3144 results about "Power load" patented technology

Systems and methods are disclosed for using 802.11 based wireless protocols in various energy management applications wherein a host controller uses various types of communication networks to distribute information to an on-premise processor that in turn uses 802.11 based wireless protocols to communicate with various types of end devices, such as utility meters. Various forms of communication are defined between the end device, the on-premise processor, and the energy management host for accomplishing power load control, including determining when to activate or deactivate a load, requesting permission to activate a load, reading usage data, activating or deactivating a meter, and determining rate schedules. A flexible scheme allows control to be shifted to be resident in various entities. The architecture is applicable not only for power load control, but other control type and metering devices.

Systems and methods are disclosed for using 802.11 based wireless protocols in various energy management applications wherein a host controller uses various types of communication networks to distribute information to an on-premise processor that in turn uses 802.11 based wireless protocols to communicate with various types of end devices, such as utility meters. Various forms of communication are defined between the end device, the on-premise processor, and the energy management host for accomplishing power load control, including determining when to activate or deactivate a load, requesting permission to activate a load, reading usage data, activating or deactivating a meter, and determining rate schedules. A flexible scheme allows control to be shifted to be resident in various entities. The architecture is applicable not only for power load control, but other control type and metering devices.

A power and load management system for a recreational vehicle provides a power distribution panel comprising a distribution controller operative to generate distribution control signals including at least load signals corresponding to the power load demands on the power distribution panel and distribution relay control signals, and an automatic transfer switch (ATS). The ATS has multiple power inputs, each operative to be connected to one of multiple power sources, e.g., shore power, a battery bank, a generator, etc., and two power transfer lines to the power distribution switch. The ATS further comprises multiple relays, each controllable independently of the others by an ATS controller to connect a corresponding one of the power transfer lines to a selected one of the available power inputs to feed power to the power distribution panel. The ATS further has multiple sensors, each operative to generate a power availability signal to the ATS controller corresponding to the availability of power on a corresponding one of the power input lines. The ATS controller is operative to receive load signals from the distribution controller and power availability signals from the ATS sensors, and to generate the power transfer control signals to the ATS relays and ATS signals to the distribution controller corresponding to power availability. The power distribution panel further comprises independently controllable distribution relays to connect each of the power transfer lines to power load(s).

This invention provides a new method and system to control strategies of a combined fuel cell and battery pack power system to produce an efficient and cost-effective powertrain with acceptable drivability and low emissions. The method and system provide strategies for vehicle start-up, power load changes, and steady state driving conditions. The strategies reduce vehicle maintenance cost by increasing the battery service life and fuel efficiency. Further, the strategies reduce vehicle cost by reducing fuel cell engine size required by a hybrid electric vehicle while responding rapidly to load changes. The strategies also provide increased fuel efficiency by recovery, storage, and re-use of the vehicle kinetic energy normally dissipated as heat during braking.

A PoE powered device and method of operation are provided. The device includes a first port unit configured to negotiate receipt of a level of PoE power from a power sourcing equipment. The power is received on a first pair of taps on a first communication port. A detection unit is configured to detect a presence of a first optional circuit load and to detect a presence of a second optional power load. A control circuit is configured to establish connectivity between a second pair of taps on the first communication port and a second powered device port unit in response to the detection unit detecting the first optional load, and further configured to establish connectivity between the second pair of taps and a third pair of taps on a pass-through communication port in response to the detection unit failing to detect the first load and detecting the second load.

A two-wire load control device (such as, a dimmer switch or an electronic switch) for controlling the power delivered from an AC power source to an electrical load includes a controllably conductive device for controlling the power to the load, a microprocessor operable to generate a control signal that is representative of whether the load should be controlled on or off, a capacitor operable to produce a supply voltage for powering the microprocessor, a power supply that charges the capacitor when the controllably conductive device is non-conductive, and a control circuit that receives the control signal from the microprocessor. The control circuit is operatively coupled to the controllably conductive device for maintaining the controllably conductive device non-conductive after the beginning of each half-cycle until the magnitude of the supply voltage exceeds a predetermined threshold.

Systems and methods are disclosed for using 802.11 based wireless protocols in various energy management applications wherein a host controller uses various types of communication networks to distribute information to an on-premise processor that in turn uses 802.11 based wireless protocols to communicate with various types of end devices, such as utility meters. Various forms of communication are defined between the end device, the on-premise processor, and the energy management host for accomplishing power load control, including determining when to activate or deactivate a load, requesting permission to activate a load, reading usage data, activating or deactivating a meter, and determining rate schedules. A flexible scheme allows control to be shifted to be resident in various entities. The architecture is applicable not only for power load control, but other control type and metering devices.

Prioritization of power throttling of servers in an information handling system may be based upon slot or location priority, subscription priority, and / or greatest power usage. A power system having a capacity of less than the maximum connected power load is monitored to determine the power being drawn therefrom. When the power drawn from the power supply system exceeds a first threshold, power throttling requests are issued to the appropriate servers until the power drawn from the power supply is less than a second threshold. The second threshold less than the first threshold. The appropriate servers may be configurable e.g., determined by a configurable prioritization schedule.

A portable DC power manager (400) includes an internal power bus (410) and a plurality of device ports (1150, 1160, 1170, 1180, 1190, 1200) for connecting with external power and energy sources, external power loads and other external power managers. Each device port is isolated for the internal power bus by controllable switches (A, B, C, D). Power converters (440, 442, 510) may be disposed between device ports and the internal power bus to convert voltages and attenuate current amplitude. Energy management schema operating on the power manager sums available power and allocates the available power to connected power loads according to power priority settings. A hot-change-over circuit (1300) connects additional sources to the internal bus in response to a voltage drop on the internal power bus. A compact and lightweight package (1100) enables a portability.

The present invention provides an intelligent track system generally mounted in a network, server, or telecom rack / enclosure rack rail that can sense the spaces, such as “U” spaces, used by electronic equipment, shelving, or blanking panels and provide such information to a remote location. Information technology (IT) managers and other decision-makers can remotely view the actual available spaces and determine appropriate locations for installing additional equipment. Criteria can be based on actual available space and for some embodiments in conjunction with predictive or actual sensed temperatures proximate to the spaces, available cooling capacity, power loads, and available power capacity. In at least one embodiment, the intelligent mounting track system can include a plurality of sensors mounted along the rack surfaces that collectively or individually uniquely identify which spaces are occupied. The information can be communicated to an electronic processor with software to interpret the data and indicate space utilization.

The present invention provides a method, system and storage medium for load dispatch optimization for residential microgrid. The method includes collecting environmental data and time data of residential microgrid in preset future time period; obtaining power load data of residential microgrid in future time period by inputting environmental data and time data into pre-trained load forecasting model; obtaining photovoltaic output power data of residential microgrid in future time period by inputting environmental data and time data into pre-trained photovoltaic output power forecasting model; determining objective function and corresponding constraint condition of residential microgrid in future time period, where optimization objective of objective function is to minimize total cost of residential microgrid; obtaining load dispatch scheme of residential microgrid in future time period by solving objective function with particle swarm algorithm. The invention can provide load dispatch scheme suitable for current microgrid and reduce operating cost of residential microgrid.

Disclosed is a solenoid type electromagnetic operating device which needs a relatively large current only for a limited short period at an excitation start initial stage and is adapted to achieve the speeding up at an excitation start stage and an improvement in responsiveness as well as power saving without increasing a power load on each of a drive circuit and power supply. The device is used for exerting a mechanical output on a valve element against a spring force, and comprises a solenoid coil composed of a plurality of split coils mutually electrically independent, an iron core structure including a fixed core, a movable core and a yoke and assembled with the solenoid coil so as to form a magnetic path loop through which magnetic fluxes from the split coils pass in common, an excitation controller for selectively switching / controlling the excitation current to each split coil, and a transmission mechanism for transmitting the mechanical output based on the displacement of the movable core magnetically attracted to the fixed core to the valve element when one or more of the split coils are excited.