Results 181 to 190 of about 1,701,822 (335)

Hybrid AI and semiconductor approaches for power quality improvement. [PDF]

open access: yesSci Rep
Chinthaginjala R   +5 more
europepmc   +1 more source

Modelling the Four‐Dimensional Power Line Sag Dynamics by Point Signature in Time‐Series Synthetic‐Aperture Radar Images

open access: yesHigh Voltage, EarlyView.
ABSTRACT Power lines in synthetic‐aperture radar (SAR) images are reflected as point signatures, which fluctuate annually in both the azimuth and range directions. A novel framework is proposed in this paper to evaluate the four‐dimensional dynamic status of power line sag using those point signatures in time‐series SAR images.
Sijie Ma   +4 more
wiley   +1 more source

System voltage sag performance estimation

open access: yes, 2008
Voltage sags are considered as the most important power quality problem for customers in Singapore. It can occur at any location in a power distribution system. Unfortunately, customers in all sectors such as residential, commercial and industrial have more sensitive loads compared to 10 years ago. As a result, customers with sensitive loads would like
openaire   +1 more source

Flap Anatomies and Victorian Veils: Penetrating the Female Reproductive Interior

open access: yesGender &History, EarlyView.
ABSTRACT This article examines the reappearance in the early nineteenth century of anatomical flapbooks in the context of obstetrical education in Britain, America and France. It asks why liftable paper flaps were reintroduced at this time after their disappearance from medical atlases in the eighteenth century.
Margaret Carlyle, Marcia D. Nichols
wiley   +1 more source

Dynamic Lissajous patterns for real time identification and localization of power quality disturbance. [PDF]

open access: yesSci Rep
Sinha P   +8 more
europepmc   +1 more source

Rent control, rent overcharge, and racial disparity

open access: yesReal Estate Economics, EarlyView.
Abstract Rent control policies have gained renewed legislative momentum in the United States, but are rent‐regulated landlords adhering to these policies? Answering this question is critical to understanding the policy's impact. Using a unique panel data set from the New York City Housing and Vacancy Survey (NYCHVS), we investigate noncompliance with ...
Brent W. Ambrose   +3 more
wiley   +1 more source

Writing about a Prime Minister: Reflections on How Malcolm Fraser PM Happened

open access: yesAustralian Journal of Politics &History, EarlyView.
In 1989 I published Malcolm Fraser PM, a study of the way that prime minister Fraser worked. In this note I muse about the back story, about the processes involved in writing a study of a recently defeated prime minister, explaining how the book was written and what could be learnt from the interactions with Fraser.
Patrick Weller
wiley   +1 more source

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