Microgrids can not only achieve a bi-directional exchange of energy with the main grid in a grid-connected operating mode, providing mutual support, but also disconnect with the main grid if there is an external malfunction or when needed for another reason, operating in an islanded mode [2].
One important function of this kind of inquiry was to determine the extent to which human reason, operating without the assistance of divine revelation, could by its own power establish the meaning, validity and truth of concepts and claims about God.
They only seem laudable if we assume that facts don't contribute to a person's grasp of the logical space in which reason operates.
For Hegel, too, the function of philosophy is to discover the place of reason in nature, in experience, and in reality to understand the laws according to which reason operates in the world.
For Burkean conservatives, "reason" operates only relative to or within a prior "non-rational stabilisation of belief" in habit or prejudice a stabilisation necessary to avoid scepticism in the traditional philosophical sense.
Ockham's insistence that reason operates independently of faith allowed science to be separated from theology and philosophy.
None of these reasons for operating at a vast size is benign.
"The historical reasons for operating as a conglomerate have been cost savings from synergies," said Chris Wood, an analyst with J. P. Morgan in London.
Sydney Coleman, executive vice-president of the ASPCA, said that there might be legitimate reasons for operating on a horse's tail; the tail might get broken while the animal was travelling in a horse van.
There are several compelling technological and commercial reasons for operating H2/air PEM fuel cells at temperatures above 100 °C.
