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Solar radiation
Solar irradiance
Solar irradiation
Solar insolation
Solar constant
Air mass
Ecliptic plane
Equatorial plane
Pyranometer
Solar declination
Solstice
Equinox
Solar time
Solar altitude angle
Solar azimuth angle
Solar window
Array tilt angle
Array azimuth angle
Solar incidence angle
Energy equation
V=
I=
R=
W=
Isc=
Voc=
Imp=
Vmp=
Imp x Vmp =
STC
MPPT
Wiring in series increases ________, wiring strings in parallel increases ________.
120% rule
Max current on PV source circuit=
DC PV conductor sizing
What kind of wire is white?
What kind of wire is green or bare?
What kind of wire is black?
Wire sizes
Temperature correction factors for cold temperatures
Calculate circuit breaker size.
Calculate battery sizing given days of autonomy and depth of discharge.
Peak sun
Peak sun hours
Consequences of array shading and best practices for minimizing shading and preserving output
Spacing distances
Five key electrical output parameters
Performance rating and measurement conditions
Overcurrent protection
Conduit and raceway systems
Switchgear
Junction and combiner boxes
Terminators
Connectors
De-rating factors and system losses
Major components of a PV system
A fall protection system must be in place for all work done at heights in excess of _______.
A circuit breaker performs the same function as ______.
What typically trips a breaker?
Between the main pane and the inverter, you have _______.
Between the array and the inverter, you have _______.
KNOW HOW TO READ A SUN DIAGRAM
2 phase is...
Utility interconnection is done in this order:
In California, magnetic North is pointing....?
The critical design month is the worst case scenario where the load and the _______ are used to size the PV system
If you combine solar and wind energy in an off-grid system, it is ______.
Irradiance proportionally affects
The further north you are, the better it is to
Temporarily shorting the output terminals of a PV module will
KNOW HOW TO READ A SUN PATH DIAGRAM
When the sun sets on summer solstice, it is the farthest ______ that it will ever set.
The best way to increase your PV output is to
What factor inhibits higher voltages in PV?
Linear current boosters
Irradiance is measured in
The length of time a load is on...
Equinox
Ideal altitude and azimuth orientations for PV arrays
What is the rule of thumb for estimating daily and yearly output for a PV array?
Calculate the efficiency of a PV module.
How to calculate appropriate distance between modules
Why is DC current more dangerous that AC?
Ideal angle (altitude) of collector =
Charge controller
