Abstract: A system and method for predicting the effect of a transient event on a data center. A method comprises receiving input data related to a data center that includes at least one equipment rack and at least one cooling provider, the input data including data center architecture information, building data, and operating data, generating, a model based at least in part on the input data and on a set of energy balance and heat exchange equations for the data center that account for removed and added heat and a thermal mass of the at least one equipment rack and a thermal mass of the at least one cooling provider, the model configured to predict at least one temperature in the data center during a transient event, and controlling a display device to display the at least one predicted temperature.

Abstract: According to one aspect, embodiments provide a UPS comprising an input configured to receive input power, a backup input configured to receive backup power from a backup power source, an output configured to provide output power, a communication stack including an external system interface configured to communicate with at least one external device, a local user interface including a switch, the switch having a first position corresponding to a filtering mode and a second position corresponding to a non-filtering mode, the switch being communicatively decoupled from the communication stack, and a controller configured to receive, through the communication stack, commands from an external entity, detect a position of the switch, identify, responsive to detection of the position of the switch corresponding to the filtering mode, that the commands are disallowed commands, and responsive to identifying the disallowed commands, ignore the disallowed commands without executing the disallowed commands.

Abstract: A power device includes an input configured to receive input power from a power source, power circuitry, a power output, a network module, and a controller. The controller is configured to operate the power circuitry to provide output power to the power output derived from the input power and to communicate with at least one primary server via the network module. In response to a determination that communication with the primary server has failed, the controller is configured to attempt communication with a domain name server. In response to a determination that communication with the domain name server has failed, the controller is configured to identify that the network has failed.

Abstract: A system and method is provided for predicting the effect of a transient event on a data center. According to one aspect, embodiments herein provide a method that comprises receiving input data related to a data center that includes at least one equipment rack and at least one cooling provider, the input data including data center architecture information, building data, and operating data, generating, by a computing device, a model based at least in part on the input data and on a set of energy balance and heat exchange equations for the data center that account for heat added by the at least one equipment rack and removed by the at least one cooling provider, and a thermal mass of the at least one equipment rack and a thermal mass of the at least one cooling provider, the model configured to predict at least one temperature in the data center during a transient event, and controlling a display device to display the at least one predicted temperature.

Abstract: An uninterruptible power supply (UPS) includes an input configured to receive input power, a backup power source configured to provide backup power, an output configured to provide output power from at least one of the input power and the backup power, and a controller coupled to the input, the backup power source, and the output. The controller is configured to receive commands from an external entity, detect a configuration setting, identify, based at least in part on the configuration setting, that a first subset of the commands are unrestricted commands and a second subset of the commands are restricted commands, and responsive to identifying the unrestricted commands, execute the unrestricted commands.

Abstract: A power device includes an input configured to receive input power from a power source, power circuitry, a power output, a network module, and a controller. The controller is configured to operate the power circuitry to provide output power to the power output derived from the input power and to communicate with at least one primary server via the network module. In response to a determination that communication with the primary server has failed, the controller is configured to attempt communication with a domain name server. In response to a determination that communication with the domain name server has failed, the controller is configured to identify that the network has failed.

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: A system comprising at least one power device is provided. The at least one power device includes an input to receive power from a power source, an output operatively coupled to the input and configured to provide power, a data storage, a network interface, and a controller coupled to the input, the output, the data storage and the network interface. The controller is configured to provide, according to a reporting schedule, identification information directly to a cloud service via the network interface and provide, according to the reporting schedule, secured information directly to the cloud service, the secured information being descriptive of performance of the at least one power device.

Abstract: According to one aspect, embodiments provide a UPS comprising an input configured to receive input power, a backup input configured to receive backup power from a backup power source, an output configured to provide output power, a communication stack including an external system interface configured to communicate with at least one external device, a local user interface including a switch, the switch having a first position corresponding to a filtering mode and a second position corresponding to a non-filtering mode, the switch being communicatively decoupled from the communication stack, and a controller configured to receive, through the communication stack, commands from an external entity, detect a position of the switch, identify, responsive to detection of the position of the switch corresponding to the filtering mode, that the commands are disallowed commands, and responsive to identifying the disallowed commands, ignore the disallowed commands without executing the disallowed commands.

Abstract: A rack airflow monitoring system is configured to measure airflow through an equipment rack having a housing and a perforated front door to enable air to flow into an interior of the housing. The system includes a control module, and a plurality of airflow sensors secured to the front door of the equipment rack and coupled to the control module. Each airflow sensor is configured to detect a parameter used to measure airflow and communicate detected parameters to the control module. The control module is configured to obtain temperature, airflow velocity, and airflow directionality from the plurality of airflow sensors at the front door of the equipment rack.

Abstract: One aspect relates to a communication protocol for communicating between one or more entities, such as devices, hosts or any other system capable of communicating over a network. A protocol is provided that allows communication between entities without a priori knowledge of the communication protocol. In such a protocol, for example, information describing a data structure of the communication protocol is transferred between communicating entities. Further, an authentication protocol is provided for providing bidirectional authentication between communicating entities. In one specific example, the entities include a master device and a slave device coupled by a serial link. In another specific example, the communication protocol may be used for performing unbalanced transmission between communicating entities.

Abstract: Methods and systems for detection of a status of a device connected to a USB port of a UPS are described herein. The method includes detecting whether a device is connected to the USB port, based on the detection, receiving, at the UPS, information from the device; determining whether the device is configured as a host device supplying power, a host device requiring power or a peripheral device, and based on the determination, configuring the USB port of the UPS.

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 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: Methods and systems for detection of a status of a device connected to a USB port of a UPS are described herein. The method includes detecting whether a device is connected to the USB port, based on the detection, receiving, at the UPS, information from the device; determining whether the device is configured as a host device supplying power, a host device requiring power or a peripheral device, and based on the determination, configuring the USB port of the UPS.

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: An uninterruptible power supply (UPS) includes an input configured to receive input power, a backup power source configured to provide backup power, an output configured to provide output power from at least one of the input power and the backup power, and a controller coupled to the input, the backup power source, and the output. The controller is configured to receive commands from an external entity, detect a configuration setting, identify, based at least in part on the configuration setting, that a first subset of the commands are unrestricted commands and a second subset of the commands are restricted commands, and responsive to identifying the unrestricted commands, execute the unrestricted commands.

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 be removeably coupled to a communications bus and to convert the reference signal to a digital reference signal and provide a signal indicative of the current level to the communication bus, and a housing containing the sensor circuit and the current transformer.

Abstract: Systems and methods for monitoring power in power distribution systems are provided. In one aspect, a system for monitoring power includes a power monitoring device that measures a value of at least one characteristic of power provided to a branch of a power distribution system. The power monitoring device includes an output that provides the value measured. The system further includes a controller having an input to receive the value measured and an output that couples to a first device powered by the branch to send a maximum power signal to the first device to command the first device to operate at a percentage of maximum power.

Abstract: A system comprising at least one power device is provided. The at least one power device includes an input to receive power from a power source, an output operatively coupled to the input and configured to provide power, a data storage, a network interface, and a controller coupled to the input, the output, the data storage and the network interface. The controller is configured to provide, according to a reporting schedule, identification information directly to a cloud service via the network interface and provide, according to the reporting schedule, secured information directly to the cloud service, the secured information being descriptive of performance of the at least one power device.