Module2_Lapan_JimmieResearchTopic

3.Question (a) Look up the definition of unit for clothing insulation, called “clo” value. Convert 1.5 clo to a value with an unit in international standard. (b) In the winter, people wear more cloth to keep themselves warm. You have the option of wearing 2 jackets that are 0.3 cm thick or 1 jacket that is 0.6 cm. Assume they are made of the same material and neglect any effect from cloth openings. Which option should you choose to keep you warm? Draw a thermal circuit to help with your discussion.

Answer both the sub parts or else do not attempt the question please

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1/ Suppose that there are two types of H.V.T.Ls operating at the same voltage and carrying the same current, but one of them with smooth shapewhile the other with standard shape. Which of them, you will choose? a. choosing the smooth one. b. choosing the standard one. c. choosing the one with hollow construction shape. d. all these answers are wrong. 2/ As the ambient temperature in crease the disruptive critical voltage of coron a is: a. Decreased b. Increased c. No effect d. All these answers are wrong. 3/ Using HV underground cable improvevoltageprofile and power factor in any loaded inductive electrical grid because. a. Due to its inductive power effect. b. Due to resistive Effect. c. Due to its capacitive power effect. d. All of the above answers are wrong.

Discuss the challenges of Renewable Energy

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A housing estate is being built and the electrical system for each house from a range of 2 to 20-bedroom houses from single floor apartments to 3 storey buildings are on offer throughout the estate. There are commercial buildings to be constructed for shopping purposes as well. What risks exist and what are the components and methods we use to mitigate these risks both at the substation and at the consumer/ residential side. Describe how these would all fit together.

Refer to the figure below in which surge protectors p and q are used to protect an expensive high-definition television. If there is a surge in the voltage, the surge protector reduces it to a safe level. Assume that each surge protector has a 0.94 probability of working correctly when a voltage surge occurs. Complete parts (a) through (c) below. TV Series Configuration Parallal Configuration a lf the two surge protectors are arranged in series, what is the probability that a voltage surge will not damage the television? Do not round.) b. If the two surge protectors are arranged in parallel, what is the probability that a voltage surge will not damage the television? (Do not round.) c. Which arrangement should be used for better protection? O The series arrangment provides better protection because it has a higher probability of protection. O The parallel arangment provides better protection because it has a lower probability of protection. O The series arrangment provides better…

What are the main limiting factors to battery improvements? Why is the infrastructure for battery ‘service and repair’ important for the adoption of new technologies?

The incremental fuel costs, in dollars per megawatthour, for two units in a plant are given by dF dP, dR dP, Select one: = 0.007P, +7 and During a 24-h period the load on each unit varies between 100 MW and 500 MW, whereas the plant output varies from 200 MW to 700 MW. (a) At what power level should unit 2 begin to take on all the additional load for the most economic operation of the plant? (b) What is the power output of the plant at this point? Neglect losses. a. a: 122.22MW. b: 222.22KW b. a: 222.22MW, b: 122.22KW ca: 122.22MW, b: 222.22MW d. a: 222.22MW, b: 122.22MW = 0.009P₂ +6

(Renewable Energy) 1. Compare Wind Energy and Solar Energy with reference to the following parameters a) Site Requirements, b) Working, c) Advantages and Disadvantages, d) Efficiency and e) Cost of Installation and operation

Discussion Questions 1- Draw the important components of a steam power station. 2- What factors are taken into account to select the site of steam power station. 3- State the main parts of a thermal power station, and discuss the function of each part. 4- Draw the important components of a Hydro-Electric power station. 5- What factors are taken into account to select the site of Hydro-Electric power station. 6- Draw the important components of a nuclear power station. 7- What factors are taken into account to select the site of nuclear power station. 8- What do you understand from the load curve and what information are converged by a load curve. 9- Discuss the important points to be taken into consideration while selecting the size and number of units generation. 10- Explain the terms, connected load, load factor, plant use factor, diversity factor.

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. Describe how each renewable energy system could be connected with local energy systems.

answer number 2.write your solution pls.

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q116

66 For which environmental factor(s) can the expected dc current of a PV array be accurately calculated using the module nameplate current value? Irradiance Irradiance and temperature Change in temperature D Wind speed 67 Which PV system component ovides performance analysis information? A Inverter B Irradiance meter Service meter D Charge controller 68 What is the MOST common maintenance issue for low-tilt PV arrays in dry climates? Corrosion Loose connections Shattered glass D Soiling 69 What is the OSHA-regulated MAXIMUM distance to an eyewash station when working on flooded lead-acid batteries? 10 ft. 15 ft. C 20 ft. 25 ft.

Watch the video "Can 100% renewable energy power the world?" by Federico Rosei and Renzo Rosei. Write the important points that you have learned from the video.

A suspension string has 3 units. Each unit can withstand a maximum peak voltage 11kB. The capacitance of each joint and metalwork 20 % of the each disc. Fin the (a) maximum line voltage for which the string can be used. (b) String efficiency.

why do you think renewable energy sources are important?

Find the total resistance in Rbd

Discuss briefly the importance of renewable energy.

Please please answer the question I want more information about digital wattmeter Identify, how to work, advantage and disadvantage....like that

5. Explain the environmental impacts of Solar power plant

Mr. Kleppin, As you know, my company has supplied the energy needs of the entire state since 1968! I can’t believe they are demanding that we reduce our emissions! This will force us to pass on the increase in the cost to our customers! Thankfully, the government will be providing a subsidy to offset these costs! The current subsidy is $500 per pound of pollution reduction each day. I have spoken to the engineering department regarding the cost to reduce emissions. They informed me that the daily cost to us is a fixed daily cost of $100 in addition to $30 times the square of the quantity of pounds of pollution reduced each day. Currently, I would like to reduce emissions by 10 pounds of pollutant per day. At this level, what is our marginal cost of reducing emissions to 10 pounds of pollutant per day? With the government subsidy, what would be our net cost for reducing emissions by 10 pounds of pollutant per day? The government would like us to reduce emissions by 20 pounds of…

What is the importance of determining the solar constant? Why is there a need to assess the available solar resource in a household/community, especially inestablishing a solar project?   answer in short and dont copy...

A typical exterior masonry wall of a house, shownin the accompanying figure, consists of the items in theaccompanying table. Assume an inside room temperature of 68F and an outside air temperature of 10F,with an exposed area of 150 ft2. Calculate the heat lossthrough the wall.

"I require the expert solution for electrical machines, handwritten with supporting evidence, either in the form of a diagram or an equation. Please and thank you."

The levelised cost of electricity (LCOE) is often used to compare the costs of electricity production from different types of electricity generation plant. Carefully describe the significance of the LCOE and give one advantage and one disadvantage of using this metric to compare plants.

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Determine the following for solar PV power system referred to the data given below. (Assume the efficiency of the solar system =15%) No of PV Modules = 8 Area of each solar cell is =0.3 m2 No of cells in one module = 20 Insolation value =1050 W/m2 Connection scheme = all Modules are connected in Paralel. a. Total output voltage and output power of system. b. Total output current of the system. c. Calculate the output power of the system if any one of the module gets damaged.

1. Why is the infrastructure for battery 'service and repair' important for the adoption of new technologies. 2. Read further about 'new 'types of battery and suggest some of their advantages and disadvantages. 3. What are the main limiting factors to battery improvements?

A string of suspension insulators consists of three units. The capacitance between each link pin and earth is one-sixth of the self-capacitance of each unit. If the maximum voltage per unit is not to exceed 35 kV, determine the maximum voltage that the string can withstand. Also calculate the string efficiency. [84-7 kV; 80-67%]