This is to certify that this project and thesis titled “Grid Connected Solar System Study using HOMER Pro software” was done by the following students under my direct supervision and this work was done by them in the Department of Electrical laboratories and Electronic Engineering under the Faculty of Engineering Bachelor of Science in Electrical and Electronic Engineering. Nazmul Islam ID Fall 2020 & Spring 2021 has been accepted as satisfactory in partial fulfillment of the requirements for the degree of Bachelor of Science in Electrical and Electronic Engineering. Associate Professor, Department of EEE for his dedication in supporting, motivating and guiding us through this project. This project could not have been done without his helpful advice and assistance. Also, thank you very much for giving us the opportunity to choose this project.
The most critical step in creating a solar project model is calculating the load at different times of the year.
Conclusion and Recommendations
List of Tables
List of Figure
List of Abbreviations and Acronyms
Units and Symbols
INTRODUCTION
- Introduction
- Problem statement
- Objectives
- About HOMER Software
- Methodology
- Thesis Outline
If the radiation is too low, the battery will not be able to charge properly. Solve the problem The simplest way is to use a solar system. The improvement of a grid-connected solar system in which complex and sensitive forces fluctuate exponentially with voltage, as well as the implementation of this model in Ideal Power Stream and the analysis of possible effects, is the main focus of this project. It promotes energy balance projections for each of the 8,760 hours of the year. After simulation, HOMER displays all available device configurations that can be used to compare system architecture options.
So our study includes a complete solar system model by using HOMER software and also the cost analysis of this system.
Generation of Electric Energy
- Introduction
- Renewable Energy
- Present Condition of Renewable Energy in Bangladesh
- Future Condition of Renewable Energy in Bangladesh
- Solar Energy
- Hydroelectric Power
- Wind Power
- Geothermal Power
- Biomass Power
- Grid tie Solar System
- Grid tie Solar Electric System
- Solar Panel
- Basic Principal of Solar Panel
- Solar Cell
- Operation of a Photovotaic (PV) Cell Modules
- Array
- DC to AC Converter (Inverter)
- Summary
The term geothermal comes from the fact that the energy source is the earth. Condensation is the name for the water pumped from the injection well into the atmosphere. As the plants decayed, some of the carbon from the CO2 remained trapped in the rotting plants.
When there is a power outage, electricity from the mains can be used to make up the difference. When there is excess energy, it is transmitted to the power grid. When there is not enough power, electricity from the grid will be used to make up the difference. Solar panels (also known as PV panels) are used to transform light from the sun into electricity that can be used to power electrical loads.
Daffodil International University” 14 Pricing of SHS Analysis of the Foreign Market and Bangladesh Market: In foreign market. Daffodil International University” 16 Photons from the sun travel directly into the thin n-type layer to join the p-n junction when light reaches it. Free electrons from the depletion region could quickly move to the n-type side of the junction.
Similarly, the gaps within the decay will quickly revert to the p-type aspect of the junction. As the photons are exposed to light, they emit photons with an energy higher than the band gap energy. The semiconductor's electrons are trapped, creating an electron-hole pair. Until the cell is short-circuited, this current flows within the external circuit. The internal p-n junction diode shunts this current internally until it is open-circuited.
Photovoltaic generation is usually connected to the grid bus via a PWM electrical converter, which generates a switching signal in return with a high-frequency triangular wave, the required sinusoidal output (i.e. the modulated signal or driving signal) (carrier signal).
Utility Grid of Solar System
- Introduction
- Theory of Synchronizing
- Synchronizing Method
- Synchronizing
- Establishing the Second tie
- Synchronizing Measuring Equipment .1 Synchro Scope
- Phtovoltaic Systems Monitoring
- Electric Switchboard
- Distribution Board
- Bus bar
- Electricity Meter
Make sure that the voltages on all sides of the circuit breaker for two components of the electrical power system are identical until it closes. The first situation assumes that the 2 islands are about to be connected using the open circuit breaker as illustrated, since they are independent electrical systems, they can have completely different frequencies, so all three synchronizing variables must be monitored to confirm that they are in. acceptable limits before closing the open circuit breaker. Daffodil International University” 22 magnitude below acceptable limits, voltage control devices (reactors, capacitors, etc.) can be used.
The two opposite synchronizing variables, as seen in Figure 2, must also be tracked. Until the second breaker closes, voltage generation and/or control instrumentation may be used to ensure that the phase angle and voltage magnitude differences are within reasonable limits. A basic synchronizer receives the voltage waveforms from both sides of the open switch (shown in Figure 3). If the voltage waveforms have the same frequency, the synchronizer does not rotate. If the voltage waveforms are at the same frequency, the synchronizer rotates in response to the change in frequency.
The synchronizer needle now points to the voltage phase angle gap. The operator can monitor the "finder" and ensure that the circuit breaker is closed at the correct time if the synchronizer is a manual instrument. The synchronizer is usually located above eye level on a "sync panel". The synch panel also has two voltmeters so that the voltage values can be compared at the same time. A switchboard is a large single panel, frame, or arrangement of panels on which switches, relays, and other instruments are located in accordance with the National Electrical Code (NEC). On the front, back or both, various shielding equipment, buses and instruments are typically placed around current and voltage.
Controls for power supply to the panel, such as AC frequency regulation and load sharing controls, as well as frequency meters and perhaps a synchronizer, could also be present, returning from a generator or bank of electrical generators. switchgear is connected to a bank of busbars, which are flat strips of copper or aluminum. RA distribution board (also known as a panel board) is a part of an electrical distribution system that separates an electrical power supply into sub-circuits and protects them with a circuit breaker or fuse.
Analysis and Simulation
- HOMER Software .1 Methodology
- Optimization Process
- Load Profile
- Solar Energy System
- Simulation Result
- Economic Input Analysis
- Summary
- CHAPTER 5
The need for power in a very small rural village is simply not as strong as in urban areas. At night, the energy demand of the residential unit increases, and electricity is only used by simple electromechanical equipment. In the morning hours, when everyone leaves for training, serving or preparing food, the load decreases.
Since almost half of the family members are out at noon, the loads are the lowest. Collectors convert solar radiation into heat in a fluid, energy storage stores energy when available and supplies it when needed, means to transfer energy from the storage to the load, appropriate pumps, controllers and other components are used. in solar energy systems. Solar power plants on a large scale are located mainly in the southwestern United States.
First and foremost, simulations require models; a model represents the key features or actions of a selected system or process, while a simulation represents the evolution of the model over time. The solar system is an essential component of permanent investments and operating and maintenance costs of the system. Land, infrastructure and related buildings, as well as distribution facilities and material costs are all fixed capital costs in the network.
Salary is also used to cover the burden of the system's fixed operation and maintenance. So, the average system fixed capital cost at this location is BDT 702787, and the system fixed O&M cost for salaries is BDT.
Area of Mawna ,Sreepur,Gazipur,Dhaka
Load Assesment Profile
- Summer Season Load Profile (March to October)
- Winter Season Load Profile (November to February)
Summer total load, 50 houses, Mosqus, School, Market, Other = 722.5 KWh/day Summer peak energy consumption = 722.5 KWh/day. In winter, the energy consumption is half of the summer energy consumption due to the use of one ceiling fan. The winter load accounted for half of the summer load due to the absence of one non-functioning ceiling fan.
The winter peak load of the 50-household system is considered as 5.04 kW and the daily energy consumption as 461.3 kWh/day. Total load in winter, 50 houses, mosque, school, market, others = 461.3 KWh/day Maximum energy consumption in winter = 461.3 KWh/day.
Various Types Of On Grid System Optimization Result for DC Load
5.4 (PV+Converter+Grid) Eenrgy Generation System 5.4.1 System Components Assessment
- Solar Resource Data
- PV (Photovoltaic) array Model
- Power Converter Model
- Simulation Results
- Cost Summary
- Cash Flows
- Monthly Average Electric Production
- Emission
- Summary
Daffodil International University” 37 The PV panel to be produced is DC bus connected to DC and PV, so this current is not converted because the load is DC. Bangladesh is very good for the purpose of generating electricity from solar radiation, a measure of incoming solar radiation. This has been The location of consider is Sreepur, the industrial city Mawna is large area has been the side of Energy.
For remote electrification commonly used in Solar Generator.Because it is high cost, easy to install and electric operation system.Use for Canadian Solar CSI-400TL-CT (240). There are different selections of solar generators, choose the inappropriate model for this location. This case is 1KW solar generator and the price is taken BDT 48384.62. The minimum load ratio is 30%. A 1kW PV array, a Canadian Solar 325 CS6X-325P display and a 1kW rectifier are the best power system components for our case study.
However, once PV is installed, the maintenance and operating costs become much cheaper than the solar generator system. Various civil constructions, manpower, logistics salaries, necessary permits, administration and government approvals, and other miscellaneous costs are included in the system's fixed capital costs. The monthly distribution of electricity generated in kW by the (PV) and Network is depicted in the graph below.
Between March and October, the solar system is mostly used in conjunction with the grid. In addition, peak loads are faced (PV) and the grid from November to February. Due to the lack of solar radiation in the winter months, we rely on grid generators for most of our electricity.
Conclusion and Recommendations
Conclusion
Recommendations
Future Scopes of the Work
