Answer / saish n kharkar

In case of SF6 CB SF6gas is used as arc quenching medium in.
when CB trip the male-female contact (we can say fix and
moving contact otherwise) gets opened at the same time SF6 gas
at particular pressure enters between the contacts and quench
the arc, also act as a coolant and insulating medium.

We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's

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In Slip ring Induction Motor we use Liquid Rotor Starter for Starter Every Time Liquid Filling we need add Soda Sodium Carbonate or only Distilled water is Enough.

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what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor

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If i switch on a transformer but with no load connected to the secondary path.Is the transformer will burn?

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How stabilizer works??

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selection of conductor in different voltage?

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What is difference between PVC cable & XLPE cable?

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describe the A.C. Generator Testing procedure

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