When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?

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DEAR SIR, HOW TO CALCULATE WELDING TRANSFORMER CAPACITY IN KW OR KVA (POWER). TWO WELDING TRANSFORMER USED WHAT TYPE OF DG SET CAPACITY LIKE ( 45 KVA OR 62.5 KVA), PLEASE TELL THE WELDING TRANSFORMER RATEINGS. I AM REFINARY (TANKS WELDING) THANKING YOU

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What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

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how to identify the direction flow of electrons in a conductor? if i want to check the sequence in kv lines, is any device is available?

3 Answers  

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what will happen if delta - star , 400V to 6.6KV step up transformer neutral is not grounded, Neutral is not used but transformer is provided with neutral.

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how harmonics are generated due to nonlinear load & how harmonic filters work?

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WHAT IS THE MEANING OG (li = 7 In)

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What are the factors to be considered during the Synchronization?

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In three phase, phase to phase voltage is 440 Volts, but the three phase motors are designed for 415 Volt, 50 hz, why

1 Answers   Shree Ram, Shriram, Sri Ram,

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different between electrical and electronics Engineering????

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What is the basic working principle of Tri vector meter?

5 Answers   TCS,

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why the excitation is necessary to produce the reactive power

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