Answer Posted / ramesh

IN dc motor they used to give supply to coils as ac current and in the dc generator they used to collect the current adthe ac.

what is the safty of poly phase tranformer?

2064

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What is the difference between Droop vs Isoch Control?

2368

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Describe the test procedure to determine the vector group

2067

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I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?

1831

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What is the diffrence (Technical & Construction ) between CBCT & Normal CT?

1971

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

2155

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in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?

2105

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how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

1754

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Damping resistor provided in open delta (tartiary) winding of a measuring PT at the incoming of a MV inverter drive panel is getting heated up. Can any body explain the reasons and suggest the remedy?

2988

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i want wipro vlsi placement pattern please send me

1720

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Show the schematic arrangement of diesel power station layout and give its principle of operation.

2982

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what is Fault level? why it is calculated? how will u decide same for our plant?

1985

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What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?

2364

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A low wet bulb temperature indicates

1100

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v/f drive basic princeple

2418

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