US_Canada_lab_1

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. Decide on the required number of wind turbines needed. 2. In your own words, explain what the Betz limit for wind turbines means.

What follows is a numeric fill in the blank question with 3 blanks. Figure 1 shows the three phases V-t graph in Turkey. Please write the indicated values with their units in boxes and Voltage - time function of each phase in table below. Please write the units in the second box. 1= _______________ V 2=  ________________ms 3=  _______________ms

___________ is an Area on a device characteristic where the ratio between applied voltage and resulting current is constant.

Suppose the current in this circuit is I = -35 A. The voltage drop across each circuit element is as given in the table below. From this information, determine, for each of these circuit elements, (i) whether an active or passive sign convention is being used for that element, (ii) whether that element is absorbing or producing a net (positive) amount of electrical power. In each answer box within the table below, type the correct choice from among the bold-faced words above. - A A B C A + с B + V₂ Circuit element Voltage drop Sign convention? Absorbing or producing net electrical power? -5 V -6 V 1 V -

The is the distance from-1 the centre of one slot to the centre of .the next slot a) coil span O b) pole pitch O c) slot pitch O

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

1.1 PV modules can be wired together in an array using ______ connections to increase voltage. a. Terminating b. Series c. Parallel d. AC 1.2 A PV module, also called a solar panel, is comprised of individual photovoltaic _______ wired and mounted together as an integrated unit. a. Capsules b. Compartments c. Chips d. Cells   1.3 A __________ system uses a storage system that stores the generated electricity so it can provide during times when the system’s panels are not receiving solar energy. a. Direct coupled b. Self regulating c. Charge controlled d. Indirectly connected   1. 4 __________ energy may have the potential to supply all of the world's energy needs, but at this time, it provides a very small percentage. a. Coal b. Natural Gas c. Diesel d. Solar

After MOV AL, 0BCH           DAA                                                AL=______________

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

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

Question 6 B  Thevenin’s Theorem RL what VTH RTH Full explain this question very fast solution sent me step by step Not:- Text typing work only and Don't ignore any part all part work u

17- The electromechanical breakdown depend on the type of the dielectric between two electrodes a- Right. b- Wrong 18- Basic Insulation Level (BIL) is related to the design consideration of the electric device, while Basic protection (BPL) level is related to protection level of the that device. a Right. Wrong. b- 19- As the voltage regulation increased, receiving end voltage will be reduced. Right. b- Wrong 20- We can be using Solar power generation field as a power factor and voltage profile enhancement in Distribution system. (aRight. b- Wrong. 21- From the general electrostatic theories, the field strength at breakdown is given by: a Eb = V/ do =0.6 [Y/ (€ o Er) ] 0.5. b- Eb V/ do = 0.6 [Y / (€ 0/Er )] 0.5. C- Eb V/ do = 0.6 [ Y/(Eo Er) 20.05. d- Eb V/ do = 0.6 [ Y/ (Eo Er) 10.5. 22- Consider plane electrodes with a solid insulator between them. Find the electric field strength at breakdown, if Young's modulus = 10000 (V.F/m2). and the relative permittivity is (36000 TT). If the…

An LED is a solid-state device. When connected to a dc source, the _________ in the LED __________ together, creating __________.

Calculate the assigned values in the circuits below.       E2 = ________            E3 = _________          E6 = _________          E9 = _________ E11 = ________           E13 = _________         RT = ________            R6 = __________ IT = _________           I5   = __________        I7 = _________           I10 = __________ PT = ________

If an electrical system operates at a potential higher than 600 volts, the nonmetallic conduit must be encased in at least_of concrete. A. 1 inch B. 2 inches C. 4 inches D. 6 inches

Eae = 17.10 V  , Edh = 11.44 V ( use this as the theoretical values ) Eae = _______ V Edh = _______ V Vab = _______ V Iab = _______ A Vbc = _______ V Ibc = _______ A Vcd = _______ V Icd = _______ A Vbf = _______ V Ibf = _______ A Vcg = _______ V Icg = _______ A

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

12: text ______________ power plants can change water level and wild life. a. Wave b. Fuel c. Hydro d. Thermal 13: Wind energy is available all the time throughout the year. Select one: True False

Pls help me answer this . DC Voltage has ______ polarity

6. Ferrous metal raceways or enclosures are made with _______ content.A. brass or aluminumB. steel or brassC. aluminum or ironD. iron or steel

In which of the following wind energy conversion system, guy wire may be required? O a. Vertical axis wind turbines Ob. Horizontal axis wind turbines O c. Up wind turbines O d. Down wind turbines

In the figure, the ideal batteries have emfs ℰ1 = 25.0 V and ℰ2 = 0.500ℰ1, and the resistances are each 2.14 Ω. (a) What is the current in resistor 2? ______________A(b) What is the current in resistor 3? ______________A (please show the units when working through the problem so that I can follow it easier)

A cone meter rod 2 cm diameter is drawn until its resistance is 100 times the initialresistance. Its length afterward is _________.

To answer the question, type your answers in RED or paste the image of your handwriting solution   Given the circuit #1 presented above, answer the following questions:   Determine the value of the VD (voltage forward of the LED) for the LEDs RED, VDRED, GREEN, VDGREEN and BLUE, VDBLUE, when the current through the LEDs is 10mA,   VDRED = ____________ ; VDGREEN = ____________ ; VDBLUE = ____________   Is the LED in Circuit #1, connected in the way that will be lighting up or not – Justify your answer   Type your answer here     Calculate the value of the resistance Rled in Circuit #1, to ensure that a RED LED will have a current of 10 mA Type your answer here or paste the image of your handwriting solution here     Calculate the value of the resistance Rled in Circuit #1, to ensure that a GREEN LED will have a current of 10 mA Type your answer here or paste the image of your handwriting solution here     Calculate the value of the resistance Rled in Circuit #1, to ensure that…

What is airside in an airport? and What are the components of the airside? * Your answer

10) In a temperature measurement system, measured value is obtained as 74.8°C when the temperature input is given as 171.1°C .The absolute accuracy will be_____________________. 0.44 1.29 -0.56 -0.29

QUESTION 2: What is the approximate voltage amplitude and frequency of the waveform below

6.a. Extreme _______ may cause some nonmetallic conduits to become brittle and therefore moresusceptible to damage from physical contact.A. coldB. corrosionC. voltageD. heat6.b. Snap switches are permitted to be grouped or ganged in an enclosure provided the voltage between theadjacent snap switches does not exceed ___ V.A. 400B. 300C. 200D. 100