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An area of an interconnected 60-Hz power system has three turbine-generator units rated 200, 300, and 500 MVA. The regulation constants of the units are 0.03, 0.04, and 0.06 per unit, respectively, based on their ratings. Each unit is initially operating at one-half its own rating when the load suddenly decreases by 150 MW.
Determine (a) the unit area frequency response characteristic β on a 100-MVA base, (b) the steady-state increase in area frequency, and (c) the MW decrease in mechanical power output of each turbine.
Assume that the reference power setting of each turbine-governor remains constant. Neglect losses and the dependence of load on frequency.
1. (TCO 1) The magnitude frequency response of a filter is usually graphed in decibels versus frequency using which of the following equations?
What was the historical scope of telecommunications?
Derive at least four concept designs to satisfy the given specification. Use short written descriptions and simple sketches to illustrate your ideas and what other information would be required to be able to write a more complet..
Outriggers A and B are used to stabilize the crane from overturning when lifting large loads. If the load to be lifted is 3 Mg, determine the maximum boom angle ? so that the crane does not overturn.
Assuming that the initial state of the shift register shown in Figure is 100 (i.e.,Q0 = 1, Q1 = 0, and Q2 = 0), find the successive states. After how many shifts does the register return to the starting state?
Analyze a drier that reduces the moisture content of bentonite from 11% (bone dry basis) to 4% bdb. Assume the plant processes 100 tons/day is a gas fired rotary kiln (8 ft ID x 120 ft long).
Calculate required output by a single excavator appropriate to this production and select an appropriate machine - Calculate cycle times for trucks.
Discuss some ethical issues faced in engineering design. Provide some examples from our text book and/or the internet and present ideas to resolve those issues
The coefficient of permeability is 410 gpd/ft2 and the radius of influence of the well at that discharge is 3500 ft. Determine and plot the drawdown curve for the well.
The opjective of the assignment is to design an Eco-optimised container for fizzy drinks using an eco-design tool (CES). Select three different container types and formulate a product specification. Explain and show the different design ..
Hydraulic Lift II The piston of a hydraulic automobile lift is 0.30 m in diameter. What gauge pressure, in Pascal's, is required to lift a car with a mass of 1200 kg? Also express this pressure in atmospheres.
Your business uses all hubs. Users complain about slow network access. Write a business case memo to the owner justifying the purchase of switches to replace the hubs. Please follow submission and Rubric metric to a tee or do not bother for a "handsh..
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