Evaluat

ion Mod

e

Page 1/404/03/15PVSYST V5.74

Stand Alone System: Simulation parameters

Project : Stand Alone Project at ArequipaGeographical Site Arequipa Country PeruSituation Latitude 16.4S Longitude 71.5W

Time defined as Legal Time Time zone UT-5 Altitude 2344 mAlbedo 0.20

Meteo data : Arequipa from NASA-SSE, Synthetic Hourly data

Simulation variant : New simulation variantSimulation date 04/03/15 14h00

Simulation parametersCollector Plane Orientation Tilt 16 Azimuth 0

PV Array CharacteristicsPV module Si-poly Model TS-M320

Manufacturer TOPSUNNumber of PV modules In series 4 modules In parallel 6 stringsTotal number of PV modules Nb. modules 24 Unit Nom. Power 320 WpArray global power Nominal (STC) 7.68 kWp At operating cond. 6.65 kWp (50C)Array operating characteristics (50C) U mpp 152 V I mpp 44 ATotal area Module area 56.5 m Cell area 50.5 m

PV Array loss factorsThermal Loss factor Uc (const) 20.0 W/mK Uv (wind) 0.0 W/mK / m/s

=> Nominal Oper. Coll. Temp. (G=800 W/m, Tamb=20C, Wind=1 m/s.) NOCT 56 CWiring Ohmic Loss Global array res. 60 mOhm Loss Fraction 1.5 % at STCModule Quality Loss Loss Fraction 1.0 %Module Mismatch Losses Loss Fraction 2.0 % at MPPIncidence effect, ASHRAE parametrization IAM = 1 - bo (1/cos i - 1) bo Parameter 0.05

System Parameter System type Stand Alone SystemBattery Model A600 16 OPzV 2300

Manufacturer SonnenscheinBattery Pack Characteristics Voltage 24 V Nominal Capacity 4050 Ah

Nb. of units 12 in series x 2 in parallelTemperature Fixed (20C)

Regulator Model Generic Default with MPPT converterTechnology MPPT converter Temp coeff. -5.0 mV/C/elem.

Converter Maxi and EURO efficiencies 96.0/94.0 %Battery Management Thresholds Charging 27.0/26.2 V Discharging 23.5/25.2 V

Back-Up Genset Command 23.6/25.8 V

User's needs : Daily household consumers Constant over the yearaverage 29.4 kWh/Day

Evaluat

ion Mod

e

Page 2/404/03/15PVSYST V5.74

Stand Alone System: Detailed User's needs

Project : Stand Alone Project at ArequipaSimulation variant : New simulation variant

Main system parameters System type Stand alonePV Field Orientation tilt 16 azimuth 0PV Array Nb. of modules 24 Pnom total 7.68 kWpBattery Model A600 16 OPzV 2300 Technology sealed, Gelbattery Pack Nb. of units 24 Voltage / Capacity 24 V / 4050 AhUser's needs Daily household consumers Constant over the year global 10.72 MWh/year

Daily household consumers, Constant over the year, average = 29.4 kWh/day

Annual values

Number Power Use EnergyOther uses 1 1224 W tot 24 h/day 29376 Wh/dayTotal daily energy 29376 Wh/day

Evaluat

ion Mod

e

Page 3/404/03/15PVSYST V5.74

Stand Alone System: Main results

Project : Stand Alone Project at ArequipaSimulation variant : New simulation variant

Main system parameters System type Stand alonePV Field Orientation tilt 16 azimuth 0PV Array Nb. of modules 24 Pnom total 7.68 kWpBattery Model A600 16 OPzV 2300 Technology sealed, Gelbattery Pack Nb. of units 24 Voltage / Capacity 24 V / 4050 AhUser's needs Daily household consumers Constant over the year global 10.72 MWh/year

Main simulation resultsSystem Production Available Energy 14522 kWh/year Specific prod. 1891 kWh/kWp/year

Used Energy 10722 kWh/year Excess (unused) 3086 kWh/yearPerformance Ratio PR 63.0 % Solar Fraction SF 100.0 %

Loss of Load Time Fraction 0.0 % Missing Energy 0 kWh/year

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec0

1

2

3

4

5

6

7

8

Norm

aliz

ed

Energ

y [kW

h/kW

p/da

y]

Normalized productions (per installed kWp): Nominal power 7.68 kWp

Yf : Energy supplied to the user 3.83 kWh/kWp/dayLs : System losses and battery charging 0.48 kWh/kWp/dayLc : Collection Loss (PV-array losses) 0.66 kWh/kWp/dayLu : Unused energy (full battery) 1.1 kWh/kWp/day

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec0.0

0.2

0.4

0.6

0.8

1.0

1.2Pe

rform

ance

R

atio

PR

Performance Ratio PR and Solar Fraction SF

PR : Performance Ratio (Yf / Yr) : 0.630SF : Solar Fraction (ESol / ELoad) : 1.000

New simulation variantBalances and main results

GlobHor GlobEff E Avail EUnused E Miss E User E Load SolFrac

kWh/m kWh/m kWh kWh kWh kWh kWh

January 203.7 183.5 1231 225.5 0.000 910.7 910.7 1.000February 177.0 166.2 1131 257.3 0.000 822.5 822.5 1.000March 189.7 188.2 1267 294.6 0.000 910.7 910.7 1.000April 165.9 175.8 1154 219.7 0.000 881.3 881.3 1.000May 151.6 171.4 1139 175.7 0.000 910.7 910.7 1.000June 134.7 157.2 1079 187.6 0.000 881.3 881.3 1.000July 143.8 164.0 1088 102.5 0.000 910.7 910.7 1.000August 160.9 175.0 1168 188.9 0.000 910.7 910.7 1.000September 180.0 184.9 1256 330.9 0.000 881.3 881.3 1.000October 208.6 199.4 1370 396.8 0.000 910.7 910.7 1.000November 212.4 191.4 1327 369.3 0.000 881.3 881.3 1.000December 218.2 191.8 1312 336.8 0.000 910.7 910.7 1.000

Year 2146.5 2148.9 14522 3085.5 0.000 10722.2 10722.2 1.000

Legends: GlobHor Horizontal global irradiationGlobEff Effective Global, corr. for IAM and shadingsE Avail Available Solar EnergyEUnused Unused energy (full battery) loss

E Miss Missing energyE User Energy supplied to the userE Load Energy need of the user (Load)SolFrac Solar fraction (EUsed / ELoad)

Evaluat

ion Mod

e

Page 4/404/03/15PVSYST V5.74

Stand Alone System: Loss diagram

Project : Stand Alone Project at ArequipaSimulation variant : New simulation variant

Main system parameters System type Stand alonePV Field Orientation tilt 16 azimuth 0PV Array Nb. of modules 24 Pnom total 7.68 kWpBattery Model A600 16 OPzV 2300 Technology sealed, Gelbattery Pack Nb. of units 24 Voltage / Capacity 24 V / 4050 AhUser's needs Daily household consumers Constant over the year global 10.72 MWh/year

Loss diagram over the whole year

Horizontal global irradiation2147 kWh/m+3.2% Global incident in coll. plane

-3.0% IAM factor on global

Effective irradiance on collectors2149 kWh/m * 57 m coll.

efficiency at STC = 13.65% PV conversion

Array nominal energy (at STC effic.)16569 kWh-3.2% PV loss due to irradiance level

-10.1% PV loss due to temperature

-0.8% Module quality loss-1.7% Module array mismatch loss

-0.9% Ohmic wiring loss0.0% Loss by respect to the MPP running

-22.2% Unused energy (full battery) loss

Effective energy at the output of the array12059 kWh

-5.2% Converter Loss during operation (efficiency)0.0% Converter Loss due to power threshold0.0% Converter Loss over nominal conv. voltage0.0% Converter Loss due to voltage threshold

Converter losses (effic, overload)11436 kWhBattery StorageDirect use Stored

36.7% 63.3% +0.3% Battery Stored Energy balance

-4.1% Battery efficiency loss-1.6% Gassing Current (electrolyte dissociation)0.0% Battery Self-discharge Current

Energy supplied to the user10722 kWh

0.0%0.0 kWh

Missing energy

10722 kWh Energy need of the user (Load)