Results 91 to 100 of about 19,317 (224)

Plasma Electron Beam Welder for Space Vehicles Final Report [PDF]

open access: yes
Feasibility of developing plasma electron beam welding system for earth orbiting ...
Boring, K. L.   +4 more
core   +1 more source

A hybrid electromechanical solid state switch for ac power control [PDF]

open access: yes, 1972
Bidirectional thyristor coupled to a series of actuator driven electromechanical contacts generates hybrid electromechanical solid state switch for ac power control.

core   +1 more source

Study of switching transients in high frequency converters [PDF]

open access: yes
As the semiconductor technologies progress rapidly, the power densities and switching frequencies of many power devices are improved. With the existing technology, high frequency power systems become possible. Use of such a system is advantageous in many
Elbuluk, Malik E.   +2 more
core   +1 more source

A Control Method for Static VAR Compensator Based On Modular Multilevel Inverter [PDF]

open access: yes, 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  

Phase detector for three-phase power factor controller [PDF]

open access: yes, 1984
A phase detector for the three phase power factor controller (PFC) is described. The phase detector for each phase includes an operational amplifier which senses the current phase angle for that phase by sensing the voltage across the phase thyristor ...
Nola, F. J.
core   +1 more source

The development of solar irriadiation levelling system using colour contour approach [PDF]

open access: yes, 2012
This project presents the development of solar irradiance levelling spectrum using colour contour approach. The system developed by using the General User Interface (GUI) Matlab. The advantage of the system is irradiation data being easily analysed
Abd.Hadi, Faezah
core  

Permanent-Magnet Motors and Generators for Aircraft [PDF]

open access: yes
Electric motors and generators that use permarotating machinery, but aspects of control and power conditioning are also considered. The discussion is structured around three basic areas: rotating machine design considerations presents various ...
Echolds, E. F.
core   +1 more source

Working in the dark [PDF]

open access: yes, 2003
Professional engineers work as experts who influence the work of others. They rarely have direct contact with the products of an enterprise. They work with analogues such as graphs, algorithms and simulations, and engage in discussions in specialized ...
Monk, John
core  

Half-sine wave pulse firing of electroexplosive devices [PDF]

open access: yes
Half-sine wave pulse firing of electroexplosive ...
Menichelli, V. J., Rosenthal, L. A.
core   +1 more source

Research on prediction method of temperature distribution in thyristor of UHVDC converter valve

open access: yesDiance yu yibiao
Aiming at the requirement of thyristor junction temperature prediction in the design stage of ultra high-voltag direct current converter valve, a research method of thyristor temperature distribution suitable for series waterway heat dissipation is ...
LI Kai   +5 more
doaj   +1 more source

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