Disclosed are systems and methods for adjusting environmental conditions based on automatically and manually generated requests. A commissioned unit comprising at least one IP luminaire (140, 150), transmits a signal comprising one or more identification codes. The signal may be, for example, a coded light signal. An environment control device (160) receives the signal, detects user input indicating one or more preferred environmental conditions, and transmits an environment control request comprising the one or more preferred environmental conditions. An environment manager module (110) receives the environment control request, generates an environment control command using the control request, and transmits the environment control command to one or more commissioned units to alter environmental conditions in a space in accordance with the user input.

An apparatus for supplying power to a set of drivers that charge and discharge a set of electrochromic devices is described. One apparatus includes a multi-source power supply with at least a set of batteries, a driver interface to supply the power to the set of drivers and controller circuitry. The controller circuit determines a power state of the multi-source power supply. The controller circuit limits the set of drivers to a first total amount of power or a second total amount of power, supplied by the multi-source power supply in a switching state of at least one of the set of electrochromic devices, while the multi-source power supply is in a first power state or a second power state, respectively.

A method of operating an intelligent electronic device that is in a wireless communication with a base station of a wireless communication system is described. The method includes monitoring at least two QoS parameters of the wireless communication and controlling the operation of the intelligent electronic device based on the at least two QoS parameters, wherein the intelligent electronic device includes a wireless communication module, wherein the wireless communication is carried out between the wireless communication module and the base station of the wireless communication system, and wherein the at least two QoS parameters are determined at least in part in the wireless communication module and are transferred to a control module of the intelligent electronic device over an interface.

Adaptive charging networks in accordance with embodiments of the invention enable the optimization of electric design of charging networks for electric vehicles. One embodiment includes an electrical supply; a plurality of adaptive charging stations; wherein at least one adaptive charging station distributes power to at least one other adaptive charging station; wherein at least one adaptive charging station is configured to communicate capacity information to a controller; and wherein the controller is configured to control the distribution of power to the plurality of adaptive charging stations based upon the capacity information received from at least one adaptive charging station.

Systems for determining a phase of a device coupled to an electrical distribution system. The system includes a number of gateway devices configured to transmit a synchronization signal. The gateway device receives a node response message from a first node device that includes a duration value indicating a time between a receipt of the transmitted synchronization signal and a detected zero crossing. The gateway device compares the duration value against duration values received from node devices with a known phase connection and determines a phase of the first node device based on the comparison.

An intelligent battery charge equalization and monitoring system may assist in the management of battery string health by detecting individual batteries within a string that may need servicing. The system may detect a battery within a string that is charged to a higher voltage than other batteries within the string and discharge the overcharged battery until the battery's charge is equalized with the other batteries in the string. The system may use metrics related to how often individual batteries within a string of batteries must be equalized and utilize these metrics to perform maintenance actions.

An example device includes at least one processor configured to receive electrical parameter values corresponding to at least one first location within a power network. The at least one processor is further configured to determine, using matrix completion and based on the at least one electrical parameter value, an estimated value of at least one unknown electrical parameter. The at least one unknown electrical parameter corresponds to a second location within the power network. The at least one processor is also configured to cause at least one device within the power network to modify operation based on the estimated value of the at least one unknown electrical parameter.

A power-distribution-system management apparatus according to the present invention includes a communication unit that acquires an amount of insolation, which is a measurement value measured by a pyranometer, via a communication network, which is used to collect a measurement value of a smart meter that measures electric energy, and a meter-data management apparatus and a power-generation-amount estimating unit that estimates, on the basis of the amount of insolation, a power generation amount of each of two or more solar power generation facilities connected to a power distribution line of a high voltage system.

A smart circuit breaker includes a communication interface, separable contacts, a processing unit having a memory with a routine stored therein which, when executed by the processing unit causes the processing unit to: sense a power outage in an electrical grid, control a meter to open contacts to disconnect from the electrical grid, sense power restoration to the electrical grid, control contacts corresponding to a secondary power source to open, control the meter to close contacts to reconnect to the electrical grid, sense that a frequency of power from the electrical grid matches a frequency of power from the secondary power source, and control the contacts corresponding to the secondary power source to close.

A circuit breaker includes a solid-state switch, a sense resistor, a current detection circuit, and a switch control circuit. The solid-state switch and sense resistor are connected in series in an electrical path between a line input terminal and a load output terminal of the circuit breaker. The current detection circuit is configured to (i) sample a sense voltage that is generated across the sense resistor in response to load current flowing through the sense resistor, (ii) detect an over-current fault condition based on the sampled sense voltage, and (iii) output a fault detection signal in response to detecting the over-current fault condition. The switch control circuit is configured to control the solid-state switch, wherein the switch control circuit is configured to switch off the solid-state switch in response to the fault detection signal output from the current detection circuit.