SlideShare a Scribd company logo
1 of 20
Download to read offline
DESIGN OFF GRID SOLAR SYSTEM
Presented By-
Pindoriya Rajesh M
D15041
Under Guidance By-
Prof. Ramesh Oruganti
IIT Mandi
Contents
Aim of project
Motivation
Introduction: Off-grid solar system
Introduction: On-grid solar system
How the solar system fit together
How to choose all components
Pros and cons of off-grid solar system
Conclusions
 Aim of project:- Day by day the price of solar
panels falls gradually, but still, installation of a
complete off-grid solar system is costly due to
lack of knowledge and information.
 An off grid or stand along solar PV system is
when solar PV system is not connected to the
utility grid and we are producing own electricity
via solar is called off-grid solar system.
 I decided to choose this project on how to get all
the components for our solar system separately
and assemble it all by myself.
Aim of Project & Motivation
Reference: http://carboncycle2.lbl.gov/research/focus-areas/photovoltaic-solar-cells/
Introduction: Off-Grid Solar System
http://brisbanesolarinformation.com.au/
On-Grid Solar System:
 On-grid means solar system is tied to local utility
company’s system.
 On-grid systems are linked with power utilities,
which enable the home to use the power generated
by the solar system as well as power from the local
utility.
 These systems can also feed power back into the
grid during times of low usage and high
production.
 Being grid-tied is beneficial because we don’t have
to buy an expensive battery back-up system to
store any excess energy.
Introduction: On-Grid Solar System
Reference:http://www.leonics.com/system/solar_photovoltaic/solar_grid_tie_system/solar_
grid_tie_system_en.php
Solar Panel
DC Breaker &
Meter
Charge
Controller DC Load
BatteryMeter
DC Breaker
AC Load AC Breaker
Inverter
How the solar system fit together.
For an off-grid solar system we need
four basic components:-
1. Solar Panel (PV Panel)
2. Charge Controller
3. Inverter
4. Battery
Mounting
Solar panels
Inverter
Batteries
Charge controller
Components of Off-Grid
Solar System
Basic Steps to Installation Off-Grid Solar PV System for Our Home
http://brisbanesolarinformation.com.au/
Step 1: Calculate home load (AC+DC loads)
Step 2: Battery Selection
Step 3: Solar Panel Selection
Step 4: Charge Controller Selection
Step 5: Inverter Selection
Step 6: Series and Parallel Connection
Step 7: Mounting the Solar Panel
Electric heater Air conditionerElectric furnaceRefrigerators
Small loads LED lamp LED street lamp
Introduction:
Types of loads
1. Basic Loads
2. Large appliances
3. Special loads
Basic Loads
Large appliances Special Loads
Step 1: Calculate total DC loads
How to convert AC loads to DC loads.
DC loads= AC Loads/Inverter efficiency
Step A: Determine average daily DC load in watt- hours
AC average
daily load
(Wh/day)
Inverter
efficiency
DC average
daily load
Wh/day
Average daily
DC load
Wh/day
2000 /0.92 +100 = 2273
Reference:- www.altestore.com
Leff=
𝑻𝒐𝒕𝒂𝒍 𝑫𝑪 𝒍𝒐𝒂𝒅𝒔
𝑩𝒂𝒕𝒕𝒆𝒓𝒚 𝑽𝒐𝒍𝒕𝒂𝒈𝒆
Battery bank capacity=
𝑳𝒆𝒇𝒇∗𝑫𝒂
𝑫𝑶𝑫∗𝑭𝒕
Where;
Da: Days of autonym,
DOD: Depth of discharge
Ft: temperature function
Leff=
𝟐𝟐𝟕𝟑
𝟐𝟒
= 95.05 Ah/day
Days of Autonomy:
The amount of time (days) the system can operate on battery
power alone with no input from other generation sources (PV,
and generator).
DoD (Depth of discharge):
Measure of maximum capacity to be withdrawn from a battery.
- Common basic sizing guid:50%
- Discharge only 10-20% to maximize battery life
- Inverse to SoC (State of charge)
- 50% DoD= 50% SoC
Step 2: Size of Battery Bank
Step B: Determine battery bank capacity (Ah)
Leff. (Ah/Day) Daily of
autonomy
Battery temp.
multiplier
Discharge
limit
Battery bank
capacity Ah
95.05 *3 days /1.19 /0.50 = 479.245
 The rated capacity is taken to be
specified at 25°C with a C/20
discharge.
 At higher discharge rates, the
capacity will be lower and vice versa.
Step 3: Solar Panel Selection
 Solar panels are generally rated under standard test
conditions (STC): irradiance of 1,000 W/m², solar
spectrum of AM 1.5 and module temperature at 25°C.
 During the 12hr day time the sunlight is not uniform,
and it also differ according to our location on the globe.
 So we can assume 5 hours of effective sunlight which
will generate the rated power.
 So total power output of Panels = 24V * 479.245 Ah = 11
kWh
 Power to be generated per hour = 11000 / 5= 2.2 kW
 A solar charge controller is a device which is placed between a solar panel and a battery.
 It regulates the voltage and current coming from solar panels.
 It is used to maintain the proper charging voltage on the batteries.
 As the input voltage from the solar panel rises, the charge controller regulates the charge to the batteries
preventing any over charging.
Step 4: Charge Controller Selection
Rating of Charge Controller:
 Since our system is rated at 24 V, the charge
controller is also 24 V.
 Current rating = Power output of Panels / Voltage =
2200 W / 24V = 91.67 A
 So choose a Charge Controller of 24 V and more
than 91.67 A.
Step 5: Inverter Selection
Inverter Types
1. Square Wave
2. Modified Sine Wave
3. Pure Sine Wave (SPWM)
 Square wave inverters are the cheapest but not suitable for all appliances.
 Modified Sine Wave output is also not suitable for certain appliances, particularly those with capacitive
and electromagnetic devices such as: a fridge, microwave oven and most kinds of motors.
 Typically modified sine wave inverters work at lower efficiency than pure sine wave inverters.
 Mostly SPWM type inverter use in off grid solar system.
Rating of Inverter
 The power rating should be equal or more than the total load in watt at any instant.
 In our case the maximum load at any instant = A.C. (630 W)+ Refrigerator (530 W) + T.V. (200W) + Fan
(6*80W) + CFL (6*11W) = 2000 W
 By taking some margin we can choose a 2000 W inverter.
 As our system is 24 V we have to select a 24V DC to 230V/50Hz AC pure sine wave inverter.
Step 6: Mounting the Solar Panel
 After designing the solar system, buy all the components with
appropriate rating as per the previous steps.
 Now it is time to mount the solar panel. First choose a suitable location
on the roof top, or on the ground, where there is no obstruction of
sunlight.
 The tilt of the stand is nearly equal to the latitude angle of our location.
 Tilting : To get the most from solar panels, we need to point them in the
direction that captures the maximum sun light, i.e. south if we are in the
northern hemisphere or north if we are in the southern hemisphere.
 We are interested to know how much energy is produced by our
solar panel or how much energy being consumed by our
appliances we have to use energy meters.
 the meter combines accurate 1-phase and 3-phase energy and
power measurements with data logging, power quality analysis,
alarming and I/O capabilities are typically available in such a
compact meter.
 It provides a high degree of visibility to data and assets that
allows for cost savings, rapid response time, and better
decisions.
 Improve operations and profitability of our facility with this
easy-to-install, easy-to-operate meter.
Reference: http://clarkpowerproducts.com/products/metering
Metering and Data logging
Pros Cons
No electricity bills We will need a room to store large solar
batteries and a battery bank
No electric rate hikes You must closely monitor energy usage so you
don’t run out of power.
We will have access to power when grid-reliant
customers face power outages, grid outages and
rolling blackouts.
The high costs of setup and maintenance.
We will reduce our carbon footprint and
decrease our dependence on energy through
more efficient use of power.
We don’t have access to power if weather,
natural disasters or accidents damage or
destroy solar panels or solar system.
Pros and cons of off-grid solar system
Solar Power Now a Reality at Jaipur Railway Station
 Jaipur railway station's rooftop installed
solar panels produced 260 units of
electricity on the maiden day on Friday
(20/05/2016), which was 35 units more
than its daily capacity.
 The operation was inaugurated by the
general manager of North Western
Railways (NWR), Anil Singhal, who said,
"The energy harnessed from the solar
panels will help Jaipur railway station
save Rs 7.2 lakh on power bills, annually.
 projection is to produce 50 kW power in a
year.
http://timesofindia.indiatimes.com/city/jaipur/Solar-power-now-a-reality-at-Jaipur-railway-station
Conclusions
 Solar energy is a resource that is not only sustainable for energy consumption, it is indefinitely renewable.
 Solar panels also require little maintenance; after installation and optimization they are very reliable due to
the fact that they actively create electricity in just a few millimeters.
 Off-grid Solar systems are also a silent producer of energy.
 Off-grid Solar system energy output is maximized when the panel is directly facing the sun. This means
that panels in a fixed location, such as the building above, will see a reduced energy production when the
sun is not at an optimal angle.
 The primary disadvantage of off-grid solar power is that it obviously cannot be created during the night.
 The power generated is also reduced during times of cloud cover
Thanks for your attention
Any Questions????

More Related Content

What's hot

Solar on grid application ppt
Solar on grid application pptSolar on grid application ppt
Solar on grid application pptswati malla
 
Solar photovoltaic system design
Solar photovoltaic system designSolar photovoltaic system design
Solar photovoltaic system designJay Ranvir
 
Grid connected pv solar power plant
Grid connected pv solar power plantGrid connected pv solar power plant
Grid connected pv solar power plantAnujkumar985
 
Photovoltaic Training - Session 1 - Design
Photovoltaic Training - Session 1 - DesignPhotovoltaic Training - Session 1 - Design
Photovoltaic Training - Session 1 - DesignLeonardo ENERGY
 
Grid-connected PV system
Grid-connected PV systemGrid-connected PV system
Grid-connected PV systemRamesh Adhikari
 
Mme solar off grid &on grid solar system -
Mme solar off grid &on grid solar system - Mme solar off grid &on grid solar system -
Mme solar off grid &on grid solar system - mme
 
Ppt on design of solar photovoltaic generation for residential building
Ppt on design of solar photovoltaic generation for residential buildingPpt on design of solar photovoltaic generation for residential building
Ppt on design of solar photovoltaic generation for residential buildingSiya Agarwal
 
Solar PV design and installation
Solar PV design and installationSolar PV design and installation
Solar PV design and installationAYISHA NAZIBA
 
Design Aspect of Standalone PV system
Design Aspect of Standalone PV systemDesign Aspect of Standalone PV system
Design Aspect of Standalone PV systemMalik Sameeullah
 
Solar photovoltaic systems
Solar photovoltaic systemsSolar photovoltaic systems
Solar photovoltaic systemsanish_hercules
 
Solar energy(Renewable source)
Solar energy(Renewable source)Solar energy(Renewable source)
Solar energy(Renewable source)bgoyani3
 

What's hot (20)

Solar on grid application ppt
Solar on grid application pptSolar on grid application ppt
Solar on grid application ppt
 
Solar pv connected to grid
Solar pv connected to gridSolar pv connected to grid
Solar pv connected to grid
 
Solar photovoltaic system design
Solar photovoltaic system designSolar photovoltaic system design
Solar photovoltaic system design
 
Fundamentals of Solar PV System
Fundamentals of Solar PV SystemFundamentals of Solar PV System
Fundamentals of Solar PV System
 
Grid connected pv solar power plant
Grid connected pv solar power plantGrid connected pv solar power plant
Grid connected pv solar power plant
 
Photovoltaic Training - Session 1 - Design
Photovoltaic Training - Session 1 - DesignPhotovoltaic Training - Session 1 - Design
Photovoltaic Training - Session 1 - Design
 
Solar pv systems
Solar pv systemsSolar pv systems
Solar pv systems
 
Grid-connected PV system
Grid-connected PV systemGrid-connected PV system
Grid-connected PV system
 
Solar Power Plant Design and PV Syst
Solar Power Plant Design and PV SystSolar Power Plant Design and PV Syst
Solar Power Plant Design and PV Syst
 
Splar pv
Splar pvSplar pv
Splar pv
 
Mme solar off grid &on grid solar system -
Mme solar off grid &on grid solar system - Mme solar off grid &on grid solar system -
Mme solar off grid &on grid solar system -
 
Ppt on design of solar photovoltaic generation for residential building
Ppt on design of solar photovoltaic generation for residential buildingPpt on design of solar photovoltaic generation for residential building
Ppt on design of solar photovoltaic generation for residential building
 
Solar PV design and installation
Solar PV design and installationSolar PV design and installation
Solar PV design and installation
 
Design Aspect of Standalone PV system
Design Aspect of Standalone PV systemDesign Aspect of Standalone PV system
Design Aspect of Standalone PV system
 
Solar rooftop presentation
Solar rooftop presentationSolar rooftop presentation
Solar rooftop presentation
 
Solar pv
Solar pvSolar pv
Solar pv
 
Solar photovoltaic systems
Solar photovoltaic systemsSolar photovoltaic systems
Solar photovoltaic systems
 
Grid Connected PV Systems
Grid Connected PV SystemsGrid Connected PV Systems
Grid Connected PV Systems
 
Solar energy(Renewable source)
Solar energy(Renewable source)Solar energy(Renewable source)
Solar energy(Renewable source)
 
Solar power plant
Solar power plantSolar power plant
Solar power plant
 

Similar to Design off grid solar PV system

Presentation for Final Year Students about Solar.pptx
Presentation for Final Year Students about Solar.pptxPresentation for Final Year Students about Solar.pptx
Presentation for Final Year Students about Solar.pptxHafizAsimKhayyam
 
How to Design and Install a Solar PV System.docx
How to Design and Install a Solar PV System.docxHow to Design and Install a Solar PV System.docx
How to Design and Install a Solar PV System.docxAlemieAssefa
 
Solar energy conversion and its utilization
Solar energy conversion and its utilizationSolar energy conversion and its utilization
Solar energy conversion and its utilizationIRJET Journal
 
A report on Solar Load Calculation
A report on Solar Load CalculationA report on Solar Load Calculation
A report on Solar Load CalculationMilan Ghimire
 
INDIAN SOLAR ENERGY [Bharat Surya Urja]
INDIAN SOLAR ENERGY [Bharat Surya Urja]INDIAN SOLAR ENERGY [Bharat Surya Urja]
INDIAN SOLAR ENERGY [Bharat Surya Urja]H Janardan Prabhu
 
Session 03 solar pv rooftop technology overview
Session 03   solar pv rooftop technology overviewSession 03   solar pv rooftop technology overview
Session 03 solar pv rooftop technology overviewChirag Jain
 
4_5958416552171670667.ppt
4_5958416552171670667.ppt4_5958416552171670667.ppt
4_5958416552171670667.ppthussenbelew
 
Solar rooftop projects primotech
Solar rooftop projects primotechSolar rooftop projects primotech
Solar rooftop projects primotechvimalranaprimotech
 
mmesolaroff-gridongridsolarsystem-130731040231-phpapp02 (1).pptx
mmesolaroff-gridongridsolarsystem-130731040231-phpapp02 (1).pptxmmesolaroff-gridongridsolarsystem-130731040231-phpapp02 (1).pptx
mmesolaroff-gridongridsolarsystem-130731040231-phpapp02 (1).pptxSourabhNagwanshi3
 
IRJET- Electrical Energy Generation by using Smart Solar Tracking System ...
IRJET-  	  Electrical Energy Generation by using Smart Solar Tracking System ...IRJET-  	  Electrical Energy Generation by using Smart Solar Tracking System ...
IRJET- Electrical Energy Generation by using Smart Solar Tracking System ...IRJET Journal
 
Indian National Solar Mission
Indian National Solar MissionIndian National Solar Mission
Indian National Solar MissionH Janardan Prabhu
 
APznzaY93eF_6ri_3efUfn6fD2sbfnErK5taV4KiQnHxqkQ2nW5FJjYKdnXIoCZ3dmi5YLMWOs_KE...
APznzaY93eF_6ri_3efUfn6fD2sbfnErK5taV4KiQnHxqkQ2nW5FJjYKdnXIoCZ3dmi5YLMWOs_KE...APznzaY93eF_6ri_3efUfn6fD2sbfnErK5taV4KiQnHxqkQ2nW5FJjYKdnXIoCZ3dmi5YLMWOs_KE...
APznzaY93eF_6ri_3efUfn6fD2sbfnErK5taV4KiQnHxqkQ2nW5FJjYKdnXIoCZ3dmi5YLMWOs_KE...theonionrouter
 

Similar to Design off grid solar PV system (20)

Presentation for Final Year Students about Solar.pptx
Presentation for Final Year Students about Solar.pptxPresentation for Final Year Students about Solar.pptx
Presentation for Final Year Students about Solar.pptx
 
How to Design and Install a Solar PV System.docx
How to Design and Install a Solar PV System.docxHow to Design and Install a Solar PV System.docx
How to Design and Install a Solar PV System.docx
 
Ppt semimer
Ppt semimerPpt semimer
Ppt semimer
 
Solar energy conversion and its utilization
Solar energy conversion and its utilizationSolar energy conversion and its utilization
Solar energy conversion and its utilization
 
A report on Solar Load Calculation
A report on Solar Load CalculationA report on Solar Load Calculation
A report on Solar Load Calculation
 
SORALITE POWER
SORALITE POWERSORALITE POWER
SORALITE POWER
 
Solar inverter Selection guide
Solar inverter Selection guideSolar inverter Selection guide
Solar inverter Selection guide
 
Bharat Surya Urja
Bharat Surya UrjaBharat Surya Urja
Bharat Surya Urja
 
INDIAN SOLAR ENERGY [Bharat Surya Urja]
INDIAN SOLAR ENERGY [Bharat Surya Urja]INDIAN SOLAR ENERGY [Bharat Surya Urja]
INDIAN SOLAR ENERGY [Bharat Surya Urja]
 
Session 03 solar pv rooftop technology overview
Session 03   solar pv rooftop technology overviewSession 03   solar pv rooftop technology overview
Session 03 solar pv rooftop technology overview
 
Application of Solar Power
Application of Solar PowerApplication of Solar Power
Application of Solar Power
 
Application of Solar Power
Application of Solar PowerApplication of Solar Power
Application of Solar Power
 
4_5958416552171670667.ppt
4_5958416552171670667.ppt4_5958416552171670667.ppt
4_5958416552171670667.ppt
 
Solar rooftop projects primotech
Solar rooftop projects primotechSolar rooftop projects primotech
Solar rooftop projects primotech
 
500w SOLAR INVERTER
500w SOLAR INVERTER500w SOLAR INVERTER
500w SOLAR INVERTER
 
mmesolaroff-gridongridsolarsystem-130731040231-phpapp02 (1).pptx
mmesolaroff-gridongridsolarsystem-130731040231-phpapp02 (1).pptxmmesolaroff-gridongridsolarsystem-130731040231-phpapp02 (1).pptx
mmesolaroff-gridongridsolarsystem-130731040231-phpapp02 (1).pptx
 
Why to go Solar?
Why to go Solar?Why to go Solar?
Why to go Solar?
 
IRJET- Electrical Energy Generation by using Smart Solar Tracking System ...
IRJET-  	  Electrical Energy Generation by using Smart Solar Tracking System ...IRJET-  	  Electrical Energy Generation by using Smart Solar Tracking System ...
IRJET- Electrical Energy Generation by using Smart Solar Tracking System ...
 
Indian National Solar Mission
Indian National Solar MissionIndian National Solar Mission
Indian National Solar Mission
 
APznzaY93eF_6ri_3efUfn6fD2sbfnErK5taV4KiQnHxqkQ2nW5FJjYKdnXIoCZ3dmi5YLMWOs_KE...
APznzaY93eF_6ri_3efUfn6fD2sbfnErK5taV4KiQnHxqkQ2nW5FJjYKdnXIoCZ3dmi5YLMWOs_KE...APznzaY93eF_6ri_3efUfn6fD2sbfnErK5taV4KiQnHxqkQ2nW5FJjYKdnXIoCZ3dmi5YLMWOs_KE...
APznzaY93eF_6ri_3efUfn6fD2sbfnErK5taV4KiQnHxqkQ2nW5FJjYKdnXIoCZ3dmi5YLMWOs_KE...
 

Recently uploaded

5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...CaraSkikne1
 
Human-AI Co-Creation of Worked Examples for Programming Classes
Human-AI Co-Creation of Worked Examples for Programming ClassesHuman-AI Co-Creation of Worked Examples for Programming Classes
Human-AI Co-Creation of Worked Examples for Programming ClassesMohammad Hassany
 
The Singapore Teaching Practice document
The Singapore Teaching Practice documentThe Singapore Teaching Practice document
The Singapore Teaching Practice documentXsasf Sfdfasd
 
The basics of sentences session 10pptx.pptx
The basics of sentences session 10pptx.pptxThe basics of sentences session 10pptx.pptx
The basics of sentences session 10pptx.pptxheathfieldcps1
 
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptx
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptxPractical Research 1: Lesson 8 Writing the Thesis Statement.pptx
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptxKatherine Villaluna
 
Prescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxPrescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxraviapr7
 
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfMaximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfTechSoup
 
Benefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationBenefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationMJDuyan
 
How to Solve Singleton Error in the Odoo 17
How to Solve Singleton Error in the  Odoo 17How to Solve Singleton Error in the  Odoo 17
How to Solve Singleton Error in the Odoo 17Celine George
 
UKCGE Parental Leave Discussion March 2024
UKCGE Parental Leave Discussion March 2024UKCGE Parental Leave Discussion March 2024
UKCGE Parental Leave Discussion March 2024UKCGE
 
How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17Celine George
 
M-2- General Reactions of amino acids.pptx
M-2- General Reactions of amino acids.pptxM-2- General Reactions of amino acids.pptx
M-2- General Reactions of amino acids.pptxDr. Santhosh Kumar. N
 
How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17Celine George
 
Diploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfDiploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfMohonDas
 
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptxSandy Millin
 
Ultra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptxUltra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptxDr. Asif Anas
 
Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.raviapr7
 
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptxClinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptxraviapr7
 
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRA
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRADUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRA
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRATanmoy Mishra
 

Recently uploaded (20)

5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...
 
Human-AI Co-Creation of Worked Examples for Programming Classes
Human-AI Co-Creation of Worked Examples for Programming ClassesHuman-AI Co-Creation of Worked Examples for Programming Classes
Human-AI Co-Creation of Worked Examples for Programming Classes
 
The Singapore Teaching Practice document
The Singapore Teaching Practice documentThe Singapore Teaching Practice document
The Singapore Teaching Practice document
 
The basics of sentences session 10pptx.pptx
The basics of sentences session 10pptx.pptxThe basics of sentences session 10pptx.pptx
The basics of sentences session 10pptx.pptx
 
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptx
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptxPractical Research 1: Lesson 8 Writing the Thesis Statement.pptx
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptx
 
Prescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxPrescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptx
 
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfMaximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
 
Benefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationBenefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive Education
 
How to Solve Singleton Error in the Odoo 17
How to Solve Singleton Error in the  Odoo 17How to Solve Singleton Error in the  Odoo 17
How to Solve Singleton Error in the Odoo 17
 
UKCGE Parental Leave Discussion March 2024
UKCGE Parental Leave Discussion March 2024UKCGE Parental Leave Discussion March 2024
UKCGE Parental Leave Discussion March 2024
 
How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17
 
M-2- General Reactions of amino acids.pptx
M-2- General Reactions of amino acids.pptxM-2- General Reactions of amino acids.pptx
M-2- General Reactions of amino acids.pptx
 
Prelims of Kant get Marx 2.0: a general politics quiz
Prelims of Kant get Marx 2.0: a general politics quizPrelims of Kant get Marx 2.0: a general politics quiz
Prelims of Kant get Marx 2.0: a general politics quiz
 
How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17
 
Diploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfDiploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdf
 
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
 
Ultra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptxUltra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptx
 
Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.
 
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptxClinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptx
 
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRA
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRADUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRA
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRA
 

Design off grid solar PV system

  • 1. DESIGN OFF GRID SOLAR SYSTEM Presented By- Pindoriya Rajesh M D15041 Under Guidance By- Prof. Ramesh Oruganti IIT Mandi
  • 2. Contents Aim of project Motivation Introduction: Off-grid solar system Introduction: On-grid solar system How the solar system fit together How to choose all components Pros and cons of off-grid solar system Conclusions
  • 3.  Aim of project:- Day by day the price of solar panels falls gradually, but still, installation of a complete off-grid solar system is costly due to lack of knowledge and information.  An off grid or stand along solar PV system is when solar PV system is not connected to the utility grid and we are producing own electricity via solar is called off-grid solar system.  I decided to choose this project on how to get all the components for our solar system separately and assemble it all by myself. Aim of Project & Motivation Reference: http://carboncycle2.lbl.gov/research/focus-areas/photovoltaic-solar-cells/
  • 4. Introduction: Off-Grid Solar System http://brisbanesolarinformation.com.au/
  • 5. On-Grid Solar System:  On-grid means solar system is tied to local utility company’s system.  On-grid systems are linked with power utilities, which enable the home to use the power generated by the solar system as well as power from the local utility.  These systems can also feed power back into the grid during times of low usage and high production.  Being grid-tied is beneficial because we don’t have to buy an expensive battery back-up system to store any excess energy. Introduction: On-Grid Solar System Reference:http://www.leonics.com/system/solar_photovoltaic/solar_grid_tie_system/solar_ grid_tie_system_en.php
  • 6. Solar Panel DC Breaker & Meter Charge Controller DC Load BatteryMeter DC Breaker AC Load AC Breaker Inverter How the solar system fit together. For an off-grid solar system we need four basic components:- 1. Solar Panel (PV Panel) 2. Charge Controller 3. Inverter 4. Battery
  • 8. Basic Steps to Installation Off-Grid Solar PV System for Our Home http://brisbanesolarinformation.com.au/ Step 1: Calculate home load (AC+DC loads) Step 2: Battery Selection Step 3: Solar Panel Selection Step 4: Charge Controller Selection Step 5: Inverter Selection Step 6: Series and Parallel Connection Step 7: Mounting the Solar Panel
  • 9. Electric heater Air conditionerElectric furnaceRefrigerators Small loads LED lamp LED street lamp Introduction: Types of loads 1. Basic Loads 2. Large appliances 3. Special loads Basic Loads Large appliances Special Loads
  • 10. Step 1: Calculate total DC loads How to convert AC loads to DC loads. DC loads= AC Loads/Inverter efficiency Step A: Determine average daily DC load in watt- hours AC average daily load (Wh/day) Inverter efficiency DC average daily load Wh/day Average daily DC load Wh/day 2000 /0.92 +100 = 2273 Reference:- www.altestore.com Leff= 𝑻𝒐𝒕𝒂𝒍 𝑫𝑪 𝒍𝒐𝒂𝒅𝒔 𝑩𝒂𝒕𝒕𝒆𝒓𝒚 𝑽𝒐𝒍𝒕𝒂𝒈𝒆 Battery bank capacity= 𝑳𝒆𝒇𝒇∗𝑫𝒂 𝑫𝑶𝑫∗𝑭𝒕 Where; Da: Days of autonym, DOD: Depth of discharge Ft: temperature function Leff= 𝟐𝟐𝟕𝟑 𝟐𝟒 = 95.05 Ah/day
  • 11. Days of Autonomy: The amount of time (days) the system can operate on battery power alone with no input from other generation sources (PV, and generator). DoD (Depth of discharge): Measure of maximum capacity to be withdrawn from a battery. - Common basic sizing guid:50% - Discharge only 10-20% to maximize battery life - Inverse to SoC (State of charge) - 50% DoD= 50% SoC Step 2: Size of Battery Bank Step B: Determine battery bank capacity (Ah) Leff. (Ah/Day) Daily of autonomy Battery temp. multiplier Discharge limit Battery bank capacity Ah 95.05 *3 days /1.19 /0.50 = 479.245  The rated capacity is taken to be specified at 25°C with a C/20 discharge.  At higher discharge rates, the capacity will be lower and vice versa.
  • 12. Step 3: Solar Panel Selection  Solar panels are generally rated under standard test conditions (STC): irradiance of 1,000 W/m², solar spectrum of AM 1.5 and module temperature at 25°C.  During the 12hr day time the sunlight is not uniform, and it also differ according to our location on the globe.  So we can assume 5 hours of effective sunlight which will generate the rated power.  So total power output of Panels = 24V * 479.245 Ah = 11 kWh  Power to be generated per hour = 11000 / 5= 2.2 kW
  • 13.  A solar charge controller is a device which is placed between a solar panel and a battery.  It regulates the voltage and current coming from solar panels.  It is used to maintain the proper charging voltage on the batteries.  As the input voltage from the solar panel rises, the charge controller regulates the charge to the batteries preventing any over charging. Step 4: Charge Controller Selection Rating of Charge Controller:  Since our system is rated at 24 V, the charge controller is also 24 V.  Current rating = Power output of Panels / Voltage = 2200 W / 24V = 91.67 A  So choose a Charge Controller of 24 V and more than 91.67 A.
  • 14. Step 5: Inverter Selection Inverter Types 1. Square Wave 2. Modified Sine Wave 3. Pure Sine Wave (SPWM)  Square wave inverters are the cheapest but not suitable for all appliances.  Modified Sine Wave output is also not suitable for certain appliances, particularly those with capacitive and electromagnetic devices such as: a fridge, microwave oven and most kinds of motors.  Typically modified sine wave inverters work at lower efficiency than pure sine wave inverters.  Mostly SPWM type inverter use in off grid solar system. Rating of Inverter  The power rating should be equal or more than the total load in watt at any instant.  In our case the maximum load at any instant = A.C. (630 W)+ Refrigerator (530 W) + T.V. (200W) + Fan (6*80W) + CFL (6*11W) = 2000 W  By taking some margin we can choose a 2000 W inverter.  As our system is 24 V we have to select a 24V DC to 230V/50Hz AC pure sine wave inverter.
  • 15. Step 6: Mounting the Solar Panel  After designing the solar system, buy all the components with appropriate rating as per the previous steps.  Now it is time to mount the solar panel. First choose a suitable location on the roof top, or on the ground, where there is no obstruction of sunlight.  The tilt of the stand is nearly equal to the latitude angle of our location.  Tilting : To get the most from solar panels, we need to point them in the direction that captures the maximum sun light, i.e. south if we are in the northern hemisphere or north if we are in the southern hemisphere.
  • 16.  We are interested to know how much energy is produced by our solar panel or how much energy being consumed by our appliances we have to use energy meters.  the meter combines accurate 1-phase and 3-phase energy and power measurements with data logging, power quality analysis, alarming and I/O capabilities are typically available in such a compact meter.  It provides a high degree of visibility to data and assets that allows for cost savings, rapid response time, and better decisions.  Improve operations and profitability of our facility with this easy-to-install, easy-to-operate meter. Reference: http://clarkpowerproducts.com/products/metering Metering and Data logging
  • 17. Pros Cons No electricity bills We will need a room to store large solar batteries and a battery bank No electric rate hikes You must closely monitor energy usage so you don’t run out of power. We will have access to power when grid-reliant customers face power outages, grid outages and rolling blackouts. The high costs of setup and maintenance. We will reduce our carbon footprint and decrease our dependence on energy through more efficient use of power. We don’t have access to power if weather, natural disasters or accidents damage or destroy solar panels or solar system. Pros and cons of off-grid solar system
  • 18. Solar Power Now a Reality at Jaipur Railway Station  Jaipur railway station's rooftop installed solar panels produced 260 units of electricity on the maiden day on Friday (20/05/2016), which was 35 units more than its daily capacity.  The operation was inaugurated by the general manager of North Western Railways (NWR), Anil Singhal, who said, "The energy harnessed from the solar panels will help Jaipur railway station save Rs 7.2 lakh on power bills, annually.  projection is to produce 50 kW power in a year. http://timesofindia.indiatimes.com/city/jaipur/Solar-power-now-a-reality-at-Jaipur-railway-station
  • 19. Conclusions  Solar energy is a resource that is not only sustainable for energy consumption, it is indefinitely renewable.  Solar panels also require little maintenance; after installation and optimization they are very reliable due to the fact that they actively create electricity in just a few millimeters.  Off-grid Solar systems are also a silent producer of energy.  Off-grid Solar system energy output is maximized when the panel is directly facing the sun. This means that panels in a fixed location, such as the building above, will see a reduced energy production when the sun is not at an optimal angle.  The primary disadvantage of off-grid solar power is that it obviously cannot be created during the night.  The power generated is also reduced during times of cloud cover
  • 20. Thanks for your attention Any Questions????