StudentShare solutions

# Solar Panel Battery Charger 6-12V - Research Paper Example

## Extract of sample Solar Panel Battery Charger 6-12V

The comparator compares the voltage from the battery and acts as a switch for the voltage regulator circuit. Finally, the battery voltage checker checks the voltage of the battery (as it received from the panel) to determine if the battery needs to charge more.
The circuit is designed to be simple, efficient and reliable by using easily available field replaceable parts. It uses a 12V, 5W solar panel rated from 100 milliamps to 1A and a lead acid or other rechargeable battery that is rated from 500 milliamp hours to 40 amp hours of capacity.
This circuit regulates the voltage flow from the photovoltaic panel to the lead acid battery. It can produce currents up to 150mA. When external pass transistors are added to this circuit, output currents can reach up to 10A. The maximum input voltage to this circuit is 40V (LM723, 2004) with an output voltage adjustable between 2V and 37V. This circuit consists of a series regulator, LM723.
...
Figure 11 and Figure 12 are the connection diagram and the datasheet circuit (Voltage regulator, 2012) as below: Figure 11: Connection Diagram Figure 12: Datasheet Circuit The basic building blocks of LM723 are: 1 The Reference Voltage Amplifier 2 The Error Amplifier 3 The Series Pass Transistor. The equivalent circuit of LM723 (LM723/LM723C Voltage Regulator, 1994) is shown in Figure 13 as below: Figure 13: Equivalent circuit of LM723. The main components used in the voltage regulator circuit are (Table 1): Table 1: Main components of the voltage regulator circuit Quantity Component Value 1 LM723 - 1 R1 4.87k ? 1 R2 7.15k ? 2 Transistor 2N3055 1 Diode 1N4007 1 VR 10k ? 1 C1 0.1?F 1 C2 500PF Calculations: Following are the calculations for design and operation of the circuit: Output voltage- Vout = Vref x ((R1+R2)/R2) Where R1= 4.87K, R2= 7.15K and Vref= 7.35V from the datasheet. Vout= 7.35 x ((4.87 + 7.15)/7.15) = 12.36V. Figure 14: Output voltage. Current- The current is established from the Darlington transistor pair in the regulator circuit (Q1 and Q2 in Figure 10). Q1 and Q2 (2N3055) are silicon, Epitaxial-Base Planar NPN transistor mounted in a Jedec TO-3 metal case (Charger Circuit for 6V or 12V Car Battery, 2012) and are recommended for use in power switching circuits, series and shunt regulators, output stages and high fidelity amplifiers. Figure 15 shows the Darlington transistor pair: Figure 15: Darlington transistor pair used in voltage regulator circuit. In this circuit, a voltage of 0.7V is applied to the base (B) of the first transistor (TR1) to switch it on. A current of 300 milliamps passes through the first transistor from the collector (C) to the Emitter (E). The emitter of TR1 is connected to the second ...Show more

## Summary

The circuit design for the solar panel battery charger will be explained in detail with all relevant calculations for voltage, current, load, power, etc. …
Author : alessandra16
Save Your Time for More Important Things
Let us write or edit the research paper on your topic
"Solar Panel Battery Charger 6-12V"
with a personal 20% discount.
Grab the best paper

### Check these samples - they also fit your topic

Solar Panel Energy as an Alternative to Traditional Electrical Energy for Residental Dwellings
Reducing the use of fossil fuels is an important factor as it helps in diminishing the adverse economic impacts resulting from climate change. This is the main reason why individuals are focusing on the utilization of greener energies such as solar, wind, hydropower among others (Pullen, 2009).
10 pages (2500 words) Research Paper
Solar Energy
Nuclear energy is believed to be an option for solving our energy crisis. However, the recent incidents in Japan, and the past accidents occurred at Three Mile Islands, Chernobyl etc forced us to think twice before going after the exploitation of nuclear energy.
4 pages (1000 words) Research Paper
Solar energy
Nuclear energy is believed to be an option for solving our energy crisis. However, the recent incidents in Japan, and the past accidents occurred at Three Mile Islands, Chernobyl etc forced us to think twice before going after the exploitation of nuclear energy.
2 pages (500 words) Research Paper
Nanowire Battery
Nano wires are also called as quantum wires due to their structure and they are capable of absorbing electric charge. Though they expand in volume, they do not crack. Nanowires are made of silicon, germanium or other combinations like amorphous silicon, tin oxides.
5 pages (1250 words) Research Paper
Solar enrgy
Solar Energy Solar Energy is one of the most effective and affordable alternative sources of energy. Alternative source of energy refers to any energy source that is not based on fossil fuel; any energy source that is not derived from the fossil fuel. Some of the common sources of alternative energy include: solar energy, geothermal energy, Wind energy, Nuclear energy, Hydrogen energy, and Biofuel and Ethanol sources of energy.
8 pages (2000 words) Research Paper
Solar Energy
These panels are composed of unique cells which capture solar energy which is then used or stored in other devices for later use (Benduhn 4). There are many advantages that come with the use of solar energy. Apart from being a
2 pages (500 words) Research Paper
Solar Energy Systems
Fossil fuels are the most popular energy source even though other sources of energy are available in this world. One of the most difficult problems associated with fossil fuels is its non-renewable nature. It should be noted that energy sources are
14 pages (3500 words) Research Paper
Home solar applications
Solar power is known to be a non-pollutant and renewable as compared to oil, natural gas and coal. The United States for instance boasts of slashed energy bills meaning that the country’s dependence on imported fuels is minimized (DeGunther, 234). It is worth noting that
2 pages (500 words) Research Paper
Solar power
The core objective of this report is signifying the importance of solar energy and how it has been proven to be one of the most sources of energy production in recent times. The document analyzes the history and development
18 pages (4500 words) Research Paper
Starting a new solar panel company in Germany
This makes Germany an attractive market for all kinds of goods and services, and that the Germany economy is advanced makes it also very
12 pages (3000 words) Research Paper
Hire a pro to write