J
J Leuchter
Authored
20 records found
Common and significant features of power source for auxiliary power unit with variable highspeed generator-converter set are shown in this paper. Power electronics is one of the fastest developing technologies and this paper introduces the basic concepts in power conversion syste
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Hybrid power sources with energetic buffer technology are based on supercapacitors with bi-directional dc-dc converters. This paper describes the application of bi-directional converters with Supercapacitors for remote area power hybrid sources using photovoltaic sources, Diesel
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In this paper, a battery-supercapacitor hybrid power system of electrical power buffers, which helps to improve a dynamic behaviour of power sources with diesel engines, is presented. The results of battery analyses are shown and it is emphasised that the combination of batteries
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Current development trends regarding mobile electrical-generator sets (EGSs) indicate that enhancement of efficiency is to be sought in means to operate the driving engine (either diesel or gasoline) continuously at its optimum speed. The engine-generator dynamics at a sudden loa
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The power electronics circuits are seriously limited by the thermal ambience and therefore a detailed thermal design on power electronics is desirable. Especially the semiconductors are vulnerable to a high temperature and thermal cycling. The overview of power semiconductors swi
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This paper brings some practical results of research devoted to the new generation of mobile electrical power sources, based on the VSCF technology (Variable Speed ¿ Constant Frequency). In this generation of mobile electrical power sources the driving motor and generator speed
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In this paper, a power supply unit based on the Engine-Generator Set (EGS) will be discussed. The recent clear trends lead to use of more economical power sources that are able to yield maximum of fuel energy. EGS units can be considered as comparatively sophisticated mechatronic
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New generation of mobile electrical power sources is based on the historical change from constant speed, determining the required frequency, to the optimally changed engine and generator speed. The constant frequency and required voltage value is achieved by means
of power electr
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In this paper, power supply unit based on the Engine-Generator Set (EGS) will be discussed. The recent trends lead to the use of more autonomous power sources to satisfy the maximum energy yield. These power units can be considered as comparatively sophisticated system, consistin
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The paper introduces on operating principle of power management of photovoltaic system with maximum power tracker control to achieve the maximum efficiency of such systems. The paper presents different topologies of basic photovoltaic concepts with Dc-Dc converters including cont
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