نتایج جستجو برای: m_theta generator
تعداد نتایج: 42686 فیلتر نتایج به سال:
In this paper the Space Vector Control Scheme is implemented for a Wind Energy System using Three Level Impedance Source Inverter (ZSI). The wind energy system uses a Self Excited Induction generator (SEIG) which is the most emerging application in the field of Wind Energy Conversion System (WECS). The proposed system is modelled with a generator-side Diode Bridge Rectifier and a Stand-Alone si...
The switched reluctance motor is a simple and robust machine, which has found application over a wide power and speed ranges in different shapes and geometries. This paper introduces a new configuration for a two phase unidirectional switched reluctance motor/field assisted generator. The proposed novel motor/generator consists of two magnetically independent stator and rotor sets (layers), whe...
Recently, Transverse Flux Permanent Magnet Generators (TFPMGs) have been proposed as a possible generator in direct drive variable speed wind turbines due to their unique merits. Generally, the quality of output power in these systems is lower than multi stage fixed speed systems, because of removing the gears, so it’s important to design these kinds of generators with low ripple and lowe...
The Shrinking Generator, presented at Crypto'93, is a LFSR-based pseudorandom generator suitable for the implementation of additive stream ciphers. It is particularly simple and has attractive security properties. (The reader is referred to [1] for the definition of the generator and its properties). Although the algorithm was originally intended for hardware implementation, here we will focus ...
Steganography over real-time streaming media is a novel and promising research subject. This paper performs steganography over a typical streaming media, Voice over IP (VoIP), and suggests a new covert communication scheme for interactive secret messages. To resist the statistical detection, a sophisticated compounded pseudorandom sequence, produced by a compounded pseudorandom number generator...
Background: Hot lab is a specially designed room in a nuclear medicine hospital where the radiopharmaceuticals are delivered, stored and prepared for dispensing. 99Mo/99mTc-generator is the major source in the hot lab used for various medical imaging. It is important to maintain a standard for hot lab procedures to optimize the patient care and minimize radiation exposure to all nuclear medicin...
In this paper, the theoretical and experimental performance of the ejector refrigeration cycle is investigated. Making use of EES software, laws of mass and energy conservation as well as the exergy balance equations for a one-dimensional thermodynamic model has been developed and validated using experimental data obtained in the laboratory. It is assumed that mixing takes place at a constant p...
Parameters estimation of dynamic model of synchronous generators is an essential prerequisite for viable and reliable power system operation and offline studies. Advent of phasor measurement units (PMU) and its growing applications in power systems have led to an evolution in the electric power network wide-area monitoring, protection, and control. Alongside, these devices have revealed unprece...
case presentation in this report, we describe a case of a cied infection in a 49-year-old female, admitted in 2013 to a hospital in copenhagen, denmark, with persistent staphylococcus epidermidis bacteremia without any clinical signs of generator-pocket infection and several negative tee studies. conclusions the diagnosis of cied infection was established with fluorodeoxyglucose positron emissi...
A reliable and accurate diagnosis of inter-turn short circuit faults is a challenging problem in the area of fault diagnosis of electrical machines. The purpose of this challenge is to be more efficient in fault detection and to provide a reliable method with low-cost sensors and simple numerical algorithms which not only detect the occurrence of the fault, but also locate its position in the w...
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