While preparing COPT, if identical generators are available in the system, it will follow rule a. Binomial Distribution b. Loss of Energy Probability O . Deterministic O d. Loss of load probability
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- two synchronous generators are connected in parallel, feeding a load together. the frequency of the first generator in the no-load State is 52 Hz and the slope of the characteristic is 1 MW/Hz. the total power of the load fed by these two generators is 2.5 MW and the power coefficient is 0.6 inductive. by drawing the characteristic curve of the system;a) what is the frequency of the system when the load in question is fed, and how do the two generators share the load between themselvesb) if a load of 0.5 MW is added to the system, find the operating frequency of the new system and the powers given by each generatorc) if a second load of 0.5 MW is connected to the system, the idle operating frequency of the second generator is increased by 0.5 Hz, what happens to the operating frequency of the system and the power values given by the generatorsState True or false a- The DC load flow study is a linear analysis b- In a load frequency control, a generator unit equipped with a governor can be assumed to be a controlled unit.Suppose that the P-Q load is known at each of the nine buses of a small power system and that synchronous generators are connected to buses 1, 2, 5 & 7. For a power-flow study, identify the number of equations to be solved: Select one: O a. 15 b. 13 c. 11 d. None of these Oe. 9
- Problem 1. to. In the problem shown, calculate the Load node regulation. Assume the generator maintains its generation voltage in terminalsProblem 2 Two shunt generators A and B operate in parallel and their load characteristics maybe taken as straight lines. The voltage falls from 240V at no load to 200V at200A, while that of B falls from 245V at no load to 220V at 150A. Determine the bus bar voltage when supplying 66.9KW load. How is the load divided between two generators?Static load flow equation aretype of equations.O QuadraticO Non LinearO RationalO Linear
- Two shunt generators A and B operate in parallel and their load characteristics maybe taken as straight lines. The voltage falls from 240V at no load to 200V at200A, while that of B falls from 245V at no load to 220V at 150A. Determine the bus bar voltage when supplying 66.9KW load. How is the load divided between two generators?2. In the simple system below, draw the V-Q curve for the load bus if P-0. What is the maximum reactive power that can be absorbed by the load if the transmission line is modeled by a pure inductance X? E48 V40 P, Q 3. A) For a synchronous generator, draw the capability curve and operation limits of the generator. B) What are the meanings of under excitation and over excitation modes in a synchronous generator? 4. Draw the basic structure of an SVC. How does it work? What methods can be applied to reduce the harmonics generated by the SVC?(5- when load current Il in creases of DC Shunt generator. a-armature curkent la de creases because of load demand. does not change when load current I-Lincreases. in creases to supply the load demandde
- Load characteristic of DC generator is a graph between Il and Vt. True or FalseIn a short compound generator, the terminal voltage is 230 induced emf tion of this power. field, diverter and arnmature resistances are 92 2, 0.015 2, 0.03 2 and 0. 03 2 respectively. V when generator delivers b) total power generted and 160 A. Determine a) c) distribu- Given that the shunt field, seriesTwo similar 2,500 kW, 3 phase generators operate in parallel. The speed load characteristic of the first generator is such that is no-load frequency of 60.5 Hz drops uniformly to 58.5 Hz at full load, while for generator 2, its no-load frequency of 60.5 Hz drops uniformly to 59 Hz at full load. Determine the kW load of each generator if the combined load is 4,000 kW. a. 1,714.3, 2,285.7 b. 2,015.5, 1,984.5 c. 1,765.5, 2,234.5 d. 2,452, 1,548