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1、Feasibility Research ReportFeasibility Research ReportOf 5 MW On-Grid PV Power System Project in SamoaCEEG2009-8-4Table of Contents1. General introduction1.1 Overview1.2 Solar energy resources and geographical/meteorological conditions1.3 Engineering geology1.4 Task and scale of project1.5 Project d
2、esign 1.6 Technical design1.7 Fire protection1.8 Organization structure design1.9 Engineering management design1.10 Environmental protection and soil/water conservation1.11 Labor safety and industrial hygiene1.12 Engineering budgetary estimate1.13 Energy saving and emission reduction benefits2. The
3、construction conditions of Samoa2.1 Solar radiation condition2.2 Location Term2.2.1 Site Location2.2.2 Construction site conditions2.2.3 Geographical landforms2.2.4 Geology situation2.2.5 Site conclusion2.3 Climate characteristic (provided by customer, need ten-year meteorological data)3. The basic
4、conditions of electric power system in Samoa3.1 Basic conditions of power construction3.2 Supply condition of power system3.3 Demand condition of power system (need balance table of electric power)3.4 The problem of power system3.5 The development plan of power system4. Design of solar photovoltaic
5、power station4.1 Design of solar arrays4.1.1Selection of PV modules4.1.2 The efficiency evaluation of on-grid PV power system 4.1.3 Radiation calculation of the inclined surface of solar array 4.1.4 Series-parallel plan of PV system4.1.5 Layout of PV array4.1.6 Civil engineering design4.2 DC combine
6、r box design with lighting protection for PV array4.3 DC power distribution cabinet design4.4 Selection of PV grid-tie inverter 4.5 AC power distribution cabinet design with lightning protection4.6 AC step-up transformer design4.7 Block diagram of system program4.8 Design of interface to power grid4
7、.9 Program improvements4.10 Construction design4.10.1 Construction condition4.10.2 Transportation of construction4.10.3 Permanent land for construction4.10.4 Main part of construction4.10.5 Installation of PV array4.10.6 Arrangement of construction5. Environmental impact assessment in construction p
8、hase and measurement of emission reduce 6. Public benefits6.1 Promote tourist industry6.2 Create job opportunities 7. Prediction of electricity generation 7.1 Electricity generation in first year7.2 Electricity generation in 25 years8. Investment cost and recovery8.1 Static investment evaluation8.1.
9、1 Project construction cost budget8.1.2 Maintenance fee8.1.3 Total static investment8.2 Revenue of electricity generated8.3 Comparison of static investment and revenue8.4 Recovery of static investment 9. Introduction of CEEG1. General introduction 1.1 OverviewSamoas 5MW on-grid PV demonstration proj
10、ect is located in Polynesia, the southern equatorial region. Its geographical coordinates: 13.82S, 172.01W, the average altitude of 63m. The site is open, flat, easily accessible and convenient. (Specific location can be found in the attached map in Fig.1.1).Fig.1 The location of PV power stationThe
11、 PV power station covers around 100,000 with a length of 563m and a width of 180.5m. According to the analysis of solar energy resources pre-installed requirements and optimized layout, 17,920 280W modules, 998mm (width) 1956mm (length) for each module, will be installed in the 100,000 area. The tot
12、al capacity of PV power station is 5.0176MW and will generate around 7,752,900 kWh each year.1.2 Solar energy resources and geographical/meteorological conditionsAccording to regional solar radiation data and analysis, solar resource in the project site has several features in the following conclusi
13、ons:1.2.1 The project is located in rich solar resource area of SamoaAccording to NASA solar radiation data measured in the past 30 years, the average amount of solar radiation is 6,908.1MJ/m2, the average hours of sunshine are 3,313 hours.1.2.2 Choose the best angle of PV array can effectively incr
14、ease the amount of radiationBased on the NASA database on Samoas radiation with different inclined angle, the optimum for PV panel installation is 18.9. Then the PV panel will receive maximum radiation of 7053.9MJ/m2 throughout the year.1.3 Engineering geologyThe project Site is covered by plant but
15、 no river, lake in the around. The distance to the airport is about 400m and the airport highway in the north. No residents live in the surrounding area, nor does any mining factory. (More information is required to be provided by customers, focused on the geology conditions, which should meet the construction requirement and the effect on construction.)1.4 Task and scale of projectThe location is ideal for PV power plant because of the rich solar resource, conve
