Simplified Methods of Direct Frequency Conversion for a Fan-Type Electrical Drive

Latvian Journal of Physics and Technical Science 1995
Laimonis Rutmanis, Jānis Stabulnieks, Leonīds Ribickis, V. Beļkovs

The paper presents some possibilities of simplifying the frequency conversion process for the fan-type load in electrical drive. The analysis of such process uses the specific features of the load variation and leads to the conversion methods of a small number of commutations. For this purpose the familiar "cosine wave crossing timing principle" method of frequency conversion is analysed and modified and some possible ways to use it also are discussed.

Rutmanis, L., Stabulnieks, J., Ribickis, L., Beļkovs, V. Simplified Methods of Direct Frequency Conversion for a Fan-Type Electrical Drive. Latvian Journal of Physics and Technical Science, 1995, No.2, 46.-52.lpp. ISSN 0868-8257.

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