Method and apparatus for modifying the sensitivity of an electrical generator to a nonlinear load
First Claim
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1. A generator comprising:
- a power amplifier configured to apply output power to a load responsive to a power control signal and a reference signal;
a power control system coupled to the power amplifier, the power control system adjusts the power control signal based upon a power set point and the output power; and
a compensation subsystem coupled to the power amplifier, the compensation subsystem controlling a conduction angle of the power amplifier to enable a sensitivity of the power amplifier, to variations in an impedance of the load, to be adjusted.
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Abstract
A method and generator for modifying interactions between a load and the generator are described. The method includes applying output power to the load using a power amplifier, controlling a level of the output power responsive to a power control setting, and adjusting a conduction angle of the power amplifier to reduce a level of sensitivity of the power amplifier to variations of an impedance of the load. The generator includes a compensation subsystem coupled to the power amplifier that controls a conduction angle of the power amplifier to enable a sensitivity of the power amplifier to be adjusted.
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Citations
25 Claims
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1. A generator comprising:
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a power amplifier configured to apply output power to a load responsive to a power control signal and a reference signal; a power control system coupled to the power amplifier, the power control system adjusts the power control signal based upon a power set point and the output power; and a compensation subsystem coupled to the power amplifier, the compensation subsystem controlling a conduction angle of the power amplifier to enable a sensitivity of the power amplifier, to variations in an impedance of the load, to be adjusted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for reducing a sensitivity of a generator to variations in impedance of a load, the method comprising:
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applying output power to the load using a power amplifier; controlling a level of the output power responsive to a power control setting; and adjusting a conduction angle of the power amplifier to reduce a level of sensitivity of the power amplifier to variations of an impedance of the load. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A generator comprising:
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means for applying output power to the load using a power amplifier; means for controlling a level of the output power responsive to a power control setting; and means for adjusting a conduction angle of the power amplifier to reduce a level of sensitivity of the power amplifier to variations of an impedance of the load. - View Dependent Claims (19, 20, 21, 22, 23)
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24. A generator, comprising:
at least two control inputs wherein at least one of the at least two control inputs is used to modify a sensitivity of the generator to an impedance of a load and at least one of the at least two control inputs is used to control an output power of the generator so that a same level of power can be delivered to the load with different combinations of levels of the at least two control inputs, and a combination of control inputs that produces a desired level of power and an acceptable sensitivity to the impedance of the load may be utilized. - View Dependent Claims (25)
Specification