METHOD FOR STUDYING MAGNETIC FIELD PATTERN CHANGES
The invention relates to a method for studying the properties of a spinning magnetic field of an electric machine. According to the invention, the method consists in that a rotor of an electric machine is assimilated to a vessel (1) made of non-magnetic and non-conductive material, partially filled...
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Format: | Patent |
Sprache: | eng ; rum |
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Zusammenfassung: | The invention relates to a method for studying the properties of a spinning magnetic field of an electric machine. According to the invention, the method consists in that a rotor of an electric machine is assimilated to a vessel (1) made of non-magnetic and non-conductive material, partially filled with a ferromagnetic colloidal solution (2) or with a ferromagnetic powder over which a powder (3) playing an indicator role resulting from crushing the gold leaves is spread, said powder (3) being driven into motion by the magnetic-active particles, so that the paths of motion of said particles may be identified by carrying out motion images of the gold powder (3) by means of a digital camera.
Invenţia se referă la o metodă pentru studiul proprietăţilor unui câmp electromagnetic învârtitor al unei maşini electrice. Metoda conform invenţiei constă în aceea că un rotor al unei maşini electrice este considerat a fi un vas (1) realizat dintr-un material nemagnetic şi neconductor, umplut parţial cu o soluţie (2) coloidală feromagnetică sau cu o pulbere feromagnetică peste care se presară o pulbere (3) cu rol indicator provenită din măcinarea foiţelor din aur şi care pulbere (3) este antrenată în mişcare de particulele magnetoactive astfel încât traseele de mişcare ale acestor particule pot fi identificate prin realizarea de imagini mişcate ale pulberii (3) din aur prin intermediul unui aparat de fotografiere numeric. |
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