英文版新能源发电系统ppt

Designhybridrenewable

PowerSystem

Date: 18March2014

XianElectricPowerCollege Class25121

Teacher：Robert罗伯特

UEENEEK033B

DesignHybridPowerSystems

t'OTAB^EOFCONTENTS

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Aim

Authorisation

Scope

Theproblem

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4.1OutputRequirementsforthePowerSystem 6

Blockdiagramforthehybriddesign 6

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Batterystoragesizerequired 6

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4.2InputGenerationavailable 7

ConvertingavailablesolarinsolationintokWhr/day 7

ConvertingavailablewindenergyintokWhr/day 9

ConvertingavailablehydropowerintokWhr/day 10

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SizingagensettoprovidekWhr/day 10

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EnergyavailableateachpositionkWhr/day 11

ThefavouredgenerationMix

ChosenInputGenerationandEnergyavailableinkWhr/day

Systemsizingofgeneration

Otherrequiredcomponents

4.5.1Controlsystem

BatteryStorage

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BatteryStorage

SolarPanel

.ED

WindGenerationDiagram

Aim

Inordertodealwithcommuterstohavereliablemobiletelecommunicationnetworksthattheyacrosstherailway,Weneedwindpower.solarpowerandwaterpowertodesignhybridrenewablepowersystems.

Introduce

Accordingtoresearch.Weneedwind.andequipmentare1KWWindTurbine

GeneratorController

Towermounting

solar:equipmentincludeshighqualitysolarmoduleswith25yearwarranty.AndsolarmodulemountingframesinadditionLCDdisplaywithdataloggingmaximumpowerpointtrackingsolarboostersolarmoduletrackingframes.

Scope

Dependingonthenewrailwaylines,Andthehybridrenewablepowersystemslivesnearhere.

Theproblem

Difficulttocontroltheclimateandexhaustnoise.

Conventionalhydrorequiresthefloodingoflackinglargeareasofland,andbatterycostandinvertercost.

Accordingtoresearch,wecanlearnthatRemotedistrictsuseelectricitytheloadnottobeallbiggenerally,thereforeisuneconomicalwiththeelectricalnetworkpowertransmission,directlygenerateselectricitycommonlyusedinthelocalityusesthedieselelectricengine.Butthedieseloilstorageandtransporttooishightotheremotedistrictscost,thereforethedieselelectricengineonlycantakeonekindofshort-timeemergencypowersupply,Mustsolvethelong-termstabilityreliablepowersupplyproblem,onlycanrelyonlocalthenaturalenergysource.Thesolarenergygentlebreezecanbemostuniversalandthewaterpower,

Solarpower

Accordtosolardata,weusesolarpowerinsummerfromeleveno'clocktofourteeneverydayandwintertimeisfromeleveno'clocktothirteen

Inordertogooduseofwindpower,WelearnthatsometimesthewindspeedisthehighestinAutumn,onthecontrary,thewindhavetheleastspring

Thewatersystemtransmitspowerfromtheturbineshafttothegeneratorshaftortheshaftpoweringanotherdevice,andasthevoltageisveryhighwiringcanbekepttoaminimumandthewiringcanberunoveralongerdistanceduetothehighervoltage

3DESIGNOFHYBEUDPOV/BRSYSTi^：

OutputRequirementsforthePowerSystem

Themaximumtotalenergyrequirementsbythetelecommunicationtransmittersiteis1kWhr/day.

Typicallymosttelecommunictionsinfrastructureworkson48VDC

Themaximumcurrentforthieoutputequipmentwouldbeunder10Amps

Thedesignwillincorporatestorageofenergyfor3daysinthecaseforlackofgenerationfromalloftheinputs

4.1.1Blockdiagramforthehybriddesign

4.1.2Batterystoragesizerequired

TocalculatethesizeofthebatterybankrequiredweconvertedthetoataldailyenergyconsumptioninWatt-hourstoAmp-hours.

DailyEnergyUse

AmpHours=used SystemVoltage

1kWhr

48V

=20Ahr

Thenmultiplythisbytherequirednumberofdaysstorageplusoneadditionalday'senergyuse

Forthislocationwefactor3daysstorage

BatteryCapacity=AmpHoursxdays +(DailyEnergyUse)

days usedstorage

=20Ahrx3+20Ahr

=80Ahr

SeeappendixAfortypiclbatterytypestobeused

InputGenerationavailable

PositiononMountain

EnergyResourceAvailable

Resourcesavailablesummer

Resourcesavailablewinter

Top(pointE)

Solarpower

350Wh/m2for

7hours/day

450Wh/m2for6hours/day

WindPower

8m/sfor

3hours/day

10m/sfor

4hours/day

Mid(pointF)

Solarpower

240Wh/m2for

5hours/day

2110Wh/m2for6hours/day

WindPower

10m/sfor

3hours/day

14m/sfor4hours/day

Lower(pointG)

Solarpower

220Wh/m2for

5hours/day

30Wh/m2for

1hours/day

WindPower

3m/sfor

3hours/day

2m/sfor

4hours/day

Hydropower

300L/min

300L/min

10L/min*

*for2monthstheflowisreducedto10L/min

Dieselgenerationcan/cannotbeusedasbackuppowersource.

4.2.1ConvertingavailablesolarinsolationintokWhr/dayConvertingthevaluesofWh/m2intokWh/day

SUMMER

40Wh/m2for5hoursperday

(5/24hours=0.2days)

Theamountofenergyavailableforsolarpowerdependsuponthearea(m2)ofthePVarray

40Wh/m2

Soat40Wh/m2for5hoursperday kWh/m2day=°2days

=0.020kWh/m2day

ForthesolarPVarraytoprovidealloftheenergyforoneday(1kWh/day)willrequire50m2ofsolarpanels(abouthalfasizeofahouse)

WINTER

50Wh/m2for1hourperday

(1/24hours=0.04days)

kWh/mday50Wh/m2

0.04days=0.002kWh/m2day

ForthesolarPVarraytoprovidealloftheenergyforoneday(1kWh/day)willrequire500m2ofsolarpanels(about4-5housesizes)

ConvertingavailablewindenergyintokWhr/day

Windenergyperdaythatisavailableateachsiteiscalculatedusingthefollowingequation

PowerOutputP=PxCxA

outputwindO

=1p v3xCxA

2air O

Co=0.3fora3bladeturbine

A=areaofbladesv=averagevelocityofthewindpair=1.21kg/m3=(Airdensity)

Forawindgeneratorin10m/swind(3hoursperday)toproduce1kWh/daytheAreaofthebladesneedstobeasfollows

E/号days

A=―out_24

+pV3C

2airO

1000/24hours

= =44m2

Radius/diameterofblade +x1.21x103x0.3

2

A=k.r2

■■A :"44

r= = =3.7mradius(or7.5mdiameter)

兀 兀

A7.5mdiameterbladewindturbine(approximately7.5kW)cansupplyenoughenergytothesystemforonedayoperation

ConvertingavailablehydropowerintokWhr/day

P=QgH Ewatts]

Q=flowrateL/s

G=gravity9.81(m/s)Hisusablehead(m)

Athestreamflowof300L/minisavailable24hoursadayexceptinthewintermonthswheretwomonthsofflowisheavilyreducedto10L/min

E

perday

=QgHx24hours

300L/min

60sec/min

x9.81x10x24

=11772Wh/day

Thereisplentyofheadandpoweravailablefromthewaterresourceinthesummer

Inthewinter

E =QgHx24hours EWh/day]

perday

10L/min

x9.81x10x2460sec/min

=392Wh/day

SizingagensettoprovidekWhr/day

38MJ/L

PositiononMountain

SizeofEnergyconverterneeded

Energyavailablesummer

Energyavailablewinter

Top(pointE)

WindPower

(7.8mdiameter)

8.5kWh/day

8.6kWh/day

Lower(pointG)

Hydropower

11kWh/day

0.5kWh/day

EnergyavailableateachpositionkWhr/day

PositiononMountain

SizeofEnergyconverterneeded

Energyavailablesummer

Energyavailablewinter

Top(pointE)

Solarpower(350m2)

7.5kWh/day

8.4kWh/day

Windpower

(120mdiameter)

10kWh/day

11kWh/day

Mid(pointF)

WindPower(76mdiameter)

5.7kWh/day

6.3kWh/day

Lower(pointE)

Solarpower(230m2)

8kWh/day

kWh/day

kWh/day

WindPower(160mdiameter)

8KWh/day

7.8kWh/day

Hydropower

11kWh/day

11kWh/day*0.4kWh/day

Alistofreferencesused

Websites

Components

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Conclusion

MakegooduseofsourcecanimprovethesourceefficiencyControlthepowerdeliverytotheloads

Reducethebatterycost

Basedonenvironment,adjustthesour