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The paper deals with a prototype for a small power system used for distributed generation. The system contains a group motor-generator that uses a static power converter controlled with the interface board and the modular system dSpace, for a power of almost 7 kW and can be used in modern power systems - including those for the electric driving of urban vehicles. The system's main components are presented:...
The paper deals with the behavior of a rectifier with thyristors as part of a power group. Data acquisition systems and original software are used. Information on the standards used for the equipment construction and numerical processing are provided. Two distinct power-related theories are discussed when applied to distorting and/or unsymmetrical regimes. The harmonic decompositions based on Fast...
The paper presents some of the active filters topologies used for the improving of power quality. One presents some recordings and numerical simulations made over the electric signals from a substation used for the supplying of a d.c. line of 600 V. Based on the obtained results one proposes solutions for active compensations with the consideration of a number of filtering components. In order to...
The paper deals with the designing, realization and testing of a network filter used to reduce the electromagnetic disturbances produced by static switching equipment. The tests were done according to the CISPR 17 standard for the determination of the insertion loss for each cell, and the verifications concerning the filter's efficiency with respect to the conducted and radiated disturbances produced...
Specific matters concerning the electromagnetic disturbances introduced in an a.c. network by an IRC 5000 static converter are presented. The introduced disturbances are determined and reported to the standard CISPR 11/1997. The disturbances transmitted through conduction along the phase R, without anti-disturbances actions, are represented. Considering the experimental determinations, one considered...
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