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INFLUENCE OF CUTS IN THE HOUSING AND ARMATURE OF THE FORCED ELECTROMAGNET OF THE FUEL INJECTION SYSTEM ON ITS SPEED

Yevhen I. Baida, Michael G. Pantelyat, Serhii V. Vyrovets

DOI: 10.15598/aeee.v21i3.4634


Abstract

Electromagnetic mechanisms are widely used in various systems due to the simplicity of their design and reliability in operation. One such system is the fuel injection system for an internal combustion engine. The electromagnets installed in such systems should have a number of special properties: they should have small dimensions, high speed, which is ensured by forcing, a small mass of moving elements, an increased residual air gap, a small armature stroke and minimal eddy currents in the magnetic core. The reduction of eddy currents is carried out through the use of steels with increased resistivity and special cuts in the housing and armature, which significantly complicates the design of the electromagnet, but is an effective method for reducing losses for DC electromagnetic systems. To assess the influence of the design of an electromagnet on its speed, the article present a comparative analysis of the solution of the problem of dynamics in a 3D formulation for a forced armored DC electromagnet and an improved electromagnet with reduced eddy current losses due to special structural cuts in the housing and armature.

Keywords


Dynamic characteristics, electromagnetic mechanism, speed of electromagnets.

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