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Q. What do you mean by Load factor?
The two components of electric service are demand and energy. Demand is the maximum level of real power which the electric utility must supply to satisfy the load requirements of its customers. Energy is the cumulative use of electric power over a period of time. The demand component of the electric-rate structure represents the capital investment needed by the utility to provide the generation, transmission, and distribution facilities in order to meet the maximum customer demand. The energy component represents the operating costs, which include fuel and maintenance that must be provided to meet the demand requirements over a period of time. The load factor is the ratio of the actual energy usage to the ratedmaximumenergy usage over a given period. A low load factor is indicative of a substantial period during which the capacity of the system is underutilized. Utilities often define load periods in terms of on-peak and off-peak hours. In order to level the demand by diverting a portion of the energy usage from the on-peak to the off-peak periods, economic incentives (such as lower electric rates for the sale of off- peak energy) are generally offered.
Q. A 60-Hz, six-pole, wye-connected, three-phase induction motor, with the parameters R 1 = R 2 = 0.025 and Xl 1 = Xl 2 = 0.125 , is controlled by variable-frequency control
Q. Elucidate the process of inter-register signalling. Ans: Registers are used in common control exchanges to store as well as analyze routing data. They are provided on a
LDA Load Accumulator Direct Instruction This instruction is used to copy data from memory whose address is directly specified in the instruction to th e accumulator. The i
Change the brightness of the most beneficial illuminated LED to represent voltages among the ranges so that if the value is half way among the range then the LED should be 50% brig
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Explain the hysteresis loop of a magnetic material. Hystereses loop-Below the Curie temperature all-ferromagnetic materials show the identified hysteresis in the B (i.e. flux
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Q Acharge of 0.1Cpasses through an electric source of 6 V from its negative to its positive terminals. Find the change in energy received by the charge. Comment onwhether the charg
Define the general purpose embedded system. a. General purpose microprocessor For illustration, Intel 80x86, Motorola 68HCxxx or Sparc b. Embedded general purpose process
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