This thesis paper is submitted to Daffodil International University of Bangladesh in fractional satisfaction of the requirements at the level of Bachelor of Science in Electrical and Electronics Engineering. Session: Spring 2021 has been awarded as fractional satisfaction of the requirements for the level of Bachelor of Science in Electrical and Electronics Engineering. This is submitted to Daffodil International University in partial fulfillment of the requirement for the degree of B.Sc.
Daffodil International University (DIU), for his supervision, constant encouragement and valuable advice and guidance during the course of the work. A system that is connected to the utility grid can be called a grid-connected solar inverter system. In this thesis we will discuss about grid connection solar inverter and in addition we will show a model for this title.
We know that in our home we use AC current [depending on Bangladesh]. In Bangladesh, electronic equipment is perfect for alternating current, so the main line is alternating current. In this solar inverter, which uses a full-wave inverter topology, direct current is converted to alternating current.
In addition, this document will give you an idea about the design and simulation of the inverter in RETscreen software.
General thought 7
Foundation and Motivation 7
Therefore, we need to analyze more and find alternatives such as solar panel, wind turbine, etc. Microgrids are limited scale transformations of aggregated power systems where more limited size generators have flown and maintainable power resources like solar panels, wind turbines and energy storage. Microgrids are limited scale transformations of aggregated power systems where more limited size generators flow and maintainable power sources such as solar panels, wind turbines and energy storage.
Introduction 9
Renewable energy 9
Wind power or wind energy is the use of wind to provide mechanical force through wind turbines to convert electrical generators for electrical power. To continuously receive electricity from a wind plant, the generator is arranged to charge the batteries. When the blades are turned on the turbine by the flowing water, the shape is converted into mechanical energy.
Biomass is an unrestricted common substance and can join natural material derived from living or actually living natural elements, similar to wood, waste and alcohol fillers. Wood energy is obtained both from extracted wood and fuel, and from random effects of wood. High-temperature geothermal energy is from atomic power generated and supplied on Earth.
The geothermal trend, which is the differential in temperature between the planet's focal point and its surface, drives a reliable conduction of nuclear power as heat from the center to the surface. The modifier geothermal starts from the Greek roots geo, which means earth, and canteen, which means heat. Solar located energy is excellent light and heat from the Sun that is handled using a degree of continuously creating developments such as daylight based heating, solar cells, solar based nuclear power, solar based design, liquid salt power plants and fake.
Solar energy 15
Solar panel 16
Solar cell 16
The maintenance of light, which makes either electron gap sets or expressions 2. The pack of charge carriers of reversed kinds. The customer enters the topographical extent of the company site area in degrees estimated from the equator. The extent of the nearest climate area can be pasted on the bookkeeping page from the web climate data set.
The declination is the awkward situation of the sun oriented early afternoon, relative to the plane of the equator. The sun-driven hour point is equivalent to zero on the sun-based early afternoon and fluctuates at 15 degrees per hour relative to the sunlight-based early afternoon. multiple times 15 equals 75, with a negative sign because it is morning). The twilight hour point ωs is the sun-based hour point that refers to the time when the sun sets. The inner rate of return IRR is the markdown rate that causes the net present value (NPV) of the job to be zero.
Where N is the project life, and Cn is the cash flow for years. The pre-tax cash flows are used to calculate the pre-tax IRR, while the after-tax cash flows are used to calculate the after-tax IRR. It is determined as a proportion of the present value of annual income (pay and additional reserve funds) minus annual expenditure for the task value. The client enters the expansion rate (%), which is the extended annual normal rate of swelling over the existence of the task.
The client enters the debt ratio (%). This is the ratio of debt to the amount of debt to the value of a task. The customer enters the debt interest expense (%), which is the annual rate of income paid to the debt holder at the end of each extended period of the debt term. The model determines the repayments of the obligations, that is, the amount of principal and interest paid annually to cover the obligation.
The total annual savings addresses the annual reserve funds recognized as a result of the performance of the business. The energy creation cost is chosen as the monetary marker and the range considered is ± 25% for each of the limits. The median of the financial indicator is the 50th percentile of the 500 characteristics produced by the Monte Carlo reproduction.
The model calculates the "Minimum within the confidence level, which is the bottom furthest of the safety range within which the monetary pointer is likely to fall. The model calculates the "Minimum within the confidence level, which is the maximum furthest of the safety range within. as the monetary pointer is likely to fall. The effect diagram shows the overall commitment of the vulnerability in each critical limit to the variability of the monetary pointer.
This histogram gives an acquisition of the potential qualities of the monetary pointer coming from the Monte Carlo reproduction.
Photovoltaic module 17
Introduction 18
Study area 19
Data location 20
Latitude of project location 21
Ranges north of the equator are entered as certain characteristics and ranges south of the equator are entered as deplorable characteristics. In the event that the client knows the extent of the enterprise area, this value must be entered in the accounting page by overwriting the stuck value.
Mathematical expression 21
In the situation where the client selects "Customer Characterized" under "PV Module Type", the client enters the temperature coefficient of the PV module. Now the screen showing me a level two analysis which is the capacitor factor is being calculated based on inputs describing the type and orientation of the solar panel as well as various loss factors. If the PV display is mounted on a correct design, the client can select "Fixed". The remaining decisions can be selected if the PV display is mounted on a tracker. At level 2 is the upper part of the energy page, where the orientation of the PV panels is specified as fixed.
The azimuth refers to the geographic direction at the front of the array faces by clicking on the word azimuth so we can see its details. For fixed clusters, equal to the slope of the roof on which the photovoltaic exhibition will be introduced: this does not really correspond to an ideal in terms of energy creation, but could fundamentally reduce establishment costs by eliminating the need for an auxiliary structure, or perhaps more attractive from style point of view. GWPCO2, GWPCH4 and GWPN2O are the global warming potential for CO2, CH4 and N2O, η is the fuel conversion efficiency, and; λ is the.
In function of the information entered by the customer, monetary indicators are given for the enterprise under consideration, determining the basic data that work with the measure of assessment of the task for the organizers and leaders. The direct SP of payback is the number of years it takes for the income (installments excluding the liability) to grow to the full venture (which is equal to the amount of the liability plus the value). The net present value NPV of a task is the value of all future income, discounted at the discount rate, in present money.
The energy creation cost is the omission of the cost of energy that brings the net present value to nothing. The model establishes the annual life cycle investment funds (ALCS), which are the equalized apparent annual investment funds with the same life span and net present value as the task. The customer enters the discount rate (%), which is the rate used to discount future incomes together to get their present value.
The debt ratio reflects the monetary impact created for a task; the higher the debt ratio, the greater the monetary impact. The customer enters the term of the debt (year), which is the number of years during which the debt is repaid. Operating maintenance 7 (O&M) costs are the sum of the annual costs that must be incurred to operate and continue the power framework, in excess of the O&M cost required by the base case power framework.
The median will regularly be close to the monetary value as determined in the Financial overview worksheet. The information boundary at the top (Y-hub) contributes the most to the fluctuation of the monetary marker, while the information boundary at the base contributes the least.
