centralinverter reportfor35tilt

8/3/2019 centralinverter reportfor35tilt

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Page 1/10/11/11PVSYST V5.53

Grid-Connected System: Simulation parameters

Project : Grid-Connected Project at Sfantu Gheorghenasa

Geographical Site Sfantu Gheorghenasa Country Romania

Situation Latitude 44.9N Longitude 29.6E

Time defined as Legal Time Time zone UT+1 Altitude 27 mAlbedo 0.20

Meteo data : Sfantu Gheorghenasa from NASA-SSE, Synthetic Hourly data

Simulation variant : New simulation variant

Simulation date 10/11/11 12h55

Simulation parameters

Collector Plane Orientation Tilt 35 Azimuth 0

Horizon Free Horizon

Near Shadings No Shadings

PV Array Characteristics

PV module Si-poly Model QPro 230W

Manufacturer Q-Cells SE

Number of PV modules In series 24 modules In parallel 109 strings

Total number of PV modules Nb. modules 2616 Unit Nom. Power 230 Wp

Array global power Nominal (STC) 602 kWp At operating cond. 544 kWp (50C)

Array operating characteristics (50C) U mpp 645 V I mpp 844 A

Total area Module area 4369 m Cell area 3820 m

Inverter Model Sinvert PVS600

Manufacturer SiemensCharacteristics Operating Voltage 570-750 V Unit Nom. Power 600 kW AC

PV Array loss factors

Thermal Loss factor Uc (const) 20.0 W/mK Uv (wind) 3.0 W/mK / m/s

=> Nominal Oper. Coll. Temp. (G=800 W/m, Tamb=20C, Wind=1 m/s.) NOCT 51 C

Wiring Ohmic Loss Global array res. 13 mOhm Loss Fraction 1.5 % at STC

Module Quality Loss Loss Fraction 1.5 %

Module Mismatch Losses Loss Fraction 2.0 % at MPP

Incidence effect, ASHRAE parametrization IAM = 1 - bo (1/cos i - 1) bo Parameter 0.05

User's needs : Unlimited load (grid)


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Grid-Connected System: Main results



Main system parameters System type Grid-Connected

PV Field Orientation tilt 35 azimuth 0PV modules Model QPro 230W Pnom 230 Wp

PV Array Nb. of modules 2616 Pnom total 602 kWp

Inverter Model Sinvert PVS600 Pnom 600 kW ac

User's needs Unlimited load (grid)

Main simulation results

System Production Produced Energy 806 MWh/year Specific prod. 1339 kWh/kWp/year

Performance Ratio PR 83.6 %

Investment Global incl. taxes 3032575 Specific 5.04 /Wp

Yearly cost Annuities (Loan 5.0%, 20 years) 243342 /yr Running Costs 50000 /yr

Energy cost 0.36 /kWh

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

1

2

3

4

5

6

7

8

NormalizedEnergy[kWh/kWp/day]

Normalized productions (per installed kWp): Nominal power 602 kWp

Yf : Produced useful energy (inverter output) 3.67 kWh/kWp/dayLs : System Loss (inverter, ...) 0.08 kWh/kWp/day

Lc : Collection Loss (PV-array losses) 0.64 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

PerformanceRatioPR

Performance Ratio PR

PR : Performance Ratio (Yf / Yr) : 0.836

New simulation variant

Balances and main results

GlobHor T Amb GlobInc GlobEff EArray E_Grid EffArrR EffSysR

kWh/m C kWh/m kWh/m MWh MWh % %

January 41.8 3.70 64.3 62.3 35.86 34.92 12.76 12.43

February 63.2 3.60 90.4 87.8 49.65 48.51 12.57 12.28

March 102.0 6.20 127.3 123.5 68.41 66.87 12.30 12.03

April 141.3 10.30 153.6 149.1 80.43 78.63 11.98 11.71

May 187.5 15.50 185.0 179.5 94.96 92.96 11.75 11.50

June 198.9 20.40 186.5 180.7 93.03 90.98 11.42 11.16

July 209.6 23.40 200.9 194.8 98.40 96.29 11.21 10.97

August 182.9 23.60 192.5 186.9 94.59 92.56 11.24 11.00

September 130.8 19.70 156.7 152.1 79.11 77.48 11.56 11.32

October 84.0 15.00 117.5 114.2 60.54 59.15 11.80 11.53

November 46.2 9.30 69.0 67.0 37.22 36.25 12.35 12.03

December 35.3 5.20 57.8 56.1 31.93 31.08 12.65 12.31

Year 1423.6 13.05 1601.6 1554.1 824.12 805.68 11.78 11.51

Legends: GlobHor Horizontal global i rradiation

T Amb Ambient Temperature

GlobInc Global incident in col l. plane

GlobEff Effective Global, corr. for IAM and shadings

EArray Effective energy at the output of the array

E_Gr id Energy injected into grid

EffArrR Effic. Eout array / rough area

EffSysR Effic. Eout system / rough area


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Grid-Connected System: Loss diagram








Loss diagram over the whole year

Horizontal global irradiation1424 kWh/m

+12.5% Global incident in coll. plane

-3.0% IAM factor on global

Effective irradiance on collectors1554 kWh/m * 4369 m coll.

efficiency at STC = 13.90% PV conversion

Array nominal energy (at STC effic.)944 MWh

-1.7% PV loss due to irradiance level

-7.0% PV loss due to temperature

-1.5% Module quality loss

-2.1% Module array mismatch loss

-0.9% Ohmic wiring loss

Array virtual energy at MPP824 MWh

-2.2% Inverter Loss during operation (efficiency)

0.0% Inverter Loss over nominal inv. power

0.0% Inverter Loss due to power threshold

0.0% Inverter Loss over nominal inv. voltage

-0.0% Inverter Loss due to voltage threshold

Available Energy at Inverter Output806 MWh

Energy injected into grid806 MWh


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Grid-Connected System: Economic evaluation








Investment

PV modules (Pnom = 230 Wp) 2616 units 1000 / unit 2616000

Supports / Integration 0 / module 0

Inverter (Pnom = 600 kW ac) 1 units 25000 / unit 25000

Settings, wiring, ... 30000 Transport and assembly 100000

Engineering 50000

Substitution underworth -0

Gross investment (without taxes) 2821000

Financing

Gross investment (without taxes) 2821000

Taxes on investment (VAT) Rate 7.5 % 211575

Gross investment (including VAT) 3032575

Subsidies -0

Net investment (all taxes included) 3032575

Annuities ( Loan 5.0 % over 20 years) 243342 /year

Annual running costs: maintenance, insurances ... 50000 /year

Total yearly cost 293342 /year

Energy cost

Produced Energy 806 MWh / year

Cost of produced energy 0.36 / kWh


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Grid-Connected System: Long Term Financial Balance








Electricity sale

Feed-in Tariff Day hours 0.05 /kWh From 7h to 19h.

Night hours 0.03 /kWh

Peak hours 0.00 /kWh Peak hours =

Annual connexion tax 0

Long term balance and Running conditions

Annual sale tariff depreciation 0.0 % / year

Annual production reduction 0.0 % / year

Feed-in tariff Warranty over 20 years

Tariff reduction after contractual warranty -50 %

Loan duration (payment of annuities) 20 years

2010 2015 2020 2025 2030 2035 2040 2045-300

-250

-200

-150

-100

-50

0Yearly financial balance (k)

2010 2015 2020 2025 2030 2035 2040 2045-6000

-5000

-4000

-3000

-2000

-1000

0Cumulated financial balance (k)

Long term economic balance

Year Loan

5.0 %

Running

costs

Sold

energy

Yearly

Balance

Cumul.

Balance

2012 243.3 50.0 35.6 -257.7 -257.7

2013 243.3 50.0 35.6 -257.7 -515.4

2014 243.3 50.0 35.6 -257.7 -773.12015 243.3 50.0 35.6 -257.7 -1030.8

2016 243.3 50.0 35.6 -257.7 -1288.5

2017 243.3 50.0 35.6 -257.7 -1546.2

2018 243.3 50.0 35.6 -257.7 -1803.8

2019 243.3 50.0 35.6 -257.7 -2061.5

2020 243.3 50.0 35.6 -257.7 -2319.2

2021 243.3 50.0 35.6 -257.7 -2576.9

2022 243.3 50.0 35.6 -257.7 -2834.6

2023 243.3 50.0 35.6 -257.7 -3092.3

2024 243.3 50.0 35.6 -257.7 -3350.0

2025 243.3 50.0 35.6 -257.7 -3607.7

2026 243.3 50.0 35.6 -257.7 -3865.4

2027 243.3 50.0 35.6 -257.7 -4123.1

2028 243.3 50.0 35.6 -257.7 -4380.8

2029 243.3 50.0 35.6 -257.7 -4638.5

2030 243.3 50.0 35.6 -257.7 -4896.2

2031 243.3 50.0 35.6 -257.7 -5153.8

2032 0.0 50.0 17.8 -32.2 -5186.0

2033 0.0 50.0 17.8 -32.2 -5218.2

2034 0.0 50.0 17.8 -32.2 -5250.4

2035 0.0 50.0 17.8 -32.2 -5282.5

2036 0.0 50.0 17.8 -32.2 -5314.7

2037 0.0 50.0 17.8 -32.2 -5346.9

2038 0.0 50.0 17.8 -32.2 -5379.1

2039 0.0 50.0 17.8 -32.2 -5411.2

2040 0.0 50.0 17.8 -32.2 -5443.4

2041 0.0 50.0 17.8 -32.2 -5475.6

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centralinverter reportfor35tilt