Research Article

A Rotor Flux and Speed Observer for Sensorless Single-Phase Induction Motor Applications

Table 2

Electrical characteristics of the IGBT power converter.

Input voltage (single phase) 230 VCA
Motor supply rail 310 VDC
Output power peak 6.5 kW
Phase current peak (crest) 30 A
Phase current cont. 21 A(RMS)
Switching frequency 5 to 20 kHz
Shunt power peak 3200 W