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Q. Briefly explain about Wye-delta transformation?
Certain network configurations cannot be reduced or simplified by series-parallel combinations alone. In some such cases wye-delta (Y- ) transformation can be used to replace three resistors in wye configuration by three resistors in delta configuration, or vice versa, so that the networks are equivalent in so far as the terminals (A, B, C) are concerned, as shown in Figure. For equivalence, it can be shown that
For the simple case when RA = RB = RC = RY, and RAB = RBC = RCA = R , Equations (1) and 2) become
Power Distribution System The Distribution System contains: - Sub-transmission system in voltage ranges from 33 kV to 220 kV. The energy goes from power subs
Consider the following mechanical system: a) Write a differential equation that describes the motion for this system. b) Take the Laplace transform of this equation and
A capacitor is charged to 100 V and then discharged by a 50 kΩ resistor. If the time constant of the circuit is 0.8 s, verify: (a) The value of the capacitor, (b) The time
Q. For the circuit shown in Figure, find the phasor values (with peak magnitudes) of ¯I, ¯V R , ¯V L , and ¯V C by using PSpice.
High Voltage Distribution System or HVDS Adoption of HVDS (High Voltage Distribution System) through converting existing LVDS to HVDS reduces the technical losses appreciably.
Q. Draw and explain diode clipping circuit ? A diode clipping circuit can be used to limit the voltage swing of a signal. Clipper circuits are used to clip a portion of the w
Q. What do you mean by Induction? The essentials for producing an emf bymagneticmeans are electric andmagnetic circuits,mutually interlinked. Figure (a) shows a load (or sink o
Q. Basic working of Star Topology? In Star topology, all user nodes are connected to central node point that interconnects all individual users links and nodes. Data flows from
three reasons why a chamfer shouldn''t be considered an unimportant dimension
Describe the process control instructions STC - It sets the carry flag & does not affect any other flag CLC - it resets the carry flag to zero &does not affect any other fl
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