Solar PV Installation and Batteries UPDATED Exam Questions and CORRECT Answers
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Course
Solar PV Installation and Batteries
Institution
Solar PV Installation And Batteries
Solar PV Installation and Batteries
UPDATED Exam Questions and
CORRECT Answers
what type of batteries are used - Correct Answer- valve regulated lead-acid
what is the additional safety margin on Fuses and AC Breakers - Correct Answer- 125% on
Fuses and AC Breakers
ISC - Correct Answer- Shor...
Solar PV Installation and Batteries
UPDATED Exam Questions and
CORRECT Answers
what type of batteries are used - Correct Answer- valve regulated lead-acid
what is the additional safety margin on Fuses and AC Breakers - Correct Answer- 125% on
Fuses and AC Breakers
ISC - Correct Answer- Short Circuit Current
Voc - Correct Answer- Open Circuit Voltage
Inverter output designs - Correct Answer- Sine Wave and Modified Sine Wave
Kwh to Watt hours - Correct Answer- x 1000 = Watt Hours
Electrolyte and how to use it - Correct Answer- liquid or gel in batteries that contains ions. If
frozen in a battery do Not charge.
Flooded Open-Vented Batteries need what - Correct Answer- Equalization. Short Period over
charging of batteries to refresh cell capacity.
Parallel battery connections should be limited to how many strings - Correct Answer- 3-4
strings
Soiling - Correct Answer- accumulation of dust and dirt on an array that shades and reduces
electrical output.
Deep Cycle Lead-Acid batteries can be discharged how much - Correct Answer- 80% most
PV systems use this type of battery
, Charge Controller - Correct Answer- controls the charging rate and/or state of charge for
batteries. Also can monitor system performance and provide system protection.
How do batteryless PV Systems connect - Correct Answer- In Parallel through the utility
Service to panel.
AC current losses vs DC current losses using the same wire - Correct Answer- AC loses a lot
less, more efficient
Closed Circuit Voltage vs Open Circuit Voltage - Correct Answer- =?
rated Voltage in PV source circuit should be which voltage - Correct Answer- Closed-Circuit
Voltage
Absorption Coefficient - Correct Answer- Amount of Voltage, Current, and power output of a
solar cell changes due to a change in cell temperature
Multi Wire Branch Circuit - Correct Answer- each individual wire is seperate and not
combined in the same sleeve/conduit which is dangerous.
Albedo - Correct Answer- ratio of light reflected by a surface to the light falling on it
Continuity should be measured with power? - Correct Answer- Off
Resistance in wire increase as a function of? - Correct Answer- Temperature
Rectifier - Correct Answer- Device that turn AC current into DC current by allowing
electricity to flow through it.
Power Factor - Correct Answer- Measure of Inverter Performance
Polarity - Correct Answer- The direction of a magnetic or electric field. electric poles.
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