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A 150MW alternator generates an open-circut line-t0-line voltage of 12kV at nomial DC excitiation. When the terminals are placed in short-circuit the resulting current per phase is 8000A.
a) If the excitation voltage E0 is equal to the terminla voltage ( 4kV ), what is the maximum real power which the motor can deliver without losing synchronism b) What is the rotor pole shift
1. Determine the minimum value of gain K when Gc(s)=K, so that the steady-state effect of a unit step disturbance Td(s)=1/s is less than or equal to 5% of the unit step (y(inf)=0.05). 2. Determine w
A 2000kW synchronous motor operates at a three - phase line-to-line voltage of 4kV. It has a synchronous reactance of 4 ohms per phase. Calculate a) The nominal full load current of the machine when
Consider unsteady diffusion across a membrane of thickness L. Initially, the concentration of solute in the membrane is zero. At time zero, the concentration at x=0 is raised to C0 and the concentra
discuss the differences between FET and BJT transistors. What are the advantages and disadvantages of each kind of transistor What are types of transistors do you know about
Consider a discrete-time linear time-invariant system with impulse response h[n]. If the input x[n] is a periodic sequence with period N (i.e., if x[n]=x[n+N]), show that the output y[n] is also per
The HL pair of 8085 microprocessor is loaded with 0505 H. The HL Pair is decremented to 000 H. Which flag will be affected (A)Z flag (B)C flag (C)No flag is affected (D)P flag 1.In a 8-bit Microcomput
For a person with a hematocrit of 0.45, the arterial blood has an oxygen partial pressure of 100 mmHg. (1) What is the concentration of dissolved oxygen in the blood (2) How does your answer in (1)
During the cyber security activity conducted in class by Renee Etoty, you were asked to identify systems that were conducting or experiencing cyber attacks. You will use the data provided during thi
1. There are 4 main classes of network topologies, what are they 2. In communications over a network, protocols are required. What is the framework or reference model that makes this possible
Design a 300W PFC BL-Zeta converter operating in DCM (Output Inductor) to maintain a DC link voltage of 100V with percentage ripple of 4%. The permitted ripple in the input side inductor and interme
Get digital still images and video sequences from the Internet, as needed. You can use color and/or gray-scale images. 2. Implement intra-frame DPCM . Start with a linear quantizer in the initial i
The speed of a 10HP, 230V, 1200 rpm separately excited DC motor is controlled by a 1-phase full-wave bridge converter. The rated armature current of the motor is 10 A. The armature resistance is 0.2
Two data streams are coming serially to a system. These two streams are carefully observed and if considering any three bits from each stream, we observe that these two input streams are equal ; the
Explain the difference between hard-decision and soft-decision decoding in partial response signaling, including the relative advantages and disadvantages of each.
1.)Using the SR0 instruction write the vbc1 assembly code that displays the One-Hot counter from left to right. 2.)Write the VBC1 assembly code that resembles the following behavior
The memory unit, 2M x 32, is specified by the number of words times the number of bits per word. How many address lines and input-output data lines are needed And give the number of bytes stored in
The contects of a six-bit register are initially 100101. The register is shifted four times to the right, with the serial input being 1101. What are the contents of the register after each shift
A digital system has a clock generator that produces pulses at a frequency of 16 MHz. Design a circuit (draw the logic diagram) that provides a clock with a cycle time of 250 ns.
b)what is the total power in the signal the power in the DC portion of the signal and the power in the time-varying portion of the signal c) write the equation for and sketch the power spectral
The message signal x(t), in the following system has a nabdwidth of 10kHz. The center frequecy of the Narrow Band Frequency Modulated (NBFM) signal nbfm(f) is 1Mhz, the frequency deviation f1=1khz a
We represent this by a non-overlapping sequence detector. In other words, asa soon as you detect the sequence, you will need to get another complete sequence to unlock. Therefore, you need to carefu
If there is two AC currents in a circuit and both have different angular velocity, is there a way to analyze the circuit by finding an equivalent angular velocity between the two currents and superp