SYSTEM AND METHODS OF GRID STABILIZATION
First Claim
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1. A power device comprising:
- an input configured to receive input power;
a controller coupled to the input and configured to;
sample a voltage waveform of the input power;
compare the sampled voltage waveform with a sinusoidal reference waveform to determine a plurality of offset values; and
shape an input current waveform of the power device to be substantially similar to the voltage waveform based on the plurality of offset values.
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Abstract
According to various aspects and embodiments, a power device is provided. The power device includes an input configured to receive input power, and a controller coupled to the input. The controller is configured to sample a voltage waveform of the input power, compare the sampled voltage waveform with a sinusoidal reference waveform to determine a plurality of offset values, and shape an input current waveform of the power device to be substantially similar to the voltage waveform based on the plurality of offset values.
10 Citations
20 Claims
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1. A power device comprising:
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an input configured to receive input power; a controller coupled to the input and configured to; sample a voltage waveform of the input power; compare the sampled voltage waveform with a sinusoidal reference waveform to determine a plurality of offset values; and shape an input current waveform of the power device to be substantially similar to the voltage waveform based on the plurality of offset values. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for shaping an input current waveform of a power device, the method comprising:
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sampling a voltage waveform of an input power; comparing the sampled voltage waveform with a sinusoidal reference waveform to determine a plurality of offset values; and shaping the input current waveform to be substantially similar to the voltage waveform based on the plurality of offset values. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A power device comprising:
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an input configured to receive input power; a controller coupled to the input; and means for progressively shaping an input current waveform of the power device to be substantially similar to a voltage waveform of the input power over at least two periods of the input power. - View Dependent Claims (18, 19, 20)
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Specification