NABCEP PV ASSOCIATES FINAL
EXAM CORRECT 100%
Voc = - ANSWEROPEN CIRCUIT VOLTAGE
ISC = - ANSWERSHORT CIRCUIT CURRENT
Vmp = - ANSWERMAXIMUM POWER VOLTAGE
Imp = - ANSWERMAXIMUM POWER CURRENT
The inverter size is based upon the - ANSWERsize of the PV array
anti - islanding - ANSWERthe 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. - ANSWERSolar modules, charge controller, battery, inverter
Battery inverters - ANSWERCreate voltage
Grid Tied Inverters - ANSWERWork when there is no utility
Main components of an AC coupled system, complicated and less common system -
ANSWERsolar modules, grid tied inverter, off grid inverter/charger, batteries
Solar grid parity - ANSWERwhen energy produced by PV is less expensive than
electricity produced by conventional means
Ampacity - ANSWERThe ability of a wire to carry current
Fuses and circuit breakers (overcurrent protection devices) - ANSWERare used to
prevent fires, arcs
open the circuit - ANSWERturn off
Voltage - ANSWERElectrical pressure
Current - ANSWERElectrical flow
Power - ANSWERRate at which electricity is used P=IxE
Energy - ANSWERAmount of electricity used
EXAM CORRECT 100%
Voc = - ANSWEROPEN CIRCUIT VOLTAGE
ISC = - ANSWERSHORT CIRCUIT CURRENT
Vmp = - ANSWERMAXIMUM POWER VOLTAGE
Imp = - ANSWERMAXIMUM POWER CURRENT
The inverter size is based upon the - ANSWERsize of the PV array
anti - islanding - ANSWERthe 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. - ANSWERSolar modules, charge controller, battery, inverter
Battery inverters - ANSWERCreate voltage
Grid Tied Inverters - ANSWERWork when there is no utility
Main components of an AC coupled system, complicated and less common system -
ANSWERsolar modules, grid tied inverter, off grid inverter/charger, batteries
Solar grid parity - ANSWERwhen energy produced by PV is less expensive than
electricity produced by conventional means
Ampacity - ANSWERThe ability of a wire to carry current
Fuses and circuit breakers (overcurrent protection devices) - ANSWERare used to
prevent fires, arcs
open the circuit - ANSWERturn off
Voltage - ANSWERElectrical pressure
Current - ANSWERElectrical flow
Power - ANSWERRate at which electricity is used P=IxE
Energy - ANSWERAmount of electricity used
