QUESTIONS & SOLUTIONS(RATED
A+)
Accessible, Readily (Readily Accessible) - ANSWERCapable of being reached quickly
for operation, renewal, or
inspections without requiring those to whom ready access is requisite to climb over or
remove obstacles or to
resort to portable ladders, and so forth.
AFCI: - ANSWERAn arc‐fault circuit protection device interrupts arcing faults in the PV
source and output circuits. (Broken
or poor connections are the cause).
Alternating‐Current (AC) Module - ANSWERA complete, environmentally
protected unit consisting of solar cells, optics, inverter, and other components, exclusive
of tracker, designed
to generate AC power when exposed to sunlight.
Alternating‐Current (AC) Module (Alternating‐Current Photovoltaic Module) - ANSWERA
complete, environmentally
protected unit consisting of solar cells, optics, inverter, and other components, exclusive
of tracker, designed
to generate AC power when exposed to sunlight.
Altitude angle - ANSWERThe angle of something referenced from the horizon toward
the zenith, usually refers to the
sun (solar altitude angle).
Altitude angle - ANSWERThe angle of something referenced from the horizon toward
the zenith, usually the sun.
Amorphous - ANSWERWithout form, as in non‐crystalline.
Ampacity - ANSWERThe current carrying capacity of a wire or conductor.
Amps (current) - ANSWERA measure of flow of electrons into or through a material
Anti‐islanding - ANSWERA mechanism that prevents an inverter from sending power
into the utility grid when the grid is
down.
, Array - ANSWERA mechanically integrated assembly of modules or panels with a
support structure and foundation,
tracker, and other components, as required, to form a direct‐current power‐producing
unit.
ASCE - ANSWERAmerican Society of Civil Engineers.
ASHRAE - ANSWERAmerican Society of Heating, Refrigerating and Air‐Conditioning
Engineers
Authority Having Jurisdiction (AHJ) - ANSWERAn organization, office, or individual
responsible for enforcing the
requirements of a code or standard, or for approving equipment, materials, an
installation, or a procedure.
Autonomy - ANSWERThe number of days the battery bank can support loads without
requiring a recharge.
Azimuth - ANSWERThe cardinal direction an object is facing. A reading on a compass
Azimuth - ANSWERThe direction an object is facing; 360° reading on a compass
Ballast - ANSWERA heavy object used to offset another weight or force such as wind
lift.
Battery DOD - ANSWERDepth of Discharge is the % of energy that is drained from the
battery.
Battery SOC - ANSWERState of Charge is the % of energy remaining in the battery.
Battery - ANSWERA device that stores and converts the chemical energy contained in
its active materials directly into
electrical energy.
Bimodal or Multimodal - ANSWERAn inverter that can operate as stand‐alone or utility
interactive.
Bipolar Photovoltaic Array - ANSWERA photovoltaic array that has two outputs, each
having opposite polarity to a
common reference point or center tap.
Blocking diode - ANSWERA diode placed in a circuit to prevent reverse flow of
electricity. Battery‐to‐battery or PV
module to battery.