Answer Posted / vinod sharma
A 100MVA T/F MAY BE COOLED WITH FORCED LUBRICATION FORCED
COOLED. IT MEANS THAT COOLING OIL IS CIRCULATED WITH MOTOR
AND THIS AREA IS COOLED WITH FORCED COOLING FANS.
| Is This Answer Correct ? | 0 Yes | 7 No |
Post New Answer View All Answers
How many capacitors using in LT panel as per Govt rules?
how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???
what type of questions are asked and howmwny questions belong this catagory?
following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?
In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.
by what factor the starting current is used when comparing star and delta connection for motor starting?
what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?
what is the basic construction diffrance between servo motor ans sqiralcage induction motor
How to calulate Locked rotor amper(LRA) for compressor type motors?
how to wiring it with contactor and timer together
Explain how you decide what size of electrical wire do you need?
what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?
What is voltage ratio of a transformer?
any earth foult trip the relay but in welding time not trip by earth foult
how can i get the formula to find out the cable size if i know the load of main fuse protection.
