Scientific and Technical Journal

ELECTROTECHNIC AND COMPUTER SYSTEMS

ISSN Print 2221-3937
ISSN Online 2221-3805
ANALYSIS OF MODES TRACTION FREQUENCY CONVERTER
Abstract:
The results of a study of energy flows circulating through the traction inverter. The obtained results may be used in the synthesis and development of automatic control systems, traction power model for transport and lifting, as well as General industrial electric drive systems. It is shown that in the system of traction electric drives of traction Converter can perform the role of a source of voltage or current. The provision of a traction Converter of properties similar to the properties of an ideal voltage source (DC) is provided by the introduction of the internal control loops of feedback voltage or current of the Converter. The quality of the conversion of electrical energy one can assess the ability of the traction inverter to reproduce the change of control actions with minimal distortion. Depending on where you connected the traction Converter performs the conversion of the flow of energy (for the case of power to the stator of the traction motor circuits), and partial transformation of (in the case of the power from the rotor of the asynchronous machine). When you build structures and traction control systems with frequency converters need to consider the electromagnetic transients, the nature of which is determined by the mode of operation of the traction inverter.
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References

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