PVSYST V5.
06
04/11/15 Page 1/5
Stand Alone System: Simulation parameters
Project :
Geographical Site
Situation
Time defined as
Meteo data :
Simulation variant :
Simulation parameters
Collector Plane Orientation
Near Shadings
Deber
Quito
Latitude
Legal Time
Albedo
Country
0.1S
Time zone UT+5
0.20
Longitude
Altitude
Equator
78.2W
2818 m
Quito, Synthetic Hourly data
New simulation variant
Simulation date
Tilt
Linear shadings
PV Array Characteristics
Si-poly
Model
Manufacturer
Number of PV modules
In series
Total number of PV modules
Nb. modules
Array global power
Nominal (STC)
Array operating characteristics (50C)
U mpp
Total area
Module area
PV module
04/11/15 18h19
15
VSG 435
Ertex Solar
1 modules
4
1.74 kWp
54 V
13.1 m
Azimuth
10
In parallel
Unit Nom. Power
At operating cond.
I mpp
4 strings
435 Wp
1.56 kWp (50C)
29 A
PV Array loss factors
Thermal Loss factor
Uc (const) 29.0 W/mK
Uv (wind)
=> Nominal Oper. Coll. Temp. (G=800 W/m, Tamb=20C, Wind velocity = 1m/s.) NOCT
0.0 W/mK / m/s
45 C
Wiring Ohmic Loss
Global array res.
Module Quality Loss
Module Mismatch Losses
Incidence effect, ASHRAE parametrization
IAM =
System Parameter
System type
Model
Manufacturer
Battery Pack Characteristics
Voltage
Nb. of units
Temperature
Model
Regulator
Manufacturer
Technology
Battery Management Thresholds
Charging
Back-Up Genset Command
Battery
Back-up generator (genset)
User's needs :
Model
Manufacturer
Power
Daily household consumers
average
17 mOhm
1 - bo (1/cos i - 1)
Loss Fraction
Loss Fraction
Loss Fraction
bo Parameter
0.8 % at STC
2.5 %
4.0 % (fixed voltage)
0.05
Stand alone with back-up generator System
MK 8A4D AGM
MK Battery
48 V
Nominal Capacity
4 in series x 4 in parallel
Fixed (20C)
Tarom 4110
Steca
uP, Series transistor Temp coeff.
54.8/50.4 V
Discharging
44.4/51.6 V
3 kW
Back-up generator
3 kW
Constant over the year
7.2 kWh/Day
664 Ah
-5.0 mV/C/elem.
43.7/48.0 V
PVSYST V5.06
04/11/15 Page 2/5
Stand Alone System: Near shading definition
Project :
Simulation variant :
Deber
Main system parameters
Near Shadings
PV Field Orientation
PV Array
Battery
battery Pack
User's needs
New simulation variant
System type
Linear shadings
tilt
Nb. of modules
Model
Nb. of units
Daily household consumers
Stand alone with back-up generator
15
azimuth
4
Pnom total
MK 8A4D AGM
Technology
16
Voltage / Capacity
Constant over the year
global
10
1.74 kWp
vented, vehicle starting
48 V / 664 Ah
2635 kWh/year
Perspective of the PV-field and surrounding shading scene
Zenith
East
West
North
PVSYST V5.06
04/11/15 Page 3/5
Stand Alone System: Detailed User's needs
Project :
Simulation variant :
Main system parameters
Near Shadings
PV Field Orientation
PV Array
Battery
battery Pack
User's needs
Deber
New simulation variant
System type
Linear shadings
tilt
Nb. of modules
Model
Nb. of units
Daily household consumers
Stand alone with back-up generator
15
azimuth
4
Pnom total
MK 8A4D AGM
Technology
16
Voltage / Capacity
Constant over the year
global
Daily household consumers, Constant over the year, average = 7.2 kWh/day
10
1.74 kWp
vented, vehicle starting
48 V / 664 Ah
2635 kWh/year
Annual values
Fluorescent lamps
TV / Video-tape rec. / PC
Domestic appliances
Fridge / Deep-freeze
Dish-washer / Cloth-washer
Other uses
Stand-by consumers
Total daily energy
Number
9
4
4
1
2
1
Power
30 W/lamp
75 W/app
200 W/app
450 W tot
30 W tot
Use
5 h/day
3 h/day
1 h/day
600 Wh/day
1200 Wh/day
1 h/day
24 h/day
Energy
1350 Wh/day
900 Wh/day
800 Wh/day
600 Wh/day
2400 Wh/day
450 Wh/day
720 Wh/day
7220 Wh/day
PVSYST V5.06
04/11/15 Page 4/5
Stand Alone System: Main results
Project :
Deber
Simulation variant :
New simulation variant
Main system parameters
Near Shadings
PV Field Orientation
PV Array
Battery
battery Pack
User's needs
Main simulation results
System Production
System type
Linear shadings
tilt
Nb. of modules
Model
Nb. of units
Daily household consumers
15
azimuth
4
Pnom total
MK 8A4D AGM
Technology
16
Voltage / Capacity
Constant over the year
global
10
1.74 kWp
vented, vehicle starting
48 V / 664 Ah
2635 kWh/year
Available Energy
Used Energy
Performance Ratio PR
Back-Up energy
Specific prod.
2486 kWh/year
2636 kWh/year Excess (unused)
75.9 %
Solar Fraction SF
257 kWh/year Fuel Consumption
1429 kWh/kWp/year
11.2 kWh/year
90.3 %
154/year
Back-Up energy from generator
Stand alone with back-up generator
Normalized productions (per installed kWp): Nominal power 1.74 kWp
6
Lu : Unused energy (full battery)
Lc : Collection Loss (PV-array losses)
Ls : System losses and battery charging
Yf : Energy supplied to the user
0.02 kWh/kWp/day
1.02 kWh/kWp/day
-0.25 kWh/kWp/day
4.15 kWh/kWp/day
PR : Performance Ratio (Yf / Yr) :
0.841
SF : Solar Fraction (ESol / ELoad) : 1.000
1.0
Performance Ratio PR
Normalized Energy [kWh/kWp/day]
Performance Ratio PR and Solar Fraction SF
1.2
0.8
0.6
0.4
0.2
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
New simulation variant
Balances and main results
GlobEff
E Avail
EUnused
E User
E Load
SolFrac
155.0
133.0
187.0
0.187
223.9
223.8
0.907
1741.0
2485.7
11.250
2635.5
2635.3
0.903
kWh/m
January
February
March
April
May
June
July
August
September
October
November
December
Year
Legends:
GlobHor
GlobHor
GlobEff
E Avail
EUnused
147.0
164.0
152.0
153.0
141.0
146.0
154.0
157.0
166.0
156.0
155.0
1846.0
kWh/m
130.7
153.7
150.3
156.7
147.3
151.0
154.1
149.6
149.7
134.6
130.5
kWh
185.8
220.4
214.0
229.8
210.2
218.4
218.7
213.9
212.4
191.4
183.6
Horizontal global irradiation
Effective Global, corr. for IAM and shadings
Available Solar Energy
Unused energy (full battery) loss
kWh
0.061
0.368
0.080
9.686
0.125
0.160
0.187
0.077
0.064
0.167
0.086
E User
E Load
SolFrac
kWh
202.2
223.8
216.6
223.8
216.6
223.8
223.9
216.6
223.9
216.6
223.9
kWh
202.2
223.8
216.6
223.8
216.6
223.8
223.8
216.6
223.8
216.6
223.8
0.879
0.863
0.907
1.000
0.855
1.000
1.000
0.880
0.873
0.906
0.758
Energy supplied to the user
Energy need of the user (Load)
Solar fraction (EUsed / ELoad)
Oct
Nov
Dec
PVSYST V5.06
04/11/15 Page 5/5
Stand Alone System: Loss diagram
Project :
Simulation variant :
Deber
Main system parameters
Near Shadings
PV Field Orientation
PV Array
Battery
battery Pack
User's needs
New simulation variant
System type
Linear shadings
tilt
Nb. of modules
Model
Nb. of units
Daily household consumers
Stand alone with back-up generator
15
azimuth
4
Pnom total
MK 8A4D AGM
Technology
16
Voltage / Capacity
Constant over the year
global
10
1.74 kWp
vented, vehicle starting
48 V / 664 Ah
2635 kWh/year
Loss diagram over the whole year
1846 kWh/m
Horizontal global irradiation
-2.4% Global incident in coll. plane
0.0%
Near Shading Factor on global
-3.3%
1741 kWh/m * 13 m coll.
efficiency at STC = 13.3%
3036 kWh
-3.8%
-4.3%
-2.2%
9.7%
256.5 kWh
2474 kWh
Direct use
39.7%
Stored
60.3%
PV loss due to irradiance level
PV loss due to temperature
Module quality loss
Module array mismatch loss
-5.5%
Loss by respect to the MPP running
-0.4%
-0.3%
-3.3%
-0.1%
-0.8%
2635 kWh
Array nominal energy (at STC effic.)
-1.8%
-0.5%
Back-up generator
IAM factor on global
Effective irradiance on collectors
PV conversion
Ohmic wiring loss
Unused energy (full battery) loss
Effective energy at the output of the array
Battery Storage
Battery Stored Energy balance
Battery efficiency loss
Gassing Current (electrolyte dissociation)
Battery Self-discharge Current
Energy supplied to the user
Energy need of the user (Load)
