ELECTRICITY

As more and more countries are industrialised, energy consumption is increasing. World energy consumption has risen by 25 since last century. Average electricity consumption per capita is about ten times higher in industrialized countries than in the developing world. However, demand is growing up almost 5% annually all over the world, so we'll need new sources of renewable and sustainable energy such as solar power.

Page Contents

  1. Solar Power
    1. Spreadsheets & Calculations
    2. Guides & Useful Data
    3. Equipment Manuals & Photos
    4. Links
  2. Deep Cycle Batteries
    1. Guides & Useful Data
    2. Links
  3. Basic Electrical Engineering

1. Solar Power

1a. Spreadsheets & Calculations

## Advanced Solar Power Design Spreadsheet
(Issue 1, May 2005)
This spreadsheet can be used to design and size a solar power and battery system. Below are links to the Spreadsheet and instruction on how to use it.

1b. Guides & Useful Data

## A Guide To Photovoltaic Panels
(Jan 2005)
Information about PV panels, how to interpret manufactures' data and how to select the correct mounting angle.

## Solar Panel Angle Chart.
This graph can be used to determine the angle at which a solar panel will be perpendicular to the sun at mid-day at any latitude.

## The Sun As A Source Of Energy
(Issue 1, April 2005)
A guide to how to calculate the amount of the Sun's energy that is incident on an inclined plane at any latitude. Including a section on solar astronomy.

1c. Equipment Manuals & Photos

## Trance Inverter & Charge Controller Manuals
All Acrobat files. Check for updates on their website www.traceengineering.com.

## Photos
Click here to view photos of a solar power installation in a small rural clinic.

1d. Solar Links

## http://energy.caeds.eng.uml.edu/fpdb/irrdata.asp
Data for monthly mean solar irradiation on a horizontal plane. The database contains listings from thousands of weather stations around the globe.

##http://www.heavens-above.com
Find out the latitude and elevations of locations around the globe, includes listings for even very small towns.

## http://www.retscreen.net/ang/home.php
Free solar design software can be found here. Some excellent backup material is available in their textbook section.

## http://windsun.com
This site contains many spec. sheets for solar panels, batteries, inverters, charge controllers etc. Also a very useful battery FAQ page can be found at: http://windsun.com/Batteries/Battery_FAQ.htm

## http://www.powerfromthesun.net/book.htm
An in depth scientific guide to solar power can be found here. It is a work in progress.

## http://www.oksolar.com
Many panel specification sheets can be found at this site.

2. Deep Cycle Batteries

2a. Guides & Useful Data

## A Guide To Lead-Acid Batteries
(Jan 2005)
General information about lead-acid batteries, charging practice, determining the state of charge and safety tips.

## Typical Battery Capacity Vrs. Temperature Curve

## Typical Battery Life Vrs. Depth of Discharge Curve

## Typical Battery Capacity Vrs. Discharge Rate Curve
(Surrette Series 500)

## Trojan (86.1KB)
Data sheet covering Trojan's lead-acid batteries.

2b. Battery Links

## http://windsun.com/Batteries/Battery_FAQ.htm
A very useful battery FAQ page.

## http://www.batteryuniversity.com
A university for batteries.

3. Basic Electrical Engineering

## A guide to the basics of electrical engineering, starting from basics.

## http://www.allaboutcircuits.com
A complete textbook online. Note that this textbook uses vector based maths

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