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Voltages source inverter ( VSI)
A voltage source inverter is a constant voltage source which is having negligible impedance. In these inverters the amplitude of output voltage does not depend on the load but the wave form of load current and its magnitude depends upon the nature of load impedance. The output voltage of VSI can be controlled by changing the power factor of the circuit the frequency of the inverter and the pulse width.
induction motor drives
Q. For a parallel-plate capacitor with plates of area A m 2 and separation d m in air, the capacitance in farads may be computed from the approximate relation Compute the
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The reversibility principle of electrical machines states that an electrical machine can be used to operate either as a motor, converting electrical to mechanical energy, or as a g
Data rates in PSTNs: A voice channel in a PSTN is band limited with a nominal bandwidth of 3.1 kHz. A first-cut estimate of this can be attained from Nyquist's theorem that app
For a 50kW three phase rectifier connected at 415 V to a point of common coupling with a short circuit capacity 500kVA modelled as an inductive source, design filters to make the s
Assume that an abrupt Si p-n junction with area 10-4 cm2 has NA=10 17 /cm 3 and ND=10 17 /cm 3 is working at room temperature. It is given that μ n = 700 cm 2 /v-s, μ P =250 cm
Execution Unit receives program instruction codes and data from BIU, implements these instructions and store the result in general registers.
Q. Show Transformer equivalent circuits? Transformers come in various sizes, from very small, weighing only a few ounces, to very large, weighing hundreds of tons. The ratings
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