Results 81 to 90 of about 70,029 (188)
Design and material selection for inverter transformer cores [PDF]
, 1973 Report is announced which studied magnetic properties of candidate materials for use in spacecraft transformers, static inverters, converters, and transformer-rectifier power supplies.
Mclyman, W. T.
core +1 more source
Paper making from bagasse [PDF]
, 2020 Though the revolution of technology has reduced paper production everywhere around the world, the amount of paper consumed each day is still tremendously large.
Abu Bakar Sidik, Dilaeleyana +7 more
core
Solid-State Transformers for Interfacing Solar Panels to the Power Grid: An Optimum Design Methodology of a High Frequency Transformer for dc-dc Converter Applications [PDF]
, 2016 Nowadays the use of power electronic interfaces to integrate distributed generation with the power grid is becoming relevant due to the increased penetration of renewable energy sources like solar, and the continued ...
George, Kenny
core +2 more sources
Can Distribution Grids Significantly Contribute to Transmission Grids' Voltage Management?
, 2016 Power generation in Germany is currently transitioning from a system based on large, central, thermal power plants to one that heavily relies on small, decentral, mostly renewable power generators.
Auer, Sabine +4 more
core +1 more source
Calibration Proposal for UHF Partial Discharge Measurements at Power Transformers
Energies, 2019 The continuous, non-intermitted service of electrical grids relies on the reliability of their assets, e.g., power transformers. Local insulation defects can result in serve failures such as breakdowns with severe subsequent costs. The prevention of such
Martin Siegel +10 more
doaj +1 more source
Distributed voltage control in electrical power systems [PDF]
, 2009 Voltage instability stems from the attempt of load dynamics to restore power consumption beyond the capability of the combined transmission and generation system.
Boel, René, Moradzadeh, Mohammad
core +1 more source
Iranian Journal of Electrical and Electronic Engineering, 2019 In this paper, a new method for modelling and estimation of reliability parameters of power transformer components in distribution and transmission voltage levels for preventive-corrective maintenance schedule of transformers is proposed. In this method,
H. Sh. Solari, B. Majidi, M. Moazzami
doaj
A Control Method for Static VAR Compensator Based On Modular Multilevel Inverter [PDF]
, 2009 Multilevel inverters are promised to provide a better performance in high power applications such as static VAR compensators. The proposed modular inverter has advantages compared to the conventional technologies.
Dahono, Pekik
core
Calibration of voltage transformers and high-voltage capacitors at NIST
Journal of Research of the National Bureau of Standards, 1989 The National Institute of Standards and Technology (NIST) calibration service for voltage transformers and high-voltage capacitors is described. The service for voltage transformers provides measurements of ratio correction factors and phase angles at primary voltages up to 170 kV and secondary voltages as low as 10 V at 60 Hz.
openaire +2 more sources
Ingeniería e Investigación, 2011 This article presents an analysis of voltage sag propagation. The ATPDraw tool was selected for simulating the IEEE 34 node test feeder. It takes into account both voltage sags caused by electrical fault network, as well as voltage sag propagation ...
Jairo Blanco +5 more
doaj