photovoltaic Flashcards

0
Q

what are basic components of a photovoltaic system

A

photovoltaic modules, charge controllers, batteries and inverters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

what are the advantages of photovoltaic systems

A

reliability, low maintenance, environmentally friendly, free fuel, locally generated power, flexible size, and transportability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what are the types of stand alone pv systems

A

stand alone pv, stand alone dc pv and stand alone ac pv

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is a grid utility

A

uses the utility power grid as a back up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

whats the most common solar cell material

A

silicon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the factors that determine a photovoltaic modules output

A

load impedance solar irradiance cell temp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

whats Isc

A

short circuit current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is Voc

A

open circuit voltage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

whats the peak power formula

A

Vmp x Imp = pm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

how are batteries rated

A

according to their storage capacity measured in amp hourd

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

how does pv module performance vary with temperature

A

current remains constant voltage varys

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

how does pv module performance vary with irradiance

A

current decreases but voltage remains constant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly