NABCEP PV Associates Final Exam - Questions With Detailed Solutions

NABCEP PV Associates Final Exam - Questions With
Detailed Solutions

Voc = Right Ans - OPEN CIRCUIT VOLTAGE

ISC = Right Ans - SHORT CIRCUIT CURRENT

Vmp = Right Ans - MAXIMUM POWER VOLTAGE

Imp = Right Ans - MAXIMUM POWER CURRENT

The inverter size is based upon the Right Ans - size of the PV array

anti - islanding Right Ans - the inverter cannot operate alone as an island of
power. The grid tied PV system have to be able to disconnect from the grid
whenever the grid is down or not within specifications.

Main components of a DC coupled system, the most common and simple off
grid systems. Right Ans - Solar modules, charge controller, battery, inverter

Battery inverters Right Ans - Create voltage

Grid Tied Inverters Right Ans - Work when there is no utility

Main components of an AC coupled system, complicated and less common
system Right Ans - solar modules, grid tied inverter, off grid
inverter/charger, batteries

Grid Tied Battery- Backup (GTBB) PV systems can Right Ans - operate as
grid tied systems and off grid systems

What are loads? Right Ans - Devices that consume electricity

Direct, Direct Coupled PV System Right Ans - The simplest type of PV
system, the only components are PV and the load.