Lab - Grid-Tied PV System Design Instruction (2)

Describe and discuss PV Grid-Connected Systems.

Consider Two same size series connected PV modules,each with the specification as Po=100W, Voc= 24.5V and Isc=5A.then choose the correct Statement Refer to this PV Panel. a.The output power from this panel is 100W , the Voltage is 24.5V and the current is 10A b.The output power from this panel is 200W , the Voltage is 24.5V and the current is 10A c.The output power from this panel is 200W , the Voltage is 49V and the current is 5A d.The output power from this panel is 200W , the Voltage is 49V and the current is 10AClear my choice

Explain the performance of PV cell with a neat equivalent circuit diagram.

Discuss typical structure of the modern electrical grid. Include all elements and provide short description of their role in the system

Identify the characteristics of AC and DC voltage. Runs at a higher temperature Answer 1Choose...DCAC More dangerous to transfer Answer 2Choose...DCAC Easy to produce Answer 3Choose...DCAC Easier to transform voltages Answer 4Choose...DCAC Voltage remains at a constant value Answer 5Choose...DCAC Cheaper to produce

Consider Two same size Parallel connected PV modules,each with the specification as Po=100W, Voc= 24.5V and Isc=5A.then choose the correct Statement Refer to this connection. a. The output power and voltage from this panel is Po=50W,Voc= 24.5V b. The output power and voltagefrom this panel is  Po=200W,Voc= 24.5V c. The output power and voltage from this panel is Po=200W,Voc= 49.0V d. The output power and voltage from this panel is Po=100W,Voc= 24.5V

b) What are the advantages and disadvantages of solar PV cell combined connection?

9. Discuss the merits and demerits of a standalone PV system and a grid connected PV system by comparing the two systems. Write the functions of important components of each.

Discuss the challenges of Renewable Energy

Basic Electrical EngineeringDraw symbols of electrical components. Note: You may use both IEC and NEMA symbols. - Conductors crossing but not connected- Conductors crossing and connected - DC source other than battery- DC generator- AC voltage source- Ideal current source- Ideal Voltage Source- Current Controlled Current Source- Current Controlled Voltage Source- Voltage Controlled Current Source - Voltage Controlled Voltage Source

(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

Discuss briefly the importance of renewable energy.

Distributed Solar (PV) is preferred in on-grid system as it: a. Has negligible environmental impact b. Need low maintenance costs. c. Environment friendly d. All e. None

Illustrate a simple drawing plan of  an installation layout of solar panel.

Hot-spot effect in PV strings is advantage to PV efficiency. Select one: a. True. b. False.

What is Photovoltaics (PV)? What are the advantages and disadvantages of using solar energy? How does weather affect PV module output?

hi pleasee help me answer this question

What does the term FACTS mean in the use of power electronics in Smart Networks using appropriate diagrams and giving an example of a typical FACTS controller. Smart Grids use wireless and wired communication techniques – explain the operation of each with the use of appropriate diagrams and the advantages/disadvantages of each.

Why in high voltage system, we prefer direct or small resistance?       How to define the classes of load? Why we should to do such classification??(find answer from website)   what are the main load curves of the power system? What is the maximum load utilization hours?     What are the applications of load curve and annual load curve in the design and operation of power system? (find answer from website)

Question : Explain the concepts of lattice matched hetero-structure. Don’t copy other works. Sub:Optoelectronic  Dept: EEE

1. Draw the voltage phasor diagram to explain the principle of :a) The dark lamp method.b) The bright lamp method.And hence deduce the maximum voltage across each pair of lamps.

Subject: Business process reengineering c) What is the benefit of spidar diagram & where it use explain with example?

Explain the relationships between PV cells, modules, panels, and arrays.

There are 144 fuel cells are joined in a series through interconnects.there will be 4 stacks having 36 cell in each stack.these stacks are then oragnised in series and parallel combination to form a single module to deliver required voltage and output power.this SOFCs module then combined with CHP system to get thermal . From this data answer the following questions. a)Calculate voltage losses of module?.this question is very compulsory. b)Electrical efficiency of module? C)Thermal efficiency when module combine with CHP system? D)Combined electrical and thermal efficiency? The input parameters of single cell are given below: Ocv=1.020 Current density=2250mA/cm2 Power density=850mw/cm2 Cell active area= 121cm2 Net power=15kw System fuel utilization=80% Operating temp=550°c Cell voltage=0.8v Power of single cell=103 watt.

As shown in Figure, Erycner and Kuscu proposed a hybrid transpired solar chimney consisting of solar panels and transpired solar collectors. A prototype for this category has been constructed at Trakya University in Edirne-Turkey in 2018. The characterizes of the plant are; • Chimney height is 55 m, Solar Collector diameter is 30 m Solar energy conversion efficiency into electricity by chimney turbine is 20% • PV array area occupation 40% from solar collector area. PV module, V max 12 v, I max 4 A and Voc = 14 v, I sc = 5 A According to this information. Find at solar radiation 1000 w/ m² 1- Plant electrical generated 2- PV array efficiency 3- PV, Fill factor Glass Panel PV Panel

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.

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.

Draw a simple block diagram for a 24V stand-alone residential PV system powering both DC and AC loads. Show PV array, inverter, battery bank, charge controller, and AC & DC loads. Show PV array modules wired together as 2 series and 4 parallel (2s x 4p) and show their polarity (+ and – terminals) charging a lead-acid battery bank wired 2s x 8p. Show all major components and conductor polarities. For overcurrent devices and disconnects in the appropriate conductor you can simplify in the appropriate leg and show and as a small combined block labeled:

An RLC series circuit connected to a 110 – volt and 50 – cycle AC source, contains the following series resistances and reactances: R1 = 10 ohm, R2 = 15, R3 = 5 ohms, XL1 = 20 ohms, XL2 = 25 ohms, XC = 40 ohms. Find the following: a.) EQUIVALENT REACTANCE b.) TOTAL IMPEDANCE c.) VOLTAGE DROP ACROSS THE CAPACITOR d.) TOTAL INDUCTANCE IN MILLIHENRY e.) TOTAL CURRENT f.) REACTIVE POWER g.) REAL POWER DRAW THE PHASOR DIAGRAM IF POSSIBLE AND ROUND OFF TO FOUR DECIMAL PLACES

5. Explain the environmental impacts of Solar power plant

1. Define E-I characteristics of a solar module.2. Explain the use of potentiometer in this experiment. 3. Define photovoltaic effect.

3. Fast help needed to answer this Engineeing question. Check image.   Postive feedback for right answer :)

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.

Explore the concept of smart grids and their impact on modern power system management.