Answer Posted / gopal

un wanted damping frequencies , by switching action by using
filterers

What is meant by vector group

2628

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How to Decide the Location of Earth pit for Compressor in Oil Depo? and How to measure the resistance of earth pit Pls explain me with the help of Circuit Diagram?

2559

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Explain Energy and Power signals?

1816

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any idea abt REVERSE METERING concept.........?

2291

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

2093

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why we can stote dc? why we cant store ac?

2129

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Why do we use center tap transformer that used with portable tools

2308

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

2501

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What are the advantages of hydropower?

1154

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How to decide no. of Step and Kvar for APFC Panel 40 kvar MD: 33.12 KVA Avg pf : 0.8540

1145

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Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

3168

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What are the roles and responsibilities of electrical engineer in cement plant

2082

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how to set the time in digital timer ?

2082

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Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

1427

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What is CCT (Correlated Color Temperature) ?

2009

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