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Three-Phase Power Imbalance Decomposition Into Systematic Imbalance and Random Imbalance [PDF]

open access: yesIEEE Transactions on Power Systems, 2018
Uneven load allocations and random load behaviors are two major causes for three-phase power imbalance. The former mainly cause systematic imbalance, which can be addressed by low-cost phase swapping; the latter contribute to random imbalance, which requires relatively costly demand-side managements.
Qiuwei Wu, Kang Ma, Wangwei Kong
exaly   +3 more sources
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Redox imbalance

Cell and Tissue Research, 2004
Substantial evidence implies that redox imbalance attributable to an overproduction of reactive oxygen species or reactive nitrogen species that overwhelm the protective defense mechanism of cells contributes to all forms of Parkinson's disease. Factors such as dopamine, neuromelanin, and transition metals may, under certain circumstances, contribute ...
Daniela, Berg   +2 more
openaire   +2 more sources

Imbalances and Their Correction

Clinical and Experimental Optometry, 1934
Our author reviews in a pithy manner the changes that have occurred in viewpoints and procedures in regard to the phorias. He tells succinctly the conclusions that he has reached as a result of his studies of theories and his experience in their application; also the methods that he employs in his practice, according to the type of case.
openaire   +1 more source

Sagittal Imbalance

Neurosurgery Clinics of North America, 2006
Sagittal imbalance may be either segmental (type 1) or global (type 2). Careful preoperative evaluation is essential to determine the presence and extent of any inherent flexibility in the deformity. Flexible deformities may be corrected with careful intraoperative positioning and instrumented fusion.
Peter D, Angevine, Keith H, Bridwell
openaire   +2 more sources

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