SUCCESSFUL FIELD TRIAL Shell conducted a 12-month condition-monitoring field trial of this energy-harvesting system in the harsh environment of its Norwegian Nyhamna gas plant. Six motors were monitored, and the trial was a complete success—no failures occurred with the PMG17 or power-conditioning circuitry.
As stated in “Successful trial of wireless monitoring at Nyhamna gas plant” in the January 2008 special edition of Technology: Shell EPE Technology Learning Publication: “The system means that much greater numbers of monitoring points—many in hazardous areas—can be regularly monitored and so help the plant maintenance engineers identify potential system breakdowns in advance.”
In the same article, Sicco Dwars, Shell Global Solutions R&D Engineer, says, “A self-generating power supply is important because batteries have a limited life, particularly when they are required to work outdoors, with temperatures spanning from tropical to arctic conditions.”
To summarize, combining the PMG17 energy harvester and power-conditioning circuit with a CAP-XX supercapacitor has proven to be an ideal solution to power remote sensors where vibration energy from machinery rotating at ac line frequencies is available (Fig. 7).
For more about supercapacitors, see “Ultracapacitors Branch Out Into Wider Markets” by Components Editor Mat Dirjish at www.electronicdesign.com, ED Online 20034.
Here I am again. In my case the battery in the car would be the best power source for these sensors as it is already installed in the car. It is true that my car sensors are malfunctioning and that the sensors are stating that as a fact as well I do have the evidence of the car not accelerating properly.
Anonymous -September 23, 2009
I am thinking about my car sensors? The fuel sensor and the air sensor. They are not functioning properly so that when I drive up a mountain the car sometimes looses power. If I press the gas pedal down to the floor I can make it up the mountain but until I found this to be the case I had to pump the gas pedal and then only do spurts of power which kept on falling back to almost crawl time. Would this be the same thing as what you are describing here. Thanks for your answers
Anonymous -September 23, 2009
I am thinking about my car sensors? The fuel sensor and the air sensor. They are not functioning properly so that when I drive up a mountain the car sometimes looses power. If I press the gas pedal down to the floor I can make it up the mountain but until I found this to be the case I had to pump the gas pedal and then only do spurts of power which kept on falling back to almost crawl time. Would this be the same thing as what you are describing here. Thanks for your answers
Anonymous -September 23, 2009
I am thinking about my car sensors? The fuel sensor and the air sensor. They are not functioning properly so that when I drive up a mountain the car sometimes looses power. If I press the gas pedal down to the floor I can make it up the mountain but until I found this to be the case I had to pump the gas pedal and then only do spurts of power which kept on falling back to almost crawl time. Would this be the same thing as what you are describing here. Thanks for your answers
Anonymous -September 23, 2009
HTTP://WWW.CN486.COM
Anonymous -March 22, 2009
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