Patent · US Expired

Transformerless, load adaptive speed controller

US6969922B2 · kind B2 · utility

76Cited by
24References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 2005
Grant dateNov 29, 2005
Priority date
Expiry dateMar 11, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/16
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention in one embodiment is an improved variable speed engine/generator set with an integrated power conditioning system and control method including load shedding to generate high quality AC power with improved fuel efficiency and reduced emissions. The variable speed generator control scheme allows for load adaptive speed control of engine and generator field. The transformerless power inverter topology and control method provides the necessary output frequency, voltage and/or current waveform regulation, harmonic distortion rejection, and provides for single phase, or unbalanced loading.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.