What is d main advantage of using double circuit 3 phase transmission ?


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More Electrical Engineering Interview Questions

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?

0 Answers  


HOW TO FIND THE PRIMARY AND SECONDARY OF TRANSFORMER(IN OFF CONDITION) USING MULTIMETER? IS IT POSSIBLE FIND BY SEEING RESISTANCE???

4 Answers   Areva,


How we check vector group for a Dyn1 transformer?

6 Answers  


what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

0 Answers  


difference between moore and mealy model

2 Answers   Google, IBM, TCS,






What must the distance between two MV cables be when they are laid on tray?

0 Answers  


what is fault level of power system ?

2 Answers   Infosys,


3phase lt motor winding how to checking with megger

1 Answers  


What is difference between incomer & outgoing type Vaccum Circuit Breaker?

2 Answers   VBG,


two TG running in parallel at equal load.one TG CB tripped in reverse power relay.after tripping found its excitation was on & turbine running at rated speed.Please clearify why that TG tripped in reverse power ?

1 Answers   Bhel, Birla,


1.After synchronising the alternator to the grid,how we r delivering power to the grid?if the i/p increases does the speed hence frequency increases? 2.y the power factor is changing when exitation changes?what is the relation with p.f and flux?

4 Answers   BSNL,


what is surge suppressor?

5 Answers   Essar,


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