Abstract: A cell agnostic battery pack that is capable of receiving sub-modules including lithium-ion cells regardless of form factor type, technology or supplier is described. The battery pack includes a chassis comprising compartments for receiving lithium-ion cells in the form of sub-modules that are connectable in series, parallel or series and parallel, and a battery pack controller. The battery pack further comprises internal interconnects adapted for coupling the sub-modules received in the compartments to the battery pack controller to create a target pack voltage and energy density.

Abstract: Systems and methods for commissioning an energy storage system are disclosed. An example method for commissioning an ESS may include connecting a first energy storage system to an battery module, energizing, by the first energy storage system, the battery module, articulating one or more battery contactors within the first energy storage system to selectively couple the battery module to a power source, processing a battery contactor status of the one or more battery contactors to detect battery contactor errors, disengaging, responsive to not detecting any battery contactor errors, the battery module at the first energy storage system, and determining a status of the energy storage system.

Abstract: Systems and methods for commissioning an energy storage system are disclosed. An example method for commissioning an ESS may include connecting a first energy storage system to an battery module, energizing, by the first energy storage system, the battery module, articulating one or more battery contactors within the first energy storage system to selectively couple the battery module to a power source, processing a battery contactor status of the one or more battery contactors to detect battery contactor errors, disengaging, responsive to not detecting any battery contactor errors, the battery module at the first energy storage system, and determining a status of the energy storage system.

Abstract: A cell agnostic battery pack that is capable of receiving sub-modules including lithium-ion cells regardless of form factor type, technology or supplier is described. The battery pack includes a chassis comprising compartments for receiving lithium-ion cells in the form of sub-modules that are connectable in series, parallel or series and parallel, and a battery pack controller. The battery pack further comprises internal interconnects adapted for coupling the sub-modules received in the compartments to the battery pack controller to create a target pack voltage and energy density.

Abstract: According to one aspect, embodiments herein provide a system for monitoring circuit branches coupled to an input line of a load center, the system comprising a plurality of first current sensors, each configured to be coupled to a circuit branch, at least one second current sensor configured to be coupled to the input line, a controller, a plurality of first sensor circuits, each configured, in a first mode of operation, to sample a signal from an associated current sensor, and in a second mode of operation, to be powered off, and at least one second sensor circuit configured to sample a signal from the at least one second current sensor and provide an input line current measurement signal to the controller, wherein the controller is configured to operate each first sensor circuit in one of the first and second modes of operation based on the input line current measurement signal.

Abstract: According to one aspect, embodiments of the invention provide a current monitoring device comprising a current transformer configured to be removeably coupled to a power line and to generate a reference signal having a level related to a current level of the power line, a sensor circuit connected to the current transformer and configured to convert the reference signal to a measurement signal, a flexible cable having a first end and a second end, the first end coupled to the sensor circuit, and a connection portion coupled to the second end of the flexible cable and configured to be removeably coupled to a communications bus, wherein the sensor circuit is further configured to provide the measurement signal to the communication bus via the flexible cable and the connection portion.

Abstract: According to one aspect, embodiments of the invention provide a system for monitoring a load center including a plurality of current sensors, a communication bus, a plurality of sensor circuits, a power module configured to be coupled to a load center input line and to receive input AC power from the input line, a collector, and a cable configured to be coupled between the power module and the collector, wherein the power module is further configured to provide power to the plurality of sensor circuits via the communication bus, provide power to the collector via the cable, measure at least one of voltage, frequency and phase of input AC power and provide signals related to the measured voltage, frequency or phase to the collector via the cable, receive current measurement signals from the plurality of sensor circuits and provide the received current measurement signals to the collector via the cable.

Abstract: According to at least one aspect, embodiments herein provide an adaptive battery pack module comprising a Li-ion battery, a low-voltage bus coupled to the Li-ion battery, a bi-directional DC-DC converter coupled to the low-voltage bus, a low-voltage output coupled to the low-voltage bus, a high-voltage output, and a high-voltage bus coupled between the bi-directional DC-DC converter and the high-voltage output, wherein the low-voltage output is configured to be coupled to at least one Li-ion battery of at least one external battery pack module, and wherein the bi-directional DC-DC converter is configured to receive DC power from the Li-ion battery and the at least one Li-ion battery of the at least one external battery pack module via the low-voltage bus, convert the received DC power into output DC power, and provide the output DC power to the high-voltage bus.

Abstract: According to one aspect, embodiments of the invention provide a system monitor for a load center comprising a current sensor configured to be coupled to a circuit branch within the load center and to produce a measurement signal having a level related to a current level of the circuit branch, a sensor circuit coupled to the current sensor and removably coupled to a terminal, the sensor circuit configured to provide the measurement signal to the terminal, and a controller coupled to the terminal and configured to monitor signals at the terminal, wherein the controller is further configured to detect disconnection of the current sensor from the terminal based on a signal level at the terminal.

Abstract: A system for guiding a user through a procedure corresponding to installing a battery in a UPS that is associated with the system. The system includes at least one programmed processor embedded within the UPS. The programmed processor is configured to retrieve at least one stored procedure corresponding to installing the battery in the UPS including at least one step to be performed by the user. The system further includes at least one device embedded within the UPS to provide information regarding a status indicator of the battery of the UPS. The programmed processor and the device are operatively coupled such that the programmed processor receives at least a portion of the information of the battery from the device. The system further includes a user interface forming part of the UPS. The user interface is coupled to the programmed processor for displaying the step of the stored procedure.

Abstract: According to at least one aspect, embodiments herein provide an adaptive battery pack module comprising a Li-ion battery, a low-voltage bus coupled to the Li-ion battery, a bi-directional DC-DC converter coupled to the low-voltage bus, a low-voltage output coupled to the low-voltage bus, a high-voltage output, and a high-voltage bus coupled between the bi-directional DC-DC converter and the high-voltage output, wherein the low-voltage output is configured to be coupled to at least one Li-ion battery of at least one external battery pack module, and wherein the bi-directional DC-DC converter is configured to receive DC power from the Li-ion battery and the at least one Li-ion battery of the at least one external battery pack module via the low-voltage bus, convert the received DC power into output DC power, and provide the output DC power to the high-voltage bus.

Abstract: According to one aspect, embodiments of the invention provide a system for monitoring a load center comprising a plurality of current sensors, a communication bus, a plurality of sensor circuits, a power module configured to be coupled to a load center input line and to receive input AC power from the input line, a collector, and a cable configured to be coupled between the power module and the collector, wherein the power module is further configured to provide power to the plurality of sensor circuits via the communication bus, provide power to the collector via the cable, measure at least one of voltage, frequency and phase of input AC power and provide signals related to the measured voltage, frequency or phase to the collector via the cable, receive current measurement signals from the plurality of sensor circuits and provide the received current measurement signals to the collector via the cable.

Abstract: According to one aspect, embodiments herein provide a system for monitoring circuit branches coupled to an input line of a load center, the system comprising a plurality of first current sensors, each configured to be coupled to a circuit branch, at least one second current sensor configured to be coupled to the input line, a controller, a plurality of first sensor circuits, each configured, in a first mode of operation, to sample a signal from an associated current sensor, and in a second mode of operation, to be powered off, and at least one second sensor circuit configured to sample a signal from the at least one second current sensor and provide an input line current measurement signal to the controller, wherein the controller is configured to operate each first sensor circuit in one of the first and second modes of operation based on the input line current measurement signal.

Abstract: According to at least one embodiment, an uninterruptible power supply (UPS) is provided. The UPS includes a first input configured to couple to a primary power source to receive primary power; a power bus coupled to a plurality of battery modules to receive back-up power; an output operatively coupled to the first input and the power bus to selectively provide, from at least one of the primary power source and the plurality of battery modules, uninterruptible power to a load; and a charge bus coupled to the plurality of battery modules to provide power to the plurality of battery modules. The UPS is configured to detect at least one battery module of the plurality of battery modules has reached a charging threshold and discontinue charging of the at least one battery module in response to detecting the at least one battery module has reached the charging threshold.

Abstract: A portable computing device includes a camera, a display screen, and a processor. The processor is configured to identify an electronic device from an image of the electronic device captured by the camera, display a virtual human-machine interface (HMI) associated with the electronic device on the display screen, receive user commands through the virtual HMI, and cause the user commands to be communicated to the electronic device.

Abstract: According to one aspect, embodiments of the invention provide a system for monitoring at least one circuit branch coupled to a power line, the system comprising at least one first module comprising a Current Transformer (CT) configured to be coupled to the at least one circuit branch and to produce a reference signal having a level related to a current level of the at least one circuit branch, a rectifier coupled to the CT and configured to produce a rectified reference signal, a capacitor coupled to the rectifier, and a first microcontroller coupled to the capacitor and the rectifier, wherein, the capacitor is configured to store energy from the rectified reference signal, and wherein, the first microcontroller is configured to be powered by the energy stored in the capacitor and to sample the rectified reference signal to determine the current level of the at least one circuit branch.

Abstract: A method for estimating an efficiency of a power device includes identifying a state of operation of the power device, measuring power-related information produced by the power device, and determining an estimated efficiency of the power device based in part on the state of operation of the power device and power loss parameters associated with the power device by using the measured power-related information. Other methods and devices for measuring efficiency are further disclosed.

Abstract: Systems and methods of providing power with an uninterruptible power supply are provided. The uninterruptible power supply includes a first input to receive an input AC voltage from a power source, the input AC voltage having an associated phase angle, and a second input to receive an input voltage from a backup power source. The uninterruptible power supply also includes an output. The output provides output power derived from power from at least one of the power source and the backup power source. The uninterruptible power supply also includes an inverter coupled to the backup power source, a relay and a controller. The relay is configured to couple the first input with the output in a first position, and to couple the inverter with the output in a second position.

Abstract: According to one aspect, embodiments of the invention provide a current monitoring device comprising a current transformer configured to be removeably coupled to a power line and to generate a reference signal having a level related to a current level of the power line, a sensor circuit connected to the current transformer and configured to convert the reference signal to a measurement signal, a flexible cable having a first end and a second end, the first end coupled to the sensor circuit, and a connection portion coupled to the second end of the flexible cable and configured to be removeably coupled to a communications bus, wherein the sensor circuit is further configured to provide the measurement signal to the communication bus via the flexible cable and the connection portion.

Abstract: According to one aspect, embodiments of the invention provide a system monitor for a load center comprising a current sensor configured to be coupled to a circuit branch within the load center and to produce a measurement signal having a level related to a current level of the circuit branch, a sensor circuit coupled to the current sensor and removably coupled to a terminal, the sensor circuit configured to provide the measurement signal to the terminal, and a controller coupled to the terminal and configured to monitor signals at the terminal, wherein the controller is further configured to detect disconnection of the current sensor from the terminal based on a signal level at the terminal.