Scientific and Technical Journal

ELECTROTECHNIC AND COMPUTER SYSTEMS

ISSN Print 2221-3937
ISSN Online 2221-3805
DEVELOPMENT THE DEVICE FOR REGULATION OF VOLTAGE AND REACTIVE RESISTANCE IN ELECTRIC DISTRIBUTION NETWORKS WITH VOLTAGE 6 (10) kV
Abstract:
An actual problem in modern electricity supply is the development and application of new methods and devices for regulating voltage deviations. In this article is analyzed the improvement of device for voltage and reactive resistance regulating for using in electrical distribution networks with nominal volt-
age 6 (10) kV. This improvement of device for voltage regulation is carried out by change counter-parallel thyristors to modules IGBT transistors. With the development of powerful electronic keys (modules based on Field-effect and bipolar transistors) with sufficient parameters for using in electrical distribution networks appeared new application possibilities in modern devices for parameters regulation of electricity quality in-
dicators. The replacement of the main element improves the characteristics of the device at regulation of voltage deviations on distribution transformers with voltage 6 (10) kV. The scheme and functional principle devices for voltage and reactive resistance regulation with a new element base are presented. As an example was chosen the parameters elements of device for power transformer with nominal capacity of 1600 kVA and nominal primary voltage of 10 kV. The technical-economic comparison of transformer with device for regu-
lation under load and transformer with device for voltage and reactive resistance regulation with a new ele-
ment base confirms the economic feasibility of using the last one variant.
Authors:
Keywords
DOI
http://dx.doi.org/ 10.15276/eltecs.26.102.2017.5
References
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Published:
Last download:
2018-04-21 02:49:27

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