http://www.cnr.it/ontology/cnr/individuo/prodotto/ID71072
RADIATED EMI FROM THE ELECTRICAL CONNECTIONS BETWEEN THE POWER CONVERTER AND THE INDUCTION MOTOR IN AN ELECTRICAL DRIVE DUE TO COMMON MODE CONDUCTED EMISSIONS (Articolo in rivista)
- Type
- Label
- RADIATED EMI FROM THE ELECTRICAL CONNECTIONS BETWEEN THE POWER CONVERTER AND THE INDUCTION MOTOR IN AN ELECTRICAL DRIVE DUE TO COMMON MODE CONDUCTED EMISSIONS (Articolo in rivista) (literal)
- Anno
- 2003-01-01T00:00:00+01:00 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- M.C. Di Piazza, G. Vitale (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- ISSIA-CNR (Insitute of Intelligent, Systems for the Automation), Palermo, Italy (literal)
- Titolo
- RADIATED EMI FROM THE ELECTRICAL CONNECTIONS BETWEEN THE POWER CONVERTER AND THE INDUCTION MOTOR IN AN ELECTRICAL DRIVE DUE TO COMMON MODE CONDUCTED EMISSIONS (literal)
- Abstract
- The purpose of this paper is to study
the radiated EMI in a Power Drive System coming
from the electrical connections between the
converter and the motor and due to the common
mode conducted emissions. The case of a PWM
inverter-fed induction motor is considered. The
starting point is represented by the results of a
previous work where the Authors have developed a
circuit model for prediction of high frequency
common mode conducted emissions from a PWM
inverter feeding an induction motor. In this paper
the above mentioned circuit model has been suitably
modified and a theoretical model of radiation has
been introduced. The whole resulting model permits
to calculate the electromagnetic radiated field due
to common mode current. The whole model has
been experimentally validated measuring in time
domain the common mode current and the
corresponding radiated field, using a current probe
and a loop sensor, respectively. The obtained results
have shown that the measured and the calculated
common mode currents have the same shape. The
deviations between measured and calculated peak
values, rise times and oscillations damping intervals
of the common mode current have been evaluated
and their magnitudes are acceptable in order to
consider the circuit model suitable for common
mode current prediction. The measured and
computed voltages across the loop sensor have the
same shape. The maximum deviation in terms of
time distance between the crossing points of the
time axis for the two waveforms and the maximum
deviation between the measured and calculated
amplitudes have been evaluated. The magnitudes of
such deviations are acceptable in order to consider
the whole model suitable for prediction of near field
radiated emission.
The contribution to the radiated field due to the
microprocessor of the inverter control board is also
outlined and discussed. (literal)
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