Scientific and Technical Journal

ELECTROTECHNIC AND COMPUTER SYSTEMS

ISSN Print 2221-3937
ISSN Online 2221-3805
RESEARCH OF TECHNOLOGICAL MODES OF FAN SYSTEMS WITH FREQUENCY-CONTROLLED ELECTRIC DRIVE
Abstract:

Object of study are in the fan unit with adjustable-frequency electric. As a subject of study considered technological modes blower unit as part of the drive motor and the fan itself directly. Objective is to synthesize a complete computer model of the combined ventilation unit with variable frequency drive which allows you to get a graph of relative and quantitative indicators of technological modes of fan operation that allows us to estimate the effect of the operating parameters of the fan on the dynamics and energy performance of the electromechanical system.

Feature of the proposed model is the presence of two components that require different approaches for creating them. Motor drive system with variable frequency corresponds to the so-called structural linearized model, and the model of the fan realized on the basis of special mathematical units providing the necessary calculations.

The results show that there is a possibility of synthesis combined computer model fan installation, which is universal and can be applied for the ventilation systems of both civil and industrial buildings and structures, while in the model, you need only specify the nominal parameters of the fan and drive motor. Study of the operating modes of functioning blower unit confirmed the effectiveness and usefulness of the system VFD, which allows to organize a rational choice of the working point of the fan in order to minimize power consumption.

Authors:
Keywords
DOI
10.15276/etks.15.91.2014.39
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