BayWa r.e. and Ampt have deployed a combination of wind and solar generation together with battery storage within the microgrid at the Fraunhofer Institute for Chemical Technology (ICT) campus in Pfinztal, Germany.
BayWa r.e. installed three rooftop arrays and one ground-mounted system with a total capacity of 690 kWp to expand onsite energy utilization. The systems are connected to the power grid without their own inverters, but instead through an existing 2 MW wind turbine. A 10 MWh flow BESS is part of the system as well.
Leveraging Ampt String Optimizers, each of the different technologies was integrated through a shared DC bus, says the company, adding that this way, generation variability across the PV systems can be managed and the different systems united at a high and fixed voltage.
Ampt String Optimizers are DC/DC converters that perform maximum power point tracking (MPPT) and recover energy losses due to voltage and technology differences, according to BayWa r.e. Through individual string MPPT, Ampt optimizers mitigate the energy losses caused by shade from surrounding buildings on the Fraunhofer ICT campus. The optimizers are programmable and provide string-level data, enhancing visibility of the system functions as well as operation and maintenance capabilities.
“We are delighted to bring this milestone project to life. Ampt’s technology simplified a technically very complex project,” says BayWa r.e.’s Andrea Grotzke. “The way we have added solar to the existing wind energy and battery storage system is unique, and in successfully completing this project we were able to further improve our own expertise and capabilities. We are pleased with the result of this innovative power solution symbiosis and our ability to meet our customer’s individual requirements.”
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BayWa, Ampt, Fraunhofer ICT Deploy Energy Storage Combination System
Renewable Energy
Losing My Religion
Some may find the claim at left compelling.
But consider Japan, China, the Czech Republic, Denmark, Norway, Sweden, and Finland that are almost completely atheist. The other nations in Western Europe have also steadily moved away from religion.
Have they “lost their countries,” or is this a present-day scare tactic directed by fear-mongers, just as it has been since the Dark Ages?
Renewable Energy
Is It Odd that Many Words in English are Supernumerary? Or Is that Superfluous? Extraneous? Unnecessary?
Not at all.
English has an uncountable thousands of words it doesn’t need. If you don’t believe me, check out “A Word a Day,” and learn the meanings of words that are completely useless. The last two days brought us:
- April 14: Flocculent (adjective: having a fluffy, woolly texture).
- April 13: Impetrate (verb: to obtain by request or entreaty).
Maybe this impressed people a century ago, but if I wrote that a sheep was flocculent, I think you’d be rolling your eyes.
While some English speakers 400 years ago were discovering gravity, developing calculus, using newly minted telescopes to explore our solar system, and refining our understanding of logic as originally put forth by Aristotle, others were inventing words for groups of animals.
Sure, it’s useful to have words like “pack” (for dogs), “herd” (for cows and horses), “flock” (for birds), and perhaps a few others. But what about a group of owls (a parliament), flamingos (a flamboyance), or ferrets (a business)? And that’s just the beginning.
By contrast, Spanish has too few words, IMO. For those interested, here are the 15+ possible meanings in English of the verb “llevar.” As someone who made an honest attempt to learn the language, I’d go into panic mode when someone would say something with any conjugation of that verb. S***! Is he talking about wearing something, Giving someone a ride? Bringing something? Getting along well with someone? Stealing something?
Renewable Energy
The Universe Doesn’t Care About Us
If you believe that a loving God has a plan for you, and is steadily guiding you towards happiness, then you disagree with the assertion here.
The rest of us are forced to admit that the universe is cooly indifferent to us and the outcome of our lives here on Earth.
This doesn’t mean, btw, that our lives are meaningless, but it does compel us to create our own meaning as we make our choices as we go along.
Another point to be made here is that there is no “galactic cavalry” that is going to come charging in, guns ablazing, to save us from the criminal insanity of the Trump administration.
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