An auxiliary power system is provided. The auxiliary power system includes a back plane including one or more power inputs and a plurality of mating provisions. The back plane is configured to receive a first electrical power at the one or more power input and output the first electrical power through the plurality of mating provisions. The auxiliary power system further includes a plurality of power modules, each electrically coupled and mechanically coupled to the back plane at one of the plurality of mating provisions and configured to convert the first electrical power to a second electrical power. The auxiliary power system further includes a plurality of auxiliary devices each respectively electrically coupled to at least one power module of the plurality of power modules and configured to receive the second electrical power from the at least one power module.

A condition monitoring system includes a power generator and a condition monitoring apparatus. The condition monitoring apparatus includes, voltage measuring circuit which measures a voltage value of power generated by the power generator, a data memory which stores a past voltage value measured by the voltage measuring circuit, a calculation circuit which calculates a difference between a current voltage value measured by the voltage measuring circuit and at least one past voltage value stored in the data memory, and a controller which determines an issue period indicating a period of time until a trigger signal is issued based on the difference calculated by the calculation circuit, and issues the trigger signal to the condition monitoring apparatus based on the issue period.

A power source device includes a step-up circuit, a diode for backflow prevention, and an electrolytic capacitor. The step-up circuit is connected to a power source on an input side thereof and is connected to a first load and a second load in parallel on an output side thereof. The diode for backflow prevention is connected between the step-up circuit and the first load. The electrolytic capacitor is connected between the diode for backflow prevention and the first load.

A power supply system includes at least two power supply devices that supply a current to a load. Each of the at least two power supply devices includes a converter configured to generate a current that is to be supplied to the load, an FET that is connected in series between the converter and the load, a gate voltage monitoring circuit configured to monitor whether a gate voltage of the FET has fallen below a predetermined first reference voltage, and an alarm generation circuit configured to generate an alarm according to a result of monitoring by the gate voltage monitoring circuit.

An embodiment of the present invention provides a load sharing control device included in each of multiple power supply devices connected to a load in parallel, the load sharing control device comprising: a first control unit for generating a first control signal which controls an output current of a power supply device, by using the output current of the power supply device and a current of a load share bus; and a second control unit for generating a second control signal which controls an output voltage of the power supply device, by using a target voltage of the power supply device, a feedback voltage received as feedback from the output voltage of the power supply device, and a control voltage according to the first control signal of the first control unit, wherein the first control unit generates the first control signal so that the output current is identical to the current of the load share bus, and limits the output current to a threshold current or less.

The present disclosure relates to a battery current sharing control method and a battery current sharing control system. The method includes: acquiring an actually measured cell array current corresponding to each of cell arrays; determining a target current of all cell arrays based on actually measured cell array currents corresponding to all the cell arrays; and adjusting an output current of each of cell array branches to the target current via adjusting current sharing DCDC converters based on the actually measured cell array currents corresponding to all the cell arrays and the target current. In this way, a capacity loss of the cell arrays caused by connecting in parallel can be reduced, and battery capacity utilization of the cell arrays can be improved.

A system for wake-up control of parallel battery packs includes a first battery pack and a second battery pack connected in parallel. The first battery pack includes a first control unit, and the second battery pack includes a second control unit. The first battery pack is configured to receive a first trigger signal to wake up the first control unit. The first control unit of the first battery pack is configured to output a first driving signal after being woken up. The second battery pack is configured to receive a second driving signal sent from the first battery pack, and transmit the processed second driving signal to the second control unit of the second battery pack, to wake up the second control unit of the second battery pack. The second driving signal is output after the first driving signal is processed by the first battery pack.

A semiconductor device includes a plurality of voltage regulators arranged in a field programmable array and a power array controller coupled to the plurality of voltage regulators. The power array controller is configured to control the plurality of voltage regulators to output power to a plurality of power rails. Each power rail provides a respective rail current at a respective rail voltage. The power array controller is configured to for each of the plurality of power rails, determine the respective rail current associated with the respective power rail, select a subset of voltage regulators according to at least the respective rail current, and enable the subset of voltage regulators to generate the respective rail voltage and provide the respective rail current collectively.

The invention relates to an overlap circuit configured to be coupled between power source(s) and load(s) for power transfer. The herein disclosed overlap circuit (100) is configured to transfer electrical power to two loads or two power sources at the same time during an overlap power transfer time period. Furthermore, the invention also relates to a system comprising such an overlap circuit.

A system and method for controlling power flow in a hybrid power system includes a controller in communication with the hybrid power system. The controller is also in communication with at least one knowledge system to receive information related to power generation or power consumption within the hybrid power system. The controller generates a control command for each of the power converters in the hybrid power system and maintains a log of power flow to and from each device in the hybrid power system. The controller is also in communication with a provider of the utility grid and may generate the control commands for each of the power converters in response to commands provided from the provider of the utility grid.