On a PV system larger than 100kw, which PV array design will provide the HIGHEST degree of performance monitoring.
Granularity, and ease of troubleshooting performance issues?

• A.Multiple-string inverter system with data acquisition system located at each inverter.
• B.Central inverter with data acquisition system located at the inverter.
• C.Multiple-string inverter system with data acquisition system located at each dc combiner
• D.Multiple-string inverter system with monitored dc-to-dc converters located at each module

Comment: *

Name: *

Email: *

Verification: *

A PV system is designed for a location with a peak sun hours (PSH) value of 4.5. The daily load is 18 kWh, and the system efficiency is 80%. What is the minimum array size required in kW?

• A.5.0 kW
• B.6.0 kW
• C.7.5 kW
• D.4.0 kW

Comment: *

Name: *

Email: *

Verification: *

A rooftop PV system is being installed on a residential building with a 30-degree tilt angle. The modules are oriented directly south in a location where the solar noon altitude on December 21st is 30 degrees. What is the minimum distance required between two rows of modules to avoid shading between 9 AM and 3 PM solar time, assuming the module height is 3 feet?

• A.3 feet
• B.9 feet
• C.6 feet
• D.12 feet

Comment: *

Name: *

Email: *

Verification: *

A PV system equipped with rapid shutdown requires a label stating ''RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM''.
Which is the BEST description of where this label is required?

• A.On or within 3 ft. of the ac disconnect
• B.On or within 3 ft. of the ac disconnect
• C.On or within 3 ft. of the ac disconnect
• D.On or within 3 ft. of the ac disconnect

Comment: *

Name: *

Email: *

Verification: *

Most electric service providers require interactive PV equipment to comply with which for interconnection to their distribution grid?

• A.UL 1741
• B.UL 60947-1
• C.UL 2703
• D.UL 16998

Comment: *

Name: *

Email: *

Verification: *