Model of asynchronous motors with a short-cooled rotor in Mathcad software.
Journal Title: Наукові праці Донецького Національного Технічного Університету серія: Електротехніка і Енергетика - Year 2018, Vol 1, Issue 1
Abstract
In the article, for a specific example, the model of the asynchronous motor with short-circuited rotor in the MATHCAD software environment is considered. In compiling the model, displacement of the current in the rotor (skin effect) is taken into account by representing the rotor with two short -circuited cells. For simulation a complete system of differential equations is used, written for stator circuits, rotor and for the rotor motion equation. The simulation results are graphical relationships that reflect the change in the basic parameters of the asynchronous motor, which, in turn, allow them to be analyzed over time. The obtained data give the opportunity to continue the work on modeling machines of asynchronous type from the point of view of diagnostics and analysis in case of changes in individual values that directly or indirectly influence their operation.
Authors and Affiliations
E. NIEMTSEV
Analysis of the possibility of switching the Ukrainian electricity network to a voltage of 20 Kv
An analysis of existing electrical networks indicates the physical and moral depreciation of electrical equipment (the age of some equipment is 50-70 years). Due to the obsolete technical base of Ukrainian distribution e...
Using the method of exergy analysis to evaluation the efficiency of energy-conversion of glass production plants.
Modern energy technology complexes of glass production, in addition to glass furnace itself, also include systems for utilization of thermal waste energy resources. When equipping the furnace with evaporativ...
Analysis of emergency disconnections of main power lines.
Automatic disconnections in trunk transmission lines 750 kv as a result of geomagnetic induction currents is studied The influence of geomagnetic induction currents on emergency switching-off of the main transmis...
Evaluation of operational safety of two-speed electric motors in mine section power network.
During the mine scraper and belt conveyors operating it is necessary, for technological reasons, to change the working speed. This is achieved by using two-speed induction motors in explosion-p...
Analysis of the operation of the steam turbine at rated parameters.
To describe the turbine workflow, we consider the design of the flow section of a multi-stage steam turbine of a condensing type. The turbine flow section consists of degrees. Dependencies depending on the direction of f...