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1. Outline the characteristics of the semi-invariant method in probabilistic load flow.
2. What are the factors that influence the errors of probabilistic load flow?
3. What are the factors that influence the calculation speed of probabilistic load flow?
4. Design and realize the calculation process shown in formula (3-124) when k0 is uncertain
A three phase, 25-hp, 440-V, 60-Hz, 1750 rpm, wound-rotor induction motor has the following equivalent circuit parameters: R1=0.20 ohms, X1=1.0 ohms, R2=0.15 ohms, X2=0.8 ohms, Xm=30 ohms. The motor is connected to a three phase, 440-V, 60-Hz supply.
The data sheet of a quad two-input AND gate (type 74S08) specifies the propagation delay and power supply parameters as VCC = 5.0 V (typical), ICCH (for all four gates) = 18 mA, ICCL (for all four gates) = 32 mA, tpLH= 4.5 ns and tpHL = 5.0 ns. De..
An analog voice signal that can vary over the range 0-50 mA is digitized bysampling it at 8 kHz. The first four sample values are 10, 21, 36, and 16 mA. Write the corresponding digital signal (a string of 1 and 0 bits) by using a 4-bit representat..
Design a switch mode PWM DC-DC converter for the speed regulation of the DC motor. (Note: you only need pick up suitable circuit, draw the diagram, define the switching frequency, and discuss the working principle of the converter.)
(Combinational Integer Multiplier) Draw the schematic for a 3-bit com- binational multiplier designed using partial product accumulation. (A,B are 3-bit inputs and S is a 6-bit output.) Use half/full adders in addi- tion to logic gates to build th..
What are some of the possible biases and points of error that may arise in team communication systems and what are the advantages and disadvantages of a transactive memory system (TMS) in a team
In a scanning electron microscope, an electron is accelerated by a static electrode biased with a 12 kV voltage relative to the electron source. Upon bombarding the sample the electron “kick out†photons with specific wavelength.
Why is selecting computer hardware and software for the organization an important management decision? What management, organization, and technology issues should be considered when selecting computer hardware and software?
Use contraction beginning with a 4-bit adder with carry out to design a 4-bit increment-by-2 circuit with carry out that adds the binary value of 0010 to its 4-bit input. The function to be implemented is S=A+0010.
What RF bandwidth is required to send the data using QPSK? If the RRC filters in the transmitter and receiver are replaced with ones that have ? = 0.20, what are the new RF bandwidths in parts (a) and (b)?
We have a 15-V source and a load that absorbs power and requires a current varying between 0 and 100mA. The voltage across the load must remain between 4.7 and 5.0 V for all values of load current. Design a voltage-divider network to supply th..
Determine the charge density induced on the surface, then integrate to find the total surface charge.
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