- Tytuł:
-
Metoda wyznaczania poślizgowych charakterystyk admitancji wysokoobrotowego silnika klatkowego
A method of determining the slipping characteristics of admittance of a squirrel-cage high-speed motor - Autorzy:
-
Zielińska, M.J.
Zieliński, W.G. - Powiązania:
- https://bibliotekanauki.pl/articles/1373219.pdf
- Data publikacji:
- 2010
- Wydawca:
- Sieć Badawcza Łukasiewicz - Instytut Napędów i Maszyn Elektrycznych Komel
- Tematy:
-
maszyna elektryczna
silnik indukcyjny klatkowy
silnik wysokoobrotowy
admitancja - Opis:
- High speed squirrel-cage induction motors are supplied with a high frequency voltage ranging from 400 to 1500Hz. The highest frequencies, i.e., the highest rotation speeds, arise from technological needs and are limited by manufacturing possibilities. These motors have a structure and electromagnetic properties that differentiate them from classic machines. In particular, they are distinguished by the high frequency of supply voltage, intensive cooling introduced to reduce the size of the motor, and closed rotor slots used to minimize vibrations and noise. The paper presents how slip characteristics of admittance of a squirrel-cage motor were determined on the basis of laboratory measurements conducted with current of variable frequency. This characteristic is the geometric locus of motor admittance with the slip ranging from + ∞ to - ∞ and an assumed constant frequency of supply voltage. The image of these characteristics differs considerably from a typical pie chart and it evidences the differences in electromagnetic properties in comparison with typical induction motors. Changes in the current in the slot causes a varying state of saturation and thus rotor leakage inductance is not a constant parameter.
- Źródło:
-
Maszyny Elektryczne: zeszyty problemowe; 2010, 86; 251-254
0239-3646
2084-5618 - Pojawia się w:
- Maszyny Elektryczne: zeszyty problemowe
- Dostawca treści:
- Biblioteka Nauki
Artykuł