Showing posts with label Martin Lorton. Show all posts
Showing posts with label Martin Lorton. Show all posts

Wednesday, January 30, 2013

How to Solar Power Your Home / House #2 - How to save energy / electricity for solar power

Martin Lorton just released the second part of his video series called "How to Solar Power your Home" and it is, like the first episode, very instructive; He goes into details on home electrical appliances energy consumption and tell us how to reduce them before looking into the sizing of your future solar system ...

How to make your home more energy efficient ready for solar power. Solar geysers, heat pumps, efficient pool pumps, LED lighting...and more...

Martin starts by writing down the Power used by each appliance in his home and multiplies it by the duration it operates => that gives the Energy used; Adding all the appliances energy consumptions, he gets the overall energy usage


Then he goes around the house to show us what he did to save energy, and here in the kitchen shows LED lighting that has replaces the regular fluorescent lights that were  used before => 3 times more efficient


Then, outisde, his pool pump has been replaced by a more efficient and programmable one, running most of the time in economy mode, saving energy, and sometimes turning faster


Then onto the roof, he add installed a solar geyser - solar water heater - that is gving hot water for free in summer for 5 months, and that needs supplement of heat brought by the heating element in other seasons, especially winter


This solar geyser has also a programmable control unit / display panel


After all this, he returns to his office, and shows us, on the paper agin, the energy savings applied to each appliance, and the overall energy use reduced by more than half ! This is for sure where everybody has to start before considering a solar system


To measure instant power, current, and energy on an appliance, it is good to use this cheap Kill A Watt meter that will show you all these figures and help you see what is going on in your house

Thursday, September 27, 2012

ExSolar - Home Solar Power Installation

Martin Lorton shows us his home solar installation and it is very interesting ! A must watch :-)
He explains his choice of solar panels type, grid tie inverter, battery bank, battery charger, energy monitor, and off grid mode switching


On the roof with the solar arrays: his choice: 2000W of monocritallin type panels

His Victron inverters: one the right, a regular grid tie one, and on the left it is a charger/off grid inverter using the battery bank only when the mains is switched off (the orange box is a high DC current switch)

Here, on the left is the power company meter and on the right the battery bank monitor (Victron)

Home electricty panel with a main switch allowing to connect to the grid (power company) or to the battery bank powered inverter (left Victron blue on the second pictures above)

This is the energy monitoring on a computer

The battery charger/off grid inverter system is a Victron Quattro
It has a computer based interface to set up thresholds, timers and behaviours for complete automation

Monday, September 17, 2012

How to Solar Power Your Home / House #1 - On Grid vs Off Grid

Martin Lorton lives in Cape Town, South Africa and does great video technical reviews

In this one he goes through the components that are part of a solar power solution and explains the differences between On-grid vs. off grid.



His roof solar setup


Outback Flexmax Battery Charge Controller


Victron Grid Tie Inverters


White board diagram explanation and comparison of ON GRID / OFF GRID

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