presentation on renewable energy by zakaria

8/16/2019 Presentation on Renewable Energy by Zakaria

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BANGLADESH UNIVERSITY OFBANGLADESH UNIVERSITY OF

ENGINEERING AND TECHNOLOGY ENGINEERING AND TECHNOLOGY

A PRESENTATION ON: A PRESENTATION ON: “ “RENEWABLE ENERGY RENEWABLE ENERGY ”- An”- An

Alternative Source of Electricit Alternative Source of Electricit !!

Pre"ente# $-Pre"ente# $- %&:G'OLA% (A)ARIA %&:G'OLA% (A)ARIA

Stu#entStu#entI&:*++,+.I&:*++,+.

&e/t! of EEE&e/t! of EEE

Section:B*Section:B*


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T"-es &( RenewableT"-es &( Renewable

Ene!" Ene!"

Solar ener0!Solar ener0!

Win# ener0!Win# ener0!

Water ener0!Water ener0!

T1er2al ener0T1er2al ener0!!


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S&la %ell is )se+ in the -&%essS&la %ell is )se+ in the -&%ess&(&( 3h&t&4&ltai% e5e%t3h&t&4&ltai% e5e%t


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HOW A SOLAR CELL WORKS?HOW A SOLAR CELL WORKS? Solar cells work on the principle of photovoltaicSolar cells work on the principle of photovoltaic

effect. The photovoltaic effect is the release ofeffect. The photovoltaic effect is the release of

positive & negative charge when light strikes thepositive & negative charge when light strikes thesemiconductor. The light travels in packets ofsemiconductor. The light travels in packets of

energy calledenergy called ‘photons‘photons’’..

When photons strike the solar cell they may beWhen photons strike the solar cell they may bereflected or absorbed . Only the absorbedreflected or absorbed . Only the absorbed

photons provide energy to generate electricityphotons provide energy to generate electricity ..


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Solar cells have low running cost.Do not cause any environmental

pollution.

Reuire low maintenance.!itigates the effects of acid rain"carbon dio#ide" and other impacts ofburning coal and counters risks

associated with nuclear energy.$asily installable.%o fuel reuired.


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T1e initial co"t of Solar cell i" verT1e initial co"t of Solar cell i" ver1i01!1i01!

T1e out/ut i" #e/en#ent on 3eat1erT1e out/ut i" #e/en#ent on 3eat1ercon#ition an# t1e #a ti2in0!con#ition an# t1e #a ti2in0!

Lo3 e4icienc!Lo3 e4icienc!

Lo3 /o3er out/ut!Lo3 /o3er out/ut!


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The -&we &( 6&win! watehas been )se+ (& &-eatin!'a%hine"2 This -&we %an

als& be )se+ t& !eneateele%ti%it"2


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Ge&the'al Ene!" Ge&the'al Ene!" T1e "tea2 an# 1ot 3ater 31ic1T1e "tea2 an# 1ot 3ater 31ic1

ri"e" naturall to t1e "urface can $eri"e" naturall to t1e "urface can $eu"e# to 0enerate electricit!u"e# to 0enerate electricit!

T1e lar0e"t 0eot1er2al /o3er /lantT1e lar0e"t 0eot1er2al /o3er /lanti" ini" in 5alifornia5alifornia an# 1a" an out/ut ofan# 1a" an out/ut of

67+ 2e0a3att"67+ 2e0a3att"!!

7 Da4i+ 3as&ns8NREL


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Final Th&)!htFinal Th&)!ht

C)entl"* 9:1 &( &) ele%ti%alC)entl"* 9:1 &( &) ele%ti%al-&we is !eneate+ b" %&al;b)nin!-&we is !eneate+ b" %&al;b)nin!an+ n)%lea -&we -lants2an+ n)%lea -&we -lants2

O) !&al is t& +e%ease &)O) !&al is t& +e%ease &)+e-en+en%e &n (&ssil ()els b" )sin!+e-en+en%e &n (&ssil ()els b" )sin!enewable ene!"2enewable ene!"2

In Ban!la+esh*thee is s)5i%ientIn Ban!la+esh*thee is s)5i%ient&--&t)nities t& -&+)%e ele%ti%it"&--&t)nities t& -&+)%e ele%ti%it"(&' this enewable es&)%es2(&' this enewable es&)%es2


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For more information please contact meFor more information please contact meon-on-

[email protected]@gmail.com

For more For more

information pleaseinformation please

contact me on-contact me on- Zakaria.buet10@gm Zakaria.buet10@gm

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