Buck/boost method of voltage regulation for a permanent magnet generator (PMG)
First Claim
1. A permanent magnet generator (PMG) system for regulating an output voltage, the system comprising:
- a permanent magnet generator (PMG), comprising;
a rotor;
a stator having stator teeth; and
stator coils wrapped around the stator teeth and divided into sub-coils;
a buck/boost voltage source for producing a buck/boost voltage; and
a controller connected to monitor the output voltage and to apply the buck/boost voltage to selected sub-coils based on the monitored output voltage.
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Abstract
The output voltage generated by permanent magnet generator (PMG) is regulated by controlling a buck/boost voltage applied to selected sub-coils within the PMG. The PMG includes a number of stator coils that are each divided into a number of sub-coils. A buck/boost voltage source generates a buck/boost voltage, and a controller connected to monitor the output voltage generated by the PMG selectively applies the buck/boost voltage to selected sub-coils based on the monitored output voltage. In this way, the controller is able to regulate the output voltage by selectively controlling the buck/boost voltage applied to the selected sub-coils.
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Citations
13 Claims
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1. A permanent magnet generator (PMG) system for regulating an output voltage, the system comprising:
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a permanent magnet generator (PMG), comprising;
a rotor;
a stator having stator teeth; and
stator coils wrapped around the stator teeth and divided into sub-coils;
a buck/boost voltage source for producing a buck/boost voltage; and
a controller connected to monitor the output voltage and to apply the buck/boost voltage to selected sub-coils based on the monitored output voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A permanent magnet generator system, the system comprising:
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a permanent magnet generator that includes a number of stator coils divided into sub-coils, wherein selected sub-coils are connected to generate an output voltage; and
a controller connected to monitor the output voltage generated by the PMG and to apply a buck/boost voltage to sub-coils that are not connected to generate the output voltage to either increase or decrease the output voltage based on the monitored output voltage. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification