Replacing Kerosine based lighting with White LED through solar energy

transcript

Replacing Kerosine Based lighting systems Replacing Kerosine Based lighting systems (hurricane, kupi) with the White LED(hurricane, kupi) with the White LED

in Rural Area in Bangladesh.in Rural Area in Bangladesh.Presented byPresented by

Sheikh Tofael Ahmed and Kazi Rabiul IslamSheikh Tofael Ahmed and Kazi Rabiul IslamBangladeshBangladesh

Objectives:Objectives:

The Best choices of Energy options for Lighting as The Best choices of Energy options for Lighting as Function of Household Income in Rural Function of Household Income in Rural Bangladesh.Bangladesh.

Best options of a technology that is simple, Best options of a technology that is simple, affordable and sustainable. affordable and sustainable.

The Best options of a technology that is The Best options of a technology that is technically technically & financially viable.& financially viable.

“If you’re going to make a “If you’re going to make a difference, make it big and difference, make it big and

make it bright!”make it bright!”

Distribution of Energy OptionsDistribution of Energy Options--------------

Solar Energy in Bangladesh:Solar Energy in Bangladesh:Under the PV program of IDCOL, Under the PV program of IDCOL, about 2,50,000 systems about 2,50,000 systems aggregating to over 14.5 aggregating to over 14.5 MWpMWphave been installed as of 29 have been installed as of 29 SepSep’’20082008Besides the IDCOL project there Besides the IDCOL project there are some Government & NGOare some Government & NGO’’s s pilot projects, this includespilot projects, this includes--

1,000 solar lanterns1,000 solar lanterns5000 home lighting systems5000 home lighting systems50 street lighting systems50 street lighting systems12 water pumping systems12 water pumping systemsand of about 200 and of about 200 KWpKWp aggregateaggregatecapacity of stand alone A/C powercapacity of stand alone A/C powerplants.

Diagram of SHS using radiation level in Bangladesh is 5.2 KWh/m2/day (Avg.)

plants.

Solar Home SystemsSolar Home Systems--in real life situationin real life situation--------

Solar PV usages in BangladeshSolar PV usages in Bangladesh

About 100 Million people out of About 100 Million people out of 140 Million do not have 140 Million do not have electricity. electricity. 42% of the total area only gets 42% of the total area only gets electricity. electricity. Roughly 30 million rural homes Roughly 30 million rural homes do not have any thing other do not have any thing other than Kerosene light.than Kerosene light.Governments solar lighting Governments solar lighting does not reach even 0.2 % of does not reach even 0.2 % of these population and when it these population and when it reaches does not work even reaches does not work even with the 10% of the 0.2%. with the 10% of the 0.2%.

Solar PV usages in BangladeshSolar PV usages in Bangladesh

Key Statistics in Power Sector:Key Statistics in Power Sector:

Kerosene used for lighting isKerosene used for lighting is--------

Polluting the homes and posses Polluting the homes and posses health hazards. health hazards. Does not help any productive Does not help any productive work by women, studies by work by women, studies by children. children. Many times dangerous for Many times dangerous for children and families. children and families. Costly; present rate is Costly; present rate is --1 liter=$0.851 liter=$0.85

Kerosine hurricane systems in BangladeshKerosine hurricane systems in Bangladesh--------

Issues with the present system:Issues with the present system:(other than LED based systems)(other than LED based systems)

They use florescent lightening (tube lights or compact ones (CFLThey use florescent lightening (tube lights or compact ones (CFL) lights which ) lights which consumes less electricity than the filament based incandescent (consumes less electricity than the filament based incandescent (normal) bulbs normal) bulbs but still is considerable.but still is considerable.

Since there are many storage batteries required the maintenance Since there are many storage batteries required the maintenance and their and their replacement cost is very heavy.replacement cost is very heavy.

The bulbs/ lights fail once in 6 months or so and require mainteThe bulbs/ lights fail once in 6 months or so and require maintenance thus nance thus complicating the usage in a small inaccessible village. Battery complicating the usage in a small inaccessible village. Battery storage and storage and periodic maintenance are the main factor for the dysfunction of periodic maintenance are the main factor for the dysfunction of many of the many of the installed systems. installed systems.

Breakthrough of the White LED:Breakthrough of the White LED:

Dr Shuji Nakamura

In 1993, Dr. In 1993, Dr. ShujiShuji Nakamura a Nakamura a scientist at the Nichia cooperation, scientist at the Nichia cooperation, Japan invented Blue high bright Japan invented Blue high bright LED with the Indium Gallium nitride LED with the Indium Gallium nitride material familymaterial familyFollowing that Nakamura put a novel Following that Nakamura put a novel phosphor over his blue chip to get a phosphor over his blue chip to get a white light white light That lead to one of the greatest That lead to one of the greatest inventions of the 20th Century:inventions of the 20th Century:

Luminosity:White LEDs, typically 20 to 60 Lumens/Watt or between 5000 & 12000 mille candles !

White LEDs, A New Way In Lighting !White LEDs, A New Way In Lighting !

White LEDs are 'Light Emitting White LEDs are 'Light Emitting Diodes', a type of semiconductor. Diodes', a type of semiconductor. They are the newest item in They are the newest item in today's lighting technology. Unlike today's lighting technology. Unlike other light sources, these WHITE other light sources, these WHITE LEDs can take a lot of punishment LEDs can take a lot of punishment from vibration, heat and severe from vibration, heat and severe cold.cold.

WHITE LEDs can be made WHITE LEDs can be made waterproof, and put into a lighting waterproof, and put into a lighting package with 2 to 1000 WHITE package with 2 to 1000 WHITE LEDs. They can be used for street LEDs. They can be used for street lights, sign lighting, spot lighting, lights, sign lighting, spot lighting, Home lights or anything else. Home lights or anything else.

About White About White LEDsLEDs----------White LEDs can be placed in abusive environments White LEDs can be placed in abusive environments White LEDs can be "AC" or "DC" powered depending White LEDs can be "AC" or "DC" powered depending on the model. on the model. White LEDs are the newest lighting device on the White LEDs are the newest lighting device on the market today. market today. White LEDs do not produce "RF" to interfere with White LEDs do not produce "RF" to interfere with radio equipment. radio equipment. White LEDs are a proven technology. White LEDs are a proven technology. White LEDs last about 100, 000 hours of continuous White LEDs last about 100, 000 hours of continuous use. use. White LEDs radiate light at a 15 to 45 degree angle White LEDs radiate light at a 15 to 45 degree angle depending on the model. depending on the model. White LEDs can be made completely waterproof for White LEDs can be made completely waterproof for use in many marine applications. use in many marine applications. White LEDs are polarity protected, so it is hard to White LEDs are polarity protected, so it is hard to make an installation mistake. make an installation mistake.

You’ll die but your You’ll die but your LED will not die !LED will not die !

Impact on LED based Lighting Systems Impact on LED based Lighting Systems –– The The Lesson Learnt from the SurveyLesson Learnt from the Survey--------------------------

Type of BenefitsType of Benefits Beneficiaries (100%)Beneficiaries (100%)

Positive impact on children healthPositive impact on children health 8080

Positive impact on children’s performance in Positive impact on children’s performance in school.school.

An increase in income by 30%An increase in income by 30% 1010

Listen to radio more than beforeListen to radio more than before 7070

Improved indoor environmentImproved indoor environment 100100

The light bring security during the nightThe light bring security during the night 9090

The Lighting System The Lighting System –– description description

Each battery is charged though a single (5Each battery is charged though a single (5--7) 7) WWp solar panelsolar paneland usually charged in a single sunny day for (5and usually charged in a single sunny day for (5--6) hrs/day basis for 6) hrs/day basis for all loads in continuous operation, considering 3 days of autonomall loads in continuous operation, considering 3 days of autonomy.y.2 wall mounted along with one portable lighting arrangements 2 wall mounted along with one portable lighting arrangements (Different models including Hurricane model) were used. (Different models including Hurricane model) were used. The battery requires no topping with water. As we use maintenancThe battery requires no topping with water. As we use maintenance e free batteries that is also not needed for topping up the water free batteries that is also not needed for topping up the water in in every month.every month.

Light Comparison Table:Light Comparison Table:(Considering 50,000 hrs. of operation)(Considering 50,000 hrs. of operation)

Lamp typeLamp type Home made Home made KeroseneKerosene

IncandescentIncandescentLamp Lamp

CFLCFL White LEDWhite LED

EfficiencyEfficiency(L/W)(L/W)

0.30.3 (05(05--18)18) (30(30--79)79) (25(25--50)50)

Rated Life Rated Life HoursHours

Supply of Supply of KeroseneKerosene

1000 hours1000 hours 15000 hrs15000 hrs 50,000 hrs.50,000 hrs.

DurabilityDurability Fragile & Fragile & dangerousdangerous

Very FragileVery Fragile V. FragileV. Fragile Durable & Durable & robustrobust

Power Power ConsumptionConsumption

0.06 Liter/h0.06 Liter/h 5W5W 4W4W 1W1W

Cost US $Cost US $ $ 2000$ 2000 $ 280$ 280 $ 130$ 130 $ 80$ 80

Refined model of LED lights as per Refined model of LED lights as per field recommendations:field recommendations:

A light for 08 hrs a day and 365 A light for 08 hrs a day and 365 days in an year (even in rains days in an year (even in rains and in winter)and in winter)Lasts up to 07 days of use with Lasts up to 07 days of use with a single chargea single chargeNo need for take new light set; No need for take new light set; existing existing kerosinekerosine set could be set could be modified with LEDmodified with LED’’s by a s by a cheaper cost.cheaper cost.Bright enough to study, cook, Bright enough to study, cook, eat and carry out any task eat and carry out any task Never fails and lasts up to 10 Never fails and lasts up to 10 years (except battery) years (except battery) Can be upgradable by Can be upgradable by changing the light chip & changing the light chip & battery.

LED based Hurricane (Modified)LED based Hurricane (Modified)

battery.Traditional Kerosine based Hurricane Traditional Kerosine based Hurricane

Environment friendly and reliable lighting for Environment friendly and reliable lighting for homes and field use in Rural Bangladesh:homes and field use in Rural Bangladesh:

We need only We need only TkTk. 5,50,000 ($8000) for each village for . 5,50,000 ($8000) for each village for 100 house hold to say 100 house hold to say ‘‘good byegood bye’’ for Kerosine.for Kerosine.

Then we can save a big amount in a foreign currency a Then we can save a big amount in a foreign currency a year by Govt. (for only kerosene used for lighting) year by Govt. (for only kerosene used for lighting)

Hope Hope --------------

Let us banish the kerosene from the Let us banish the kerosene from the homes of poor people and provide them the homes of poor people and provide them the

best possible light for minimum 10 hrs in best possible light for minimum 10 hrs in every 24 hours and 365 days in a year. every 24 hours and 365 days in a year.

Production facilities in the factoryProduction facilities in the factory--------

DisseminationDissemination------------

In the fieldIn the field------------

Save Environment Save Environment --------------

Save our Earth Save our Earth --------------

SurveySurvey------

SurveySurvey----------

SystemSystem--II

SystemSystem--IIII

System Comparison:System Comparison:--

SYSTEMSYSTEM--II SYSTEMSYSTEM--IIIISolar Panel:5W,6VSolar Panel:5W,6V

Battery:6V,2 ABattery:6V,2 A--H@20Hr.H@20Hr.Solar Panel:7W,12VSolar Panel:7W,12V

Battery:6V,7.2 ABattery:6V,7.2 A--H@20Hr.H@20Hr.

2 nos. LED Lamps (fixed) + 1 no portable 2 nos. LED Lamps (fixed) + 1 no portable LED Lamp (12 nos. LED) Lantern LED Lamp (12 nos. LED) Lantern OR OR 1 no 1 no portable LED Lamp (18 nos. LED) Lantern portable LED Lamp (18 nos. LED) Lantern

+ 1 no LED Lamp (fixed)+ 1 no LED Lamp (fixed)

System Autonomy:02 DaysSystem Autonomy:02 Days

Operation Hour:05 hrs/dayOperation Hour:05 hrs/day

Retail price: US $90 (for 500 system)Retail price: US $90 (for 500 system)

Warranty: Panel # 8Warranty: Panel # 8--10 Yrs10 YrsBattery : 1.5 YrsBattery : 1.5 Yrs

LED Life Time: 50,000 hrs (Min.)LED Life Time: 50,000 hrs (Min.)

1 no LED Lamp (fixed) + 1 no 1 no LED Lamp (fixed) + 1 no portable LED Lamp (12 nos. LED) portable LED Lamp (12 nos. LED) Lantern Lantern OR OR 2 nos. portable LED 2 nos. portable LED

Lamps (18 nos. LED) Lantern Lamps (18 nos. LED) Lantern OROR 2 2 nos. LED Lamps (fixed)nos. LED Lamps (fixed)

System Autonomy:02 DaysSystem Autonomy:02 Days

Operation Hour:05 hrs/dayOperation Hour:05 hrs/day

Retail price: US $80 (for 500 system)Retail price: US $80 (for 500 system)

Warranty: Panel # 8Warranty: Panel # 8--10 Yrs10 YrsBattery : 1.5 YrsBattery : 1.5 Yrs

LED Life Time: 50,000 hrs (Min.)LED Life Time: 50,000 hrs (Min.)

In a local restaurantIn a local restaurant------

Education purposesEducation purposes------

In a local medicine shopIn a local medicine shop----------

In a grocery shopIn a grocery shop------

In the local tea shopIn the local tea shop--------

QuestionQuestions?s?

ee--mail : mkedohs@gmail.commail : mkedohs@gmail.com

Replacing Kerosine based lighting with White LED through solar energy

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