- Tytuł:
-
Zalety zastosowania sygnału skutecznej wartości ruchomej prądu w diagnostyce maszyny indukcyjnej zasilanej z falownika napięcia
Advantages of the moving RMS current signal in diagnostics of induction motor supplied by voltage inverter - Autorzy:
- Sołbut, A.
- Powiązania:
- https://bibliotekanauki.pl/articles/1374786.pdf
- Data publikacji:
- 2006
- Wydawca:
- Sieć Badawcza Łukasiewicz - Instytut Napędów i Maszyn Elektrycznych Komel
- Tematy:
-
diagnostyka maszyn indukcyjnych
falownik napięcia
układ napędowy - Opis:
- Diagnostics of induction motor is usually executed on the basis of the motor phase currents signals. The harmonic contents of the current signal are taken into account. The current harmonic components of the motor to be destroyed have relatively small amplitudes, what outcomes many problems connected with interpretation of analysis results. The most of papers referred to diagnostics of induction motors available in literature are involved to motors supplied by sinusoidal voltage. The present-day motor drives are using various converter devices with very varied control algorithms for motors control. The output voltage signals contain then many harmonic components, which make difficulties to the methods use. Therefore, the necessity appears to search for quality indicators providing estimation of motor drive state as the integrity, also including the figures of supplying voltage other than sinusoidal. The advantages of using for that purpose the value of true RMS stator current signal are presented in the paper (1). With the constant load torque assumption, the calculated as true RMS value has the constant component Io. This component is involved with the multiplicity components of the basic stator current component. Depending on the motor conditions the harmonic components frequencies depend on the motor rotation speed. The article presents the ability of uses of the value calculated as true RMS for diagnostics of the motor drive with asynchronous motor and a voltage inverter. The theoretical analyses are supplied by the presentation of labor test results with modeling of chosen damage states.
- Źródło:
-
Maszyny Elektryczne: zeszyty problemowe; 2006, 74; 109-114
0239-3646
2084-5618 - Pojawia się w:
- Maszyny Elektryczne: zeszyty problemowe
- Dostawca treści:
- Biblioteka Nauki
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