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Q. Three single-phase 100-kVA, 2400:240-V, 60-Hz transformers (each ofwhich has an equivalent series impedance of 0.045+j0.16 referred to its low-voltage side) are connected to form a three phase, 4160:240-V transformer bank, which in turn is connected to a three-phase feeder with an impedance of 0.5 + j1.5 /phase. When the three-phase transformer bank delivers 250 kWat 240Vand 0.866 lagging power factor, determine:
(a) The transformer winding currents.
(b) The sending-end voltage (line to line) at the source.
Direct Tapping and Unmetered Connections Direct Tapping Direct tapping of power by non-customers is widely prevalent. This is mainly in domestic and agricultural categori
Develop and execute a program to analyze the circuit shown in Figure (a), and use PROBE for plotting v C (t).
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with the aid of the diagram explain the following rules that can be used to determine the direction of magnetic fields around a current carrying conductor (1)cork screw rule (2)rig
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Mode1 When the positive pulse from PWM is applied to the transistor Q shown in figure it gets turned on. In this condition current flows through transistor Q and.
Q. A 25-kVA, 2300:230-V, 60-Hz, single-phase transformer has the following parameters: resistance of high-voltage winding 1.5 , resistance of low-voltage winding 0.015 , leakage
Evaluate Phase difference between voltage and current: An inductive coil of reactance 15.7 Ω and resistance 32 Ω is connected in series with a capacitor of reactance 79.5 Ω. T
Consider the circuit shown in Figure in the t -domain as well as in the s-domain. Formulate the s-domain nodal equations and use MATLAB to solve for V A (s) and V B (s).
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