نتایج جستجو برای: Active Power Loss
تعداد نتایج: 1309838 فیلتر نتایج به سال:
The paper describes a novel neural model to estimate electrical loss in transformer according to the energy consumption (load curve). The network acts as identifier of structural features on electrical loss process, so that output parameters can be estimated and generalized from an input parameter set. The model was trained and assessed through experimental data taking into account core loss, c...
This paper presents the comparative study of different crest factor reduction techniques such as Clipping, Block coding, Partial Transmit Sequences (PTS), Tone Reservation (TR) and Tone Injection, Selective Mapping, Interleaving, Active Constellation Extension (ACE) and Peak Windowing, clipping has been identified as the best technique for Peak-to-Average Power Ratio reduction as it does not re...
In order to realize an autonomous nuclear power plant, the sensing system performing daily inspection inside of the plant is indispensable. For the sensing system, reliability and exibility are demanded to cope with risky and complicated environments. In order to build such sensing system, we have been emphasizing the importance of cooperation and active control of various sensing functions, an...
The design process for a fuel-cell-based inverter system for domestic use is discussed. The peculiar characteristics of the fuel cell stack energy source require the use of a battery for buffering. The fuel cell characteristics and the battery requirements for this application are discussed. A large number of different possible solutions are examined. The proposed solution uses an active filter...
a filtering power divider/power combiner based on half mode substrate integrated waveguide technology for high power applications is proposed. this design includes one half mode substrate integrated waveguide cavity, one matched load, and four sections of quarter-wavelength transmission lines. the high isolation between output ports is obtained by combining the half mode substrate integrated wa...
Power semiconductor manufacturers are offering IGBT modules with ever greater power densities. The limit is represented by the maximum power loss that can be dissipated; optimisation criteria are the packaging technology as well as the conduction and switching losses of the semiconductor chips. The high current density of the modules together with high switching speeds place increased demands o...
The life time of a component is defined by the reliability demands place on it due to its operating environment and operation conditions. To evaluate the necessarily thermal / power cycle stability of a power semiconductor module in a hybrid electrical vehicle (HEV), a vehicle driving cycle profile is used to calculate the thermal reliability requirements. The calculations are based on power lo...
Reactive power management plays an essential role in the secure operation of the power system as an ancillary service. Although in electricity markets, the particular attention is paid to active power, the reactive power also plays an important on total generation costs of electricity. On the other hand, as it is mainly confined to local consumption, to avoid market power and maintain the se...
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