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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 per phase.
(a) Determine the voltage regulation at full load with: (i) 0.8 lagging power factor, and (ii) 0.8 leading power factor.
(b) Calculate the power factor forwhich the voltage regulation becomes zero on full load.
Explain Intrinsic Semiconductor. Intrinsic Semiconductor: An extremely pure semiconductor is termed as intrinsic semiconductor. But at absolute zero temperature its valence b
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Q. Principle of Three-phase synchronous machines? In fact, with very few exceptions, three-phase synchronous machines are most commonly used for power generation. In general, t
Q. A sample of iron having a volume of 20 cm is subjected to a magnetizing force varying sinusoidally at a frequency of 400 Hz. The area of the hysteresis loop is found to be 80 cm
Consider the analog averager where x(t) is the input and y(t) is the output. (a) Find the impulse response h(t) of the average. Is this system causal? (b) Let x(t)
Auxiliary Carry Fla - Registers If carry is generated from D 3 to D 4 in the accumulator after any arithmetical or logical operations. Auxiliary carry flag (AC) is set
Calculate the current flow in 30Ω resistor for the circuit in figure using Norton Theorem.
Series-Parallel Magnetic Circuit: Figure shows an electromagnet made of cast steel contain a coil of 500 turns wound on the central limb. The cross-sectional area of the outer
Q. Draw and explain the working of a negative clamping circuit. The clamping network shown above is a negative clamping circuit that will clamp the input signal to a negative d
Whose principle or law states that each point on a wave front may be considered a new wave source? Is it: w) Snell's Law x) Huygen's Principle y) Young's Law z)
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