A power supply apparatus, comprising at least one circuit board having thereon at least a first single phase power factor controlled (PFC) circuit, and a second PFC corrected circuit, the first single phase PFC circuit and the second PFC corrected circuit each having at least one PFC device in communication with at least one inverter, at least one resonant (LC) circuit positioned on the at least one circuit board and in electrical communication with at least one of the first single phase PFC circuit and the second PFC corrected circuit, at least one transformer in communication with at least one of the first single phase PFC circuit and the second PFC corrected circuit via the at least one LC resonant circuit, the at least one transformer configured to generate at least one transformer output signal, and at least one capacitor in communication with the at least one transformer and configured to output at least one magnetron input signal in response to the at least one transformer output signal, and at least one power supply generating at least one three phase input voltage, the at least one circuit board in communication with the at least one power supply.

A power supply apparatus, comprising at least one circuit board having thereon at least a first single phase power factor controlled (PFC) circuit, and a second PFC corrected circuit, the first single phase PFC circuit and the second PFC corrected circuit each having at least one PFC device in communication with at least one inverter, at least one resonant (LC) circuit positioned on the at least one circuit board and in electrical communication with at least one of the first single phase PFC circuit and the second PFC corrected circuit, at least one transformer in communication with at least one of the first single phase PFC circuit and the second PFC corrected circuit via the at least one LC resonant circuit, the at least one transformer configured to generate at least one transformer output signal, and at least one capacitor in communication with the at least one transformer and configured to output at least one magnetron input signal in response to the at least one transformer output signal, and at least one power supply generating at least one three phase input voltage, the at least one circuit board in communication with the at least one power supply.

The subject matter disclosed herein relates to the control and utilization of multiple sensors within a device. For an example, motion of a device may be detected in response to receipt of a signal from a first sensor disposed in the device, and a power state of a second sensor also disposed in the device may be changed in response to detected motion.

The subject matter disclosed herein relates to the control and utilization of multiple sensors within a device. For an example, motion of a device may be detected in response to receipt of a signal from a first sensor disposed in the device, and a power state of a second sensor also disposed in the device may be changed in response to detected motion.

The embodiments described herein provide a system including an intelligent electronic device (IED) comprising a first processor configured to communicate control commands to power equipment, receive measurements from the power equipment, use a secure wireless system to send data to an access point, wherein the data includes the measurements, and use the secure system to communicate with a management device, via the access point, to receive configuration information, command information, or any combination thereof.

The embodiments described herein provide a system including an intelligent electronic device (IED) comprising a first processor configured to communicate control commands to power equipment, receive measurements from the power equipment, use a secure wireless system to send data to an access point, wherein the data includes the measurements, and use the secure system to communicate with a management device, via the access point, to receive configuration information, command information, or any combination thereof.

The electronic apparatus including a power factor correction (PFC) circuit and a control circuit configured to control an operation of the PFC circuit is provided. The PFC circuit includes a first inductor part connected to one end of an AC voltage part and a first switch connected to a first inductor in series; a second inductor part connected to another end of the AC voltage part and a second switch connected to a second inductor in series; an output part connected to the first inductor part and the second inductor part; and a switching part, and the control circuit identically applies a switch on/off signal to the first switch and the second switch, and selectively applies a switch on/off signal to the third switch or the fourth switch based on a magnitude of an input voltage input through the AC voltage part.

A power conversion system includes plural power conversion apparatuses and a server connected to each of the plural power conversion apparatuses. Each of the plural power conversion apparatuses includes a power conversion circuit interconnected with a power system, a calculating unit configured to calculate, based on an output current and an output voltage of the power conversion circuit, at least one information of reactive power and a reactive current output by the power conversion circuit, a storing unit configured to accumulate, in a storage device, time-series reactive power information which is information associating time and the at least one information calculated by the calculating unit, and a communication interface configured to transmit the time-series reactive power information stored in the storage device to the server. The server is constructed to collect the time-series reactive power information of each of the plural power conversion apparatuses via the communication interface.

A power conversion system includes plural power conversion apparatuses and a server connected to each of the plural power conversion apparatuses. Each of the plural power conversion apparatuses includes a power conversion circuit interconnected with a power system, a calculating unit configured to calculate, based on an output current and an output voltage of the power conversion circuit, at least one information of reactive power and a reactive current output by the power conversion circuit, a storing unit configured to accumulate, in a storage device, time-series reactive power information which is information associating time and the at least one information calculated by the calculating unit, and a communication interface configured to transmit the time-series reactive power information stored in the storage device to the server. The server is constructed to collect the time-series reactive power information of each of the plural power conversion apparatuses via the communication interface.

The present disclosure relates to a reactive power compensation system including a reactive power compensation unit for measuring compensate reactive power, an impedance measurement unit for measuring an impedance value of each of a plurality of loads, and a learning control unit for controlling the reactive power compensation unit based on the measured impedance value.