Suppose that a certain fraction of the power produced by a 350 MW coal plantis offset by wind power. Assume that when the coal plant runs at its constant ratedpower it has an efficiency of 37%, but that when it needs to be ramped up anddown to compensate for the wind power variations its efficiency is reduced byaccording to e=0.37-0.00001p², at what p the efficiency is maximum?Signature Head of Department

Answered: Image /qna-images/answer/138641ea-1006-44d4-a318-879391036e3a.jpg

power it has an efficiency of 37%, but that when it needs to be ramped u down to compensate for the wind power variations its efficiency is reduc according to e=0.37-0.00001p², at what p the efficiency is maximum? Signature Head of Department

power it has an efficiency of 37%, but that when it needs to be ramped u down to compensate for the wind power variations its efficiency is reduc according to e=0.37-0.00001p², at what p the efficiency is maximum? Signature Head of Department

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: Find the efficiency of engine input power is 800 J and ouput powe 400 J

A: Given data : Input power=800 J Output power=400 J Find : Efficiency of engine

Q: How many minimum turbines are required to produce 10000 kW power if: - The KE of the wind is…

Q: power station will run 24 hours a day with 3 operators working 8 hours per day and 5 days in a week.…

Q: A Carnot engine having a 340 x 620 mm bore and stroke operates between 500 degree Celsius and 50…

Q: HW001 A gas is given 76 Calorie of heat and Gas does the 43 J of work in the expansion resulting…

A: Given Data⇒ Heat supplied (Q)=76 cal Work done (W)=43 J

Q: A pump operates at 600 W, the mass flow rate of the liquid is 1 kg/s, at the inlet the fluid is…

A: Given data pump operates at 600 W, the mass flow rate of the liquid is 1 kg/s, at the inlet the…

Q: The fan accelerates the stationary air to 8 ms,The volume flow rate is 9 ms Find the minimum power…

Q: the temperature at which combustion occurs is 776°C, find the max. theoretical efficiency of the…

A: given:T2=200cT1=7760C

Q: find Q ? and Pressure

Q: Perform on quad paper. Let's take a VW Jetta; it can have a turbodiesel with 50 mpg and a 4-cylinder…

A: Solution:

Q: Q2. The bore and stroke of a single cylinder SI engine that operates on a four stroke cycle are 8 cm…

A: (i) Write the formula for the average piston speed. v=2SN60 Here, v is the average piston speed, S…

Q: Find the power which a 2.5 MW natural gas engine can develop at an altitude of 1981.2 meters taking…

Q: Water vapor enters a turbine at 500 °C and 1200 kPa pressure and exits at 300 °C and 200 kPa…

A: Given Data State 1: 1200 kPa, 500°C State 2: 200 kPa, 300°C To=25°C=298 K

Q: 06) A vehicle of total mass 1100 kg has road wheels of effective diameter 0.8 m and attains a speed…

Q: Uke dinensional analyás to derive as epresion for the power develapad by an engine in terms of the…

A: Given: The power of the engine is P. Torque is T and rotational speed is u.

Q: - The maximum thermal efficiency possible for a power cycle operatng botween poF amd eer°F IS !

Q: Write steady flow energy equation and its assumptions.

A: The flow in which thermodynamic properties do not change with respect to time at different locations…

Q: Solar power plant in the south side generates 22 MW output within a 7.2 hrs peak sunlighht. What is…

Q: turbo generator has a combined steam rate of 5.35 kg/kwh at its rated output at 20 MW. The steam is…

A: INTRODUCTION: We will compute the combined heat rate supplied to the turbo generator and the turbo…

Q: Explain the wind turbine its part and function of each parts, how it will convert energy?

A: I have mentioned the part names and pics with the help of Power point (for the better understanding…

Q: Water vapor enters a turbine at 500 °C and 1200 kPa pressure and exits at 300 °C and 200 kPa…

Q: power station will run 24 hours a day with 3 operators working 8 hours per day and 4days in a week.…

A: To find the annual cost.

Q: Briefly explain Morse Test in Heat engine ?

A: In this test, when all the cylinders are running the brake power of the engine is measured by a…

Q: A caM moung wth uelauta 3mis haung mas 30kg Find kineti nergy

A: The kinetic energy of the car is 135 Joule.

Q: b) Find the work done along AB LA(1.1, 2) F=5i+3j + 2k B(3, 2, 4)

A: Given data: The coordinates of the point A is (1,-1,2). The coordinates of the point B is (3,2,-4).…

Q: Four different streams of water enter a mixing chamber, as shown in the figure Each streams is at a…

A: Given data: Four different streams of water, all at 300 kPa pressure and equal flow rate of 1 (kg/s)…

Q: A petrolengine has mechanical efficiency 0.8 and lower calorific value of ispoots 44.2 MJ/kg. The…

A: qm=0.8CV=44.2 MJ/kgbore= 0.06stroke = 0.08N=2000rpmfuel = 8liter/hW=220Nρ=750kg/m3R=400mm or…

Q: The pressure is 800 KPa and the Enthalpy is 3854.5 Kj/Kg. The quality x is Select one: O a. not…

A: Given data: The pressure is P=800 kPa The enthalpy is h=3854.5 kJ/kg

Q: If heat rate is 12x10° kJ/kWh, then efficiency in percentage will be equal to

Q: Q8. Enthalpy is defined sum of kinetic and flow energy (True False). 09. Cyclic process is defined…

Q: determine max. Useful work obtained from the heat source?

A: Given; Initial temperature, T1=900 KHeat given, Q1=1500 KJTemperature reduced, T0=600 KWe have to…

Q: A reversible process in a piston/cylinder is shown in the figure below. Which of the below options…

A: Given data:- A reversible process in a piston/cylinder To find:-Which of the below options are…

Q: A wind turbine receives air at 50kph and receives energy from it then the flowmeter behind it reads…

A: Given Entry velocity, V1 = 50 kph = 13.9 m/s Exit velocity, V2 = 10 kph = 2.8 m/s Find…

Q: Find Ratio of specific heats of CO2 at 825K and NO2 at 825K.

A: To determine:- Ratio of specific heats of CO2 and NO2 at 825 K

Q: A petrol engine has mechanical efficiency 0.8 and lower calorific value of 44.2 MJ / kg. The engine…

A: Given Data: Mechanical Efficiency η=0.8 Calorific value C.V=44.2MJkg Bore D=0.06 m stroke L=0.08 m…

Q: etely. Successive blurred Digit show

Q: steam is delivered to an engineturbine at 7mpa at 600 degree celsius,reheat it 1.5 mpa and 600…

Concept explainers

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

Suppose that a certain fraction of the power produced by a 350 MW coal plant
is offset by wind power. Assume that when the coal plant runs at its constant rated
power it has an efficiency of 37%, but that when it needs to be ramped up and
down to compensate for the wind power variations its efficiency is reduced by
according to e=0.37-0.00001p², at what p the efficiency is maximum?
Signature Head of Department

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Important question,solve carefully.
Explain Tidal power plant and Wind power plant?
Solve in 10min please ite urgent
The air entering a compressor with a pressure ratio of 10 at 100kPa at 27°C leaves at 600K. It enters the turbine at a temperature of 1300 K and exits at a temperature of 800 K. Since the power of the gas turbine is 10 MW, b) Find the amount of fluid circulating in the installation. c) Find the adiabatic efficiencies of the gas turbine and the compressor. d) Find net work Note. Assume that the specific heat of heating of the air is constant. cp=1 kj/kgC cv=07181 kj/kgC
solve Correctly urgent.
Find the efficiency of engine Input power-1000 J Ouput power-200 J
I need the answer as soon as possible
Please, complete solution with given. thank you. Thermodynamics
A. 3.) A central station has annual factors as follows; Load Factor 58.5%; Plant Capacity factor 40.9%; Plant Use Factor 45.2%. The reserve carried over and above the peak load is 8900kW. Find the installed capacity in kW
Q A Solar water heating System connected to 250 kg water- energy storage tank has UA equal 12 2 and is located in aroom that is at a constant temperature 20c where the load is 20 MJ, the final temp storage tank is not exceeding to 98e, the intial temp. is use Find the required energy delivered to storage tank take ( st=1) 2. Calculate the number of collectors if the efficiency of the collector is yo% the dimensions of the Collector is (100 cm * 75cm) and the total globle radiation is 6.6 Kwh/m² .
A wind generator rotates at 17 rpm on the rotor (the part with the blades). It is a direct drive (meaning the rotor connects directly to the generator). The generator is 86% efficient and produces 3.1 MW. What is the torque on the rotor?
A cortain diesel engine consume 100 liters for 262.5 kw - hr produced. ,echanical efficiency is 80% and generator efficiency is 93%. if the fuel oil used has a gravity of 25 apl. find the thermal efficiency based on indicated power