87results about How to "Reduced power capacity" patented technology

Apparatus, systems, methods, and related computer program products for synchronizing distributed states amongst a plurality of entities and authenticating devices to access information and/or services provided by a remote server. Synchronization techniques include client devices and remote servers storing buckets of information. The client device sends a subscription request to the remote serve identifying a bucket of information and, when that bucket changes, the remote server sends the change to the client device. Authentication techniques include client devices including unique default credentials that, when presented to a remote server, provide limited access to the server. The client device may obtain assigned credentials that, when presented to the remote server, provide less limited access to the server.

Apparatus, systems, methods, and related computer program products for synchronizing distributed states amongst a plurality of entities and authenticating devices to access information and/or services provided by a remote server. Synchronization techniques include client devices and remote servers storing buckets of information. The client device sends a subscription request to the remote serve identifying a bucket of information and, when that bucket changes, the remote server sends the change to the client device. Authentication techniques include client devices including unique default credentials that, when presented to a remote server, provide limited access to the server. The client device may obtain assigned credentials that, when presented to the remote server, provide less limited access to the server.

A method and system for controlling the frequency of one or more high power microwave sources is provided. The inventive system is made up of a high power linear accelerator, and connected thereto, one or more high power sources of microwaves. In operation, a sample of microwave power from the linear accelerator is used to provide a locking or drive signal for the high power source(s) of microwaves.

An electroconductive roller including an electroconductive cellular material layer, comprised of a polyurethane composition, which has an average foamed cell diameter not more than 100 μm and a variation ΔD of the foamed cell diameter not more than 50 μm. The electroconductive roller has a hardness variation ΔHs not more than 8 degrees and a circumferential non-uniformity index R_MAX/R_MIN in an electric resistance thereof not more than 1.3. The electroconductive cellular material layer is made of a thermosetting one-part polyurethane composition. And the polyurethane composition is cured instantly at a temperature not less than a thermosetting critical temperature for curing thereof, after it is foamed by a mechanical foaming method.

Disclosed herein is an information processing apparatus includes: a storage section for storing AC adapter capacity identification information with which a rated power capacity of an AC adapter which can supply power to the apparatus can be identified; a first outputting section for outputting the above mentioned AC adapter capacity identification information; a setting section for setting a threshold value with which control of power consumption of the apparatus is to be started based on the outputted AC adapter capacity identification information; a detection section for detecting the power consumption; and a control section for controlling so that, when the detected power consumption exceeds the threshold value, the power consumption may become equal to or lower than the threshold value.

Methods and apparatus for operating a mobile device based upon a power capability of the mobile device are disclosed. In one embodiment, the mobile device includes a network selection component configured to select a particular transceiver for communication based upon the power capability of the mobile device and a quality of service associated with available networks. In addition, a cache management component is configured to increase, based upon an indication of the power capability of the mobile device, a size of the cache that is available for requested content so as to increase the likelihood that subsequent requests for the content will be loaded from the mobile device. Moreover, some variations of the mobile device are capable of providing an indication of a power capability of the mobile device to a remote server so the remote server may modify the requested content based upon the power capability.

The invention discloses a device for measuring the dielectric loss angle tangent value of high-voltage high-capacity electric equipment. The device comprises a voltage-applying device, a transformer and an electric reactor which are connected in series, wherein the three devices are connected in series with tested electric equipment and a standard capacitor which are connected in parallel to form a serial LC resonance circuit; the tested electric equipment is a tested product; the tested product and the standard capacitor in the serial LC resonance circuit are respectively connected in series with a current transformer; and the current transformer is connected with a testing analysis system which carries out detection, analysis and processing of the current signal collected by the current transformer. The device has simple and reasonable structure and simple use and operation, and can greatly reduce the power capacity of a high-voltage voltage-applying device used in testing; moreover, the device can carry out direct, convenient and accurate testing of the dielectric loss angle tangent value of high-voltage high-capacity electric equipment on the spot.

The invention provides an energy storage system-thermal power generating unit combined frequency modulation control method considering frequency modulation performance assessment. The method comprisesthe steps: firstly, obtaining the basic state of a combined frequency modulation unit at a certain moment in a current frequency modulation period; dividing and determining the working period of thecombined frequency modulation unit according to the index calculation rule of the frequency modulation unit participating in the frequency modulation auxiliary service; for different working periods of the combined frequency modulation unit, respectively obtaining control target active power of each working period, and obtaining target active power of the energy storage system by matching with theactive power of the thermal power generating unit; and correcting the target active power of the energy storage system by comprehensively considering the power limit and the capacity limit of the energy storage system to obtain a final active power of the energy storage system. According to the method, aiming at the control strategy of the energy storage system in the working condition that the energy storage system-thermal power generating unit jointly participate in frequency modulation auxiliary service, the action opportunity and the action depth of the energy storage system are reasonably controlled by taking the frequency modulation assessment index of the frequency modulation unit as guidance, and thus the effect of the energy storage system is effectively exerted.

In a reactor feed-water system in which water is fed to a reactor pressure vessel by at least one reactor feed-water pump, a driving power for a feed-water pump drive motor is supplied from a semiconductor power conversion circuit adopting a self-excitation switching device; a reactor water-level detection value, a main steam flow rate detection value and a rector feed-water flow rate detection value are calculated by adding or subtracting these values; and a comparison result between the result of the calculation and a reactor water-level setting signal is given, as current command value to an inverter, to the inverter of the semiconductor power conversion circuit, thereby controlling the revolution number and torque of the feed-water pump drive motor, thus controlling the reactor feed-water flow rate.

Provided is a power conversion device that reduces the power capacity that is required of a power buffer circuit. A converter (3) performs full-wave rectification with respect to a single-phase voltage (Vin) and outputs a rectified voltage (Vrec) between direct current power supply lines (LL, LH). An inverter (5) receives the rectified voltage (Vrec) and supplies three-phase alternating current (Iu, Iv, Iw) to an inductive load (6). A power buffer circuit (4) is connected between the direct current power supply lines (LL, LH). The power buffer circuit (4) comprises a discharge circuit (4a) and a charging circuit (4b). The discharge circuit (4a) comprises a capacitor (C4) and a switch (Sc) connected in series. The charging circuit (4b) is configured, for example, from a step-up chopper and comprises a switch (Sl), a reactor (L4), and a diode (D40). One part of a power pulse that is input into the converter (3) is transferred between the direct current power supply lines (LL, LH) by the power buffer circuit (4).

The invention relates to a high-power isolation resistor of a microwave power divider and a design method of the isolation resistor. A double-lead flange resistor is adopted, the inner pattern of the isolation resistor is of a structure shaped like a Chinese character 'wang' so that the area can be narrowed, stray capacitance is reduced, and meanwhile the influences on power capacity are reduced. The high-power isolation resistor is large in size and is provided with a heat dissipation metal base, the larger packaging size needs to be selected when the requirement for power capacity is higher, and therefore the influences of the stray capacitance on performance of the power divider are larger. The ANSOFT Designer software and the ANSOFT HFSS software are used for conducting collaborative simulation, the size of the inner pattern of the isolation resistor also serves as an optimization variable of three-dimensional electromagnetic field full-wave simulation and is optimized together with the size of a microwave transmission line in the power divider, and therefore the best inner pattern of the isolation resistor can be finally obtained while power capacity is not influenced, and the design of the resistor is completed.

A positive infinitely variable transmission (P-IVT) is disclosed. The P-IVT comprises a reactor and an activator. The reactor is a differential system, used to transmit power between two drive shafts. The disclosed reactor comprises three gearset comprising non-intersecting and non-parallel gears arranged so that they can be coupled together. The gear ratios and the dimensions of the three gearsets are selected such that the two drive shafts can rotate at any speed ratio. The activator controls the strength and direction of the torques applied to the two drive shafts and enables the transfer of a series of torques through all the gearsets. The strengths and directions of the torques applied on the two drive shafts are controlled through the pressure control unit and the switching valve.

A power converter includes a DC/DC converting circuit and a first energy storage element. The DC/DC converting circuit includes a first output terminal and a second output terminal. The first energy storage element includes a first terminal and a second terminal. The first output terminal of the DC/DC converting circuit is electrically connected to one terminal of an external load. The first terminal of the first energy storage element is electrically connected to the second output terminal of the DC/DC converting circuit. The second terminal of the first energy storage element is electrically connected to the other terminal of the external load. The DC/DC converting circuit is configured to provide a variable electric power. The power converter provides the power supply according to the DC/DC converting circuit and the first energy storage element, and the variable electric power is less than the power required by the external load.

A method is provided for optimizing the operating lifetime of an energy storage system including a battery pack with a plurality of battery cells. The method includes: measuring the temperature of the battery pack by means of a sensor unit; and measuring at least one further parameter representing an indication of the operating lifetime of the battery pack. Furthermore, the method includes the steps of: detecting whether the parameter reaches a predetermined threshold value indicating that the battery pack is in a condition close to an end of its expected operating lifetime; and, in the event that the threshold value is reached, initiating heating of the battery pack, thereby increasing the temperature of the battery pack to a predetermined value so as to prolong the operating lifetime of the battery pack. A system for optimizing the operating lifetime of an energy storage system is also provided.

The invention discloses a method for processing collinear signal transmission, which is provided with a frequency regulating device. The frequency regulating device comprises a box-shaped body, wherein two receiving filters and two emitting filters are arranged in the body; the receiving filters and the emitting filters are connected with each other in a mode of serial connection; a connected part at ends of the receiving filters and the emitting receivers is provided with an antenna port, while the other ends are respectively provided with two receiving passage ports and two emitting passage ports; the receiving passage ports are the receiving passage first port and the receiving passage second port respectively; the emitting passage ports are the emitting passage first port and the emitting passage second port respectively; the antenna port acquires and receives a space signal, and then transmits the space signal to the receiving passage ports after the space signal is analyzed and processed through the receiving filters; and the emitting passage ports emit an acquirable signal, and then transmit the acquirable signal to the antenna port after the acquirable signal is processed and analyzed through the emitting filters. The invention also provides the frequency regulating device for realizing the method.