Seth R. Sanders
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View article: Safe assembly and installation of a flywheel
Safe assembly and installation of a flywheel Open
A flywheel device includes structures allowing the flywheel system to be assembled offsite, transported safely, and installed with relatively few steps. The flywheel includes a rotor and a housing enclosing the rotor, where the housing inc…
View article: Revisiting Power Systems Time-domain Simulation Methods and Models
Revisiting Power Systems Time-domain Simulation Methods and Models Open
The changing nature of power systems dynamics is challenging present practices related to modeling and study of system-level dynamic behavior. While developing new techniques and models to handle the new modeling requirements, it is also c…
View article: Switched-capacitor isolated LED driver
Switched-capacitor isolated LED driver Open
A switched-capacitor voltage converter which is particularly well-suited for receiving a line voltage from which to drive current through a series of light emitting diodes (LEDs). Input voltage is rectified in a multi-level rectifier netwo…
View article: Stub shaft for connection with a flywheel rotor
Stub shaft for connection with a flywheel rotor Open
An energy storage system including a solid steel flywheel rotor, journals, and separate stub shafts for connecting to the journals has improved material properties offers improved energy storage at reduced cost.
View article: Apparatus and method for magnetically unloading a rotor bearing
Apparatus and method for magnetically unloading a rotor bearing Open
An apparatus and method for unloading a rotor bearing is described. The apparatus includes an electromagnet for levitating the rotor. In one embodiment, a sensor of the magnetic field near the electromagnet is used to control the current t…
View article: The Biblical Priestly Tradition as Material Religion: A Comparative Ancient Mediterranean Approach
The Biblical Priestly Tradition as Material Religion: A Comparative Ancient Mediterranean Approach Open
This chapter lays out how the Priestly corpus represents a distinctive form of material religion within the ancient Near East. Both its ideology and practice, on the one hand, and its physical shape as a composition, on the other, are dist…
View article: The Impact of Female Teachers on Female Students' Lifetime Well-Being
The Impact of Female Teachers on Female Students' Lifetime Well-Being Open
It is widely believed that female students benefit from being taught by female teachers, particularly when those teachers serve as counter-stereotypical role models.We study education in rural areas of the US circa 1940--a setting in which…
View article: Overturned Boat: Intertextuality of the Adapa Myth and Exorcist Literature. By Amar Annus
Overturned Boat: Intertextuality of the Adapa Myth and Exorcist Literature. By Amar Annus Open
Overturned Boat: Intertextuality of the Adapa Myth and Exorcist Literature. By Amar Annus. State Archives of Assyria Studies, vol. 24 . Helsinki: The Neo-Assyrian Text Corpus Project, 2016. Pp. xii + 144. $59 (paper).
View article: The Power Control Rack: A Modular Solution for Building Power Systems
The Power Control Rack: A Modular Solution for Building Power Systems Open
LDRD proposal presentation to ETA ALD at LBNL. Proposing use of SST to create a modular efficient single point of common coupling for buildings.
View article: Efficient and Zero Net Energy-Ready Plug Loads
Efficient and Zero Net Energy-Ready Plug Loads Open
Plug loads are the devices plugged into common electrical outlets. Modern buildings contain hundreds of these devices which, together, are responsible for at least 25 percent of the energy use in California buildings. Energy consumed by pl…
View article: Power Electronics to Reinvent the LED Lighting System
Power Electronics to Reinvent the LED Lighting System Open
LDRD proposal presentation to ETA ALD at LBNL. Proposing using DC and other power electronics schemes to improve lighting power delivery.
View article: A luenberger observer-based fault detection and identification scheme for photovoltaic DC-DC converters
A luenberger observer-based fault detection and identification scheme for photovoltaic DC-DC converters Open
This paper presents the design, analysis, and experimental validation of a fault detection and identification (FDI) scheme for dc-dc power electronic converters. The FDI scheme includes two new classes of fault filters: (1) a linear-switch…