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A dual source electric power generating system (EPGS) provides both a regulated AC output and a regulated DC output. The EPGS includes a rotating portion and a stationary portion. The stationary portion includes a plurality of windings (permanent magnet generator (PMG) armature windings, an exciter

A dual source electric power generating system (EPGS) provides both a regulated AC output and a regulated DC output. The EPGS includes a rotating portion and a stationary portion. The stationary portion includes a plurality of windings (permanent magnet generator (PMG) armature windings, an exciter field winding, and high-voltage main generator armature windings), a voltage regulator, a rectifier, an inverter, a point of regulation (POR) sensor. The high-voltage main generator armature windings generate a high-voltage AC that is converted to a regulated, high-voltage AC by the rectifier and the inverter. The stationary portion is further characterized by circuitry for producing the regulated DC output from AC voltage produced by a winding other than the high-voltage main generator armature windings.

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1. An electric power generating system (EPGS) for providing both a regulated alternating current (AC) output and a regulated direct current (DC) output, the EPGS comprising: a rotating portion having components connected along a common shaft, the rotating portion comprising: permanent magnets (PM);e

1. An electric power generating system (EPGS) for providing both a regulated alternating current (AC) output and a regulated direct current (DC) output, the EPGS comprising: a rotating portion having components connected along a common shaft, the rotating portion comprising: permanent magnets (PM);exciter armature windings;a rotating rectifier; anda main generator field winding:a stationary portion comprising: a plurality of windings that include permanent magnet generator (PMG) armature windings, an exciter field winding, and first main generator armature windings;a first voltage regulator that controls excitation provided to the exciter field winding;a first rectifier that converts AC from the first main generator armature windings to DC;an inverter that converts the DC from the first rectifier to the regulated AC output; anda first point-of-regulation (POR) sensor for sensing and providing control output to the voltage regulator;the stationary portion characterized by circuitry for producing the regulated DC output from AC voltage produced by a winding other than the first main generator armature windings. 2. The EPGS of claim 1, wherein the winding comprises second main generator armature windings for generating an AC output, the EPGS further including: a second rectifier for converting the AC output provided by the second main generator armature windings to the regulated DC output, wherein the first voltage regulator controls excitation provided to the exciter field winding based on monitoring by the first POR sensor of the DC output provided by the second rectifier. 3. The EPGS of claim 2, wherein the AC output provided by the second main generator armature windings is a three-phase output, and wherein the second rectifier includes three pairs of diodes for converting the three-phase output to the regulated DC output. 4. The EPGS of claim 2, wherein the second main generator armature winding is comprised of a first set of sub-windings and a second set of sub-windings offset in phase from the first set of sub-windings, wherein the first and second sub-windings generate a six-phase AC output, and wherein the second rectifier includes six pairs of diodes for converting the six-phase output to the regulated DC output. 5. The EPGS of claim 2, wherein the first POR sensor is configured to monitor the DC output provided by the first rectifier in response to a fault in the DC output provided by the second rectifier. 6. The EPGS of claim 1, wherein the winding comprises permanent magnet generator (PMG) armature windings for generating an AC voltage that is converted to the regulated DC output. 7. The EPGS of claim 6, further including: a second rectifier for converting the AC voltage produced by the PMG armature windings to an unregulated DC voltage; anda DC-to-DC converter for converting the unregulated DC voltage provided by the second rectifier to the regulated DC voltage. 8. The EPGS of claim 7, wherein the first voltage regulator controls excitation provided to the exciter field winding based on monitoring by the first POR sensor of the DC output provided by the first rectifier. 9. The EPGS of claim 7, wherein the DC-to-DC converter is a non-isolated DC-to-DC converter. 10. The EPGS of claim 6, further including: a second rectifier for converting the AC voltage produced by the PMG armature windings to the regulated DC output;a second POR sensor for monitoring the DC provided by the second rectifier;a control coil winding; anda second voltage regulator that controls excitation provided to the control coil winding to regulate flux provided to the PMG armature windings based on the monitored DC provided by the second rectifier. 11. The EPGS of claim 10, further including: a contactor connected between the second rectifier and an output for providing the regulated DC output to a load, wherein the contactor is opened in response to a fault in the output. 12. An electric power generating system (EPGS) for providing both an alternating current (AC) output and a direct current (DC) output, the EPGS comprising: a rotating portion having components connected along a common shaft, the rotating portion comprising: permanent magnets (PM);exciter armature windings;a rotating rectifier; anda main generator field winding:a stationary portion comprising: a plurality of windings that include permanent magnet generator (PMG) armature windings, an exciter field winding, high-voltage main generator armature windings, and low-voltage main generator armature windings;a first rectifier that converts high-voltage AC from the high-voltage main generator armature windings to high-voltage DC;an inverter that converts the high-voltage DC from the first rectifier to the regulated high-voltage AC output;a second rectifier that converts low-voltage AC from the low-voltage main generator armature windings to low-voltage DC;a point-of-regulation (POR) sensor that monitors the low-voltage DC provided by the second rectifier; anda first voltage regulator that controls excitation provided to the exciter field winding based on the monitored low-voltage DC provided by the second rectifier. 13. The EPGS of claim 12, wherein the high-voltage AC output provided by the high-voltage main generator armature is a three-phase output, and wherein the first rectifier is a six-pulse rectifier having three pairs of diodes connected to convert each phase of the high-voltage AC output to the high-voltage DC output. 14. The EPGS of claim 12, wherein the low-voltage AC output provided by the low-voltage main generator armature is a three-phase output, and wherein the second rectifier is a six-pulse rectifier having three pairs of diodes connected to convert each phase of the low-voltage AC output to the low-voltage regulated DC output. 15. The EPGS of claim 12, wherein the POR sensor is further connected to monitor the high-voltage DC output provided by the first rectifier, wherein in response to a fault condition with on the low-voltage DC, the POR sensor switches to monitoring the high-voltage DC output. 16. The EPGS of claim 12, wherein the high-voltage main generator armature windings provide a six-phase high-voltage output, wherein the first rectifier is a twelve-pulse rectifier comprising six-pairs of diodes for converting the six-phase high-voltage output to the high-voltage DC. 17. The EPGS of claim 12, wherein the low-voltage main generator armature windings provide a six-phase high-voltage output, wherein the second rectifier is a twelve-pulse rectifier comprising six-pairs of diodes for converting the six-phase low-voltage AC to the high-voltage DC output. 18. An electric power generating system (EPGS) for providing both a high-voltage alternating current (AC) output and a low-voltage direct current (DC) output, the EPGS comprising: a rotating portion having components connected along a common shaft, the rotating portion comprising: permanent magnets (PM);exciter armature windings;a rotating rectifier; anda main generator field winding:a stationary portion comprising: a plurality of windings that include permanent magnet generator (PMG) armature windings, an exciter field winding, and high-voltage main generator armature windings;a first rectifier that converts high-voltage AC from the high-voltage main generator armature windings to high-voltage DC;an inverter that converts the high-voltage DC from the first rectifier to the regulated high-voltage AC output;a point-of-regulation (POR) sensor that monitors the high-voltage DC provided by the first rectifier; anda first voltage regulator that controls excitation provided to the exciter field winding based on the monitored high-voltage DC provided by the first rectifier;the stationary portion characterized by circuitry for producing the regulated low-voltage DC output from AC voltage produced by the PMG armature windings. 19. The EPGS of claim 18, further including: a second rectifier for converting the low-voltage AC voltage produced by the PMG armature windings to an unregulated DC voltage; anda DC-to-DC converter for converting the unregulated DC voltage provided by the second rectifier to the regulated DC voltage. 20. The EPGS of claim 18, further including: a second rectifier for converting the low-voltage AC voltage produced by the PMG armature windings to the regulated low-voltage DC output;a second POR sensor for monitoring the low-voltage DC provided by the second rectifier;a control coil winding; anda second voltage regulator that controls excitation provided to the control coil winding to regulate flux provided to the PMG armature windings based on the monitored low-voltage DC provided by the second rectifier.