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APL at the San Francisco Exploratorium August 20 11-3
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Report from Bear Kaufmann:
A couple weeks ago, Trystan Lea, who runs OpenEnergyMonitor (http://openenergymonitor.org) came by and we worked on testing his system on our in house 10kw Power Pallet.
The OpenEnergyMonitor is “a project to develop and build open source energy monitoring and analysis tools for energy efficiency and distributed renewable microgeneration.” The project is developed around the Arduino, thus will integrate nicely with our Arduino based Gasifier Control Unit. Trystan has some cool code and great explanations of the circuits on the site.
We tested his system on the skid, monitoring 2 legs of current and voltage from the genhead (split phase). The system doesn’t just measure the RMS amperage, voltage, and frequency, but also uses the waveform to compute real power, apparent power, power factor (wikipedia links), as well as cumulative sums and ranges over time.
We adapted the usual Power Monitor code to run on the GEK GCU. When the Power Monitor is running on a dedicated arduino, its takes a ~2 second solid block of time to sample the AC signal and compute the power measurements. With an Arduino dedicated to that task, thats fine, but when we need to also monitor [...]
Gasification PowerExchange Workshop #8: Hands-on Gasifier Assembly and Operation. 10kw “Power Pallet” Endurance Run Dates: June 4th, 5th and 6th Location: ALL Power Labs, 1010 Murray Street. Berkeley, CA
Gasification Lecture and Demo: Friday, June 4th, 7:30-9:30PM Gasifier Assembly and Building, Running and Testing: Saturday and Sunday, June 5 & 6, 11am – 7pm Contact: jim ^at^ allpowerlabs.org Cost: Free if you are a GEK or BEK owner, either through self build or purchase. $100 if you are not, pay here. RSVP to forum thread here: http://www.gekgasifier.com/forums/showthread.php?t=348
The next of our quarterly gasifier workshop weekends is set for June 4th-6th, 2010. This will also be the two year anniversary of shipping the first GEK to a professor in Canada. A few things have happened since then, and to celebrate, this workshop will focus on running all the resulting machinery. This round will a bit less welding and wrench turning, and much more hands-on running of the the completed GEK, BEK and 10kw Power Pallet gasifier genset.
To see what these gatherings are all about, here’s a video from the last winter workshop. See also the new video of start up and run of the 10kw Power Pallet on wood [...]
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ALLPowerLabs: Wow, that's the kind of statistic we love at APL. http://t.co/o3iwwfxRpy
Wow, that's the kind of statistic we love at APL.