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Title:
METHOD AND APPARATUS FOR DETERMINING AC VOLTAGE WAVEFORM ANOMALIES
Document Type and Number:
WIPO Patent Application WO/2010/042717
Kind Code:
A3
Abstract:
A method and apparatus for determining AC voltage waveform anomalies. The apparatus comprises a threshold generator for generating at least one time- variant threshold based on information regarding an AC voltage waveform. The apparatus further comprises a threshold detector for comparing a sample of the AC voltage waveform to the at least one time-variant threshold to identify an AC voltage waveform anomaly.

Inventors:
FORNAGE MARTIN (US)
Application Number:
PCT/US2009/059999
Publication Date:
July 22, 2010
Filing Date:
October 08, 2009
Export Citation:
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Assignee:
ENPHASE ENERGY INC (US)
FORNAGE MARTIN (US)
International Classes:
G01R19/00; H02J7/35; H02M7/48
Foreign References:
US20050190828A12005-09-01
US5729145A1998-03-17
US5278512A1994-01-11
US5995391A1999-11-30
US20020043962A12002-04-18
Attorney, Agent or Firm:
MOSER, Raymond, R., Jr. (1030 Broad Street 2nd FloorShrewsbury, New Jersey, US)
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