Electricity: power supply or regulation systems – For reactive power control – Using converter
Reexamination Certificate
2006-07-11
2006-07-11
Riley, Shawn (Department: 2838)
Electricity: power supply or regulation systems
For reactive power control
Using converter
C363S046000
Reexamination Certificate
active
07075274
ABSTRACT:
A reactive power compensator continues operation even when a higher harmonic wave component of an alternating-current power system increases. For an alternating current electric amount indicating one of an alternating voltage and an alternating electric current in an alternating-current power system, the reactive power compensator outputs a changing amount showing a change of the alternating current electric amount. An electric current command limits an electric current command signal based on the changing amount. For example, the changing amount is changed in accordance with the higher harmonic wave component included in the alternating current electric amount.
REFERENCES:
patent: 5513090 (1996-04-01), Bhattacharya et al.
patent: 6573690 (2003-06-01), Ogusa et al.
patent: 2000-83386 (2000-03-01), None
Fujii Toshiyuki
Morishima Naoki
Leydig , Voit & Mayer, Ltd.
Riley Shawn
Toshiba Mitsubishi-Electric Industrial Systems Corporation
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