Results 91 to 100 of about 4,033 (193)
About generation of the third harmonica of self-oscillations in Hartley and Meiβner’s schemes
For modeling of self-oscillations in the generator with autotransformer communication the numerical and analytical method which is based on representation of self-oscillatory system in the form of set of oscillators of the main frequency and its ...
V.V. Zaitsev +2 more
doaj
Analysis of long-term monitoring of autotransformer neutral currents
The Kola Science Center of the Russian Academy of Sciences together with the Polar Geophysical Institute is carrying out research concerning the effect of geomagnetic storms on the state of electrical networks and transformer substations on the Kola ...
Selivanov V. N. +5 more
doaj +1 more source
The asymmetry of electrical processes in modular strukture pulse converters of constant voltage with limit – discontinuous mode of operation [PDF]
The features of the asymmetric electrical processes in pulse converters of constant voltage of modular structure with autotransformer connection of an among choke with limit – discontinuous mode of operation are surveyed. The ratios generalized for eight
Kadatskyy A.F., Malyavin I.P.
doaj
Preliminary designs for 25 kWe advanced Stirling conversion systems for dish electric applications [PDF]
Under the Department of Energy's (DOE) Solar Thermal Technology Program, Sandia National Laboratories is evaluating heat engines for terrestrial Solar Distributed Heat Receivers.
Schreiber, Jeffrey G. +1 more
core +1 more source
Autotransformation of mammalian cells [PDF]
V. A. Kordium +4 more
openaire +1 more source
In the evolution of the modern “More Electric Aircrafts” (MEAs) concept, higher-pulse rectification systems using differential fork autotransformers play a pivotal role.
Hani Albalawi +3 more
doaj +1 more source
Vacuum lamination of photovoltaic modules [PDF]
Vacuum lamination of terrestrial photovoltaic modules is a new high volume process requiring new equipment and newly develop materials. Equipment development, materials research, and some research in related fields and testing methods are ...
Burger, D. R.
core +1 more source
FET commutated current-FED inverter [PDF]
A shunt switch comprised of a field-effect transistor (Q.sub.1) is employed to commutate a current-fed inverter (10) using thyristors (SCR1, SCR2) or bijunction transistors (Q.sub.2, Q.sub.3) in a full bridge (1, 2, 3, 4) or half bridge (5, 6) and ...
Edwards, Dean B., Rippel, Wally E.
core +1 more source
Effects of carbon/graphite fiber contamination on high voltage electrical insulation [PDF]
The contamination mechanics and resulting failure modes of high voltage electrical insulation due to carbon/graphite fibers were examined. The high voltage insulation vulnerability to carbon/graphite fiber induced failure was evaluated using a ...
Eichler, C., Garrity, T.
core +1 more source
A low cost ""Air Mass 2'' solar simulator [PDF]
Tungsten halogen projection lamps have integral ellipsoidal reflector, and hexagonal shaped plastic Fresnel lenses. Reflector is dichroic coated to reduce infrared content of reflected radiation. Array of lamps and lenses produces uniform collimated beam
Curtis, H. B. +2 more
core +1 more source

