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A 2200-V, 1000-hp, three-phase, 60-Hz, 16-pole, wye-connected, wound-rotor induction motor is connected to a 2200-V, three-phase, 60-Hz bus that is supplied by synchronous generators. The per-phase equivalent circuit of has the following parameters: R1 = 0.1 = R 2, Xl1 = 0.625 = X l2, and Xm = 20 .Ifthe machine is driven at a speed of 459 r/min to act as a generator of real power, find the rotor current referred to the stator and the real and reactive power outputs of the induction machine.
Q. A 50-kW, 250-V, short-shunt compound generator has the following data: R a = 0.06 , R S = 0.04 , and R f = 125 . Calculate the induced armature voltage at rated load and t
what is couple circuit ?
Problem: (a) Compare the different MAC schemes, namely FDMA, SDMA, TDMA and CDMA. (b) Describe with help of diagrams the different phenomena involved in multipath propaga
In a ferromagnetic material the state of flux density is as follows when external magnetic field is applied to it. (A) Increased (B) Becomes zero (C) Remains unchang
Q. A voice message with W f = 2π(3×10 3 ) rad/s and Wrms = 2π(1 × 10 3 ) rad/s is transmitted over an FM broadcast system with standard emphasis. and compare the improvements due
D Flip Flop As we have seen in the SR flip flop when the inputs S= R are applied the forbidden or indeterminate state occurs. This state can destabilize the SR file flop.
Meter Field Testing - Sealing Points The meter seal should be tamper proof. The consumer should be briefed about seals. The sealing of all metering systems should be completed
block diagram of digital control system and explain each block
a. Describe the meaning of standing wave ratio. What is the formula for it, if the load is purely resistive? Why is a high value of SWR often undesirable? b. Determine how the c
Q. What are the basic operations of MOSFET? The gate to source voltage is set to zero volts by the direct connection from one terminal to the other,and a voltage Vds is applie
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