Results 111 to 120 of about 30,341 (295)

Description of the PMAD DC test bed architecture and integration sequence [PDF]

open access: yes
NASA-Lewis is responsible for the development, fabrication, and assembly of the electric power system (EPS) for the Space Station Freedom (SSF). The SSF power system is radically different from previous spacecraft power systems in both the size and ...
Beach, R. F.   +3 more
core   +1 more source

A wide‐angle infrared lens for temperature detection in closed high‐voltage switchgear

open access: yesElectronics Letters
In this letter, the authors develop a wide‐angle Fresnel infrared lens for detecting temperature inside closed switchgear. Based on the structural characteristics of closed switchgear, a frame structure for the lens and a single‐sided installation method
Jie Chen   +3 more
doaj   +1 more source

Description of the control system design for the SSF PMAD DC testbed [PDF]

open access: yes
The Power Management and Distribution (PMAD) DC Testbed Control System for Space Station Freedom was developed using a top down approach based on classical control system and conventional terrestrial power utilities design techniques.
Baez, Anastacio N., Kimnach, Greg L.
core   +1 more source

STANDARDS IN CONTROL AND PROTECTION TEHNOLOGY FOR ELECTRIC POWER SYSTEMS [PDF]

open access: yes
The features of the standard IEC 16850 with respect to intelligent applications in substations are summarized. It is shown how modeling of functions independently from its allocation to devices allows optimizing existing applications and opening up for ...
Daniel COSTIANU   +3 more
core   +3 more sources

Acoustic Noise-Based Detection of Ferroresonance Events in Isolated Neutral Power Systems with Inductive Voltage Transformers. [PDF]

open access: yesSensors (Basel), 2022
Martinez R   +7 more
europepmc   +1 more source

Analysis of Partial Discharge Pattern of Closed Switchgear using K-means Clustering [PDF]

open access: bronze, 2007
Doo-Gyoon Byun   +3 more
openalex   +1 more source

Description of real-time Ada software implementation of a power system monitor for the Space Station Freedom PMAD DC testbed [PDF]

open access: yes
The Ada language software development to perform the electrical system monitoring functions for the NASA Lewis Research Center's Power Management and Distribution (PMAD) DC testbed is described.
Ludwig, Kimberly   +2 more
core   +1 more source

Degradation and Lifetime Prediction of Epoxy Composite Insulation Materials under High Relative Humidity. [PDF]

open access: yesPolymers (Basel), 2023
Ma J   +7 more
europepmc   +1 more source

Preparation of training materials for high voltage switchgears [PDF]

open access: yes, 2011
Bakalářská práce dokumentuje tvorbu školicích materiálů pro rozváděče vysokého napětí. Převážná část práce je věnována seznámení s produkty firmy ABB, ke kterým jsou školicí materiály vypracovány. Hlavní důraz byl kladen na seznámení s rozváděčem UniGear
Nosek, Jan
core  

Power management and distribution considerations for a lunar base [PDF]

open access: yes
Design philosophies and technology needs for the power management and distribution (PMAD) portion of a lunar base power system are discussed. A process is described whereby mission planners may proceed from a knowledge of the PMAD functions and mission ...
Coleman, Anthony S., Kenny, Barbara H.
core   +1 more source

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