GRID CONNECTED PV SYSTEM PERFORMANCE ANALYSIS
LOCATION: GREEN ENERGY RESEARCH CENTRE
UNIVERSITI TEKNOLOGI MARA
SHAH ALAM
Ahmad Maliki Omar
Head
Green Energy Research Centre (GERC)
FKE UiTM Shah Alam
JUL 2016
Contents
1. System Specification
2. Solar Irradiance
3. Module Temperatute
4. Ambient Temperature
5. DC Voltage
6. DC Current
7. Array Efficiency
8. AC Power output
9 Monthly Energy Yield
10. Monthly Performance Ratio
11. Inverter field efficiency
12. Inverter Safe Operating Area (SOA)
13. Effect on Grid Supply
14. Safety and Protection
1. System Specification
There are two types of GCPV system installed; System 1 and System 2
Type of system : Single-phase grid connected photovoltaic power system
Type of system : Three-phase grid connectd photovoltaic power system
Type of structure: Retrofitted on metal deck
Type of structure: Retrofitted on metal deck
Tilt angle: 10 Deg facing South-East
Tilt angle: 10 Deg facing South-East
Type of module: Yingli YL235P-29b (Polycrystalline)
Type of module: Yingli Panda 250Wp YL250C-30b (Monocrystalline)
PV array configuration: Port A: 1 by 12
Port B: 1 by 11
PV array configuration: Port A: 1 by 18
Port B: 1 by 18
Total array power: 5.405 kWp
Total array power: 9.0 kWp
Figure: Polycrystalline module
Figure: Monocrystalline module
Figure: Single-phase inverter
Figure: Three-phase inverter
Figure: Solar irradiance sensor
Figure: Solar irradiance sensor
Average daily Peak Sun Hour:
Average daily Peak Sun Hour:
SOLAR IRRADIANCE VERSUS MODULE TEMPERATURE
SOLAR IRRADIANCE VERSUS MODULE TEMPERATURE
4. Ambient Temperature
Note: Sensors are located between metal deck and PV modules which might not represent actual ambient temperature
MODULE TEMPERATURE VERSUS AMBIENT TEMPERATURE
MODULE TEMPERATURE VERSUS AMBIENT TEMPERATURE
VOLTAGE AT STRING 1 VERSUS MODULE TEMPERATURE
VOLTAGE AT STRING 1 VERSUS MODULE TEMPERATURE
VOLTAGE AT STRING 1 VERSUS MODULE TEMPERATURE
VOLTAGE AT STRING 2 VERSUS MODULE TEMPERATURE
STRING 1 CURRENT VERSUS SOLAR IRRADIANCE
STRING 1 CURRENT VERSUS SOLAR IRRADIANCE
STRING 2 CURRENT VERSUS SOLAR IRRADIANCE
STRING 2 CURRENT VERSUS SOLAR IRRADIANCE
AC POWER VERSUS SOLAR IRRADIANCE
AC POWER VERSUS SOLAR IRRADIANCE
AC POWER VERSUS MODULE TEMPERATURE
AC POWER VERSUS MODULE TEMPERATURE
AC POWER VERSUS STRING VOLTAGE
AC POWER VERSUS STRING VOLTAGE
HISTOGRAM NUMBER OF AC POWER OCCURENCE
HISTOGRAM NUMBER OF AC POWER OCCURENCE
Energy yield for system 1:
Energy yield for system 2:
Specific Yield for system 1:
Specific Yield for system 2:
10. Monthly Performance Ratio
11. Inverter field efficiency
12 Inverter Safe Operating Area (SOA)
SAFE OPERATING AREA (SOA) OF INVERTER
SAFE OPERATING AREA (SOA) OF INVERTER
AC POWER VERSUS DC VOLTAGE
AC POWER VERSUS DC VOLTAGE
13. Effect on Grid Supply
14. Safety and Protection
