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Switching characteristics during turn on
A positive gate pulse between gate and cathodeis sufficient to turn on a thyrisotr. In this period thyristor changes its state from forward off blocking state to on state and starts conduction. Time is turn on time of a thyristor which can be divided into three intervals.
a.Delay time (td)
b.Rise time (tr) and
c.Spread time ( ts)
Cycloconverter Scherbius Drive In this drive instead of dual controlled used in link scherbius drive one phase controlled line commutated cyclconverter is used. This
aliasing with message spectrum and two frequency shifted replica and remedies to combat aliasing
A three-phase, wye-connected, cylindrical-rotor synchronous generator rated at 10 kVA and 230 V has a synchronous reactance of 1.5per phase and an armature resistance of 0.5 pe
Q. Draw a neat circuit of Colpitt's oscillator using an n-p-n transistor. Give its equivalent circuit obtain expressions for (i) frequency of oscillation and(ii) minimum gain for s
a) State the principle of working of transformer. b) A 230/110 V, single-phase transformer takes an input of 350 volt-amperes at no load while working at rated voltage. The core
What are the advantages of wired-AND connection of digital IC
Q. Explain about Capital stock? Capital stock illustrates the amount of the owners' investment in the corporation.
Q. Draw the circuit of a two stage RC coupled amplifier?
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A power company is developing an upgrade to an existing power plant and needs to make a requirements decision with respect to the maximum power output capacity for the upgrade. Thi
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