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A simple method for power loss estimation in PWM inverter-fed motors

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6 Author(s)
Rosu, S.G. ; Politeh. Univ. of Bucharest, Bucharest, Romania ; Rădoi, C. ; Teodorescu, M. ; Guglielmi, P.
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This paper presents a simple power loss estimation method for inverter-fed low power AC asynchronous and synchronous motors. The method uses a simulation based DC/AC converter power loss estimation based on datasheet parameters and load characteristics like measured phase resistance and current phase delay. A current control scheme is used to impose a constant current at various speeds. Using this approach both asynchronous and synchronous motors can be used as a load. Total power loss is measured as the DC Link current by an amperemeter avoiding the use of complicated measurement systems.

Published in:

Semiconductor Conference (CAS), 2012 International  (Volume:2 )

Date of Conference:

15-17 Oct. 2012