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circut diagram

What is the Different between CT Class-0.2 & Class-0.2s ?

3 Answers  

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1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?

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How cable from Kit-Kat to main switch, from starter to motor are designed?

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what are thw types of turbines use in biogas plant?

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how can we detect that which is receiving side and which is sendind end of a trnasmmison line by just seiing it?i.e its which end is coming from genertaing and distribution side?

5 Answers  

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what will happen when reverse reactive power occurs in alternators?

3 Answers   Reliance,

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what is the differnce between vector and phasor? are both same or there is difference between two term.?

6 Answers  

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ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†

1 Answers  

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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?

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What is meant by rotor?

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what is the first step of dg shycroning ?

2 Answers   ABB,

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How to select the proper VSD to operate high inertial load

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