large flat roof is covered with PV-modules. The system is expected to annually deliver 50 000 kWh/year. The annual irradiation on the horizontal roof is 850 kWh/m2, year. a) How large is the power of the system in kWp required to be? b) The available area is 450m2. Which is the minimum required efficiency of the modules?

large flat roof is covered with PV-modules. The system is expected to annually deliver 50 000 kWh/year. The annual irradiation on the horizontal roof is 850 kWh/m2, year. a) How large is the power of the system in kWp required to be? b) The available area is 450m2. Which is the minimum required efficiency of the modules?

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.31P: Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in...

See similar textbooks

Similar questions

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
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.
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)
Q4. The source current in the circuit shown is in Figure 3a) What impedance should be connected across terminals a,b for maximum average powertransfer?b) What is the average power transferred to the impedance in (a)?c) Assume that the load is restricted to pure resistance. What size resistor connected across a,bwill result in the maximum average power transferred?d) What is the average power transferred to the resistor in (c)?v
Describe and discuss PV Grid-Connected Systems.
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
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
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
Commercially available PV panels today have efficiencies closest to about : A_20% B_50% C_1% D90%
What are the challenges and solutions related to the integration of energy storage systems in power grids? How do they contribute to grid resilience and efficiency?
Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in Figure 2.27. (a) Obtain expressions for P12 and Q12. (b) Determine the maximum power transfer and the condition for it to
How do renewable energy sources, such as wind and solar, impact the operation and planning of power systems?