System and methods of grid stabilization
First Claim
Patent Images
1. A power device comprising:
- an input configured to receive input power;
a controller coupled to the input and configured to;
receive at least one sample of a voltage waveform of the input power;
compare the at least one sample of the voltage waveform with a sinusoidal reference waveform to determine a plurality of offset values;
compare each offset value of the plurality of offset values with a corresponding entry in a reference table; and
shape an input current waveform of the power device to be substantially similar to the voltage waveform based on the comparing of the plurality of offset values to the reference table.
1 Assignment
0 Petitions
Accused Products
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.
32 Citations
19 Claims
-
1. A power device comprising:
-
an input configured to receive input power; a controller coupled to the input and configured to; receive at least one sample of a voltage waveform of the input power; compare the at least one sample of the voltage waveform with a sinusoidal reference waveform to determine a plurality of offset values; compare each offset value of the plurality of offset values with a corresponding entry in a reference table; and shape an input current waveform of the power device to be substantially similar to the voltage waveform based on the comparing of the plurality of offset values to the reference table. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A method for shaping an input current waveform of a power device, the method comprising:
-
receiving at least one sample of a voltage waveform of an input power; comparing the at least one sample of the voltage waveform with a sinusoidal reference waveform to determine a plurality of offset values; comparing each offset value of the plurality of offset values to a corresponding entry in a reference table; and shaping the input current waveform to be substantially similar to the voltage waveform based on the comparing of the plurality of offset values to the reference table. - View Dependent Claims (11, 12, 13, 14, 15, 16)
-
-
17. A power device comprising:
-
an input configured to receive input power; an output configured to provide output power; 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 based on a configurable adaption speed parameter. - View Dependent Claims (18, 19)
-
Specification