SOLAR POWER

5. MISSION
Our corporate mission is to
make solar energy more
affordable with our
commitment to make India “GO
GREEN” and improving millions
of lives with clean and green
energy solutions.

10. Which material use in resistance
Nichrome (NiCr, nickel-chrome, chrome-nickel, etc.)
Resistance is a measure of the opposition to current
flow in an electrical circuit. Resistance is measured in
ohms,

11. 1) Direct current (dc)
2) Alternating current (ac)
Current is the rate at which
electrons flow past a point in a
complete electrical circuit. At its
most basic, current = flow.

12. Example
Voltage/potential difference can be compared to water stored in a tank. The
larger the tank, and the greater its height (and thus its potential velocity), the
greater the water's capacity to create an impact when a valve is opened and the
water (like electrons) can flow.
Voltage is the pressure from an electrical circuit's power source
that pushes charged electrons (current) through a conducting
loop,
In brief, voltage = pressure, and it is measured in volts (V).
Voltage In the term of "potential difference" are often used interchangeably.
Potential difference might be better defined as the potential energy difference
between two points in a circuit.

16. In physics, power is the amount of energy transferred or converted per unit
time. In the International System of Units, the unit of power is the watt,
equal to one joule per second

21. 1) Find the voltage across R1 Resistor
2) Find the voltage across R2 Resistor
3) Find the voltage across R3 Resistor
Answer : 1) V1=1.5KV
2) V2=5KV
3) V3=2.5KV

9 KV

22. k
1) Find the current across R1 Resisto
2) Find the current across R2 Resistor
3) Find the current across R3 Resistor
ANSWER : I1=9÷10=0.9KA
I2=9÷2=4.5KA
I3= 9÷1=9KA
TOTAL CURRENT= 14.4KA
TOTAL RERSISTANCE=0.625
I=9÷0.625= 14.4KA
9 KV

23. Two Commonly used technologies in batteries are
1) Lead acid batteries.
2) Lithium ion batteries.

29. • Series connection gives higher voltage
• Current remains same

31. Series and Parallel connected Solar Panels
Gives higher voltage and higher current.

33. MATERIAL EFFICIENCY
Mono crystalline silicon 15-20%
Poly crystalline silicon 13-16%
Amorphous
(Thin Film)
6-8%
CdTe Cadmium Telluride
(Thin Film)
9-11%
CIGS copper indium gallium selenide solar (Thin
Film) 10-12%

34. Rated Maximum Power(Pmax) [W] 305 310 315 320
Open Circuit Voltage(Voc) [V] 39.85 40.15 40.46 40.86
Maximum Power Voltage(Vmp) [V] 33.23 33.59 33.92 34.25
Short Circuit Current(Isc) [A] 9.73 9.77 9.84 9.89
Maximum Power Current(Imp) [A] 9.18 9.23 9.29 9.35
Module Efficiency [%] 18.5 18.8 19.2 19.5
Power Tolerance 0~+5W
Temperature Coefficient of Isc(α_Isc) 0.048%/℃
Temperature Coefficient of Voc(β_Voc) -0.271%/℃
Temperature Coefficient of Pmax(γ_Pmp) -0.336%/℃

35. Ø A house has appliances of THREE LED bulbs of
each 5W and
Ø TWO ceiling fans of each 70 W. What is the total
power of their house appliances?
• Power of LED= 5w×3
= 15w,
• Power of ceiling fans= 70w×2
=140w
• Total power =15+140=155w

37. Sr.
no.
AC Appliances LOAD ( watt) no. hrs total Load
power
1 Bulb 100 watts 5hrs 500 watts
2 Fan 50 watts 10hrs 500 watts
3 A.C 1KW 5hrs 5000 watts
4 computer 300 watts 5hrs 1500 watts

41. A fan of power 50 W is used 8 hours per day
and a TV of power 40 W is used 6 hours per
day. What is the energy consumption of a fan
and TV per month of 30 days?
Answer =19200 Wh

44. • Series and parallel connection
• Each cell is of 1.5V of the cell

46. An inverter converts the DC voltage to an AC
voltage. In most cases, the input DC voltage is
usually lower while the output AC is equal to the
grid supply voltage of either 120 volts, or 240 Volts
depending on the country.

47. 1. Electricity Generation
2. Solar Electric Fencing
3. Solar Water Pumping
4. Solar Street Lighting and many more

48.  Electricity is generated through the solar panels and is used to
operate various parts of a satellite.

49. D) Connect "fence' terminal to fence we
usinginsulatedhookup wire.
2 Mile Solar
Fence
Charger
A) Solar
controllers
should be
outside.
C)
Connect
"grocrrd*
terminal
to ground
rods with
insulated wire to
ground rod damps.
B) Drive three
6‘orJT
ground
rods vito sod 10’
apart.

52. US

57. 1) Module tolerances
2) Temperature
3) Dust
4) Mismatch and wiring losses
5) DC to AC conversion losses
7) If battery is used for back up an additional loss of 6 to 10%
8) Changing direction of the sun

63. SR NO COMPONENT MAKE WARRANTY LIFE
1 SOLAR PANEL WAREE 10 YEAR 25 YEAR
2 BATTERY EXIDE DRY 5 YEAR 8 YEAR
3 INVERTER SU-KAM 2 YEAR 10 YEAR
4 CHARGE CONTROLLER SU-KAM 1 YEAR 10 YEAR
5 NET METER SECURE 1 YEAR 15 YEAR