Hw twister

The data for a wind turbine is given below:  Wind speed = 14 meters/sec, Length of blade = 10 meter Refer to the above wind turbine choose the correct statement a. The wind rotor swept area is 40square meters. b. The wind rotor swept area is 314 square meters. c. The wind rotor swept area is 31.4 square meters. d. The wind rotor swept area is 62.4 square meters.

Part 2: Analysis and selection of the Wind Turbine.The team decides at install a 30 MW wind farm. The turbine that has been selected by the local contractor is an Enercon wind turbine. The specifications of all the available Enercon wind turbine is shown in the attached datasheet. 1. What are the two closed loop control systems that are used generally in wind turbines? How do they work? 2. Calculate the power density of the input power from the wind when the wind is blowing at the rated wind speed at the turbine height. Clearly show your steps in details.

Schedule of Loads and Basic Calculation — Create a tabulated load schedule of your home.

With the aid of well labeled diagrams, explain the principle of operation of: a. a pyranometer. b. a wind turbine, from resource to electrical power

NOTES: solve by using computer line.

Write short note on the below mentioned questions, Each question carries one mark. Students has to answer the questions typewritten in the word (.docx) format. Figures / Diagrams, equations and solving of problems should be written by hand. Take a picture of it and attach it inside the word file. a) High Voltages are preferred for Transmission of Electricity. Why? b) Why Generation Voltage Levels are low in the range of 11 kV/ 33 kV etc? C) Why ACSR Conductors are preferred over Copper Conductors? d) Overhead Transmission Lines are preferred for Transmission of Power for Long Distances, why? e) Alternating Current is preferred over Direct Current in Power System, Why? f) Write the Installed Generation Capacity of Sultanate of Oman with current energy share of Conventional and Non-Conventional Energy Sources. g) Why the Capacitance effect is neglected in Short Transmission Line. h) Distinguish between Lumped or Distributed elements in a Transmission Line.

The system having ±0.5% of F.S.D if the full scale deflection is 50 units, then accuracy is _____ a. ±0.25 b. ±1 c. ±0 d. ±0.5

Is Microwave Oven an open loop or closed loop system? Write the reason for your answer. For the Microwave Oven system, draw a simple block diagram with the name of input, output and control system used

4. a) Explain the issues to be considered in the location of wind energy systems. b) Draw the block diagram of the variable speed wind energy system and explain it briefly. please write it with computer thanks alot .

A company is producing a certain type of circuit breaker. The fixed cost is (450 000$), and the variable cost is (33$) per unit. The number of units that need to be sold to break even is 37500 units. Find the selling price (b) .per unit

subject : Electrical engineering

7.a. Photoelectric eye alignment is typically a PM task for a(n)A. electrician.B. lubricator.C. machine operator.D. mechanic.7.b. Mean time before failure describesA. how long it will take between failures at your plant.B. how long before one component in a group will fail.C. how a failure will occur on a component that’s inside a machine.D. the amount of time a component will last when it’s heavily loaded.7.c. Under an ISO 9000 program, which one of the following employees is responsible for checkingcompleted work to make sure it has been performed to company specifications?A. The maintenance general managerB. The PM program administratorC. A shop foremanD. A maintenance technician

question 4 and 5 from picture. 4) Disadvantages of SMART GRIDs. 5) Recent Government policies in Canada in regard to Smart Grids. I have create power presentation file so please write according to presentation and give me some pictures regarding smart grid will help a lot. reference for pictures required . thank you so much

With schematic diagram, explain the Wind Power Plant.

Estimate the length of conduit to perform the next bends. EMT will be bend using a hand bender. Provide your answer in inches (just the number) using up to 2 decimals. The picture shows two panels connected by a back-to-back 23.5" stubs EMT 3/4" 6.25 ft P

How do I calculate that step by step?

Please answer the two questions, and in the other picture are the drawing we had made. (Which are the schematic symbol(types) of electrical loads, switches, resistors, logic gates, and diodes. Questions: 1.) Describe how lines and symbols best represent the components or devices. 2.) Enumerate the technique/s you applied in order to draw and remember the name and basic function of each schematic symbol.

D.a. Which one of the following PM programs is usually the largest for a typical manufacturing facility?A. LubricationB. ElectronicC. ElectricalD. MechanicalD.b. The true purpose of uptime inspection PM is toA. keep the PM staff working during low maintenance periods.B. locate problems that occur on a random basis.C. supplement the lubrication PMs in looking for dry bearings and other lubrication problems.D. look for common recurring problems in equipment. D.c. When machines fail shortly after they’ve been built and installed, the failures are termedA. singularity failures.B. independent component failures.C. short-term failures.D. infant mortality failures.

Explain briefly about the the circuit diagram and explanation of the analysis of equations.

a) A ___ is an individual wires from machine to machine, with many different wiring patterns in use. b)  The ____ results in a material that can supply additional electrons to the materials or creates “holes” in the material crystal properties. c) Electromagnet produces magnetic field when supplied with voltage. Select one: True False

a) Write down and prove DeMorgan's theorem. b) Remove the following complements using DeMorgan's theorems. ______________________           _________________                   _____________ P+ Q + (C+D.E').  (F+G)

A load of 120 MW at a power factor of 0.65 lagging can be delivered by a 3-phase transmission line. The voltage at the receiving end is to be maintained at 63 kV and the loss in the transmission is 6 % of the power delivered. (Consider the line to be a short transmission line) Find Single phase Power delivered Per phase voltage Current flowing through the transmission line 3 Phase Losses in the transmission line Per phase resistance of the transmission line

What are the causes of short circuits? What are the effects of short circuit in to electrical appliances, gadgets and other electrical devices and equipments?

Identify the types of batteries used in thefollowing products:a. a laptop computerb. an electric shaverc. a cordless drilld. a camcordere. a cellular phonef. a flashlightg. a wristwatchh. a camera

Predictive maintenance is to be applied to an industrial conveying system.a) Discuss and illustrate the difference between reactive, preventative, and predictive maintenance.b)  Describe several of the techniques that could be used to develop a predictive maintenance system for the conveyor system. Consider some  of the  sensing techniques  that might be used and what parameters might be measured to detect component degradation.c)  If the predictive maintenance system described in b) detects that the conveyor system is vibrating abnormally, discuss what condition this could indicate and what maintenance might be required.

Can you finish the Background including a synopsis of the relevant information of this this example "electrical maintenance and repair" And please cite an article or paraphrase of author. Thank you! The electrical wiring and electrical devices in the houses that are installed may have failure so the inspection is designed to definitely perform the clear capabilities. These electrical devices are...