Answer / gurusaran

The objective is to protect SCR against high dV/dt.The
protection is called as Snubber Circuit.It is a series
combination of resistor 'R' and capacitor 'C'.The capacitor
'C' is used to limit the dv/dt across the SCR.The resistor 'R'
is used to limit high discharging current through the SCR.

Answer / x

Limit to noise generate

how to decide the ratings of the MCCB,MCB in electrification.give me the proper thumb rule or procedure.

0 Answers   ABB,

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Explain marx circuit.

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Why are the cores of large transformers built up of circular transactions ?

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what is the voltage of insulation megger that should be used for measuring the resitance of 66kv equipments.

3 Answers   DEWA,

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where is core-type and shell-type construction suitable for transformers ?

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what are inherent currents?

0 Answers   Sail,

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What is fault level? How can be calculate the fault level?

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Why silica gel use?

1 Answers   PWD,

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how much earthings are mendatory at a 25kva sub station?

3 Answers   Bhel,

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what is the function of choke in tube

1 Answers  

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