Answer Posted / priyadharisini

3 nos of CT/PT required

Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

1755

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is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

953

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In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.

3396

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We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.

1463

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how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

1372

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Write the force balance equation of ideal dashpot element.

844

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what is meant by IGBT how they differ from tyristor ?

1930

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Is there any specialised book to refer about fault level calculation both in MV and LV side??

1565

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previous year paper of ntpc bhel for degree in electrical enng

2765

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Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?

1413

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Why using synchronising methed in DG's sets?

1725

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what is the differance between HT motors And LT MOTORS.

1537

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What are the types of piano switches?

1441

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Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings

1626

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CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

1204

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