Abstract: Provided are embodiments for a system including a zero-cross circuit. The system includes a first channel and a second channel Each channel includes a generator, a generator relay, and a bus tie relay. In addition, the system includes a zero-cross circuit, wherein the zero-cross circuit synchronizes the operation of the first and second channel, and at least one controller configured to control the operation of the first channel and the second channel based on an input from the zero-cross circuit. Also provided is a method for operating the zero-cross circuit with low phase delay. The method includes receiving an inverting input, receiving a non-inverting input, and comparing the inverting input and the non-inverting input. The method also includes receiving feedback from an output of the comparator; and outputting a waveform based on the comparison of the inverting input and the non-inverting input and the feedback.

Abstract: A generator control unit includes a plurality of permanent magnet generator (PMG) inputs, a transformer including a multi-configuration input winding and at least one output winding. Each PMG input in the plurality of PMG inputs is connected to the multi-configuration input winding at a corresponding input winding input.

Abstract: A method and system for use with an electric power system includes a monitoring unit to monitor at least one power characteristic, a generator control unit to control at least one generator characteristic, a ground interface unit to receive a ground power input, and a device configuration interface to select at least one of a generator control mode and an external power monitor mode, wherein the device configuration interface selectively engages at least one of the monitoring unit, the generator control unit, and the ground interface unit in response to at least one of the generator control mode and the external power monitor mode.

Abstract: A generator control unit includes a plurality of permanent magnet generator (PMG) inputs, a transformer including a multi-configuration input winding and at least one output winding. Each PMG input in the plurality of PMG inputs is connected to the multi-configuration input winding at a corresponding input winding input.

Abstract: A method and system for use with an electric power system includes a monitoring unit to monitor at least one power characteristic, a generator control unit to control at least one generator characteristic, a ground interface unit to receive a ground power input, and a device configuration interface to select at least one of a generator control mode and an external power monitor mode, wherein the device configuration interface selectively engages at least one of the monitoring unit, the generator control unit, and the ground interface unit in response to at least one of the generator control mode and the external power monitor mode.

Abstract: An example arc fault detection system includes an electrical system, an electrical controller, a sensor, and a master controller. The electrical controller detects a voltage of the electrical system, a current of the electrical system, or both. The sensor detects an ultraviolet light level of the electrical system. The master controller is configured to communicate with the electrical controller and the sensor. The master controller isolates the electrical system in response to receiving a signal from the electrical controller and the sensor. An example method of isolating an arc fault in an electrical system includes detecting a voltage level, a current level, and an ultraviolet light level of the electrical system. The method isolates an arc fault based on the voltage level or the current level, and the ultraviolet light level from the detecting.