 5 for eg( 75/5,80/5,50/5)
why usa use 60hz and 110v?
whats was the problem if neutral and earth got 2volt from the ups output
Why oil preferred over the air as a cooling medium for high rated transformer?
what is power factor? whether it should be high or low? why?