Why lightning arrester blast in rainy day?

1 Answers   Eco Cement, Mahaveer, MBDL,

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What will happen if we give the 3 phase supply to the rotor of slipring induction motor?

3 Answers  

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why voltage is low at reciving end in summer??

4 Answers   JSW,

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What is the rating of your capacitor bank at your company.

36 Answers   Ajnara Group, Amara Raja, Amol Electricals, Apollo, ATC, Bhagiradha Chemicals & Industries, Bharat, CBRE, Cisco, Government, JLL, MEIL, Reliance, Sterling, TNEB Tamil Nadu Electricity Board, Torrent Pharma, Victory,

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what is voltage gradient?

8 Answers   Bhel,

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IS diode and blocking diode are the same?..what is meant by blocking diode

1 Answers  

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Why you are switching off arc protection mcb when you are taking shutdown for lv board.

0 Answers   KSEB, L&T, Siemens,

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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  

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What is the function of Fuel and Oil filter in DG.

3 Answers  

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which protection function should measure RMS value of current&DFT value of current?

0 Answers  

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what is the difference between ACTIVE POWER and REACTIVE POWER.I WANT CLEAR ANSEWER.

8 Answers  

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what is Fan Control Cubicle

0 Answers  

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