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This paper highlights the importance of assessing Power Quality (PQ) of microgrids using the recommended indices as stated in IEEE 519 and IEEE 1547 standards. It assesses the microgrid PQ by verifying if converter harmonics at the Point of Common Coupling (PCC) to the grid complies or exceeds the IEEE 519 standard on harmonic limit.
Advantages of operating a Permanent Magnet Synchronous Machine (PMSM) without a position sensor are many and are well known. This paper presents a study of the effects of space harmonics in the incremental inductances and their impact on the machine saliency. The effects of space harmonics exclusively due to the machine (i.e., the saturation saliency distribution) are given particular consideration...
The advantages of operating a permanent magnet synchronous machine (PMSM) without a position sensor are many and are well known. In this paper the self sensing performance of two off the shelf industrial PMSMs and an aerospace PMSM will be compared for their sensorless control properties. The properties of the main modulating tracking saliency will be investigated as a function of load. The machines...
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